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Refer-
Name of Part
ence
12
Backstop Assembly
HOUSING
Air Vent
16
Housing Bolt
18
Adapter Housing Bolt
19
Washer
20
Lockwasher
22
Hex Nut
24
Dowel Pin
Pipe Plug
Magnetic Plug
30*
Input Shaft Bearing Shim Pack
.002" Thick
.005" Thick
.010" Thick
.025" Thick
32
Carrier and Cover Screws
33
Lockwasher
34
Backstop Cover
38
Backstop Cover Screw
39
Lockwasher
40*
Input Shaft with Pinion
44*
Input Shaft Brg.
Cone
45*
(Input Side)
Cup
46*
Input Shaft Brg.
Cone
47*
(Backstop Side)
Cup
OUTPUT HUB
ASSEMBLY
Taper Bushed
60*
Output
Hub Taper Bushed
62*
Output Gear
64*
Output Gear Key
72
Bushing Back-up Plate
74
Retaining Ring
Output Hub Seal Carrier (Input
76
Side)
77
Roll Pin
80*
Output Hub
Cone
81*
Bearing
Cup
82*
Output Hub Bearing Shim Pack
.002" Thick
.005" Thick
.010" Thick
.025" Thick
SEAL KIT *
36*
Backstop Cover Gasket
42*
Input Shaft Seal
78*
Output Hub Seal
RTV Sealant, Tube
Includes parts listed immediately below marked " ." HXT505A housing
assembly also includes a two-piece housing. Bushing assemblies include 2
bushings.
Parts marked " " make up the assemblies under which they are listed.
Not shown on drawing.
‡ One set consists of one each of the shims listed immediately below marked "†."
† See last paragraph under "ORDERING PARTS."
Table 5 — Manufacturers' Part Numbers
For Replacement Output Hub Bearings
TORQUE-ARM Reducer
Drive
Size
Part Number
HXT305A
HXT405A
HXT505A
No.
HXT305A
HXT405A
Req'd.
Part No.
Part No.
1
243102
244148
1
253165
254218
1
241237
241237
6
411440
411442
2
411442
411444
4
419094
419094
6
419012
419012
8
407089
407089
2
420055
420055
2
430031
430031
1
430060
430060
2‡
389723
389724
†
427853
254226
†
427854
254227
†
427855
254228
†
427856
254229
10
411390
411407
10
419010
419011
1
253175
254223
6
416524
411035
6
419007
419009
1
253141
254141
1
402190
402179
1
403132
403006
1
402271
402285
1
403101
403125
1
389703
389710
1
243556
244588
1
243570
244188
2
243216
244217
2
243308
244099
2
421109
421108
1
243547
244591
1
409022
409022
2
402272
402268
2
403127
403163
2‡
389706
389713
†
427849
244616
†
427850
244617
†
427851
244618
†
427852
244619
1
389726
389727
1
253176
254221
1
351123
355011
2
243578
244673
1
465044
465044
Output Hub Bearing
DODGE
Timken
Part Number
402272
LM814849
403127
LM814810
402268
498
403163
492A
402193
42381
403016
42584
HXT505A
Refer-
Name of Part
Part No.
ence
245154
255216
245237
411464
411466
419096
419013
407091
420110
84
BUSHING
430033
ASSEMBLY
430062
389725
427833
427834
427835
427836
411407
419011
86
Bushing Screw
255019
88
Lockwasher
411406
419009
255161
402270
403026
402266
403073
90
Key, Bushing
to Shaft
389717
245590
245186
355064
245114
421107
245592
Key, Bushing to Output Hub
409022
Key, Bushing to Output Hub
402193
TORQUE-ARM ASSEMBLY
403016
94
Rod End
389719
96
Hex Nut
427825
98
Tumbuckle
427826
100
Extension
427827
102
L.H. Hex Nut
427828
104
Fulcrum
389728
106
Fulcrum Screw
255020
110
Hex Nut
245546
ADAPTER ASSEMBLY
245545
112
R.H. Adapter Plate
465044
114
L.H. Adapter Plate
116
Adapter Bushing
118
Adapter Bolt
120
Lockwasher
122
Hex Nut
124
Motor Adapter
126
Adapter Screw
128
Lockwasher
*
Recommended spare parts
ß
On size HXT305A for 1
7
1
/
" bores; HXT505A for 1
8
λ
One size — HXT405A for 1
Requires 5 bolts.
Table 6 — Manufacturers' Part Numbers
For Replacement Input Shaft Bearings
TORQUE-ARM
Reducer
Size
HXT305A
HXT405A
HXT505A
6
No.
HXT305A
Req'd.
Part No.
5
1
/
" Bore
1
243282
16
3
1
/
" Bore
1
243284
8
7
1
/
" Bore
1
243260
16
1½" Bore
1
243262
5
1
/
" Bore
1
243264
8
11
1
/
" Bore
1
243268
16
1¾" Bore
1
243266
7
1
/
" Bore
1
243270
8
15
1
/
" Bore
1
243272
16
2" Bore
1
243274
1
2
/
" Bore
1
......
8
3
2
/
" Bore
1
243276
16
2¼" Bore
1
......
7
2
/
" Bore
1
......
16
2½" Bore
1
......
11
2
/
" Bore
1
......
16
15
2
/
" Bore
1
......
16
6
411407
6
419011
5
1
/
" Bore
1
443264
16
3
1
/
" Bore
1
443264
8
7
1
/
" Bore
1
443265
16
1½" Bore
1
443265
5
1
/
" Bore
1
443265
8
11
1
/
" Bore
1
443266
16
1¾" Bore
1
443266
7
1
/
" Bore
1
443267
8
15
1
/
" Bore
1
443269
16
2" Bore
1
443268
1
2
/
" Bore
1
......
8
3
2
/
" Bore
1
443270
16
2¼" Bore
1
......
7
2
/
" Bore
1
......
16
2½" Bore
1
......
11
2
/
" Bore
1
......
16
15
2
/
" Bore
1
......
16
1ß
443262
......
1λ
1
243097
1
243245
1
407095
1
243246
1
243247
1
407244
1
243249
1
411484
1
407093
1
259153
1
243242
1
243241
1
243243
1
411437
1
419012
1
407089
1
253142
4
417081
4
419046
5
/
" thru 1¾" bores; HXT405A for 1
16
7
/
" thru 2¼" bores.
8
15
/
" bores and 2" bores.
16
Input Bearing Input Side
Input Bearing Adapter Side
DODGE Part
Timken Part
DODGE Part
No.
No.
402190
LM603048
402271
403132
LM603011
403101
402179
368
402285
403006
362A
403125
402270
45289
402266
403026
45220
403073
HXT405A
HXT505A
Part No.
Part No.
......
......
......
......
244079
......
244081
......
244083
......
244085
......
244087
......
244089
245084
244093
245086
244095
245088
244109
......
244111
245090
244113
245092
244115
245094
......
245099
......
245110
......
245112
411408
411435
419011
419012
......
......
......
......
443254
......
443254
......
443254
......
443254
......
443254
......
443255
443251
443255
443251
443255
443251
443258
......
443259
443251
443260
443251
443261
443243
......
443244
......
443245
......
443250
443257
443202
443256
......
245097
245097
245245
245245
407097
407097
245246
245246
245247
245247
407246
407246
246249
246249
411484
411484
407093
407093
259154
259155
244244
245242
244243
245241
245243
245243
411460
411460
419013
419013
407091
407091
254142
255162
417108
417108
419047
419047
7
/
" thru
18
Timken Part
No.
No.
02872
02820
339
332
350A
352
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