Troy-Bilt 769-10459 User Manual
Illustrated Parts Manual
Printed In USA
Transmatic Lawn Tractor — TB42 7-speed
TROY-BILT LLC, P.O. BOX 361131 CLEVELAND, OHIO 44136-0019
Form No. 769-10459
(December 08, 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
K Style Hood ............................................................. 4
Frame and PTO Lift ................................................. 6
Front End Steering ................................................... 8
Seat and Fender .....................................................10
Transmission ........................................................... 12
42” Deck ..................................................................14
MTD P90 ..................................................................16
Wiring Harness Schematic - 725-04567H .............17
Engine Model 4P90HUA ........................................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.
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
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K Style Hood
14
35
17
3
2
47
1
1
34
42
29
26
16
8
4
7
1
13
21
31
27
37
39
41
40
15
6
7
38
46
44
9
43
45
23
25
30
33
A
27
18
4
22
24
19
28
20
B
A
36
B
16
10
1
12
11
32
5
K Style Hood
Ref.
No.
1 710-0448 4 Screw 5/16-18 x .750
2 710-05281 Screw, #12-16 x 1.25
3 731- 0640 4 K-Style Bumper
4 710-05108 Screw, 1/4 x .750
5 72 5 - 0157 Cable Tie
6 925- 0963 Miniature lamp 12V socket
7 731- 060 95 Grill Lens - LH
8 910-0224 Screw, #10-16 x .500
9 736-3006 Lock Washer, 1/4
10 738- 0 4 0 91A Shoulder Screw .43 x .29
11 783- 05327B Suppport Bracket LH
12 783-05328A Suppport Bracket RH
13 683-04448 Battery Rod
14 683 -044 41A Hood
15 631-04272 Grill
16 710-05070A Screw, 1/4-20 x .500
17 710-044 83 Screw 1/4-20 x .500
18 710 -3144 Hex Screw 3/8-16 x 2.00
19 710 -3025 Hex Screw, 5/16-18 x .625
20 712- 0 4065 Flange Lock Nut 3/8-16
21 931-08054A Dash, Upper
22 783-06823 Speed Latch Tab
23 747- 0539 8 Speed Control Rod
24 750-04465C Flange Spacer .39 x .671 x 1.095
Part No. Description
731-06096 Grill Lens - RH
Ref.
No.
25 783-06991 Transmission Speed Latch
26 746-04367 Throttle/Choke Control Cable
27 710-1652 Tap Screw, 1/4-20, 0.625
28 710-060 4A Screw 5/16-18 x .625
29 741- 0587 Bearing, .628 ID x 1.36
30 712- 0 4063 Flange lock Nut 5/16-18
31 783-06785C Bracket, Steering Support
32 783-07083 Gas Tank Support Bracket
33 7 8 3 -0 6 811D Dash, Lower NWNDW
34 925-04659 Key Switch Module
35 625-05002 Key, Assembly
36 726-0230 Cable Tie
37 951-04304 Fuel Tank, 1.36 Gallon
38 951-12179B Fuel Cap
39 751-12 0 8 9 -28 Hose Vent, 3/16
40 735-04081 Rubber Grommet
41 751-12118 Rollover Valve
42 731- 05265 Choke Plug
43 710 - 0778 Hex Washer Screw, 1/4-20 x 1.50
44 731-07885B Shift Lever
45 731-07895A Index Control
46 732-04877 Compr. Spring, .72 OD x .78
47 931-09328 Plenum
— 925-04567H Harness, LT-5, NRMC,Dual
Part No. Description
5
Frame and PTO Lift
39
18
37
29
17
19
13
B
22
16
5
5
34
A
43
8
12
B
A
31
27
C
2
6
26
32
3
11
8
30
24
33
28
1
12
9
23
15
4
10
4
45
48
36
5
46
21
47
25
24
11
6
3
23
15
7
20
42
28
38
35
41
40
4
44
14
8
C
33
6
Frame and PTO Lift
Ref.
No.
1 68 3- 0 4195 Support Bracket
2 683 - 05139 Frame Assembly
3 710-0703 Screw Carriage, 1/4-20 x .75
4 710-0448 4 Screw 5/16-18 x .750
5 710-0599 Screw, 1/4-20 x .500
6 710-3008 Hex Screw, 5/16-18 x .75
7 712- 0 4 063 Flangelock Nut, 5/16-18
8 712- 0 4 064 Flangelock Nut, 1/4-20
9 925-04039 Screw Mount Interlock Switch
10 732-0735A Compression Spacer, 1.314 x 2.55
11 736-0173 Flat Washer, .28 x .74 x .063
12 738 -0 4237A Shoulder Spacer, 10-32 x .500
13 783-04548D Seat Frame Bracket
14 783-04637 Running Board Bracket
15 936-014 0 Flat Washer, .385 x .62 x .063
16 783-04869A Battery Bracket
17 710-04666 Hex Head Flange, 1/4-20 x .75
18 712-0271 Sems Nut, 1/4-20
19 925-1707D 230 CCA Battery
20 783-04536B Support Bracket
21 647-05041 PTO Handle Assembly
22 683-04334 Lift Assembly
23 712- 04 0 65 Flangelock Nut, 3/8-16
24 714-04040 Bow-tie Cotter Pin
Part No. Description
Ref.
No.
25 716 -0106A E Ring
26 720- 0298 Handle Grip, 5/8
27 732-04438 Torsion Spring
28 938-0380 Shoulder Bolt, 3/8-16 x .50 x .270
29 9 41-02 25 Hex Flange Bearing
30 747-04653A Deck Lift Handle
31 747- 0 6237A Lift Rod, RH
32 747- 06253 Lift Rod, LH
33 783-0678C Lift Arm
34 725-04363 Switch Interlock
35 736-0322 Flat Washer, .450 x 1.250 x .164
36 741-04119A PTO Bearing
37 946 - 05124 A Deck Engage Cable
38 756 -04196A Engine Pulley, 3.39 x 6.12
39 683-04448 Battery Hold Down Rod
40 936-0300 Flat Washer, .406 x .875 x .059
41 747- 0 4 857 42" Belt Keeper
42 710-060 4A Screw, 5/16-18.0 x .625
43 725- 0 6153 12V Solenoid
44 710 -3157A Hex Screw, 7/16-20 x 3.25
45 914-0145 Click Pin, .092 x 1.64
46 720-04049A Handle Grip, 3/8
47 732-04276A PTO Spring Extension
48 738-04425 Shoulder Bolt, 1/4-28 x .342 x .335
Part No. Description
7
Front End Steering
21
22
8
1
40
27
13
17
3
11
30
14
15
6
10
41
5
19
20
7
2
18
4
8
8
27
29
38
28
39
24
39
9
12
29
33
32
31
37
28
26
25
34
36
35
23
25
16
8
Ref. Part Number Description
1 617- 04 0 9 4 Front Steering Gear Assembly
2 710 -0514 Hex Screw, 3/8-16 x 1.00
3 710 -0643 Hex Screw, 5/16-18 x 1.00, Lock
4 710 -1309 Machine Screw, 5/16-18 x .750
5 710-318 0 Hex Screw, 5/16-18 x 1.75
6 912- 024 0 Jam Nut, 7/16-20
7 912- 0214 Jamlock Nut, 3/8-24
8 712- 04 063 Flangelock Nut, 5/16-18
9 938- 0 4 013 Front RH Axle
10 923-0448A Ball Joint, 7/16-20
11 736-0242 Bell Washer, .340 x .872 x .060
12 938-04014A Front LH Axle
13 738- 0 4141 Shoulder Bolt, 5/16-18 x .435 x .350
14 938-05078 Steering Shaft, 5/8
15 941-04124 Flange Bearing, 5/8
16 931-0484A Hub Cap
17 747- 05385A Steering Link
18 948-0389 Cap, 1.25 x .16
19 748 -04278 Steering Block
20 748- 0 4 0 6 8 Spacer, .71 x .125 x .56
21 731-04681 Cap, Troy-Bilt
22 783-08577 Stabilizer Plate
23 736-04228A Flat Washer, .781 x 1.590
24 6 83- 0128B Pivot Axle
25 714- 0162 Cotter Pin, 5/32 x 1.25
26 710 - 04484 Screw, 5/16-18 x .750
27 912- 0431 Flangelock Nut, 3/8-16
28 914 - 0474 Cotter Pin, .125 x .75
29 634-05053-0911 Wheel Assembly
30 631- 04028 Steering Wheel
31 634-05066 Rim Asm, 6.0 x 4.5
32 934-0255 Valve, tubeless Air
33 734-04240A-0901 Tire, 15 X 6 X 6 Rd Shldr
34 738 - 04128 Shoulder Bolt, 3/8-16 x .500 x 2.38
35 747-042 9 9A Fixed Rod
36 783- 05326B Pivot Bar Bracket
37 726- 0341 Push Cap, 3/4
38 731- 0 4057A Standard Axle Cap
39 741- 0660A Flange Bearing, .760 x .941 x 1.0
40 750 -0 6192A Spacer, .38 ID x .854 OD x .20
41 736 -0331 Bell Washer, .390 x 1.13 x .062
Front End Steering
9
Seat and Fender
16
15
2
26
13
10
13
1
7
12
14
11
9
20
9
12
8
17
24
6
22
23
25
4
18
19
21
5
3
10
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