Rockwell Differentials

Rockwell differential Meritor RS23160Thousands of differentials in stock! Ready for immediate shipment. Call us today, receive your item tomorrow. We have a full line of Rockwell differentials available. We also stock replacement parts for all differential models, kits, rebuild kits, and more. Differential and parts available for all Rockwell models. We have been successfully delivering differentials, transmissions, transfer cases, axles, PTOs and more truck parts for over 20 years and offer a one-year unlimited mileage warranty on all rebuilt differentials we sell! Whatever model you need, contact us at 877-776-4600, and we can locate it for you.

Rebuilt Rockwell Differential Models Available:

Single Speed Differential

  • F106
  • R170
  • RS20145
  • RS23160

Two Speed Differential (with or without diff lock)

  • RS15210
  • RS17220
  • RS 15-120 S/A
  • RS 23-160 S/A
  • RS21230
  • RS 13-120 S/A
  • RS 17-140 S/A

Front Differential Axle

  • SQHD
  • SQ100
  • SQ100-P
  • SSHD
  • RT40-145
  • RD20145
  • RDL20145
  • RPL20145
  • SQHP
  • RT46-160
  • RD23160
  • RDL20145
  • RP20145
  • RDL23-160
  • RP23-160
  • RPL23160

Rear Axle Differential

  • SQHP
  • SQAR
  • SQHD
  • SQ100
  • SSHD
  • RT-40-145
  • RR20145
  • RRL20145
  • RR23160
  • RRL23160
  • RT46-160

For assistance identifying the individual parts for your differential, view or download differential manuals and parts lists visit our manuals page. See images below for assistance in identifying your ring & pinion, click the images for a larger view:

How to identify your Rockwell ring and pinion

Some unit’s numbers are located on the edge of the ring gear.

identifying your Rockwell differential

Retreive these stamped numbers inside of ring gear holes, between bolt holes.

How to identify your differential

Take note of the stamped numbers off the end of the pinion where the nut goes on. The tooth count is used for determining the ratio.

Rockwell Differential Assembly:

  • 132-C
  • 145
  • 145R
  • 5800W
  • Centruty Class 120
  • D100
  • D140
  • FLC112SD
  • H150
  • H170
  • H172
  • L9000
  • LN8000
  • MD20143
  • MR20143M
  • R200
  • RH23160
  • RS16145
  • RS17140
  • RS17145
  • RS19145
  • RS21145
  • RS23161
  • RS23180
  • RS23186
  • RSL23160
  • RSL23180
  • SQHS
  • SQR100
  • U200
  • RT52185

This is just a few Rockwell Differentials and axle housing’s we carry for trucks and equipment of all brands including Kenworth, Peterbilt, Freightliner, Mack, Western Star, International, GMC, Ford and Sterling Trucks. we also stock all Ratio ring and pinion gears.

Rockwell Differentials with or without lube pump: RD20-145, RR20-145 (RS21-145), RD20-145

WITH LOCK RR20-145 (RS21-145),  RS15-120, RS21-230, RD23-160, RS23-160, RS23-240

Give us a call we will be happy to assist you.

Call Today!

Call today, receive your Rockwell differential tomorrow!