Cummins 4BT Engine

Key Specifications

• Configuration: Inline 4-cylinder, 4-stroke diesel

• Displacement: 3.9 liters (239 cubic inches)

• Power Output: Typically ranges from 105 to 160 horsepower (varies by tuning and application)

• Torque: Around 265 to 425 Nm (195 to 313 lb-ft), depending on the variant

• Fuel System: Mechanical or electronic fuel injection (depending on model and year)

• Cooling System: Water-cooled

• Aspiration: Naturally aspirated or turbocharged versions available

Why the Cummins 4BT is Popular

• Compact Size: Fits into tight engine bays, making it great for retrofits and engine swaps.

• Fuel Efficiency: Known for economical fuel consumption and long service intervals.

• Robust Durability: Built to handle heavy-duty industrial and commercial applications.

• Ease of Maintenance: Simple design with readily available parts.

• Versatility: Powers a wide range of vehicles and machinery—from light trucks to forklifts and generators.

Common Applications

• Medium-duty trucks and pickups

• Industrial equipment, like forklifts and compressors

• Agricultural machinery

• Marine engines (in some custom setups)

• Generator sets (gensets)