4BT Cummins Specs
The Cummins 4bt is essentially a 5.9L 12v Cummins with 2 cylinders removed. This 3.9L, 4 cylinder, inline diesel was commonly used in commercial van applications. Generous amounts of torque in a small package make the 4bt common for engine swaps in Jeeps & small trucks/suvs.
Cummins 4BT Specifications:
Engine Name: |
Cummins B3.9L/4BT |
Applications: |
Chevrolet Step Vans, Commercial applications |
Configuration: |
Inline 4-cylinder diesel |
Displacement: |
3.9L, 239 cubic inches |
Bore: |
4.02 inches |
Stroke: |
4.72 inches |
Compression Ratio: |
17.5:1 |
Aspiration: |
Turbocharged, non-intercooled |
Engine Weight: |
745 - 782 lbs |
Oil Capacity: |
10 quarts |
Horsepower: |
105 hp @ 2,300 RPM * |
Torque: |
265 lb-ft @ 1,600 RPM * |
GVWR: |
16,000 lbs |
*Common rating, though horsepower & torque ratings may vary by application.
Cummins 4BT Dimensions:
Length: |
30.6 inches |
Width: |
24.6 inches |
Height: |
37.7 inches |
Cummins 4BT Info:
• Essentially a 4 cylinder version of the 6BT, the 4bt Cummins shares the same pistons, injectors, connecting rods, & valvetrain design as the 5.9L 12v Cummins.
• Cummins currently manufacturers the 4bt for marine, construction, agriculture, & other off-highway applications.
• 4BT stands for 4 cylinder, B-series, Turbocharged.

Related Topics:
| 6.7L Cummins Specs | 5.9L 24v Cummins Specs |
| 6 BT 5.9L Cummins Specs |
3.9L 4BT Cummins Diesel