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
$45.02
2
WORM GEAR ASSEMBLY
$152.09
2
SCREW 5/16-18X.625
$4.55
3
TILLER TRANSMISSION HOUSING
$244.78
4
SCREW 1/4-20 X .75 GR5
$6.10
5
SCREW 5/16-18 x .75 GR5
$3.96
6
TILLER SHAFT
$64.94
7
WHEEL AXLE SHAFT
$76.02
8
WORM DRIVE SHAFT
$99.90
9
KEY-HI PRO .25 X 1
$5.99
10
DOWEL PIN
$4.14
11
RETAINING RING
$11.07
12
RETAINING RING
$5.99
13
RETAINING RING
$4.06
14
WORM GEAR 30 T
$118.26
15
BEARING COVER
$19.48
16
DISCONNECT COLLAR
$16.40
17
TILLER HOUSING COVER
$42.06
18
OIL SEAL .5000 X .8750 X .2500
$10.92
19
OIL SEAL .750 SHF X 1.783
$11.43
21
GEAR HOUSING GASKET
$6.10
22
OIL SEAL 1.00 SHF X 2.00 BORE
$13.76
23
RUBBER OIL PLUG
$4.98
24
WHEEL DRIVE SPRING
$10.34
25
WIRE RING
$5.66
26
FLAT WASHER 1.500X1.750X.062 (Not Shown)
$3.71
27
FLAT WASHER 1.500X1.750X.005 (Not Shown)
$4.06
28
FLAT WASHER 1.500X1.750X.030 (Not Shown)
$4.06
29
FLAT WASHER 1.500X1.750X0.010
$4.06
30
WASHER 1.010X1.560X.060
$11.38
32
BEARING CONE
$14.32
33
BEARING CUP
$6.06
34
BALL BEARING
$22.96
35
LABEL (Not Serviceable)
N/A
36
TRANSMISSION COVER
$17.81
37
TRANSMISSION COVER
$16.47