Adapter Kit fits Cummins R2.8 Tremec TR4050

Adapter Kit fits Cummins R2.8 Tremec TR4050


In stock (can be backordered)

Bell housing adapter plate delete



In stock (can be backordered)


Adapter Kit fits Cummins R2.8 Tremec TR4050 This 2.8 adapter kit bolts the Cummins R2.8 to the HD Tremec TR4050.  This is not a complete installation kit but includes the everything needed to bolt the TR4050 to the Cummins R2.8.

The Tremec TR-4050 is a major upgrade in the 4×4 and off road market.  It was showcased along with our adapter solution in the Ultimate Adventure 2019 Petersen’s Scout driven by Trent McGee and Christian Hazel.

Some benefits include:

  • A torque rating of 600 LB-FT (based on a 15,000 GVWR),
  • 6.16 first gear, all gears synchronized,
  • 24.5″ long with 2.8 adapter kit bell.
  • Also directly bolts to a number of Chrysler Dodge Jeep manual transfer case boxes.  Perfect for your Cummins swap.
  • Off the shelf clutch kit that can be replaced at any auto parts store.

What is included with the Tremec TR4050 Cummins R2.8 adapter kit:

  • Bell housing kit fitting the Cummins R2.8 to the Tremec 4050
  • External slave cylinder.
  • HD clutch fork, pivot ball, and throw out bearing.
  • Modified Cummins flywheel with pilot bearing installed.

Additional Info:

We are available by phone, text, and email to answer any questions regarding this kit and other Cummins swap conversations.   As always we offer both Military as well as check, cash, or wire discounts.  If you are looking for the complete engine Transmission kit CLICK HERE.

Additional information

Weight70 lbs
Dimensions16 × 16 × 8 in

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