51
TRANSMISSION – LEFT AND RIGHT
Model All
Description
QtyHydro-Gear No.
BOM ID
1
72026 1
KIT, HOUSING, MAIN, LH, CHRG, CNTL
2
71992 1
KIT, HOUSING, SIDE, LH
7
53246 16
HFHCS 1/4-20 X 1.25
10
51804 3
O-RING-111 .103 X .424
11
9005110-5600
1
PLUG 9/16-18 (METAL)
23
52114 1
FILTER, OIL
30
51626 1
SEAL, LIP .375 X .75 X .25
31
51628
1
RING, RET .375 EXTERNAL
32
52136
1
ROD, BYPASS
33
51627 1
RING, RET .750 INTERNAL
34
52370 1
ARM, BYPASS
35
51630
1
RING, RTNG .375 EXT
40
51048 1
TRUNNION, SWASHPLATE
4
9005200-5600
1
PLUG, 9/16-18 (PLASTIC)
Ariens No.
If an Ariens part number is not listed next to a Hydro-Gear number, source the part from your local Hydro-Gear distributor.
13
21543771
50928 1
SEALANT
14
70.3oz
OIL, 15W50 SYNTHETIC MOTOR OIL (GRAVELY #00057100) OR EQUIVALENT
41
51140 1
SEAL, LIP 18 X 32 X 7
45
44130
1
WASHER .34 X .88 X .06
55
50951 1
WASHER 1.23 X 1.56 X .04
56
51161 1
SEAL, LIP 17 X 40 X 7
57
50329 1
RING, RET 2.06 INT
60
51462 1
BEARING, THRUST
64
71579 1
ASS'Y, CYLINDER BLOCK, 16cc
65
53502 1
BRG, THRUST BALL 30 X 52 X 13
69
71971 1
ASS'Y, BLOCK, 7 PISTON
70
44371
1
WASHER .63 X 1.00 X .05
71
44145
1
RING, RET .62 EXT
72
52342 1
GEAR, 13T, STEEL
73
52150
1
SHAFT, MOTOR
74
51069
1
WASHER .72 X 1.16 X .04
80
50132 2
WASHER .5 X 1.0 X .03
81
52343 1
GEAR, 46T
82
52586 1
GEAR, 11T, STEEL
83
51083 1
JACK SHAFT (PIN)
50
2003014 1
SPRING, BLOCK
51
2003017 1
WASHER-FLAT .59 x .79 x .04
21545100
21543845
08622500
21543848
21543783
21543809
08609400
21543773
21543816
21543741
21543724
Description
QtyHydro-Gear No.
BOM ID
Ariens No.
157
53696 1
SEAL, LIP .281 x .420 x .16
105
50752 3
SCREW, HEX FLANGE 1/4-20 x .625
102
71958 1
KIT, HANDLE ACTUATING
103
52027 1
CLIP, RETAINING
106
53644 1
GUARD, FILTER, LH
130
52157 2
TUBE, CONNECTING
200
71976
1
KIT, SEAL
KIT, CENTER SECTION, LH, CHRG
171973
201
KIT, CHARGE PUMP
171977
203
KIT, FAN & PULLEY
171900
207
HUB PULLER, 5 BOLT
171784
209
KIT, INPUT SHAFT
171978
210
KIT, RTN, BIDIRECTIONAL
171592
211
202
71436 1
KIT, CHARGE RELIEF
90
50859 1
RING, RET 2.06 INT
91
52108 1
GEAR, 54T
92
53336 1
SPACER .75 x 1.32 x .257
93
53071 1
BEARING, BALL .75 X 40 X 12
95
53656 1
BRG, BALL 1.0 x .52 x .15 OPEN 6205M
96
53699 1
SEAL, LIP TC4 1.0 x 2.06 x .38
97
71691 1
KIT, HUB, 5 BOLT
100
52766 1
PAWL, BRAKE
101
53539 1
SHAFT, BRAKE
ARM, NEUTRAL LEFT
141
51946 1
140
SPACER .320 x 1.005 x .179
52527 1
142
51616 1
SHCS 5/16-24 x 1.00 (PATCH)
146
51950 1
WASHER, .343 x 1.500 x .062
147
51833 1
SPRING, EXTENSION RTN-34LBS
94
53528 1
SHAFT, AXLE
159
53483 1
SPRING, TORSION CW
164
53514 1
SPACER, 1.719 x 2.039 x .021
158
51100 1
MAGNET, RING
08614000
08614300
21543871
21544001
21544001
LEFT TRANSMISSION
Description
QtyHydro-Gear No.
BOM ID
1
72025 1
KIT, HOUSING, MAIN, RH, CHRG, CNTL
2
71990
1
KIT, HOUSING, SIDE, RH
7
53246 16
HFHCS 1/4-20 X 1.25
10
51804 3
O-RING-111 .103 X .424
11
9005110-5600
1
PLUG 9/16-18 (METAL)
23
52114 1
FILTER, OIL
30
51626 1
SEAL, LIP .375 X .75 X .25
31
51628 1
RING, RET .375 EXTERNAL
32
52136
1
ROD, BYPASS
33
51627 1
RING, RET .750 INTERNAL
34
51910 1
ARM, BYPASS
35
51630 1
RING, RTNG .375 EXT
40
51048
1
TRUNNION, SWASHPLATE
4
9005200-5600
1
PLUG, 9/16-18 (PLASTIC)
Ariens No.
13 21543771
50928
1
SEALANT
14
70.3oz
41
51140 1
SEAL, LIP 18 X 32 X 7
45
44130
1
WASHER .34 X .88 X .06
55
50951 1
WASHER 1.23 X 1.56 X .04
56
51161 1
SEAL, LIP 17 X 40 X 7
57
50329 1
RING, RET 2.06 INT
60
51462 1
BEARING, THRUST
64
71579 1
ASS'Y, CYLINDER BLOCK, 16cc
65
53502 1
BRG, THRUST BALL 30 X 52 X 13
69
71971 1
ASS'Y, BLOCK, 7 PISTON
70
44371
1
WASHER .63 X 1.00 X .05
71
44145
1
RING, RET .62 EXT
72
52342 1
GEAR, 13T, STEEL
73
52150
1
SHAFT, MOTOR
74
51069
1
WASHER .72 X 1.16 X .04
80
50132
2
WASHER .5 X 1.0 X .03
81
52343 1
GEAR, 46T
82
52586 1
GEAR, 11T, STEEL
83
51083 1
JACK SHAFT (PIN)
50
2003014 1
SPRING, BLOCK
51
2003017 1
WASHER-FLAT .59 x .79 x .04
21545100
21543845
08622500
21543848
21543783
21543809
08609400
21543773
21543816
21543741
21543724
Description
QtyHydro-Gear No.
BOM ID
Ariens No.
156
53088 1
CAP, AXLE
157
53696 1
SEAL, LIP .281 x .420 x .16
105
50752 3
SCREW, HEX FLANGE 1/4-20 x .625
102
71957 1
KIT, HANDLE ACTUATING
103
52027 1
CLIP, RETAINING
106
53655 1
GUARD, FILTER, RH
130
52157 2
TUBE, CONNECTING
200
71976
1
KIT, SEAL
KIT, CENTER SECTION, RH, CHRG
171972
201
KIT, CHARGE PUMP
171977
203
KIT, FAN & PULLEY
171900
207
HUB PULLER, 5 BOLT
171784
209
KIT, INPUT SHAFT
171837
210
KIT, RTN, BIDIRECTIONAL
171588
211
202
71436 1
KIT, CHARGE RELIEF
90
50859 1
RING, RET 2.06 INT
91
52108 1
GEAR, 54T
92
53336 1
SPACER .75 x 1.32 x .257
93
53071 1
BEARING, BALL .75 X 40 X 12
95
53656 1
BRG, BALL 1.0 x .52 x .15 OPEN 6205M
96
53699 1
SEAL, LIP TC4 1.0 x 2.06 x .38
97
71691 1
KIT, HUB, 5 BOLT
100
52766 1
PAWL, BRAKE
101
53539 1
SHAFT, BRAKE
ARM, NEUTRAL RIGHT
141
51945 1
140
SPACER .320 x 1.005 x .179
52527 1
142
51616 1
SHCS 5/16-24 x 1.00 (PATCH)
146
51950 1
WASHER, .343 x 1.500 x .062
147
51833 1
SPRING, EXTENSION RTN-34LBS
94
53528 1
SHAFT, AXLE
159
53429 1
SPRING, TORSION CCW
164
53514 1
SPACER, 1.719 x 2.039 x .021
158
51100 1
MAGNET, RING
08614000
08614300
21543871
21544001
21544001
RIGHT TRANSMISSON
OIL, 15W50 SYNTHETIC MOTOR OIL (GRAVELY #00057100) OR EQUIVALENT