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.
Manual PTO and Battery ........................................ 4
Steering and Axle .................................................... 6
Seat and Fender ...................................................... 8
Drive and Rear Wheels ...........................................10
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.
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:
0637Black
0709Dark Green (Bolens, Yard-Man)
0662Oyster Gray (MTD Gold)
0638Red (Yard Machines, Huskee, Troy-Bilt, MTD)
0691Black Jack (MTD Gold, MasterCut)
0674Yellow (Yard-Man)
0650Metallic Red (White Outdoor)
0629Silver Flake (MTD Platinum)
04038Day Orange (Daedong)
04033Flint Mica (Troy-Bilt XP)
2
Page 3
Electrical Schematic (Man. PTO)
3
Page 4
Manual PTO and Battery
19
24
23
22
5
1
15
18
16
28
9
4
10
10
3
11
17
6
21
29
20
A
14
25
26
27
30
A
12
13
8
2
4
15
7
Page 5
Ref.
Part NumberDescription
1647- 04151Handle Ass’y, PTO
2710-04379AHex Screw, 7/16-20, 3.50, Gr5, Lock
3710-0599Screw, Self-tapping, 1/4-20, 0.50
4714-04040Pin, Cotter, Bow-Tie 72
5720-04049AGrip, Handle, 3/8
6732-0932Spring, Ext, .38 Dia x 5.6
7747-05171ABelt Keeper Rod
8736-0322Washer, Flat, .450 x 1.250 x .164
973 8 - 04237AScrew, Shoulder, #10-32, .500
10741- 04119ABearing, PTO
11946-04618CCable, Engag, Deck
12750- 0956Spacer, 1.010 x 1.400 x .825
13956-04067APulley, Engine, 3.56 x 6.12 Dia.
14683-04469DFrame Ass’y, Lower
15710 - 0448 4Screw, Self-tapping, 5/16-18, .750,
16710-3005Hex Screw, 3/8-16, 1.25, Gr5, Std
17712- 04 0 65Nut, Flange Lock, 3/8-16, Grf,
18738-04058Spacer, Shoulder, .38 x 1.0 x .70
19747- 04121ARod, Battery
20783-0349Tray, B atter y
21783-06089Bracket, Frame, Seat
22925-1707DBattery
23710-04666Hex Flange Screw, 1/4-20, .75, Gr5
24712-0271Nut, Sems, 1/4-20
25710-0653Screw, Self-tapping, 1/4-20, 0.375,
26712 - 04064Nut, Flange Lock, 1/4-20, Grf,
27725-04232Switch, 3-Pole
28725- 04363Switch, Interlock
2972 5 - 0 6153Solenoid, 12V
30725-04807Switch, Plunger, Snap Mount
—92 5- 04105Wire Harness, Main
Manual PTO and Battery
5
Page 6
Steering and Axle
33
3
13
32
16
2
21
7
19
20
21
37
39
21
14
11
8
18
9
26
26
10
17
1
7
4
9
26
5
6
12
29
25
30
24
15
29
25
28
7
31
43
22
38
6
12
24
30
42
23
36
35
40
41
34
27
41
40
6
34
Page 7
Steering and Axle
Ref.
Part NumberDescription
1710-04 095Hex Screw, 3/8-16, 1.00, Gr5, Spec
2710-0514Hex Screw, 3/8-16, 1.00, Gr5, Std
3710-06 43Hex Screw, 5/16-18, 1.00, Gr5, Lock
4711 - 04998Link, Drag LH
5711-04999Link, Drag RH
6912-0240Nut, Jam, 7/16-20, Gr2
7712-04065Nut, Flange Lock, 3/8-16, Grf,
8712-0459Nut, Flange Lock, 7/16-20, Grb, Lock
9712-3004ANut, Flange Lock, 5/16-18, Gr5, Sd Lk
10717-1550FGear, Steering, 11/90 Ratio
11717-1554Gear, Pinion, Steering
12923-0448ABall Joint, 7/16-20, Lock
13936-3004Washer, Flat, .406 x .875 x .105
14736-3084Washer, Flat, .51 x 1.12 x .06
15938-04034Axle Ass’y, RH .750 Dia (46” Deck)
638-04032Axle Ass’y, RH .750 Dia (42” Deck)
16738-04263Shaft, Steering, .625 OD x 24.25
17738-04363Spacer, Shoulder, .385x 1.25 x .3025
18738-04364BSpacer, .38 x 1.375, Special, 46” Only
19741- 042 37BBearing, Flange, Hex 5/8 Pm
20783-06043Bracket, Support, Steering
21710-04 484Screw, Self-tapping, 5/16-18, .750,
22710-0395Hex Screw, 5/16-18, 2.25, Gr5, Std
Ref.
Part NumberDescription
23710-0859Hex Screw, 3/8-16, 2.50, Gr5, Std
24710-3180Hex Screw, 5/16-18, 1.75, Gr5, Std
25912-0214Nut, Hex Lock, 3/8-24, Grb
26712 - 04063Nut, Flange Lock, 5/16-18, Grf
27714 -0162Pin, Cotter, 5/32, 1.25
28719 -0 4 413AAxle, Pivot Bar, Cast
29748-04278Steering, Block
30748-0406 8Spacer, .71 ID x .125 OD x .56
31750-05280Spacer, .385 x 1.00 x 1.5075
32631-040 08ASteering Wheel, Soft Grip
33731- 04681Cap, Troy-Bilt
34634-04406-0911Wheel Assembly
35734-1731-0901Tire, 15 x 6 x 6
36634-04405-0662Rim Assembly, Plastic Bearing
37934-0255Tubeless Air Valve
38741- 0516BFlange Bearing, .760 x 1.00 x 1.20
39741-0990BFlange Bearing, .760 ID
40731-080 49Cap, Bumper
41736- 04228AWasher, Flat, .350 x 1.559 x .062
42638-04035PAxle Ass’y, LH .750 Dia (46” Deck)
638-04033Axle Ass’y, LH .750 Dia (42” Deck)
43936-0300Washer, Flat, .406 x .875 x .059
7
Page 8
Seat and Fender
39
40
34
32
21
31
35
23
20
25
12
6
28
17
30
17
17
38
A
15
29
22
27
33
19
26
10
36
37
18
4
9
A
13
8
1
7
8
14
2
5
16
11
3
24
2
Page 9
Seat and Fender
Ref.
Part NumberDescription
1683-04223Shaft Ass’y, Lift
2712-04063Nut, Flange Lock, 5/16-18, Grf
3712-04065Nut, Flange Lock, 3/8-16, Grf
4914-010 4Pin, Cotter, .072 Dia. x 1.13
5714-04040Pin, Cotter, Bow-Tie 72, 46”
—914 -0111Bow-Tie Cotter Pin, 42”
6716-0106ARing, E Type, .625 Dia. Shaft
7720 -0 311Grip, Handle, 1/2
8732- 0874Spring, Torsion
9736 -0105Washer, Spring, .401 x .870 x .063
10738-0138AScrew, Shoulder, .437 x .470, 5/16-18
11938-0380Bolt, Shoulder, .500, 3/8-16, 46”
—738-04130Shoulder Bolt, .625 x .175:3/8-16, 42”
129 41- 0225Bearing, Hex Flange
1374 6 - 0968C able, Lift, 16.16
14747- 0496 2AHandle, Lift,
15756-04331Pulley, Roller, Cable
16783-05546ALift Link, 46”
—783-04494CLift Arm, RH, 42”
—783 - 047 11CLift Arm, LH, 42”
17710- 044 84Screw, Self-tapping, 5/16-18, .750,
18710-1260 ATaptite Screw, 5/16-18:.750
19710 - 0599Screw, Self-tapping, 1/4-20, 0.500,
Ref.
Part NumberDescription
20710-0895Screw, HL, 1/4-15, 0.750,
21731- 06795Cover, Lift Lever
22731-1993ACover w/ Cup Holder
23925-05013Switch, Seat
24736-3078Washer, Flat .344 x 1.00 x .063
25783-06443Bracket, Lift, Man PTO, 6 Pos
26783-06259Fender
27712-3004ANut, Flange Lock, 5/16-18, Gr5, Sd Lk
28710-04 482Hex Head Flange, 3/8-16:.875
2972 5 - 0157Cable, Tie, 3/16 x .05 x 7.4
30732-04849Spring, Comprs, 1.50 x 3.90 x .200
31938-0296Screw, Shoulder, .437 x .268, 5/16-18
32783-06049Bracket, Mounting, Seat
33783-06088ABracket, Pivot, Seat
34732-04563Comp. Spring, .68 x 1.065 x .055
35783-06448Clip, Retaining, Switch
36726-3046Clip, Ratchet, .250 Dia
37735 -0 4138Pad, Foot, LH
38735-04158Pad, Foot, RH
39757- 04086Seat, High Back
—757- 04081Seat, Med Back, Black
40783-06050 Seat Adjustment Lever
9
Page 10
Drive and Rear Wheels
5
5
3
2
13
21
5
2
15
17
65
64
54
66
39
33
63
35
60
12
59
23
12
62
11
22
4
61
1
6
14
5
19
28
31
24
44
52
58
43
43
7
7
16
51
5
49
41
55
30
37
8
34
10
9
53
26
38
37
29
45
56
25
52
37
8
42
41
14
27
36
40
14
20
48
18
47
14
57
32
5
5
29
46
50
10
50
Page 11
Drive and Rear Wheels
Ref.Part NumberDescription
1918-05010Transmission, Tu Torq K46
2710-0378Hex Screw, 5/16-18, 2.50, Gr5, Std
3710-0599Screw, Self-tapping, 1/4-20, 0.500
4710- 0 817Screw, Self-tapping, 5/16-18, 1.250
5710-04 484Screw, Self-tapping, 5/16-18, .750
6710 -3180Hex Screw, 5/16-18, 1.75, Gr5
7710-1007Screw, Self-tapping, 3/8-16, 1.500
8710 -1325Screw, Self-tapping, 1/4-20, 1.625
971 0 -3 011Hex Screw, 3/8-16, 2.25, Gr5
10912-0240Nut, Jam, 7/16-20, Gr2
11914 -0 111Pin, Cotter, 3/32, 1.0
12712- 04 0 63Nut, Flange Lock, 5/16-18, Nylon
13912- 0431Nut, Flange Lock, 3/8-16
14914 -0111Pin, Cotter, 3/32, 1.0
15725-05335Jumper Harness, Ground & Reverse
16747-05447Rod, Control, Tu-Torq
17747- 05448Rod, Hydro Bypass
18747- 054 52Rod, Brake, NX9 Tu-Torq
1975 0 -05512Spacer, .330 x .715 x .430
20954 -04297Belt, V-Type
21783-06849Bracket, Mount, Tu-Torq
22783-07349Bracket, NX9 Tu Torq
23783-07260Bracket, Belt Keeper
24732-04792Spring, Extension, 1.00 Dia x 4.75
25732-0716DSpring, Extension, .59 Od x 4.00
26710 -1026Screw, Self-tapping, 1/4-20 x 1.75
2793 6-0185Washer, Flat, .375 x .738 x .063
28719-0584BControl Pedal
29936-0275Washer, Flat, .344 x .688 x .065
30936- 034 4Wash, Flat, .385 x 1.00 x .030
31738-0430Scr, Shldr, .50 x .685 3/8-16
32736-0242Washer, Bell, .340 x .872 x .060
33710-05339Screw, 5/16-24 x .750
Ref.Part NumberDescription
34738-04420Spacer, Shoulder, 1.375 x .380 x .183
35736-0430Washer, Flat, .350 x 1.59 x .062
36747- 04957ARod, Transmission, Bypass
37750- 04456Spacer, .260 x .372 x 1.420
38756-04224Pulley, Idler, Flat 2.75 OD
39731-2290ACap, Hub
40938-0380Bolt, Shoulder, .500 x .270, 3/8-16
41741- 0495Bearing, Flange, .630 x .695 x .60
4274 8 - 04203Latch, Cruise
43756 -04325Pulley, Idler, V-Type x 3.06
44783-06027BBracket, Idler, Center Double
45783-05914Bracket, Support, Pedal Strap
46783-05940Bracket, Support, Pedal Strap 5/8
47783 - 06103ABracket, Pedal, Brake
48647-04152 DControl Assembly, Brake
49683-04537Bracket Assembly, Pedal, Hydro
50710-06 04AScrew, Self-tapping, 5/16-18, 0.625,
51711-05068APin, Clevis, 5/16 x 3.985
52712- 04065Nut, Flange Lock, 3/8-16, Nylon
53714-04040Pin, Cotter, Bow-Tie 72
54941- 049 0Axle Hub
55726 -0214Cap, Push 5/8
56732-04587Spring, Extension, .63 Dia x 4.95
57735 - 04136Pad, Pedal, Brake
58731- 0529 9ASleeve, .765 Id x 1.500
59710-0216Hex Cap Screw, 3/8-16 x .75
60783-07295Bracket, Mount
61783-07347Bracket, Belt
62783-07350Bracket, Support
63634-0104-0911Wheel Assembly
64634-04369-0662 Rim Assembly, Plastic Bead, 46”
65934-0255Tubeless Air Valve
66734-1730-0901Tire, 20 x 8 x 8
11
Page 12
42” Deck
1
17
6
14
16
60
57
15
61
31
58
52
42
30
36
48
54
53
48
54
16
24
64
32
8
37
25
6
57
27
22
16
4
60
8
59
20
15
12
56
19
34
44
9
1
55
63
47
41
33
28
33
6
62
5
35
18
11
40
3
7
13
10
16
29
64
32
9
16
24
23
12
58
2
50
45
28
46
12
43
38
49
26
39
17
21
51
Page 13
42” Deck
Ref.Part NumberDescription
1918-04 822ASpindle Ass’y, Pulley, 6.3 Dia
2683-0254BBracket Ass’y, Deck, Hanger LH
3983 - 045 11Brake Ass’y, Deck, 42/46
4983-04525Brake Ass’y, Deck, 46”
5983- 04572ADeck Ass’y, Oset, 42” W/O wheel
6710-04 484Screw, Self-tapping, 5/16-18, .750
7710-3005Hex Screw, 3/8-16, 1.25, Gr5, Std
8710-0528Hex Screw, 5/16-18, 1.25, Gr5, Std
9710-0599Screw, Self-tapping, 1/4-20, 0.500
10936-3039Flat Washer, .406 x 1.500 x .105
11710-06 42Screw, Self-tapping, 1/4-20, .750
12710-314 4Hex Screw, 3/8-16, 2.00, Gr5, Std
13710 -3178Bolt, Carriage, 3/8-16, 0.75, Gr1
14712- 0229Nut, Push, 3/8
15712- 04063Nut, Flange Lock, 5/16-18, Grf
16712- 0 4 065Nut, Flange Lock, 3/8-16, Grf
17712-0 417ANut, Flange, 5/8-18
18712- 0 4243Nut, Lock, 1/2-13
19731- 07487Deck Wash Nozzle
20753-04070Lynch Pin, .1875
21783-06074AChute Bracket
22917-04074Gear, Deck, Adjustment
23932-0384Spring, Extension, .62 Dia x 6.12
24783-08389Pulley Cap
25732-04840Spring, Torsion, .992 ID X 1.17 OD
26734 -0 4155Wheel, Deck, 5.0 Dia Ball
279 3 6 -0119Washer, Lock, 5/16, Regular Duty
28941-0919ABearing, Ball, .787id x 1.85 Odx.551
29936-0344Washer, Flat, .385 X 1.0 X .030
30710-0376Hex Cap Screw, 5/16-18 x 1.00
31720-05010Cap, .290 x .500
32736 -0262Washer, Flat, .385 x .870 x .092
Ref.Part NumberDescription
33750 - 04936Spacer, .792 x 1.060 x 1.860
34783-06643Bracket, Support, Stationary Idler
3573 6 -0 317Bell Washer, .63 X 1.25 X .18
36738-04162CSpacer, Shoulder, .8840 x .190
3774 8 - 04272Shoulder Spacer
38938-3056Bolt, Shoulder, .496 x 2.50, 3/8-16
39942-0 4308Blade, Cut, 21.23” 2-In-1, Econ
40747-0532 3Rod, Keepr, Belt 42 Idler
41
747- 049 44BDeck Lift Rod
42747- 05105BRod, Control, Brake 42”
43631-04288Chut Assembly, 42” Deck
44783-06424ADeck Belt Cover, 42
45936-0351Washer, Flat, .760 Idx1.50 OD
46738-1186AShift, Spindle, 6.11.
47954-04060BBelt, V Type, A Sec X 96.5
48756- 05042Pulley, Idler, 4.25”Dia
49711- 04 8 47BPin, Hinge, Dia .3125 x 7.96
5095 6 -1227Pulley, Deck, 6.3 Dia
51732-04372Spring, Torsion, .44 I.D. X 2.0
52783-05946Pivot idler Bracket, 46
53783-06243Bracket, Cable, Deck Engage
54783-06368ABracket, Guard, Belt, 4.25 Pulley
55921-04041Water Nozzle Adapter
56738-04278Shoulder Screw, 1/4-20 x 0.50
57914-0470Cotter Pin, 1/8 X 1.25
58732-04652Comp. Spring, .535 OD X 1.751 LG
5993 6- 0179Flat Washer, .531 X 1.25 X .100
6074 7-1116Deck Release Handle Rod
61783 -0474 0Deck Engage Cable Bracket
62783-06632Deck Stop
63710-1260 ASelf Tapping Screw, 5/16-18 x .75
64748-0502 9Shoulder Spacer
13
Page 14
46” Deck
1
17
10
11
43
39
56
36
25
46
48
32
16
9
7
64
3
26
17
15
20
28
41
53
17
10
53
34
58
13
2
22
14
17
8
37
64
34
58
6
57
29
17
45
12
27
51
4
1
8
23
59
31
21
13
16
42
9
24
30
50
49
63
52
18
33
5
44
18
38
38
54
47
33
55
35
19
14
61
40
60
62
Page 15
46” Deck
Ref.
Part NumberDescription
1918-04 865ASpindle Ass’y, Pulley, 6.93 Dia
2683-0254BBracket Ass’y, Deck, Hanger LH
3983 - 045 11Brake Ass’y, Deck
4983-04525Brake Ass’y, Deck
5983- 04578BDeck Ass’y, Oset, 46” 2W
6710-04 484Screw, Self-tapping, 5/16-18, .750,
7710-0514Hex Screw, 3/8-16, 1.00
8710-0528Hex Screw, 5/16-18, 1.25
9710-0599Screw, Self-tapping, 1/4-20, 0.500,
10783-08389Pulley Cap
11710-06 42Screw, Self-tapping, 1/4-20, .75,
12710 -04669Screw, #10-16:.625
13710-314 4Hex Screw, 3/8-16, 2.00
14710 -3178Bolt, Carriage, 3/8-16, 0.75
15712- 0229Nut, Push, 3/8
16712- 0 4 063Nut, Flange Lock, 5/16-18
17712- 04 0 65Nut, Flange Lock, 3/8-16
18712 - 0417ANut, Flange, 5/8-18
19712 - 04243Nut, Lock, 1/2-13
20710 - 0376Hex Cap Screw, 5/16-18 x 1.00
21753- 04070Pin, Lynch, .1875
22714-04040Bow-Tie Cotter Pin, 72
23917-04074Gear, Deck, Adjustment
24731-06496Belt Cover
25932-0384Spring, Extension, .62 Dia x 6.12
26732- 04652Spring, Comp, .535 OD x 1.751
27732-04840Spring, Torsion, .992 I.D x 1.17 O.D
2873 4 -04155Wheel, Deck, 5.0 Dia Ball
29936 -0 119Washer, Lock, 5/16, Regular Duty
30921-04041Water Nozzle Adaptor
3193 6- 0179Washer, Flat, .531 x 1.25 x .100
32720-05010Cap, .290 x .500
Ref.
Part NumberDescription
33941- 0919ABall Bearing, .787 ID x 1.85 OD x .551