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Section 10: Drivetrain

Complete drivetrain system documentation for the Jeep LJ build.

Contents

Section Component Description
10.1 Transmission ZF 8HP70 (845RE), 8-speed automatic
10.2 Transfer Case NP241OR Rock-Trac (TJ Rubicon), 4:1 low range
10.3 Driveshafts Front and rear driveshafts
10.4 Front Axle TJ Rubicon Dana 44, ARB RD116 locker, RCV axle shafts
10.5 Rear Axle TJ Rubicon Dana 44, ARB RD116 locker
10.6 Suspension ORI struts - 14" front, 16" rear
10.7 Steering PSC full hydraulic steering

System Overview

Axles:

  • Front: TJ Rubicon Dana 44 with ARB RD116 air locker, RCV Performance axle shafts
  • Rear: TJ Rubicon Dana 44 with ARB RD116 air locker

Drivetrain:

  • Transmission: ZF 8HP70 (845RE) - 8-speed automatic from 2015-2019 RAM 1500 EcoDiesel 4x4
  • Transfer Case: NP241OR Rock-Trac (TJ Rubicon) - 4:1 low range
  • Front Driveshaft: TBD
  • Rear Driveshaft: TBD

Suspension:

  • Wheelbase: 110.5" (stretched ~7" from stock 103.4")
  • Front: ORI 14" bypass struts
  • Rear: ORI 16" bypass struts

Steering:

  • PSC Motorsports full hydraulic steering

Outstanding Items

  • Document driveshaft specifications