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Camshaft Quick Identification Guide |
CAUTION! The items in this catalog are listed for use only in the
applications and interchanges that appear in the catalog. Other use could
result in property damage or serious personal injury. Always refer to the
vehicle, trailer, or component manufacturer's service manual when performing
vehicle maintenance.
NOTE: The data listed herein is correct to the best of our knowledge and
belief, having been compiled from reliable and official sources of information.
However, we cannot assume any responsibility for possible errors.
If any errors are found, or you have suggestions on ways to improve future
catalogs, we want to hear from you. Please complete the Catalog Comment
Form in the back of this catalog. Thank you for your assistance. |
How to use this Quick Identification Guide |
- Measure camshaft length. Measure from under the cam head to the beginning of the lock ring groove.
- Locate camshaft length in the Camshaft Quick Identification Guide. Camshafts are listed in order of length, from shortest to
longest.
- After finding camshafts in the Cam Length column, determine camshaft head style, using the Head Styles chart and head width
dimensions.
- Narrow your final selection by Diameter at Spline End and Number of Splines, Diameter at Spider and any other information listed.
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These graphics are for identification purposes only. Dimensions in actual camshafts may vary slightly. |
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Cam
Length |
Head Style |
Diameter at Spline End & No. of
Spline |
Diameter at Spider |
Spicer Part Number |
Side |
Axle
Type |
Brake
Manufacturer |
Brake
Size |
Notes |
249.238 |
G |
31.75 |
10 |
31.75 |
18-948 18-949 |
RH, LH |
S |
Rockwell |
381.0 |
''T'' Series Brake; New Style S-Head |
250.825 |
B |
38.1 |
28 |
38.1 |
18-672 18-673 |
RH ,LH |
D |
Spicer |
419.1 |
''XL'' and ''XLII'' Brakes; 5'' 6''
and 7'' Brakes |
250.825 |
J |
31.75 |
10 |
31.75 |
18-976 18-977 |
RH, LH |
S |
Eaton |
381.0 |
Extended Service Brake (ES'')
Single Anchor Pin (SAP) |
252.413 |
G |
31.75 |
24 |
31.75 |
18-908 18-909 |
RH ,LH |
S |
Rockwell |
381.0 |
''Q'' Brake; 2'' Offset Backing
Plate |
258.763 |
A |
38.1 |
10 |
38.1 |
18-732 18-733 |
RH LH |
D |
Eaton |
419.1 |
|
258.763 |
B |
38.1 |
28 |
38.1 |
18-930 18-931 |
RH ,LH |
D |
Rockwell |
419.1 |
''Q Plus'' Brake |
260.35 |
A |
38.1 |
28 |
38.1 |
18-710 18-711 |
RH, LH |
D |
Rockwell |
419.1 |
|
260.35 |
A |
38.1 |
10 |
38.1 |
18-784 18-785 |
RH, LH |
D |
Rockwell |
419.1 |
|
264.319 |
B |
38.1 |
28 |
38.1 |
18-510 18-511 |
RH, LH |
D |
Rockwell |
419.1 |
'' Q Plus '' Brake |
265.906 |
A |
38.1 |
28 |
38.1 |
18-648 18-649 |
RH, LH |
D |
Spicer |
419.1 |
5'', 6'' and 7'' Brakes |
265.906 |
B |
38.1 |
28 |
38.1 |
18-674 18-675 |
RH, LH |
D |
Spicer |
419.1 |
''XL'' and XLII'' Brakes; 5'' 6''
and 7'' Brakes |
266.7 |
B |
38.1 |
28 |
38.1 |
18-512 18-513 |
RH, LH |
D |
Rockwell |
419.1 |
''Q Plus'' Brake |
266.7 |
A |
38.1 |
10 |
38.1 |
18-734 18-735 |
RH, LH |
D |
Eaton |
419.1 |
|
266.7 |
A |
38.1 |
28 |
38.1 |
18-826 18-827 |
RH, LH |
D |
Rockwell |
419.1 |
|
268.288 |
A |
38.1 |
10 |
38.1 |
18-806 18-807 |
RH ,LH |
D |
Rockwell |
419.1 |
|
268.288 |
B |
38.1 |
10 |
38.1 |
18-982 18-983 |
RH, LH |
D |
Rockwell |
419.1 |
Extended Service Brake (ES) |
271.463 |
A |
31.75 |
10 |
31.75 |
18-634 18-635 |
RH, LH |
S |
Spicer |
381.0 |
|
276.225 |
A |
38.1 |
28 |
38.1 |
18-828 18-829 |
RH, LH |
D |
Rockwell |
419.1 |
|
277.019 |
I |
31.75 |
10 |
31.75 |
18-776 18-777 |
RH, LH |
S |
Eaton |
381.0 |
Single Anchor Pin (SAP) |
277.019 |
J |
31.75 |
10 |
31.75 |
18-978 18-979 |
RH, LH |
S |
Eaton |
381.0 |
Extended Service Brake
(ES'')
Single Anchor Pin (SAP) |
277.813 |
B |
38.1 |
28 |
38.1 |
18-547 18-515 |
RH, LH |
D |
Rockwell |
419.1 |
''Q Plus'' Brake |
281.781 |
A |
38.1 |
28 |
38.1 |
17-11055 17-11056 |
RH, LH |
T |
Intraax |
419.1 |
|
282.575 |
B |
38.1 |
28 |
38.1 |
18-516 18-517 |
RH, LH |
D |
Rockwell |
419.1 |
''Q Plus'' Brake |
282.575 |
A |
38.1 |
10 |
38.1 |
18-736 18-737 |
RH LH |
D |
Eaton |
419.1 |
|
282.575 |
I |
31.75 |
10 |
31.75 |
18-778 18-779 |
RH, LH |
S |
Eaton |
381.0 |
Single Anchor Pin (SAP) |
282.575 |
A |
38.1 |
28 |
38.1 |
18-798 18-799 |
RH, LH |
D |
Rockwell |
419.1 |
|
282.575 |
J |
31.75 |
10 |
31.75 |
18-980 18-981 |
RH ,LH |
S |
Eaton |
381.0 |
Extended Service Brake
(ES'')
Single Anchor Pin (SAP) |
284.163 |
A |
38.1 |
28 |
38.1 |
18-650 18-651 |
RH, LH |
D |
Spicer |
419.1 |
5'', 6'' and 7'' Brakes |
284.163 |
B |
38.1 |
28 |
38.1 |
18-676 18-677 |
RH ,LH |
D |
Spicer |
419.1 |
''XL'' and XLII'' Brakes; 5'' 6''
and 7'' Brakes |
284.75 |
A |
38.1 |
28 |
38.1 |
18-830 18-831 |
RH, LH |
D |
Rockwell |
419.1 |
|
286.544 |
A |
38.1 |
10 |
38.1 |
18-808 18-809 |
RH ,LH |
D |
Rockwell |
419.1 |
|
292.1 |
A |
38.1 |
28 |
38.1 |
18-652 18-653 |
RH, LH |
D |
Spicer |
419.1 |
5'', 6'' and 7'' Brakes |
292.1 |
A |
38.1 |
10 |
38.1 |
18-738 18-739 |
RH ,LH |
D |
Eaton |
419.1 |
|
292.1 |
A |
38.1 |
10 |
38.1 |
18-810 18-811 |
RH, LH |
D |
Rockwell |
419.1 |
|
292.1 |
A |
38.1 |
28 |
38.1 |
18-832 18-833 |
RH, LH |
D |
Rockwell |
419.1 |
|
292.1 |
B |
38.1 |
10 |
38.1 |
18-942 18-943 |
RH ,LH |
D |
Eaton |
419.1 |
Extended Service Brake (ES) |
293.688 |
B |
38.1 |
28 |
38.1 |
18-518 18-519 |
RH, LH |
D |
Rockwell |
419.1 |
''Q Plus'' Brake |
295.275 |
A |
38.1 |
28 |
38.1 |
18-866 18-867 |
RH, LH |
D |
Rockwell |
419.1 |
|
296.863 |
B |
38.1 |
28 |
38.1 |
18-520 18-521 |
RH, LH |
D |
Rockwell |
419.1 |
''Q Plus'' Brake |
298.45 |
A |
38.1 |
10 |
38.1 |
18-786 18-787 |
RH, LH |
D |
Rockwell |
419.1 |
|
298.45 |
F |
38.1 |
10 |
38.1 |
18-886 18-887 |
RH ,LH |
S |
Rockwell |
381.0 |
''T'' Series Brake |
*Axle Type: S = Steer, D = Drive, T = Trailer |
All Images and Brand Names are for Reference only |
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