Gravely Lawn Mower 4699300 7 15 User Manual
ZT  
Parts Manual  
Models  
915146 – ZT 34  
(SN 030000+)  
915148 – ZT 42  
(SN 030000+)  
915150 – ZT 50  
(SN 030000+)  
915168 – ZT 34 CARB  
(SN 030000+)  
915170 – ZT 42 CARB  
(SN 030000+)  
The use of any gasoline exceeding 10% ethanol (E10) or 10% MTBE will void the product warranty.  
L’utilisation d’une essence contenant plus de 10% d’éthanol (E10) ou de 10% de MTBE annulent la garantie.  
El uso de cualquier otro tipo de gasolina con un porcentaje superior al 10% de etanol (E10) o al 10% de  
MTBE invalidará la garantía del producto.  
E10  
04699300 7/15  
Printed in USA  
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MODELS  
TABLE OF CONTENTS  
Domestic  
DECALS  
Model 915146 (ZT 34)  
Decals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4  
Briggs & Stratton with 34” Mower  
Serial No. 030000 and up  
MAIN FRAME AND TRANSAXLES  
Model 915148 (ZT 42)  
Kawasaki with 42” Mower  
Serial No. 030000 and up  
Frame, Hood, Fenders, Casters and Tires. . . . . . . . . 6  
Seat and Seat Support. . . . . . . . . . . . . . . . . . . . . . . 10  
Transaxle, Dump Valves and Rear Wheels . . . . . . . 14  
Model 915150 (ZT 50)  
Kawasaki with 50” Mower  
Serial No. 030000 and up  
OPERATOR CONTROLS  
Parking Brake. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16  
Steering Controls . . . . . . . . . . . . . . . . . . . . . . . . . . . 18  
Model 915168 (ZT 34 CARB)  
Briggs & Stratton with 34” Mower  
Serial No. 030000 and up  
FUEL TANKS AND ENGINE  
Engine, Exhaust, Belts and Idlers . . . . . . . . . . . . . . 20  
Fuel Tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22  
Model 915170 (ZT 42 CARB)  
Kawasaki with 42” Mower  
Serial No. 030000 and up  
ELECTRICAL SYSTEM  
Continuity Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . 23  
Electrical System . . . . . . . . . . . . . . . . . . . . . . . . . . . 24  
Wiring Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26  
MOWER DECKS  
Mower Deck Lift . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28  
Mower Deck, Belt and Idlers . . . . . . . . . . . . . . . . . . 30  
Belt Covers and Blades . . . . . . . . . . . . . . . . . . . . . . 34  
© Copyright 2015 Ariens Company  
3
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DECALS – SAFETY  
Model 915146, 148, 150, 168, 170  
7
12  
07800401  
10  
9
11  
6
MAX. FILL  
Max. Remplir  
Máx. llene  
4
07800029  
2
080000604  
8
077541  
1
5
3
3
13  
07800410  
07800339  
Item Part No.  
Qty. Description  
1
2
3
4
5
6
7
8
9
03271900  
2
1
2
1
1
1
1
2
1
1
1
1
1
1
Decal, Transmission Disconnect  
07757600  
07800410  
07800334  
07800403  
07757500  
07800401  
07754100  
07800029  
Decal, Instructional Steering  
Decal, Safety – Mower Deck  
Decal, Cut Height  
Decal, Safety – Main  
Decal, Parking Brake Lever  
Decal, Safety – Guarding  
Decal, Hot Surface  
Decal, Fuel Warning  
Decal, Throttle Control (915146, 168)  
Decal, Throttle/Choke Combo (915148, 150, 170)  
Decal, Fuel Level  
Decal, Trailer Hitch (915148, 150, 170)  
Decal, Safety – Deck Guarding  
10 05301400  
04413500  
11 08000604  
12 05305000  
13 07800402  
4
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DECALS – STYLE  
Model 915146, 148, 150, 168, 170  
2
1
Item Part No.  
Qty. Description  
1
07800101  
07800210  
07800211  
08000507  
1
1
1
1
Decal, ZT 34 (915146, 168)  
Decal, ZT 42 (915148, 170)  
Decal, ZT 50 (915150)  
2
Decal, Gravely Heritage, Small  
5
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FRAME, HOOD, FENDERS, CASTERS AND TIRES  
Model 915168, 170  
35  
25  
To engine purge port  
26  
27  
39  
35  
28  
29  
36  
To purge port  
on item 39  
40  
36  
30  
36  
46  
38  
To fuel  
tank neck  
36  
4
31  
To tank port  
on item 39  
5
36  
36  
4
49  
3
12  
20  
19  
16  
47  
51  
50  
33  
44  
48  
21  
11  
53  
19  
52  
43  
45  
22  
32  
16  
18  
41  
23  
16  
34  
2
13  
15  
19  
8
20  
23  
17  
17  
42  
4
1
5
48  
8
18  
24  
4
6
19  
4
19  
19  
54  
14  
49  
10  
37  
9
13  
7
6
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FRAME, HOOD, FENDERS, CASTERS AND TIRES  
Model 915168, 170  
Item Part No.  
Qty. Description  
1
2
3
4
5
6
7
8
9
51525900  
03768600  
03768700  
07500125  
04717553  
03368553  
07100124  
05500934  
00278500  
1
1
1
6
2
2
2
4
2
2
1
1
4
2
2
6
4
2
8
4
2
4
4
1
1
1
1
1
1
7"  
Weldment, Frame  
Fender, Right Hand  
Fender, Left Hand  
Rivet, Nylon  
Plate, Fender  
Fork, Caster  
Wheel/Tire Assembly, 11 x 4-5  
Bushing, Flange 1.00 x 1.25 x 1.50 x 1.50  
Spacer, Wheel  
10 05964400  
11 04717353  
12 04717253  
13 06543600  
14 05962200  
15 06436400  
16 06542000  
17 00363100  
18 08553700  
19 06545400  
20 06219900  
21 06443300  
22 06500012  
23 07412000  
24 03833800  
25 04400000  
26 04082700  
27 04068910  
28 07500206  
29 04382700  
30 03278100  
31 03278100  
32 04082500  
33 04086551  
34 04102900  
35 04097700  
36 03278800  
37 04717053  
38 04097000  
39 03375900  
03375900  
Bolt, Hex .50-13 x 6.50  
Weldment, Fender Mount Right Hand  
Weldment, Fender Mount Left Hand  
Nut, Locking Top Flange .50-13  
Bolt, Hex .50-13 x 5.00  
Washer, Flat Steel .511 x 1.441 x .125  
Nut, Locking Top Flange .38-16  
Spacer, Caster  
Bushing, Sleeve .391 x .688 x .52  
Nut, .31-18 Nyloc Flange  
Bolt, Round Head Square Neck .25-20 x .75  
Washer, Flat Nylon .52 x 1.00 x .08  
Nut, .25-20 Nyloc Flange  
Screw, Tapping .25-20 x .50 Hex Washer Head Thread  
Grip, Adhesive (1" x 16" BLK)  
Tank, ZT/Waw Fuel Exp.  
Grommet, Remote Vent Nitrile  
Vent, Roll-Over (.25" ID Hose)  
Bushing, Flange .375 x 1.062 x .625 R  
Fitting, Straight Fuel  
Hose, .25 Low-Perm Bulk Gas  
10" Hose, .25 Low-Perm Bulk Gas  
1
1
2
2
6
1
1
7"  
11"  
Carbon Canister, 300CC  
Bracket, Mount, Canister BBZ  
Plastic Tie Strap Large  
Clamp, Hose Spring .188  
Clamp, Hose Wire .490/.510 x .116  
Foot Rest  
Fitting, 3/16 x 1/4 90 Deg Vac  
Hose, .188 Low Perm Bulk (915168)  
Hose, .188 Low Perm Bulk (915170)  
40 03278100  
03278100  
27" Hose, .25 Low Perm Bulk Gas (915168)  
30.5" Hose, .25 Low Perm Bulk Gas (915170)  
41 04196270  
42 06215700  
43 03853851  
44 05959400  
45 06223900  
46 51526600  
47 04716951  
48 06220600  
49 06500710  
50 07533600  
51 06530400  
52 05501127  
53 06528700  
54 04717151  
1
2
1
2
2
1
2
6
6
2
2
2
2
1
Cupholder  
Bolt, Round Head Square Neck .31-18 x .75  
Plate, BBZ Hitch Kit Plate (915170)  
Bolt, Hex .38-16 x .75 (915170)  
Bolt, Round Head Square Neck .31-16 x .75 (915170)  
Assembly, Engine Wrap  
Bracket, Engine Wrap Foot  
Bolt, Round Head Square Neck .25-20 x .50  
Nut, Center Lock Flange .25-20  
Bumper, Rubber  
Nut, Serrated Flange .31-18  
Bushing, Flange .325 x .499 x .3 x .875  
Nut, Center Lock Flange .31-18  
Plate, Back Foot Rest  
7
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FRAME, HOOD, FENDERS, CASTERS AND TIRES  
Model 915146, 148, 150  
40  
25  
26  
27  
30  
31  
43  
45  
To fuel tank neck  
20  
41  
35  
31  
3
4
23  
42  
44  
47  
29  
28  
16  
46  
36  
5
20  
To engine  
purge port  
4
11  
38  
19  
21  
37  
39  
22  
23  
32  
18  
16  
16  
2
12  
13  
23  
15  
8
22  
17  
17  
19  
33  
4
42  
1
5
8
24  
18  
4
6
43  
4
23  
48  
14  
10  
43  
34  
9
13  
7
8
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FRAME, HOOD, FENDERS, CASTERS AND TIRES  
Model 915146, 148, 150  
Item Part No.  
Qty. Description  
1
2
3
4
5
6
7
8
9
51525900  
03768600  
03768700  
07500125  
04717553  
03368553  
07100124  
05500934  
00278500  
1
1
1
6
2
2
2
4
2
2
1
1
4
2
2
6
4
2
4
2
4
4
8
1
1
1
1
1
1
1
1
2
1
2
1
Weldment, Frame  
Fender, Right Hand  
Fender, Left Hand  
Rivet, Nylon  
Plate, Fender  
Fork, Caster  
Wheel/Tire Assembly, 11 x 4-5  
Bushing, Flange 1.00 x 1.25 x 1.50 x 1.50  
Spacer, Wheel  
10 05964400  
11 04717353  
12 04717253  
13 06543600  
14 05962200  
15 06436400  
16 06542000  
17 00363100  
18 08553700  
19 06219900  
20 06443300  
21 06500012  
22 07412000  
23 06545400  
24 03833800  
25 04400000  
26 04082700  
27 07500206  
28 03278100  
29 04382500  
04382600  
Bolt, Hex .50-13 x 6.50  
Weldment, Left Hand Fender Mount  
Weldment, Right Hand Fender Mount  
Nut, Locking Top Flange .50-13  
Bolt, Hex .50-13 x 5.00  
Washer, Flat Steel .511 x 1.441 x .125  
Nut, Locking Top Flange .38-16  
Spacer, Caster  
Bushing, Sleeve .391 x .688 x .52  
Bolt, Round Head Square Neck .25-20 x .75  
Washer, Flat Nylon .52 x 1.00 x .08  
Nut, Locking Top Flange .25-20  
Screw, Tapping .25-20 x .50 Hex Washer Head Thread  
Nut, Locking Nylon Flange .31-18  
Grip, Adhesive (1" x 16" BLK)  
Tank, ZT/Waw Fuel Expansion  
Grommet, Remote Vent Nitrile  
Bushing, Flange .375 x 1.062 x .625  
Hose, .25 Low-Perm Bulk Gas (7 inches)  
Assembly, Fuel Vent – Kohler, Briggs and Stratton (915146)  
Assembly, Fuel Vent – Kawasaki (915148, 150)  
Fitting, Straight Fuel  
30 04382700  
31 03278800  
32 04192700  
33 06215700  
34 04717053  
Clamp, Hose Wire .490/.510 x .116  
Cupholder, Snap-In, 3.75 OD  
Bolt, Round Head Square Neck .31-18 x .75  
Foot Rest  
35 03375900 NA Hose, .188 Low-PERM Bulk Gas (as required)  
36 04097700  
37 03853851  
38 05959400  
39 06223900  
40 51526600  
41 04716951  
42 06220600  
43 06500710  
44 07533600  
45 06530400  
46 05501127  
47 06528700  
48 04717151  
2
1
2
2
1
2
6
6
2
2
2
2
1
Clamp-Hose, Spring .188  
Plate, BBZ Hitch Kit Plate (915148, 150)  
Bolt, Hex .38-16 x .75 (915148, 150)  
Bolt, Round Head Square Neck .31-16 x .75 (915148, 150)  
Assembly, Engine Wrap  
Bracket, Engine Wrap Foot  
Bolt, Round Head Square Neck .25-20 x .50  
Nut, Center Lock Flange .25-20  
Bumper, Rubber  
Nut, Serrated Flange .31-18  
Bushing, Flange .325 x .499 x .3 x .875  
Nut, Center Lock Flange .31-18  
Plate, Back Foot Rest  
9
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SEAT AND SEAT SUPPORT  
Model 915146, 168  
1
2
3
5
6
3
4
7
4
11  
10  
8
9
12  
16  
13  
15  
14  
10  
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SEAT AND SEAT SUPPORT  
Model 915146, 168  
Item Part No.  
Qty. Description  
1
2
3
4
5
6
7
8
9
03795800  
03782051  
05900033  
07412000  
03753351  
06542000  
00337700  
08300021  
06212100  
1
1
4
2
1
2
2
2
2
2
2
2
2
2
2
2
Seat, 13 in Grey  
Seat Plate  
Bolt, Hex 5/16-18 x 3/4  
Screw, Tapping .25-20 x .50 Hex Washer Head Thread  
Guard, Fan  
Nut, .38-16 Locking Top Flange  
Hub Cap  
Spring, Seat  
Bolt, Round Head Square Neck .31-18 x 1.50  
Washer, Flat Steel .328 x .87 x .179  
Nut, Coupling 5/16-18 x 1.75  
Nut, 5/16-18 Flange Nyloc  
Bolt, Shoulder .375-16 x .135  
Bushing, Flange .325 x .499 x .26 x .88  
Bolt, Hex .31-18 x 1.00  
10 06439100  
11 06500015  
12 06545400  
13 07056700  
14 01305900  
15 05946900  
16 03798751  
Bracket, Seat Stop  
11  
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SEAT AND SEAT SUPPORT  
Model 915148, 150, 170  
11  
2
3
1
5
10  
4
6
7
9
14  
8
13  
12  
15  
19  
18  
16  
17  
20  
24  
21  
23  
22  
12  
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SEAT AND SEAT SUPPORT  
Model 915148, 150, 170  
Item Part No.  
Qty. Description  
Plate, Adjustable Seat  
Plate, Adjustable Seat Track  
1
2
3
4
5
6
7
8
9
04376251  
04376951  
04377051  
04377167  
06439200  
05514800  
05901508  
06514900  
08321100  
1
1
1
1
4
4
4
1
1
1
1
2
1
2
2
2
2
2
2
2
2
2
2
2
Plate Adjustable Seat Slide  
Weldment, Adjustable Seat Latch  
Washer, Flat Steel .505 x 1.00 x .062  
Bushing, Flange .32 x .500 x .344 x .880  
Screw, Socket Head, Button Head .31-18 x 1.00  
Push Nut 5/16  
Weldment, Spring Tension .043 x .44 x 3.31, 5.8  
Grip, Seat Lever, Grey  
Seat, Milsco XB180 Grey  
Screw, Tapping .25-20 x .50 Hex Washer Head Thread  
Guard, Fan  
Nut, .38-16 Locking Top Flange  
Hub Cap  
10 04396600  
11 04278000  
12 07412000  
13 03753351  
14 06542000  
15 00337700  
16 08300021  
17 06212100  
18 06439100  
19 06500015  
20 06545400  
21 07056700  
22 01305900  
23 05946900  
24 03798751  
Spring, Seat  
Bolt, Round Head Square Neck .31-18 x 1.50  
Washer, Flat Steel .328 x .87 x .179  
Nut, Coupling 5/16-18 x 1.75  
Nut, 5/16-18 Flange Nyloc  
Bolt, Shoulder .375-16 x .135  
Bushing, Flange .325 x .499 x .26 x .88  
Bolt, Hex .31-18 x 1.00  
Bracket, Seat Stop  
13  
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TRANSAXLE, DUMP VALVES AND REAR WHEELS  
Model 915146, 148, 150, 168, 170  
3
10  
12  
10  
3
1
10  
7
6
4
11  
15  
2
8
4
6
11  
5
9
13  
14  
14  
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TRANSAXLE, DUMP VALVES AND REAR WHEELS  
Model 915146, 148, 150, 168, 170  
Item Part No.  
Qty. Description  
1
03872300  
04382300  
03872400  
04382400  
05963700  
06545400  
03762700  
03762800  
07100809  
07100928  
07100929  
06444000  
06400006  
1
1
1
1
4
8
1
1
2
2
2
4
2
8
2
4
2
2
2
Transaxle, Left Hand EZT D-Shaft (915146, 168)  
Transaxle, Left Hand EZT D-Shaft Long (915148, 150, 170)  
Transaxle, Right Hand EZT D-Shaft (915146, 168)  
Transaxle, Right Hand EZT D-Shaft Long (915148, 150, 170)  
Bolt, Hex .31-18 x 2.25  
Nut 5/16-18 Flange Nyloc  
Dump Valve, Right Hand  
Dump Valve, Left Hand  
Tire Assembly 18 x 6.5-8 2 Ply DSHAFT (915146, 168)  
Tire/Wheel Assembly, 18 x 8.5-8 Center (915148, 170)  
Tire/Wheel Assembly, 18 x 9.50-8 Offset (915150)  
Washer, Flat Steel .406 x 1.00 x .188  
Washer, Flat Steel .406 x 1.50 x .245  
Washer, Flat Steel .38 x .875 x .083  
Pin, Hair, Internal .06 x .18 x .77  
2
3
4
5
6
7
8
9
10 06435700  
11 06701900  
12 05960600  
13 06308800  
14 05900013  
15 03762067  
Bolt, Hex .31-18 x 2.75  
Washer, Locking .38 x .094 Regular  
Bolt, Hex .38-16 x 1.00 YWZC EP30  
Shaft, Transaxle Brace  
15  
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PARKING BRAKE  
Model 915146, 148, 150, 168, 170  
7
11  
17  
3
16  
7
25  
9
4
23  
16  
28  
2
19  
27  
10  
8
9
22  
14  
15  
30  
1
7
5
7
4
6
24  
13  
26  
29  
18  
6
20  
6
12  
9
21  
16  
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PARKING BRAKE  
Model 915146, 148, 150, 168, 170  
Item Part No.  
Qty. Description  
Link, Brake Handle  
Handle, Parking Brake  
1
2
3
4
5
6
7
8
9
03759400  
03759167  
03823300  
05946900  
05514800  
06437200  
06545400  
03769400  
06713500  
1
1
1
3
1
6
6
1
5
1
1
2
2
1
1
4
1
1
1
2
2
1
1
2
1
2
1
2
2
1
Link, Neutral Left Hand  
Bolt, Hex .31-18 x 1.00  
Bushing, Flange .312 x .500 x .344 x .880  
Washer, Flat Steel .344 x .688 x .065  
Nut, Flange Nyloc 5/16-18  
Spacer, Brake Handle  
Pin, Hair Internal .08 x .18 x 1.18  
Weldment, Detent Arm  
Bolt, Hex .31-18 x 1.25  
Washer, Flat Steel .38 x .875 x .083  
Trunnion, 1/4-20  
Washer, Flat Steel .344 x 1.125 x .135  
Roller  
Screw, Tapping .25-20 x .50 Hex Washer Head  
Latch, Left Hand Neutral  
Latch, Right Hand Neutral  
Spring, Tension .072 x .565 x 1.87  
Spring, Compression  
Link, Brake Cog  
Grip, Parking Brake  
Link, Neutral Right Hand  
Washer, Flat Steel .347 x 1.254 x .048  
Weldment, Brake Shaft  
Bushing, Flange .325 x .499 x .26 x .88  
Washer, Flat Steel .52 x .827 x .062  
Bushing, .50 Clamp Block Molded  
Ring, Retaining, External .250 x .025  
Washer, Steel .385 x .745 x .030  
10 03759200  
11 05947500  
12 06435700  
13 03764800  
14 06446300  
15 03764900  
16 07400034  
17 03759067  
18 03758967  
19 08326700  
20 08300028  
21 03759667  
22 03826900  
23 03759500  
24 06446900  
25 03761167  
26 01305900  
27 06441100  
28 03757501  
29 05700125  
30 06400840  
17  
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STEERING CONTROLS  
Model 915146, 148, 150, 168, 170  
5
33  
2
7
17  
16  
18  
6
4
36  
39  
15  
30  
21  
38  
7
15  
19  
37  
6
13  
6
27  
29  
25  
12  
2
32  
8
20  
6
11  
10  
5
9
3
10  
21  
34  
22  
35  
6
23  
24  
38  
1
18  
39  
16  
15  
6
17  
15  
23  
20  
6
8
33  
12  
19  
31  
21  
29  
6
34  
13  
10  
32  
25  
13  
20  
6
10  
35  
9
4
5
6
3
24  
21  
20  
22  
26  
30  
6
28  
14  
27  
23  
To Transaxle.  
18  
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STEERING CONTROLS  
Model 915146, 148, 150, 168, 170  
Item Part No.  
Qty. Description  
1
2
3
4
5
6
7
8
9
04193051  
04257400  
05710200  
03943800  
03652200  
06545400  
04197651  
07400034  
06400005  
1
2
2
2
4
Weldment, Steering Handle Right Hand  
Grip, Handlebar 15" Foam  
Ring, Retaining External .438 x 1.00 x 0.83  
Damper  
Stud, Ball  
12 Nut, .31-18 Flange  
2
6
2
4
1
2
4
1
4
2
2
2
2
4
4
2
4
2
2
4
2
2
2
2
1
2
4
4
4
1
1
4
4
Weldment, Steering Shaft  
Screw, Tapping .25-20 x .50 Hex Washer Head  
Washer, Wave  
Bushing, Flanged  
Weldment, Lower Control Arm  
Bushing, Eccentric  
Nut, .38-16 Nyloc Flange  
Weldment, Lower Control Right Hand  
Bushing, Flanged  
Spacer, .375 x .625 x .970  
Weldment, Upper Control Arm  
Cap Plug, Square  
Bolt, Hex .31-18 x 1.75  
Bolt, Hex .375-16 x 1.75  
Alignaball, 5/16 RH Thread  
Bolt, Hex .31-18 x 1.00  
Nut, Hex Jam .375-16  
Bracket, Speed Adjustment/Seat Pivot  
Bolt, Round Head Square Neck .31-18 x .75  
Nut, Jam, .31-24  
Wireform, Steering Link  
Bolt, Hex .38-16 x .75  
Spacer, .328 x .500 x .625  
Bolt, Hex .31-18 x 2.00  
Plate, Dampener Right Hand  
Bushing, Flanged  
Bolt, Serrated Hex Flange Washer Head .375-16 x 1.25  
Bolt, Round Head Square Neck .25-20 x .75  
Nut, Locking Nylon Flange .25-20  
Weldment, Steering Handle Left Hand  
Plate, Damper Left Hand  
10 05511000  
11 04192851  
12 05500932  
13 06545500  
14 04199451  
15 05501017  
16 04193500  
17 04192951  
18 07500131  
19 05957400  
20 05974000  
21 03787100  
22 05946900  
23 06535900  
24 03956251  
25 06220800  
26 06536700  
27 04197300  
28 05959400  
29 04208000  
30 05957200  
31 03759351  
32 04147200  
33 07050000  
34 06219900  
35 06500012  
36 04199551  
37 03766051  
38 06537200  
39 06436200  
Nut, Locking Center Jam .375-16  
Washer, Flat Steel .406 x .812 x .065  
19  
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ENGINE, EXHAUST, BELTS AND IDLERS  
Model 915146, 148, 150, 168, 170  
36  
35  
39  
9
38  
37  
7
37  
1
1
35  
36  
3
9
16  
7
8
6
32  
29  
Rear of Unit  
34  
33  
5
2
19  
23  
20  
19  
22  
2
15  
13  
17  
24  
31  
21  
26  
18  
30  
29  
28  
27  
25  
19  
14  
10  
11  
12  
20  
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ENGINE, EXHAUST, BELTS AND IDLERS  
Model 915146, 148, 150, 168, 170  
Item Part No.  
Qty. Description  
1
08200638  
08200631  
08200717  
07414700  
05901507  
06537200  
00619600  
06900520  
06900521  
07415800  
03943600  
00390100  
03946900  
04058800  
1
1
1
4
4
1
1
1
1
2
1
4
1
1
1
1
1
1
1
1
1
1
2
3
1
1
1
1
1
1
1
1
1
2
2
1
1
1
1
4
2
4
2
1
1
2
Engine, 16.5 HP Briggs and Stratton Intek without Muffler (915146, 168)  
Engine, Kawasaki FR651 21.5HP (915148, 170)  
Engine, Kawasaki FR691 23HP (915150)  
Screw, Tapping .38-16 x 1.25 Hex Washer Head(915146, 168)  
Bolt, Hex .38-16 x 1.25 (915148, 150, 170)  
Nut, Locking Jam .375-16 (915146, 168)  
Throttle/Choke Cable (915168)  
Cable, Choke/Throttle Combo (915148, 150, 170)  
Cable, Throttle (915146)  
Screw, Tapping 10-24 x .50 Hex Washer Head  
2
3
4
5
6
7
8
9
Oil Drain  
Wire Clip (for .25" hole) (148, 150, 170)  
Muffler, Twin (915148, 150, 170)  
Muffler, B&S 208 BBZ (915146, 168)  
Washer, Flat Steel .469 x 2.00 x .25  
Washer, Locking .44 x .109 Regular  
Bolt, Hex .44-20 x 4.50 Grade 8  
10 06443600  
11 06309300  
12 05966700  
13 07338600  
14 03972700  
15 06603400  
16 06225400  
17 06442000  
18 06442400  
19 06545500  
20 07300221  
21 05961400  
22 08553700  
23 08300512  
24 03961100  
25 03961067  
26 03960700  
27 05901418  
28 03980200  
29 06530400  
30 06543100  
31 03956751  
32 05960600  
33 06545400  
34 07200010  
35 06308600  
06308600  
Weldment, Crankshaft Extension  
Clutch, 105 FT*LB MONO Pole  
Key, Square .25 x 1.25 x .25 SAE 8630 or SAE 1035  
Bolt, Round Head Square Neck .38-16 x 2.75  
Washer, Flat Steel .563 x 1.38 x .109  
Washer, Flat Steel .406 x 1.375 x .135  
Nut, Locking Nylon Flange .38-16  
Pulley, Engine Clutch  
Bolt, Hex .38-16 x 2.75  
Bushing, Sleeve .391 x .688 x .52  
Spring, Extension  
Spacer, Ground Drive Idler  
Idler Arm, Ground Drive  
Bushing, Idler Arm  
Screw, Cap .31-18 x 1.75  
Spacer, Rubber 5/16 ID x 1.0  
Nut, Spin Lock Flange .312-18  
Nut, Locking Top Flange .31-18  
Bracket, Clutch Stop  
Bolt, Hex .31-18 x 2.75  
Nut, Locking Nylon Flange .31-18  
V-Belt, HA-RAW Edge Laminated  
Washer, Locking .31 x .078 Regular (915148, 150, 170 )  
Washer, Locking .31 x .078 Regular (915146, 168)  
Capscrew .31-18 x .75 S/HD (915148, 150, 170)  
Capscrew .31-18 x .75 S/HD (915146, 168)  
Guard, Briggs Engine (915146, 168)  
Screw, 8-16 x .87 (915146, 168)  
36 05933100  
05933100  
37 03276500  
38 06100206  
39 07400034  
Screw, Tapping .25-20 x .50 Hex Washer Head (915146, 168)  
21  
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FUEL TANK  
Model 915146, 148, 150, 168, 170  
To engine fuel filter  
5
2
2
6
9
10  
4
13  
8
3
12  
1
11  
7
Item Part No.  
Qty. Description  
1
2
3
4
5
6
7
8
9
04191900  
03278800  
07500206  
03771451  
1
2
2
1
Tank, Fuel with Vent Port  
Clamp, Fuel Line  
Bushing  
Bracket, Tank Strap  
03278100 NA Hose, .25 Low Perm Gas (as required)  
04333600  
06219900  
03795700  
06500012  
1
1
1
1
1
1
1
1
Assembly, Fuel Pickup  
Bolt, Round Head Square Neck .25-20 x .75  
Seal, Tank Neck  
Nut, .25-20 Nyloc Flange  
Screw, Tapping .25-20 x .50 Hex Washer Head  
Wire Clip  
10 07400034  
11 00390100  
12 04382800  
13 04238500  
Fitting, 90 Degree Fuel Plastic  
Fuel Cap, 225 CARB with 12" THTR  
22  
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CONTINUITY DIAGRAM  
Model 915146, 148, 150, 168, 170  
(03290500)  
(04399600)  
Seat Switch  
(03654200)  
1
2
1
2
OPERATOR  
OFF SEAT  
OPERATOR  
ON SEAT  
Solenoid  
(00696900)  
PE0771  
23  
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ELECTRICAL SYSTEM  
Model 915146, 148, 150, 168, 170  
13  
15  
To Frame  
25  
2
22  
1
14  
To Frame  
24  
4
16  
29  
3
23  
30  
To Engine  
Ground  
19  
To Engine  
Harness  
8
9
30  
6
17  
28  
10  
25  
26  
19  
19  
18  
12  
11  
To Engine  
Ground  
7
5
10  
To Engine  
Starter  
20  
11  
21  
To Frame  
PE0200_A_G_Electrical  
24  
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ELECTRICAL SYSTEM  
Model 915146, 148, 150, 168, 170  
Item Part No.  
Qty. Description  
1
2
3
4
5
6
7
8
9
03927000  
03042800  
09351100  
03290500  
00696900  
04382200  
05946800  
06437300  
06509200  
1
1
1
1
1
1
2
2
2
3
2
1
1
1
1
1
1
4
2
2
1
2
1
1
1
1
1
1
1
1
Key  
Relay  
Fuse, 30 AMP  
Key Switch with Key  
Solenoid  
Battery, 12V 20 Hour (Can be replaced with U1 190 or larger)  
Bolt, Hex .25-20 x .75  
Washer, Flat Steel .281 x .62 x .065  
Nut, KEPS .250-20  
Boot, Eyelet Terminal  
Cable, POS  
Ground Cable  
Switch, Clutch With Retainer  
Harness, Wiring ZT  
Switch, Double Pole N.O. / N.O.  
Switch, Snap Mounting (N.O.)  
Insulator  
Washer, Locking .31  
Nut, Jam .31-24  
Screw, Tapping .250-20 x .37 Hex Washer Head  
Nut, Locking Top Flange .25-20  
Screw, 12-14 x .75 HX  
10 07533200  
11 04249800  
12 04249900  
13 04399600  
14 03773900  
15 03606600  
16 03654200  
17 07505700  
18 06310500  
19 06536700  
20 07411600  
21 06543500  
22 07400038  
23 04385351  
24 03972600  
25 07411900  
26 06537200  
27 00390100  
28 06200211  
29 06500012  
30 07800336  
Hold Down, Battery  
Harness, Clutch  
Screw, Tapping 12-24 x .50 Hex Washer Head  
Nut, Locking Center Jam .375-16 (915146, 168)  
Wire Clip (915148, 150, 170)  
Bold, Round Head Square Neck .25-20 x 4.50  
Nut, Locking Nylon Flange .25-20  
Decal, U1 Battery Replacement  
25  
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WIRING DIAGRAM  
Model 915146, 148, 150, 168, 170  
B
A
CLUTCH  
Parking  
Brake  
Switch  
26  
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NOTES  
27  
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MOWER DECK LIFT  
Model 915146, 148, 150, 168, 170  
29  
30  
28  
16  
22  
11  
19  
23  
7
19  
31  
8
24  
9
21  
5
19  
26  
9
17  
2
12  
27  
24  
19  
25  
24  
16  
22  
11  
18  
13  
14  
20  
4
7
16  
12  
6
27  
1
27  
9
18  
17  
15  
26  
10  
23  
24  
18  
8
3
26  
27  
19  
8
28  
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MOWER DECK LIFT  
Model 915146, 148, 150, 168, 170  
Item Part No.  
Qty. Description  
Weldment, Footpedal  
Weldment, Rear Deck Lift  
1
2
3
4
5
6
7
8
9
04434567  
04434467  
04377367  
04377951  
04391567  
04723751  
04377867  
04377767  
05519100  
1
1
1
1
1
1
4
4
4
1
4
2
2
2
1
7
2
3
5
1
1
4
2
4
1
4
4
2
2
2
2
Weldment, Lift/HOC Link  
Plate, Height Adjustment  
Weldment, Height of Cut  
Guard, Deck HOC  
Trunion, Deck Adjuster  
Wireform, Deck Adjustment  
Bushing, Flange .629 x .879 x .469 x 1.25  
Stop  
Bushing, Sleeve .391 x .688 x .52  
Pin, Bow Tie Locking Cotter .091 x 1.875  
Screw, Tapping, Hex Washer Head Rolling 10-24 x .50  
Bolt, Hex .38-16 x 1.00  
10 07525100  
11 08553700  
12 06700201  
13 07415800  
14 05948700  
15 05962900  
16 06545500  
17 06442800  
18 06435700  
19 06436200  
20 08335700  
21 07533500  
22 06529400  
23 06443400  
24 06542000  
25 07800334  
26 06700206  
27 06443300  
28 04434667  
29 05967100  
30 05501112  
31 06500012  
Bolt, Hex .38-16 x 2.25  
Nut, Locking Nylon Flange .38-16  
Washer, Flat Steel .656 x 1.31 x .095  
Washer, Flat Steel .38 x .875 x .083  
Washer, Flat Steel .438 x 1.00 x .083  
Spring, Compression .125 x .781 x 1.25  
Knob, Ball – Black 1.47" .375-16  
Nut, Hex .38-16  
Washer, Flat Steel .380 x 1.50 x .125  
Nut, Locking Top Flange .38-16  
Decal, Height of Cut  
Pin, Bowtie Locking  
Washer, Flat Nylon .518 x 1.00 x .08  
Weldment, Deck Lift Arm  
Bolt, Hex .25-20 x 2.00  
Bushing, Sleeve .265 x .500 x .500  
Nut, Locking Nylon Flange .25-20  
29  
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MOWER DECK, BELT AND IDLERS  
Model 915146, 168  
6
31  
21  
26  
27  
5
6
3
4
26  
21  
20  
23  
28  
6
25  
34  
23  
23  
6
35  
24  
15  
14  
13  
2
12  
1
11  
18  
8
9
21  
21  
19  
7
10  
22  
21  
12  
16  
29  
30  
32  
17  
19  
33  
30  
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MOWER DECK, BELT AND IDLERS  
Model 915146, 168  
Item Part No.  
Qty. Description  
1
2
3
4
5
6
7
8
9
51525700  
61559900  
04430867  
07300039  
03828853  
06542000  
03994300  
00662653  
01258100  
1
2
1
2
1
5
1
1
1
1
1
2
1
1
1
2
2
2
2
1
5
1
3
1
1
2
1
1
1
1
Kit, Gravely 34” Deck wtih Decals  
Assembly, Spindle  
Weldment, Idler Arm  
Assembly, Idler 4"  
Wireform, Belt Finger  
Nut, Locking Top Flange .38-16  
Chute, Side Discharge  
Chute Reinforcement  
Spring, Torsion  
Pin, 5/16 x 3.88"  
Pin, Hair Internal .08 x .18 x 1.18  
Washer, Flat Steel .406 x 1.50 x .245  
Nut, Coupling .375-16 x 1.75  
Nut, Spin Lock, Flange .375-16  
Bolt, Hex .38-16 x 1.75  
Washer, Flat Steel .38 x .875 x .083  
Screw, Socket Head .31-18 x .75 Button Head  
Nut, Locking Top Flange .31-18  
Plate, REINF, Spindle  
Washer, Flat Steel .469 x 2.00 x .25  
Washer, Flat Steel .380 x 1.50 x .125  
Bolt, Hex .38-16 x 3.00  
Washer, Flat Steel .406 x 1.00 x .188  
Washer, Flat Steel .438 x 1.00 x .083  
Belt Finger  
10 06800002  
11 06713500  
12 06400006  
13 06533500  
14 06534900  
15 05958500  
16 06435700  
17 05920900  
18 06543100  
19 03839053  
20 06443600  
21 06443400  
22 05957800  
23 06444000  
24 06435900  
25 03974153  
26 05500907  
27 03763400  
28 05962900  
29 06308800  
30 05948700  
Bushing, Flange, .625 x .750 x .500 x 1.00  
Spacer, .375ID x .625D x 1.66 Promaster  
Bolt, Hex .38-16 x 2.25  
Washer, Locking .38 x .094 Regular  
Bolt, Hex .38-16 x 1.00  
31064362001Washer, Flat Steel .406 x .812 x .065  
32 05961400  
33 07415400  
34 08320300  
35 07200116  
1
8
1
1
Bolt, Hex .38-16 x 2.75  
Screw, Tapping .38-16 x .75 Hex Washer Head Thread Rolling  
Spring, Tension .135 x .98 x 6.0  
V-Belt, HA-Wrapped Clutching  
31  
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MOWER DECK, BELT AND IDLERS  
Model 915148, 150, 170  
915148, 170  
10  
10  
9
17  
10  
10  
15  
5
7
11  
2
27  
6
13  
12  
9
5
9
11  
10  
915150  
17  
1
19  
7
18  
10  
27  
9
10  
10  
9
7
16  
24  
11  
13  
10  
5
28  
25  
10  
12  
5
15  
10  
2
6
11  
23  
9
9
7
9
5
1
18  
3
16  
19  
7
6
7
24  
7
28  
4
23  
14  
8
20  
25  
26  
3
20  
14  
7
6
7
20  
8
4
22  
32  
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MOWER DECK, BELT AND IDLERS  
Model 915148, 150, 170  
Item Part No.  
Qty. Description  
1
51523800  
51523900  
51520900  
51519500  
03839053  
1
1
3
3
3
Kit, Gravely 42” Deck with Decals (915148, 170)  
Kit, Gravely 50” Deck with Decals (915150)  
Assembly, Spindle (915148, 170)  
Assembly, Spindle (915150)  
2
3
4
5
6
7
Plate, Spindle  
07415400 12 Screw, Tapping .38-16 x .75 Hex Washer Head  
07300039  
06400006  
06443400  
06443400  
05962900  
06444000  
3
2
5
4
1
4
5
2
1
1
1
1
1
1
1
1
1
1
1
1
1
2
1
1
1
1
Assembly, Idler 4"  
Washer, Flat Steel .406 x 1.50 x .245  
Washer, Flat Steel .380 x 1.50 x .125 (915148, 170)  
Washer, Flat Steel .380 x 1.50 x .125 (915150)  
Bolt, Hex .38-16 x 2.25  
Washer, Flat Steel .406 x 1.00 x .188  
Nut, Locking Top Flange .38-16  
Bushing, Flange, .625 x .750 x .500 x 1.00  
Idler Arm  
Spacer, .375ID x .625 OD x 1.66  
Bolt, Hex .38-16 x 3.00  
Belt Finger  
Bolt, Hex .38-16 x 2.25  
Wireform Belt Finger  
8
9
10 06542000  
11 05500907  
12 04430867  
13 03763400  
14 05957800  
15 03974153  
16 05962900  
17 03828853  
18 06443600  
19 06435900  
20 05961400  
21 04061053  
22 07200523  
07200524  
23 04428900  
24 07400103  
25 04396500  
26 08320300  
27 06436200  
28 05600513  
Washer, Flat Steel .469 x 2.00 x .25  
Washer, Flat Steel .438 x 1.00 x .083  
Bolt, Hex .38-16 x 2.75  
Plate, Deck (915150)  
V-Belt, 4L Wrapped (915148, 170)  
V-Belt, 4L Wrapped (915150)  
Assy, Washout Port W/O Ring  
Screw, Tapping .25-20 x .62 Hex Washer Head Thread Rolling  
Coupling, Quick Disconnect  
Extension Spring .135 x .98 x 6.0  
Washer, Flat Steel .406 x .812 x .065  
O-Ring .362 X .103 X .568  
33  
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BELT COVERS AND BLADES  
Model 915146, 168  
12  
12  
11  
11  
10  
9
15  
18  
1
2
19  
13  
3
7
17  
8
4
16  
14  
16  
5
6
Item Part No.  
Qty. Description  
Chute Reinforcement  
Molded Chute  
1
2
3
4
5
6
7
8
9
00662653  
1
1
1
2
2
2
1
2
2
1
2
4
2
2
2
2
1
1
1
03994300  
06800002  
03971900  
06445700  
06500630  
03779253  
05947000  
06545400  
Pin, 5/16 x 3.88"  
Blade, Mower 17.35  
Washer, Beveled .63 x 1.625 x .14  
Nut, Hex .62-18  
Bracket, Baffle Discharge 34"  
Bolt, Hex .31-18 x .75  
Nut, .31-18 Nyloc Flange  
Wireform, Drag Link  
Molded Cover, Belt  
Screw, Tapping .25-20 x .50 Hex Washer Head  
Pin, Bow Tie Locking Cotter .091 x 1.875  
Screw, .31-18 x .75  
Nut, Locking Top Flange .31-18  
Washer, Flat Steel .38 x .875 x .083  
Spring, Torsion  
10 04377667  
11 04323800  
12 07400034  
13 06700201  
14 05920900  
15 06543100  
16 06435700  
17 01258100  
18 06713500  
19 04424951  
Pin, Hair .08 x .18 x 1.18  
Strap, Drag Link  
34  
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NOTES  
35  
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BELT COVERS AND BLADES  
Model 915148, 150, 170  
17  
17  
16  
915148, 170  
16  
15  
9
20  
12  
14  
20  
20  
5
6
10  
8
11  
4
7
29  
13  
2
21  
1
21  
24  
20  
3
18  
19  
23  
9
15  
17  
16  
17  
915150  
14  
20  
22  
26  
12  
25  
20  
27  
28  
26  
20  
10  
11  
8
29  
6
4
21  
7
13  
5
24  
19  
2
1
3
20  
18  
23  
36  
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BELT COVERS AND BLADES  
Model 915148, 150, 170  
Item Part No.  
Qty. Description  
Mower Blade, 14.83" (915148, 170)  
Blade, Mower 17.35" (915150)  
1
04265400  
03971900  
06445700  
06500630  
07056800  
06542000  
03905600  
03905600  
06700201  
04073053  
04443153  
04375900  
3
3
3
3
3
3
4
3
2
1
1
1
1
1
1
1
1
1
1
1
2
1
4
1
1
1
1
2
3
4
5
6
Washer, Bellville .63 x 1.625 x .14  
Nut, Hex .62-18  
Bolt, Shoulder .38-16 x 2.50 Hex Washer Head  
Nut, Locking Top Flange .38-16  
Anti-Scalp Wheel, 5 x 3 OS (915148, 170)  
Anti-Scalp Wheel, 5 x 3 OS (915150)  
Pin, Bow Tie Locking Cotter .091 x 1.875  
Bracket, Discharge Chute Mount 42" (915148, 170)  
Bracket, Discharge Chute Mount 50" (915150)  
Discharge Chute – Molded  
7
8
9
10 08300515  
11 00475800  
12 06713500  
13 03977400  
14 03902200  
03901900  
15 03902100  
03901800  
16 07400034  
07400034  
17 07414200  
18 03957853  
04069053  
19 04395453  
03955953  
Spring, Torsion  
Pin, 5/16 x 5.80"  
Pin, Hair Internal .08 x .18 x 1.18  
Weldment, Discharge Chute MT. Strap  
Belt Cover, Left Hand 42" (915148, 170)  
Belt Cover, Left Hand 50" (915150)  
Belt Cover, Right Hand 42" (915148, 170)  
Belt Cover, Right Hand 50" (915150)  
Screw, Tapping .25-20 x .50 Hex Washer Head (915148, 170)  
Screw, Tapping .25-20 x .50 Hex Washer Head (915150)  
Screw, Tapping .25-20 x .75 Hex Washer Head  
Baffle, 42 Rear (915148, 170)  
Baffle, 50 Rear (915150)  
Weldment – Baffle, Discharge 42" (915148, 170)  
Baffle, 50" Deflector (915150)  
20 06543100 10 Nut, Locking Top Flange .31-18  
21 05947200  
22 02745400  
23 06220800  
24 04377667  
25 05960900  
26 06436200  
27 06537200  
28 06545500  
29 04424951  
2
1
1
2
2
2
2
1
1
Bolt, Hex .31-18 x .50  
Roller (915150)  
Bolt, Round Head Square Neck .31-18 x .75  
Wireform, Drag Link  
Bolt, Hex .38-16 x 3.50  
Washer, Flat Steel .406 x .812 x .065  
Nut, Locking Center Jam .375-16  
Nut, Locking Nylon Flange .38-16  
Strap, Drag Link  
37  
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Gravely  
655 West Ryan Street  
Brillion, WI 54110  
920-756-4688  
Fax 920-756-2407  
www.gravely.com  
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