• Cummins 4BT3.9
  • Cummins 4BT3.9
  • Cummins 4BT3.9
  • Cummins 4BT3.9
  • Cummins 4BT3.9
  • Cummins 4BT3.9
  • Cummins 4BT3.9
  • Cummins 4BT3.9

Cummins 4BT3.9 machinery diesel engines water cooled 4 cylinder 4 stroke engine assembly

Our Cummins 4BT3.9 remanufactured long block engine is a professional-grade replacement unit built from genuine Cummins core components, featuring a complete reassembly with new pistons, rings, bearings, gaskets, and seals, precisely machined to OEM tolerances for bore diameter, crankshaft journal alignment, and cylinder head flatness, and it is 100% dyno tested for oil pressure, compression balance, and leak-free operation, making it a reliable power solution for step vans, delivery trucks, skid steer loaders, forklifts, air compressors, and irrigation pumps that require the legendary 3.9L four-cylinder diesel durability with improved reliability compared to high-mileage core rebuilding.
  • Cummins 4BT3.9
  • Cummins 4BT3.9
  • Cummins 4BT3.9
  • Cummins 4BT3.9

4BT3.9-C60

4BT3.9-C80

4BT3.9-C100

Cyl No. and Arrangement

4-Cyl in-line

Bore/Stroke(mm)

102/120

Air-intake way

Turbo charged cooling

Combustion system

Direct injection

Cooling way

Water-cooled

Displacement(L)

3.9

Max.Torque(N.m)

220

300

380

Power(kw)

45

60

75

Power(hp)

60

80

100

Speed(rpm)

2500

Net Weight(kg)

340

Weight(kg)

370

Dimension(L*W*H/cm)

70*60*80

Application:

construction machinery / generator set / mining equiment / water pump / truck

Certification

ISO9001:2000

Warranty

12 Months / 1000 Hours

Quality Control

The engines have been rigorously tested

Payment

T/T, Western Union, Alibaba online payment.

Service

Guidance on product issues through online and video support

The price varies based on configu-ration, serial number, and part quality. For an accurate quote, contact a supplier with your specific engine serial number ornameplate.

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