Illustrated Parts Manual
Hydrostatic Lawn Tractor — TB 1942/2246/2350/2454 Hydro
TROY-BILT LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
Printed In USA
Form No. 769-10313
(October 24, 2014)
To The Owner
Thank You
Thank you for purchasing an MTD Lawn Tractor. It was carefully
engineered to provide excellent performance when properly
operated and maintained.
All information in this manual is relative to the most recent
product information available at the time of printing. Please be
aware that this Illustrated Part’s Manual may cover a range of
product specifications for various models.
Table of Contents
Front and Rear Wheels ........................................... 3
Manual PTO ............................................................. 4
Electric PTO .............................................................. 5
Steering .................................................................... 6
Frame ....................................................................... 8
Seat ..........................................................................10
Front Axle ................................................................11
Deck Lift ..................................................................12
Pedals ......................................................................13
Fender .....................................................................14
Hood ........................................................................16
Fuel Tank and Dash ................................................18
Components listed and/or illustrated in this manual may not be
applicable to all models. We reserve the right to change product
specifications, designs and equipment without notice and
without incurring obligation.
Throughout this manual, all references to right (RH) and left (LH)
are observed from the operating position.
Electrical ................................................................. 20
Drive Syste m (42”/46”/50”) ................................... 22
Drive System (54”) ................................................. 24
42-inch Deck .......................................................... 26
46-inch Deck .......................................................... 28
50-inch Deck .......................................................... 30
54-inch Deck .......................................................... 32
Engine Accessories (Single) .................................. 34
Engine Accessories (Twin) ..................................... 35
Electrical Schematic (Man. PTO) .......................... 36
Electrical Schematic (Elec. PTO) ........................... 37
Record Product Information
To ease in ordering replacement parts, please locate the model
plate on the equipment and record the information in the
provided area to the right. You can locate the model plate by
looking beneath the seat.
Model NuMber
Serial NuMber
Painted Parts
When ordering painted service parts, a four digit color suffix must be added to the part number (e.g. 783-XXXXX-0637).
Please refer to the table below for current color codes:
0637 Black
0709 Dark Green (Bolens, Yard-Man)
0662 Oyster Gray (MTD Gold)
0638 Red (Yard Machines, Huskee, Troy-Bilt, MTD)
0691 Black Jack (MTD Gold, MasterCut)
0674 Yellow (Yard-Man)
0650 Metallic Red (White Outdoor)
0629 Silver Flake (MTD Platinum)
04038 Day Orange (Daedong)
04033 Flint Mica (Troy-Bilt XP)
2
12
Front and Rear Wheels
12
10
9
11
1
3
11
9
10
5
2
4
6
4
7
7
Ref.
Part Number Description
1. 634-0104-0911 Wheel, Complete, 20 x 8 x 8 (46”)
— 634- 05107-0916 Wheel, Complete, 22 x 9.5 x 12 (54”)
2. 634-04369-0662 Rim Ass’y, 8.0 x 7.0 x .750 ID (46”)
— 634-04238-0662 Rim Ass’y, 12.0 x 7.0 (54”)
3. 734-1730-0901 Tire, 20 x 8 x 8 Sq Shoulder (46”)
— 734-05065-0906 Tire, 22 x 9.5 x 12 Sq Shoulder (54”)
4. 934 -0255 Valve, Tubeless Air
5. 634-05149-0911 Wheel, Complete, 15 x 6 x 6 (46”)
— 634-05082-0916 Wheel, Complete, 16 x 6.5 x 8 (54”)
8
Ref.
Part Number Description
6. 634-05081-0662 Rim Ass’y, 6.0 x 4.5, Flnge Bearings
— 634-05083-0662 Rim Ass’y, 8.0 x 5.38, (54”)
7. 741-05094 Bearing, Flange, .760 ID
8. 734-1731-0901 Tire, 15 x 6 x 6 Sq Shoulder (46”)
— 734-04641 Tire, 16 x 6.5 x 8 Sq Shoulder (54”)
9. 710 - 06154B Screw, 5/16-24 x .850
10. 731-2290A Hub Cap
11. 736-0430 Flat Washer, .350 x 1.59 x .062
12. 712-3050 Lug Nut 7/16-14 (54”)
3
Manual PTO
8
7
15
6
9
1
5
9
1
2
16
12
4
2
10
11
13
14
3
Ref. Part Number Description
1. 983-05105A PTO Handle Assembly
2. 710 -0 6133 Screw, M6-1 x .625
3. 710-06266 Hex Cap Screw, 7/16-20 x 3.50
4. 714-05005 Bow-Tie Cotter Pin
5. 731-1006 6A PTO Handle Mount, RH
6. 731-10 067A PTO Handle Mount, Top
7. 732 -0 5119 Extension Spring, .56 OD x 4.52 LG
8. 720-05086 Grip
9. 738- 04425 Shoulder Screw, .342 x .335, 1/4-28
10. 946-05087 PTO Cable
11. 747- 062 39A Engine Pulley Keeper Rod
12. 747-06308 Cable Guide
13. 748-05078 Spacer, Engine Pulley
748-05079 Spacer, Engine Pulley, Briggs
14. 956 -0 4 067A Pulley, Engine, 3.56 x 6.12 Dia.
15. 725-04363 Switch, Interlock
16. 73 8 - 04237A Shoulder Screw, #10-32 x .500
4
Electric PTO
6
4
1
7
3
5
2
Ref. Part Number Description
1. 710 -0 6133 Screw, M6-1 x .625
2. 710-06266 Hex Cap Screw, 7/16-20 x 3.50
3. 917-05209 Clutch, Electric PTO
4. 731-10576 Grommit
5. 736-05107 Flat Washer, .450 x 1.375 x .250
6. 783-08656 Clutch Bracket
7. 756-05061A Engine Pulley
756 -05101 Engine Pulley, Briggs
5
Steering
17
4
16
2
1
2
1
15
B
A
1
2
6
14
B
5
10
A
9
6
3
13
1
2
6
3
7
11
8
3
12
18
6
Ref. Part Number Description
1. 712-05093 Jam Nut, 7/16-20
2. 723-05009 Ball Joint, 7/16-20, Lock
3. 710-06133 Screw, M6-1 x .625
4. 710 -0 6154B Screw, 5/16-24 x .850
5. 710 -3005 Hex Cap Screw, 3/8-16 x 1.25
6. 912-0214 Nut, Hex Lock, 3/8-24, Grb
7. 712-040 65 Nut, Flange Lock, 3/8-16, Grf,
8. 717- 05193A Pinion Gear, 13T
9. 717- 052 25 Steering Gear
10. 736-04294 Flat Washer, .390 x 2.490 x .119
11. 738-05043 Shaft, Steering, .625 OD x 20
12. 748-05071 Steering Support
13. 783-08386 Steering Mounting Plate
14. 747-06 456 Steering Rod, LH
15. 747-06457 Steering Rod, RH
16. 631- 05102 Steering Wheel
17. 731-110 14 Cap, Steering Wheel
18. 712-0406 3 Nut, Flange Lock, 5/16-18, Grf
Steering
7
Frame
8
3
10
12
12
3
8
5
7
4
9
2
7
1
11
9
6
6
2
15
13
14
8
Ref. Part Number Description
1. 983-05067 Frame Assembly
2. 710 -0 6133 Screw, M6-1 x .625
3. 710-3005 Hex Cap Screw, 3/8-16 x 1.25
4. 712- 0 4217 Flange Lock Nut, 3/8-16
5. 728-05015 Rivet, 1/4-20 x .750
6. 731-10069A Pivot Bracket
7. 731-10281A Wear Pad
8. 738-04058 Shoulder Spacer, .38 x 1.0 x .70
9. 738-05090 Shoulder Screw, M6-1
10. 747- 06329 Rod, Battery
11. 783-08276 Lower Frame Brace Bracket
12. 783-08567 Battery Bracket
13. 6 83- 05155† Bumper Assenbly
14. 731-05368† Hub Cap
15. 710 - 06012A† Hex Flange Screw, 3/8-16
† If Equipped
Frame
9
Seat
11
6
9
7
5
8
8
4
7
2
4
10
3
1
Ref. Part Number Description
1. 983- 0 5111A Seat Pivot Plate Assembly
2. 710-0 4482 Hex Flange Screw, 3/8/16, .875, Gr5
3. 726-3046 Ratchet Clip
4. 712-0406 3 Nut, Flange Lock, 5/16-18, Grf
5. 783-08452 Bracket, Mounting, Seat
6. 732-04563 Compression Spring, .68 x 1.065 x .055
7. 938- 0140 Shoulder Screw, .435 x .178, 5/16 x .56
8. 741- 05128 Flange Bearing, .4385 ID
9. 783-06050 Seat Lever
10. 783-08563 Pivot Bracket, Tall
11. 757-05044 Seat, High
10
Front Axle
3
2
5
8
7
4
6
5
1
6
8
7
Ref. Part Number Description
1. 983- 05145 Front Axle Assembly
2. 710-0182 Hex Cap Screw, 1/2-13 x 3.00
3. 712-3 083 Nut, Hex Lock, 1/2-13
4. 714 -0162 Pin, Cotter, 5/32, 1.25
5. 726 -03 41 Push Cap, 3/4
6. 738-05056 Shoulder Spacer, 1.00 x .515 x .760
7. 731-229 0A Hub Cap
8. 736-0 4228A Washer, Flat, .350 x 1.559 x .062
4
11
Deck Lift
Spring for 50-inch
and 54-inch decks
16
Spring for 42-inch
and 46-inch decks
15
3
4
14
2
10
5
1
13
12
4
14
2
5
5
7
8
10
6
12
5
5
9
Ref. Part Number Description
1. 983-05077 Shaft Assembly, Lift
2. 711 - 0614 3A Ferrule, .510 x .496
3. 711- 063 46 Spring Insert
4. 912-3048 Nut, Jam, 1/2-13
5. 714-05005 Bow-Tie Cotter Pin
6. 731- 09629A Spacer, .76 ID x .93 LG
7. 732-05086A Torsion Spring
8. 747- 06186A Deck Lift Handle
9. 747-06247B Deck Lift Rod
10. 747- 06392 Lift Adjustment Link
11. 748 -0406 9 Pivot Cup
12. 783-08280 Rear Lift Arm
13. 720-05087 Grip
14. 712-05046 Hex Lock Nut, 1/2-13
15. 732-05241 Lift Assist Spring, (46”)
16. 732- 05242 Lift Assist Spring, (54”)
11
14
4
12
12
Pedals
8
3
4
9
6
7
1
5
10
11
4
2
Ref. Part Number Description
1. 947-05033 Brake Pedal Assembly
2. 949-05026 FWD/REV Pedal Assembly
3. 712 - 04217 Flange Lock Nut, 3/8-16
4. 731-099 57A Clip
5. 732- 05155 Torsion Spring, .725 ID
6. 735-05028 Reverse Pedal Pad
7. 735-05030 Forward Pedal Pad
8. 735-05051 Brake Pedal Pad
9. 938-0380 Shoulder Screw, .50 x .27, 3/8-16
10. 741- 05074A Flange Bearing, .63 x .84 x .71
11. 741-05085A Plastic Sleeve Bearing
12. 74 8-04203 Cruise Latch
13
Fender
7
8
6
4
9
3
4
2
5
1
1
14
2
3
2
12
5
10
11
5
Ref. Part Number Description
1. 710-04666 Hex ange Screw, 1/4-20 x .75
2. 710 -0 6133 Screw, M6-1 x .625
3. 710 -06147 Screw, 1/4-10 x .75
4. 710 -1260A Screw, Self-tapping, 5/16-18, 0.750,
5. 712 - 04064 Nut, Flange Lock, 1/4-20, Nylon
6. 783- 08559 Lift Index Bracket
7. 731-10172 Cover, LH
8. 631- 05261 Cover, RH, Manual PTO
— 631-05259 Cover, RH, Electric PTO
9. 732- 05182 Compression Spring, 2.50 x 3.951 x .207
10. 783- 08279 Fender
11. 731- 09731 Pad, Foot, LH
12. 7 31-09 812 Pad, Foot, RH
Fender
15
Hood
11
3
5
4
2
1
8
12
13
10
7
6
9
16
Ref. Part Number Description
1. 925- 0963 Miniature lamp 12V socket
2. 631- 04272 Grill
3. 683-05172 Hood Assembly
683 -05178 Hood Assembly, No Scoop
4. 710 -04187† Screw, 1/4-15 x 0.50
5. 710 -06147 Screw, 1/4 x .750
6. 710-0751 Hex Cap Screw, 1/4-20 x .62
7. 712-040 64 Nut, Flange Lock, 1/4-20, Nylon
8. 725-0157 Cable Tie
9. 731-06095 Grill Lens - LH
10. 731-06096 Grill Lens - RH
11. 731- 06194B† Hood Scoop
12. 731-10 070A Hood Pin
13. 931-10 635 Plenum
† If Equipped
Hood
17
Fuel Tank and Dash
16
3
18
17
15
1
3
19
1
20
10
1
10
14
6
5
10
10
10
7
4
11
18
2
13
1
9
8
1
12
Ref. Part Number Description
1. 710 -0 6133 Screw, M6-1 x .625
2. 711 - 06 378 Hinge Pin, .25 Dia x 4.50 LG
3. 751-1208 9 - 45 Hose, Vent
751-120 89-28 Hose, Vent, Briggs
751-1208 9-18 Hose, Vent (Carb)
4. 926-04012 Push Nut, .25 Dia.
5. 931-09815 Upper Dash
6. 931-10613 Dash Cap
7. 731-10618 Steering Shaft Bearing
8. 731-10636 Dash Lever
9. 732-05199 Torsion Spring, .330 ID
10. 738-05090 Shoulder Screw, .368 x .115, M6-1
11. 747- 06192 Control Rod
12. 783-08391 Lower Dash
13. 783-08453 Dash Plate
14. 783-08538 Steering Bearing Mounting Bracket
15. 951-05101 Tank, Fuel, 3 Gal.
16. 951-14767 Fuel Cap
951-12426 A Cap, Fuel Carb
17. 735-04081 Grommet, Rubber, 23.0 ID
18. 751-12 118 Valve, Rollover Grommet
19. 951-12372 Carbon Canister (CARB)
20. 783-08866 Carbon Canister Bracket (CARB)
Fuel Tank and Dash
19
Electrical
8
11
4
1
15
14
2
9
3/4
2
6
20
13
12
16
5
10
7
Ref. Part Number Description
1. 710 -0 6133 Screw, M6-1 x .625
2. 712-05106 Nut, Jam Lock, 1/4-20, Nylon
3. 725-04232 Switch, 3-Pole (Man. PTO)
4. 725-04363 Switch, Interlock
5. 925- 06119A Key Switch (Man. PTO)
— 725-06102A Key Switch (Elec. PTO)
6. 72 5 - 06173 Jumper Harness (Elec. PTO)
7. 925- 06170 Hour Meter
8. 925-1707D Battery
9. 925-06261 Dash Harness (Man. PTO)
— 925 - 06129 Dash Harness (Elec. PTO)
10. 925-3233 PTO Switch (Elec. PTO)
— 731-10634 Dash Plug (Man. PTO)
11. 738-04237A Shoulder Screw, #10-32 x .500
12. 731-09956 Choke Plug
13. 746-05094 Throt/Choke Cable, 38”
— 746-05093 Throt/Choke Cable, 21”
14. 725 - 06153 Solenoid
15. 710-1652 Self-tapping Screw, 1/4-20 x .625
16. 625-05000 Key, Assembly
— 925 - 06130†† Harness Assembly, Main (Man. PTO)
— 925 - 06127†† Harness Assembly, Main (Elec. PTO)
— 925-06167†† Reverse Harness
— 925 - 06132†† Headlight Harness
Electrical
21
Drive System (42”/46”/50”)
8
21
7
7
A
5
5
22
11
14
8
26
23
19
13
15
9
2
10
18
24
7
A
4
9
9
3
3
5
20
1
3
3
17
4
25
12
6
10
16
22
Ref. Part Number Description
1. 918-0 6972 Transmission, Tu Torq K46
2. 983-05090A Idler bracket Assembly
3. 710-0378 Hex Screw, 5/16-18, 2.50, Gr5, Std
4. 710 -0 6133 Screw, M6-1 x .625
5. 710 -1611B Screw, Self-tapping, 5/16-18, 0.750
6. 710 -3011 Hex Screw, 3/8-16, 2.25, Gr5
7. 712-040 63 Nut, Flange Lock, 5/16-18, Nylon
8. 712-04217 Flange Lock Nut, 3/8-16
9. 714-04040 Pin, Cotter, Bow-Tie 72
10. 731- 08237 Sleeve, .765 Id x 2.11
11. 732- 05108A Spring, Extension, .790 Dia x 8.41
12. 732-0 5146 Spring, Extension, .90 Dia x 8.14
13. 738 -04162 C Shoulder Spacer, .884 x .190
14. 747-05608 Deck Spring Rod
15. 747-06193 Idler Link
16. 747- 062 51A Rod, Brake, Tu Torq
17. 747- 06281A Rod, Control, Tu Torq
18. 747-064 47 Rod, Transmission, Bypass
19. 748-05037A Shoulder Spacer
20. 750-0 6201 Spacer, .34 x .75 x .63
21. 954-05027A Belt, V-Type
22. 756-05024 Idler Pulley, 3.56 OD
23. 756-05032 Idler Pulley, 3.00 OD
24. 783-08342 Belt Keeper Bracket
25. 783-08463 Transmission Bracket
26. 726 -0201 Speed Nut
Drive System (42”/46”/50”)
23
Drive System (54”)
10
10
12
24
9
9
A
7
7
17
25
26
22
14
3
16
18
11
13
8
6
1
19
27
9
A
5
21
13
6
1
4
11
11
4
7
23
2
4
4
20
5
28
15
24
Ref. Part Number Description
1. 918-0 4228A Hub Assembly, Wheel
2. 918-07009 Transmission, Tu Torq K46
3. 983-05090A Idler bracket Assembly
4. 710-0378 Hex Screw, 5/16-18, 2.50, Gr5, Std
5. 710-06133 Screw, M6-1 x .625
6. 710 -06154B Screw, 5/16-24 x .850
7. 71 0 -1611B Screw, Self-tapping, 5/16-18, 0.750
8. 710 -3011 Hex Screw, 3/8-16, 2.25, Gr5
9. 712- 04 063 Nut, Flange Lock, 5/16-18, Nylon
10. 712- 0 4217 Flange Lock Nut, 3/8-16
11. 714-04040 Pin, Cotter, Bow-Tie 72
12. 726-0201 Speed Nut
13. 7 31- 09827A Sleeve, .765 ID x 1.575
14. 732-05108A Spring, Extension, .790 Dia x 8.41
15. 732-05146 Spring, Extension, .90 Dia x 8.14
16. 738-04162C Shoulder Spacer, .884 x .190
17. 747-05608 Deck Spring Rod
18. 747- 06193 Idler Link
19. 747-06 251A Rod, Brake, Tu Torq
20. 747-06281A Rod, Control, Tu Torq
21. 747-064 47 Rod, Transmission, Bypass
22. 748-05037A Shoulder Spacer
23. 750-06201 Spacer, .34 x .75 x .63
24. 954-05027A Belt, V-Type
25. 756-05024 Idler Pulley, 3.56 OD
26. 756-05032 Idler Pulley, 3.00 OD
27. 783-08342 Belt Keeper Bracket
28. 783-08463 Transmission Bracket
Drive System (54”)
25
42-inch Deck
36
1
12
50
49
47
17
13
19
48
47
46
5
30
15
11
14
31
5
13
29
1
10
25
20
5
3
22
5
6
29
27
27
24
7
51
28
6
21
14
4
18
25
45
9
5
31
1
26
32
34
33
5
38
35
13
26
37
44
39
41
42
40
16
8
43
2
13
23
12
11
23
12
42-inch Deck
Ref. Part Number Description
1. 918-0 6976 Spindle Ass’y, Pulley, 6.3 Dia
2. 983-05076 Deck Assembly, 42”
3. 983- 05182 Brake Assembly, Deck, RH
4. 983-05183 Brake Assembly, Deck, LH
5. 710-06133 Screw, M6-1 x .625
6. 710 -06178 Hex Cap Screw, 3/8-16 x 2.00
7. 710 -0 6213 Hex Cap Screw, 5/16-18 x 1.25
8. 710-0376 Hex Cap Screw, 5/16-18 x 1.00
9. 710 -1260A Screw, Self-tapping, 5/16-18, 0.750,
10. 710-30 05 Hex Cap Screw, 3/8-16 x 1.25
11. 712-04 063 Nut, Flange Lock, 5/16-18, Nylon
12. 712-0417A Nut, Flange, 5/8-18
13. 712-04217 Flange Lock Nut, 3/8-16
14. 714-05005 Bow-Tie Cotter Pin
15. 720-05010 Vinyl Cap, .29 x .50
16. 726 -04009 Push Cap
17. 732-04629 Spring, Extension, .750 x .477
18. 732-05151A Spring, Torsion, LH Brake
19. 783-08435 Bearing Shield
20. 936- 0227 Flat Washer, .39 x 1.5 x .134
21. 738-05088 Shoulder Spacer, .75 x .145
22. 738-05099 Shoulder Spacer, .854 x .191
23. 942-04308 Blade, Cut, 21.23” 2-In-1, Cub
24. 747-06 452 Rod, Brake, Deck
25. 748-05029A Shoulder Spacer, Idler
Ref. Part Number Description
26. 954-05021 Belt, V-Type, A Sec x 99.75
27. 756-05034 Pulley, Idler, 4.50” Dia.
28. 783-08863 Idler Bracket
29. 783-08389 Pulley Cap
30. 783-08406 Bracket, Cable, PTO
31. 783- 08510 Belt Cover
32. 921-04041 Coupler, Water
33. 731-074 87 Deck Wash Nozzle
34. 738 -04502 Shoulder Screw, 1/4-20 x 0.50
35. 734 -04155 Wheel, Deck, 5.0 Dia. Ball
36. 734-0973 Wheel, Deck 5.0 x 1.38
37. 938-0373 Bolt, Shoulder, .496 x 1.525, 3/8-16
38. 938-3056 Bolt, Shoulder, .496 x 2.50, 3/8-16
39. 631-04354A Chute Deector Assembly
40. 732-05261 Spring, Torsion, .440 ID x 1.75
41. 747-06290B Hinge Pin
42. 783-08504A Bracket, Chute, 42”
43. 710-0751 Hex Cap Screw, 1/4-20 x .62
44. 712- 04064 Nut, Flange Lock, 1/4-20, Nylon
45. 783-08690 Belt Keeper
46. 738-1010A Shaft, Spindle, 5.75
47. 941- 0919B Bearing, Ball, .787id x 1.85 Od x .551
48. 750-0 4936 Spacer, .792 x 1.060 x 1.860
49. 750 -06142 Spacer, .800 x 1.10 x 1.470
50. 756-05031 Pulley, Deck, 5.40 Dia.
27
46-inch Deck
3
34
1
10
37
11
32
29
27
3
35
4
13
3
33
1
30
24
36
26
26
19
17
12
8
20
31
22
25
13
28
35
29
32
16
27
4
5
15
21
18
7
3
34
1
38
40
39
2
44
43
42
50
45
11
48
47
46
14
9
49
6
9
51
11
23
10
23
10
11
41
28
46-inch Deck
Ref. Part Number Description
1. 918-0 6977 Spindle Ass’y, Pulley, 6.93 Dia
2. 983-05078 Deck Assembly, 46”
3. 710-06133 Screw, M6-1 x .625
4. 710-06178 Hex Cap Screw, 3/8-16 x 2.00
5. 710-06 213 Hex Cap Screw, 5/16-18 x 1.25
6. 710-0805A Hex Cap Screw, 5/16-18 x 1.50
7. 710 -1260A Screw, Self-tapping, 5/16-18, 0.750,
8. 710-3005 Hex Cap Screw, 3/8-16 x 1.25
9. 712- 04 063 Nut, Flange Lock, 5/16-18, Nylon
10. 712- 0 417A Nut, Flange, 5/8-18
11. 712-04217 Flange Lock Nut, 3/8-16
12. 983-05182 Brake Assembly, Deck, RH
13. 714-05005 Bow-Tie Cotter Pin
14. 720-05075 Vinyl Cap, .29 x 1.00
15. 983-05183 Brake Assembly, Deck, LH
16. 728-05016 Rivet Nut, 3/8-16
17. 732-04629 Spring, Extension, .750 x .477
18. 732-05151 Spring, Torsion, LH Brake
19. 783-08435 Bearing Shield
20. 936- 0227 Flat Washer, .39 x 1.5 x .134
21. 738-05088 Shoulder Spacer, .75 x .145
22. 738-05099 Shoulder Spacer, .854 x .191
23. 942-04244A Blade, Cut, 23.25” 2-In-1, Cub
24. 738-1010A Shaft, Spindle, 5.75
25. 747- 06452 Rod, Brake, Deck
26. 941-0919B Bearing, Ball, .787id x 1.85 Od x .551
Ref. Part Number Description
27. 748-05029A Shoulder Spacer, Idler
28. 954-05022A Belt, V-Type, A Sec x 108.3
29. 756-05034 Pulley, Idler, 4.50” Dia.
30. 750-04936 Spacer, .792 x 1.060 x 1.860
31. 783- 08284 Idler Bracket
32. 783-08389 Pulley Cap
33. 783- 08406 Bracket, Cable, PTO
34. 783-08547 Belt Cover
35. 783-08690 Belt Keeper
36. 750-06142 Spacer, .800 x 1.10 x 1.470
37. 756-05030 Pulley, Deck, 6.74 Dia.
38. 921-04041 Coupler, Water
39. 731- 074 87 Deck Wash Nozzle
40. 738-04502 Shoulder Screw, 1/4-20 x 0.50
41. 734 -0 4155 Wheel, Deck, 5.0 Dia. Ball
42. 734-0973 Wheel, Deck 5.0 x 1.38
43. 938-0373 Bolt, Shoulder, .496 x 1.525, 3/8-16
44. 938-3056 Bolt, Shoulder, .496 x 2.50, 3/8-16
45. 631- 0435 4A Chute Deector Assembly
46. 732-05261 Spring, Torsion, .440 ID x 1.75
47. 747-06290B Hinge Pin
48. 783-08504A Bracket, Chute, 42”
49. 710 -0751 Hex Cap Screw, 1/4-20 x .62
50. 712- 04 064 Nut, Flange Lock, 1/4-20, Nylon
51. 726-04009 Push Cap
29
50-inch Deck
1
10
21
18
21
26
1
17
42
42
43
44
41
21
20
40
1
11
7
29
27
29
25
15
4
12
22
28
15
3
6
21
27
25
30
31
2
33
32
11
8
1
19
24
30
12
31
13
9
30
36
34
35
38
5
39
45
10
37
23
23
14
23
10
10
16
50-inch Deck
Ref. Part Number Description
1. 918-0 69 81 Spindle Ass’y, Pulley, 5.37 Dia
2. 983-05103 Deck Assembly, 50”
3. 710- 06178 Hex Cap Screw, 3/8-16 x 2.00
4. 710 -0 6215 Hex Cap Screw, 3/8-16 x 2.25
5. 710-0805A Hex Cap Screw, 5/16-18 x 1.50
6. 710 -1260A Screw, Self-tapping, 5/16-18, 0.750,
7. 710-30 05 Hex Cap Screw, 3/8-16 x 1.25
8. 711- 06 377 Roller Pin, 1/2 x 7.31 Lg
9. 712- 04 063 Nut, Flange Lock, 5/16-18, Nylon
10. 712- 0 417A Nut, Flange, 5/8-18
11. 712-04217 Flange Lock Nut, 3/8-16
12. 714-05005 Bow-Tie Cotter Pin
13. 720-05075 Vinyl Cap, .29 x 1.00
14. 726 -0299 Push Cap, 1/2”
15. 728-05016 Rivet Nut, 3/8-16
16. 731- 05679B Front Roller
17. 731- 09968 Belt Cover, RH
18. 731-09969A Belt Cover, LH
19. 732- 04927 Spring, Extension, 1.25 OD x 8.5
20. 783-08435 Bearing Shield
21. 738-04502 Shoulder Screw, 1/4-20 x 0.50
22. 738-05082 Shoulder Spacer, .970 x .190
23. 942-05052A Blade, Cut, 17.27” 2-In-1, Cub
Ref. Part Number Description
24. 747-05608 Deck Spring Rod
25. 748-05037A Shoulder Spacer
26. 95 4 - 0 4077A Belt, V-Type, B Sec x 134
27. 756-05034 Pulley, Idler, 4.50” Dia.
28. 783-08309A Pivot Idler bracket
29. 783-08389 Pulley Cap
30. 921-04041 Coupler, Water
31. 731- 074 87 Deck Wash Nozzle
32. 734 -0 4155 Wheel, Deck, 5.0 Dia. Ball
33. 938-3056 Bolt, Shoulder, .496 x 2.50, 3/8-16
34. 6 31 - 05116 A Chute Deector Assembly
35. 732-05261 Spring, Torsion, .440 ID x 1.75
36. 747-06290B Hinge Pin
37. 783-08504A Bracket, Chute, 42”
38. 710 -0751 Hex Cap Screw, 1/4-20 x .62
39. 712- 04064 Nut, Flange Lock, 1/4-20, Nylon
40. 756-05036 Pulley, Deck, 5.00 Dia.
41. 938 - 04241 Shaft, Spindle, 5.50
42. 9 41- 0919B Bearing, Ball, .787id x 1.85 Od x .551
43. 750-04936 Spacer, .792 x 1.060 x 1.860
44. 75 0 - 06153 Spacer, .792 x 1.060 x 1.191
45. 726-04009 Push Cap
31
54-inch Deck
1
10
21
18
21
26
1
17
42
42
43
41
44
30
21
20
45
1
11
3
29
1
19
24
7
31
13
9
12
27
46
29
7
40
25
15
4
12
22
28
46
15
7
3
6
40
25
21
27
30
31
2
33
7
40
11
8
32
32
36
34
35
38
5
39
47
10
37
23
23
14
23
10
10
16
54-inch Deck
Ref. Part Number Description
1. 918-0 6978 Spindle Ass’y, Pulley, 5.37 Dia
2. 983-05104 Deck Assembly, 54”
3. 710- 06178 Hex Cap Screw, 3/8-16 x 2.00
4. 710 - 06214 Hex Cap Screw, 3/8-16 x 2.75
5. 710-0805A Hex Cap Screw, 5/16-18 x 1.50
6. 710 -1260A Screw, Self-tapping, 5/16-18, 0.750,
7. 710 -0 6133 Screw, M6-1 x .625
8. 711- 06 377 Roller Pin, 1/2 x 7.31 Lg
9. 712- 04 063 Nut, Flange Lock, 5/16-18, Nylon
10. 712- 0 417A Nut, Flange, 5/8-18
11. 712-04217 Flange Lock Nut, 3/8-16
12. 714-05005 Bow-Tie Cotter Pin
13. 720-05075 Vinyl Cap, .29 x 1.00
14. 726 -0299 Push Cap, 1/2”
15. 728-05016 Rivet Nut, 3/8-16
16. 731- 05679B Front Roller
17. 731- 09968 Belt Cover, RH
18. 731-09969A Belt Cover, LH
19. 732- 04927 Spring, Extension, 1.25 OD x 8.5
20. 783-08435 Bearing Shield
21. 738-04502 Shoulder Screw, 1/4-20 x 0.50
22. 738-05082 Shoulder Spacer, .970 x .190
23. 942-05056A Blade, Cut, 18.67” 2-In-1, Cub
24. 747-05608 Deck Spring Rod
Ref. Part Number Description
25. 748-05037A Shoulder Spacer
26. 954-05025A Belt, V-Type, B Sec x 139
27. 756-05034 Pulley, Idler, 4.50” Dia.
28. 783-08309A Pivot Idler bracket
29. 783-08389 Pulley Cap
30. 921-04041 Coupler, Water
31. 731- 074 87 Deck Wash Nozzle
32. 734 -0 4155 Wheel, Deck, 5.0 Dia. Ball
33. 938-3056 Bolt, Shoulder, .496 x 2.50, 3/8-16
34. 6 31 - 05116 Chute Deector Assembly
35. 732-05261 Spring, Torsion, .440 ID x 1.75
36. 747-06290B Hinge Pin
37. 783-08504A Bracket, Chute, 42”
38. 710 -0751 Hex Cap Screw, 1/4-20 x .62
39. 712- 04064 Nut, Flange Lock, 1/4-20, Nylon
40. 783-08404A Bracket, Lift, Stop
41. 7 3 8 -118 6 A Shaft, Spindle, 6.11
42. 9 41- 0919B Bearing, Ball, .787id x 1.85 Od x .551
43. 750-04936 Spacer, .792 x 1.060 x 1.860
44. 75 0 - 06152 Spacer, .792 x 1.060 x 1.782
45. 756-05038 Pulley, Deck, 4.50 Dia.
46. 750-0618 4 Spacer, .385 ID x 1.75 OD x .585
47. 726-04009 Push Cap
33
Engine Accessories (Single)
6
7
10
9
5
11
4
3
8
2
3
12
1
34
Ref.
Part Number Description
1. 983-05142 Shield Ass’y, Muer
2. 710-04683C Screw, Self-tapping, 3/8-16, 1.0
3. 710 - 06133 Screw, M6-1 x .625
4. 710 -06256 Screw, Self-tapping, M8-1.25, .750
5. 710 -1314 A Screw, Sokt Head, 5/16-18, .750
6. BS-692236 Exhaust Gasket
7. 726-0205 Clamp, Hose, .490 Dia.
8. 731-10746 Push Mount Wire Clip, .750
9. 751-14 836 Drain, Oil
10. 751-10349 -16 Hose, Fuel, Low Permeation, 1/4
11. 751-14 477 Exhaust Pipe, LH
12. 751-1450 4A Muer
13
Engine Accessories (Twin)
8
8
11
10
5
4
7
2
12
3
Ref.
Part Number Description
1. 983-05142 Shield Ass’y, Muer
2. 710-04683C Screw, Self-tapping, 3/8-16, 1.0
3. 710 - 06133 Screw, M6-1 x .625
4. 710 -06256 Screw, Self-tapping, M8-1.25, .750
5. 710 -1314 A Screw, Sokt Head, 5/16-18, .750
6. 726-0205 Clamp, Hose, .490 Dia.
7. 731-10746 Push Mount Wire Clip, .750
8. 721-0460 Exhaust Gasket
9. 751-10349 -16 Hose, Fuel, Low Permeation, 1/4
10. 751-14476 Exhaust Pipe, LH
11. 751-14475 Exhaust Pipe, RH
12. 751-14503A Muer
13. 751-14836 Drain, Oil
9
6
1
35
Electrical Schematic (Man. PTO)
36
Electrical Schematic (Elec. PTO)
37
Notes
38
39Notes
To order replacement parts or locate your nearest service dealer call Customer Support at (800) 828-5500.
or visit www.troybilt.com to find the nearest authorized dealer in your area.
TROY-BILT LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
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