4900 Molly Pitcher Highway
Chambersburg, PA 17202 US
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Troy-Bilt 21A-492R766 Pony (2018) Transmission

Change Assembly
Diagrams Shown are for U.S. Models

Transmission

Prices shown are USD

Ref#
 Part
Price
Qty
 
1
WHEEL DRIVE SHAFT YOKE ASSEMBLY
$48.40
2
WORM GEAR ASSEMBLY
$163.50
2
SCREW 5/16-18X.625
$4.88
3
TILLER TRANSMISSION HOUSING
$263.14
4
SCREW 1/4-20 X .75 GR5
$6.56
5
SCREW 5/16-18 x .75 GR5
$4.26
6
TILLER SHAFT
$69.81
7
WHEEL AXLE SHAFT
$81.72
8
WORM DRIVE SHAFT
$107.39
9
KEY-HI PRO .25 X 1
$6.44
10
DOWEL PIN
$4.45
11
RETAINING RING
$11.38
12
RETAINING RING
$6.44
13
RETAINING RING
$4.36
14
WORM GEAR 30 T
$127.13
15
BEARING COVER
$20.94
16
DISCONNECT COLLAR
$17.63
17
TILLER HOUSING COVER
$44.37
18
OIL SEAL .5000 X .8750 X .2500
$11.23
19
OIL SEAL .750 SHF X 1.783
$11.76
21
GEAR HOUSING GASKET
$6.56
22
OIL SEAL 1.00 SHF X 2.00 BORE
$14.80
23
RUBBER OIL PLUG
$5.35
24
WHEEL DRIVE SPRING
$11.11
25
WIRE RING
$5.83
26
FLAT WASHER 1.500X1.750X.062 (Not Shown)
$3.98
27
FLAT WASHER 1.500X1.750X.005 (Not Shown)
$4.36
28
FLAT WASHER 1.500X1.750X.030 (Not Shown)
$4.36
29
FLAT WASHER 1.500X1.750X0.010
$4.36
30
WASHER 1.010X1.560X.060
$11.70
32
BEARING CONE
$15.40
33
BEARING CUP
$6.52
34
BALL BEARING
$24.68
35
LABEL (Not Serviceable)
N/A
36
TRANSMISSION COVER
$19.70
37
TRANSMISSION COVER
$17.70