NHTSA ID Number: 10182842
Manufacturer Communication Number: MERITOR
170-250
TSB/Document Date: 2020-11-23
Summary
The Meritor 170 and 250 style replacement U-joints HELP REDUCE MAINTENANCE COSTS AND
7.63"
7.63"
7.63"
7.63"
7.63"
7.63"
F
F
F
G
F
F
DEFR41-1
DEFR28-3
DEFR41-1
DEFR41-1
CB210207-1X
CB310007-1X
GCB210084-2X
GCB210130-1X
GCB210207-1X
GCB310007-1X
2.81"
2.81"
2.81"
1.19"
1.19"
1.19"
7.63"
7.63"
7.63"
F
F
F
8.63"
8.63"
8.63"
8.63"
8.63"
F
F
F
155N and 16N SERIES
1.7717"/1.7712"
1.7717"/1.7712"
1.7717"/1.7712"
1.7717"/1.7712"
1.7717"/1.7712"
1.7717"/1.7712"
DEFR41-1
DEFR28-3
17N SERIES
1.9685"/1.9680"
1.9685"/1.9680"
1.9685"/1.9680"
CB210121-1XSA
GCB210121-1X
GCB310014-1X
1
DEFR35-1
1
DEFR55-1
DEFR55-1
CB210661-1XSA
CB310015-1X
GCB210661-1X
GCB310013-1X
GCB310015-1X
DEFR37-1
DEFR37-1
CB210391-1X
DEFR35-1
176N and 17N (HEAVY DUTY) and 18N SERIES
2.3622"/2.3616"
2.3622"/2.3616"
2.3622"/2.3616"
2.3622"/2.3616"
2.3622"/2.3616"
3.38"
3.38"
3.38"
3.38"
3.38"
1.41"
1.41"
1.41"
1.41"
1.41"
F
131N and 135N and 141N and 148N and 155N and 62N SERIES
1.5748"/1.5743"
2.47"
1.06"
6.63"
F
11
1 Self aligning center bearing. Deflectors not needed.
U.S. 888-724-9355
Canada 800-387-3889
11-5
CENTER BEARINGS - TYPE 3-ROUND WITH MOUNTING BRACKET
Bearing I.D. Max./Min.
Height
Width
Mounting Holes (Center to
Center)
3.56"
.63"
1.50"
CB210527X
3.56"
.63"
1.50"
GCB210527X
Part Number
1280 and 131N SERIES
1.1811"/1.1807"
131N SERIES
1.1811"/1.1807"
11-6
U.S. 888-724-9355
Canada 800-387-3889
SECTION 12
INDEX
C.V. Components and P.T.O. Assemblies
Page
131N SERIES AUXILIARY POWER TAKE-OFF
Unwelded Driveshaft Assembly .............................................12-10
131N SERIES AUXILIARY POWER TAKE-OFF KIT
131N Series Auxiliary Power Take-Off Kit .............................12-10
BALL STUD WELD YOKES
Inside Snap Ring....................................................................12-8
Outside Snap Ring.................................................................12-9
C.V. CENTERING YOKES
C.V. Centering Yokes ............................................................12-6
C.V. HEAD ASSEMBLIES
C.V. Head Assemblies ...........................................................12-4
Component Part Numbers .....................................................12-5
DOUBLE CENTER YOKES
Inside Snap Ring...................................................................12-5
Outside Snap Ring.................................................................12-5
FLANGE YOKES
Double Cardan C.V. Head - Style 1 and 2 .............................12-6
Double Cardan C.V. Head - Style 3 .......................................12-7
SPLINE PLUG SHAFT
For Auxiliary Power Take-Off .................................................12-9
12
UNWELDED C.V. SHAFT ASSEMBLIES
Component Part Numbers .....................................................12-2
Unwelded C.V. Shaft Assemblies ..........................................12-1
WELDED AND BALANCED C.V. SHAFT
ASSEMBLIES
Component Part Numbers .....................................................12-3
12-i
UNWELDED C.V. SHAFT ASSEMBLIES
Yoke & Spline Plug Shaft Assy.
Maximum
Length
Extended
Maximum
Length
Compressed
Tubing
C.V. and Tube
Length
Maximum
Length
Minimum
Length
Style
48.66"
50.28"
2.50" x .065"
2.50" x .065"
38.00"
39.63"
14.91"
14.91"
10.66"
10.66"
7
6
R919990-3400
R919976-3400
37.84"
39.19"
2.00" x .120"
2.50" x .083"
30.13"
30.13"
10.81"
12.16"
7.72"
9.06"
1
1
R909365-2600
R909363-2600
38.75"
2.50" x .083"
30.13"
12.78"
8.63"
1
R911818-2600
C.V. Shaft Assembly
121N SERIES
52.91"
54.53"
131N SERIES
40.94"
42.28"
133N SERIES
42.91"
12
U.S. 888-724-9355
Canada 800-387-3889
12-1
UNWELDED C.V. SHAFT ASSEMBLIES COMPONENT PART NUMBERS
Flange Yoke
121N SERIES
121N-2-1049
121N-2-1049
131N SERIES
Slip Yoke (1)
Spline Plug
C.V. Head
Assy.
Tubing
Style
C.V. Shaft Assembly
2.50" x .065"
2.50" x .065"
6
7
R919976-3400
R919990-3400
2.00" x .120"
2.50" x .083"
1
1
R909365-2600
R909363-2600
2.50" x .083"
1
R911818-2600
U-JOINT KIT: CP443X
121N-3-8961KX
121N-3-8961KX
R280196
R280196
121N-40-2301
121N-40-2301
U-JOINT KIT: CP153X
131N-3-8001KX
131N-3-8021KX
133N SERIES
Dust Cap
R280194
R280194
131N-40-1701
131N-40-1851
R912777
R912747
U-JOINT KIT: CP1204X
133N-3-8041KX
R280194
131N-40-1851
(1) Includes dust cap.
12-2
U.S. 888-724-9355
Canada 800-387-3889
WELDED AND BALANCED C.V. SHAFT ASSEMBLIES
COMPONENT PART NUMBERS
Flange Yoke
121N SERIES
121N-2-1050
131N SERIES
Slip Yoke
Dust Cap
Spline Plug
C.V. Head
Assembly
Tubing
Style
C.V. Shaft Assembly
2.50" x .065"
5
R914156-1324W
2.00" x .120"
2.00" x .120"
2.00" x .120"
3
3
4
R903862-1409W
R903862-1602W
R912170-1511W
U-JOINT KIT: CP443X
121N-3-8961KX
R280196
121N-40-2301
U-JOINT KIT: CP153X
131N-3-8001KX
131N-3-8001KX
131N-3-8001KX
R280194
R280194
R280194
131N-40-1701
131N-40-1701
131N-40-1701
R912777
R912777
R912286
12
U.S. 888-724-9355
Canada 800-387-3889
12-3
C.V. HEAD ASSEMBLIES
Overall
Length
CL to CL
CL to Point of Center
of Weld
Yoke
3R SERIES
6.563"
12-4
Bolt Hole
Spacing
Across Yoke
Bolt Hole
Spacing
Across Ears
C.V. Head
Assembly
Bolt Hole Size
Style
.453"-
2
4137268
.313"-24
.313"-24
1
1
R912777
R912747
U-JOINT KIT: CP3147X
1.625"
131N SERIES
4.094"
4.125"
Butt Dia.
Bolt Circle
Dia.
1.438"
1.438"
3.250"
1.766"
4.25"
U-JOINT KIT: CP153X
2.688"
2.688"
1.766"
2.344"
2.344"
2.344"
1.50"
1.50"
U.S. 888-724-9355
Canada 800-387-3889
C.V. HEAD ASSEMBLIES COMPONENT PART NUMBERS
Ball Stud Yoke
3R SERIES
R3R-28-869
131N SERIES
131N-28-2957X
131N-28-2947X
Center Yoke "H" Type
Centering Yoke
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TSB/Document ID: MERITOR 170-250
Replacement Service Bulletin Number:
MFR Communication Date: 2011-11-01
MFR Internal Campaign ID/Software Version:
Communication Type: Service Bulletin/Repair Instructions
NHTSA Components: EQUIPMENT
MFR Component System:
MFR Component Subsystem:
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