Engine Crankshaft for Cummins 4-390 & 4T-390 Engines

Fits Models At A Glance:

• Case Backhoes:
  480E, 480ELL, 480F, 480FLL, 580 Super E, 580K, 580 Super K, 580L, 580 Super L, 580M (Series I), 580 Super M (Series I), 590 Turbo, 590 Super L, 590 Super M (Series I)

• Loader / Landscapers:
  570LXT, 570MXT, New Holland LV80, U80

• Dozers:
  450C, 455C, 550, 550E, 550G, 550H, 650, 650G, 650H, 650K, 750H, 750K, 850K

• Skid-Steer Loaders:
  40XT, 60XT, 70XT, 75XT, 85XT, 90XT, 95XT, 1840, 1845C

• Excavators:
  CX130, CX160, 1088, 688C, 9010, 9010B, 9020B

• Wheel Loaders:
  W11B, 521D

• Forklifts:
  584E, 585E, 585G, 586E, 586G, 588G

• Tractors:
  1800, 1822, 2022, 2044, 5220

• Trenchers / Handlers:
  660, 760, 686G

Key Notes:

• Engine Compatibility:
  Cummins 4-390 and 4T-390 4-cylinder diesel engines

• Engine Type:
  Fits turbo and non-turbo applications

• Application:
  Engine crankshaft converting piston motion into rotational output

• Condition:
  Brand new crankshaft — not welded or remanufactured

• Material:
  Forged steel

• Function:
  Transfers combustion force through the drivetrain under heavy load

• Part Numbers (Interchange):
  J916190, J929027, J929036, J904483, 3907803, K3907803X

• Weight:
  95 lbs (43.1 kg)

• Notes:
  Verify engine model and serial range prior to installation

Why Choose Broken Tractor:

• ✅ Broad Equipment Coverage:

  • Verified across Case construction, industrial, and ag equipment

• ✅ Built for High-Load Diesel Engines:

  • Forged steel crankshaft engineered for Cummins durability standards

• ✅ Fast Shipping from a U.S.-Based Team:

  • Reduce downtime with dependable in-stock engine components