Product Description
CPP CUMMINS 3.9L 4BT LONG BLOCK ENGINE
The CPP Cummins 3.9L 4BT Long Block Engine delivers legendary Cummins reliability in a compact and highly versatile package. Known worldwide for its durability, fuel efficiency, and mechanical simplicity, the 4BT has become one of the most sought-after diesel engines for industrial equipment, agricultural machinery, marine applications, and vehicle conversions.
Every CPP 4BT Long Block is assembled using premium components, precision machining procedures, and strict quality control standards to provide dependable performance in demanding environments. Whether you're restoring equipment, replacing a worn-out engine, or building a diesel-powered custom project, the CPP Cummins 4BT Long Block provides the foundation you need.
FEATURES
- Genuine Cummins 3.9L 4BT platform
- Heavy-duty cast iron block construction
- Industrial-grade durability and reliability
- Ideal for vehicle conversion and repower projects
- Excellent low-end torque output
- Mechanical fuel system simplicity
- Fuel-efficient 4-cylinder diesel design
- Precision-machined and professionally assembled
- Built using premium internal engine components
- Suitable for industrial, agricultural, marine, and off-road applications
FITMENT
The CPP Cummins 3.9L 4BT Long Block is commonly used in:
- Jeep conversion projects
- Toyota diesel conversion builds
- Ford Bronco diesel swaps
- Chevrolet K-Series conversions
- Industrial generators
- Skid steers and construction equipment
- Agricultural equipment
- Marine applications
- Custom diesel repower projects
WHAT'S INCLUDED
- CPP Cummins 3.9L 4BT Long Block Engine
- Engine block assembly
- Crankshaft
- Connecting rods
- Pistons and rings
- Camshaft
- Cylinder head assembly
- Valve train components
- Front gear housing components as specified
CROSS-REFERENCE AND RELATED PRODUCTS
- CPP Cummins 5.9L 12 Valve Long Block Engines
- CPP Cummins 5.9L 24 Valve Long Block Engines
- CPP Cummins 6.7L Long Block Engines
- Cummins Engine Components
- Fuel System Upgrades
- Turbocharger Upgrades
- Engine Installation Components
SPECIFICATIONS
- Engine Platform: Cummins 4BT
- Displacement: 3.9 Liters
- Cylinders: 4
- Configuration: Inline 4 Cylinder
- Fuel Type: Diesel
- Block Material: Cast Iron
- Cylinder Head Material: Cast Iron
- Application: Industrial, Agricultural, Marine, Conversion
- Engine Type: Long Block
- Manufacturer: CPP Diesel
FAQ
What is a 4BT Long Block?
A long block typically includes the engine block, crankshaft, pistons, rods, camshaft, cylinder head, and valve train components assembled and ready for installation of external accessories.
Why is the Cummins 4BT so popular?
The 4BT is known for exceptional durability, mechanical simplicity, fuel economy, and excellent torque production, making it a favorite for diesel conversions and industrial applications.
Can this engine be used for vehicle conversions?
Yes. The 4BT is one of the most popular diesel engines used in Jeep, Toyota, Bronco, Chevrolet, and custom diesel swap projects.
How much horsepower does a 4BT make?
Output varies by configuration, injection pump setup, and application. Many 4BT engines are easily upgraded for additional horsepower and torque.
Why buy a CPP Diesel 4BT Long Block?
CPP Diesel combines premium components, precision machining, and strict assembly standards to deliver dependable long-term performance and reliability.
