4900 Molly Pitcher Highway
Chambersburg, PA 17202 US
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Troy-Bilt 21AE683G766 10HP Roto-Tiller (2006) Power Unit Transmission Assemblies

Change Assembly
Diagrams Shown are for U.S. Models

Power Unit Transmission Assemblies

Prices shown are USD

Ref#
 Part
Price
Qty
 
1
Bolt-hex hd., #10-32 x 3/8", self-locking flange
$4.20
2
Knob-tines/PTO clutch lever, tapered, plastic
$11.20
3
Detent Plate-tines/PTO clutch lever
$45.04
4
Decal-operating instructions, detent plate
$4.96
5
Bolt-flanged hex hd., 3/8-16 x 1-1/2"
$3.52
7
Bolt-flanged hex hd., 5/16-18 x 3/4", Grade 5
$4.49
9
FLAT WASHER
$6.50
11
Pin-spring, 1/8"
$4.32
12
Nut-castle (Slotted) 1/2"-20
13
Washer-shoulder, 1/2"
$14.24
14
Washer-disc spring
$21.95
15
Lever-wheel speed shift
$117.83
16
Cover-power unit transmission
$193.35
17
Gasket-transmission cover
$8.07
18
Bolt-hex hd., 5/16-18 x 1", Grade 5 (remove with care)
$4.14
19
HEX NUT 5/16-18
$4.40
20
Spring-neutral plunger (remove with care)
$11.08
21
Plunger-neutral (remove with care)
$33.23
22
Clip Ring-retains neutral plunger
$5.42
23
Nut-hex, flange locknut, 3/8"-16
$2.98
24
Bolt-hex hd., 3/8-16x1-1/2", threaded full length
$8.10
25
Lever-eccentric, tines/PTO clutch
$48.71
26
Bolt-hex hd., 1/4-20 x 1/2"
$4.55
27
Bushing-tines/PTO clutch lever eccentric shaft
$25.86
28
Retaining Ring-(snap ring) external
$4.03
29
Eccentric-shaft, tines/PTO clutch lever
$34.31
30
Lockwasher-hi-collar, 1/4"
$5.92
31
Screw-socket hd., 1/4-20 x 3/8"
$3.83
33
Retaining Ring-external
$3.82
34
Dog Clutch-power unit
$46.03
35
Key-3/16 sq x 1"
$3.91
36
Bolt-hex hd., 5/16-24 x 3/4", self-locking flange, Grade 5
$4.42
37
Washer-disc spring (concave)
$6.44
38
Pulley-transmission drive, cast iron
$120.69
39
Washer-flat, hardened shoulder 1-1/4
$6.44
40
Bolt-hex hd., 1/4-20 x 3/4 front bearing cap
$3.52
42
Cap-front bearing
$17.23
43
Seal-oil, front bearing cap
$9.54
45
Shim-front bearing cap, 010" thick as required
$4.36
45
Shim-as above, 030" as required
$4.36
45
Shim-as above, 005" as required
$4.36
45
Shim-as above, 062" as required
$3.98
46
Bearing & Race (incl. one bearing GW-9400 and one cup (race) GW-9401
$41.81
47
Shaft-main drive, power unit
$182.30
48
Seal-oil, drive shaft, rear
$11.76
49
Retaining Ring-(snap ring), internal
$4.36
50
Pin-roll (spirol), 1/4 x 2"
$6.45
51
Plug-retaining, pinion bearing
$42.67
52
O-Ring-retaining plug
$5.23
53
Shim-retaining plug, 1-1/64" inner diamter, .033" thick as required (on right side only one GW-1132-1 shim is also used between bearing and washer, Reference #54&55
$6.52
53
Shim-same as GW-1132-1, .062" as required
$4.48
53
Shim-same as GW-1132-1, .010" as required
$6.45
54
Bearing-ball, pinion shaft
$24.75
55
Washer-pinion shaft
$4.94
56
Stem Pinion-slow speed gear & shaft
$115.94
57
Ring-retaining, external
$13.45
58
Worm Gear-bronze, wheel drive
$122.22
59
Key-3/16" x 5/8"
$3.65
60
Gear-fast speed pinion
$118.09
61
Seal-oil, wheel shaft
$10.40
61
Seal-oil, wheel shaft
$10.40
62
Retaining ring-external
$4.36
63
Shim-wheel shaft, 1-1/64" inner dia., .062" thick as required
$4.36
63
Shim-as above, .030" as required
$6.44
63
Shim-as above, .015" as required
$6.44
63
Shim-as above, .010" as required
$3.94
63
Shim-same as above, .005" thick as required
$3.94
64
Bushing-bronze, wheel shaft bearing
$15.83
65
Shaft-wheel, 15-5/8" w/key
66
Key-Hi Pro, 1/4" x 1-3/4"
$19.05
67
Gear-slow speed, wheel drive
$185.14
68
Gear-fast speed, wheel drive
$127.95
69
Dog Clutch-wheel drive
$134.62
70
Pin-clutch guide, 1/4" diameter
$4.60
71
Pin-roll, 3/16" x 1-1/4" (spirol)
72
Lever-eccentric, wheel speed shifting
$50.25
73
Seal-oil, eccentric shaft
$10.17
74
Pin-eccentric shaft, shifting
$7.75
75
Eccentric Shaft-wheel speed shifting
$74.36
76
Spring-eccentric shaft
$4.09
78
Housing-power unit transmission (Empty housing without covers, shafts, gears, seals, etc.
$776.01
79
Pin-alignment
$3.65
80
Bolt-hex hd., 1/2-13 x .2"2 Grade 5
81
Washer-disc spring (concave), domed side faces bolt head
$11.65
82
Post-with threaded hole for Ref. No. 80
$28.44
83
Plug-pipe, 1/4"
$4.14
84
Plug-red plastic, thread protector
$9.68
86
Decal-forward interlock wire harness
 
Transmission-power unit Not shown
$1,941.04
 
Transmission cover & Shift lever Bracket Assemblies (items 1-24)
N/A
 
Tines/PTO Clutch Lever Assembly (items 25-31)
N/A
 
Drive Shaft Assembly (items 33-49)
N/A
 
Pinion Shaft Assembly (items 50-60)
N/A
 
Wheel Shaft Assembly (items 61-70)
N/A
 
Eccentric Shaft Assembly (items 71-76)
N/A
 
Transmission Housing (items 78-79)
N/A
 
Miscellaneous Parts (items 80-86)
N/A