Description
Rebuilt Caterpillar 3406B Industrial Diesel Engine – 4W3791 | 0R3752 | 0R4812
This rebuilt engine is designed as a reliable replacement solution for compatible Caterpillar-powered equipment. The 3406B features a durable mechanical fuel system, turbocharged and aftercooled induction, and a heavy-duty engine architecture designed for applications requiring consistent power and long service life.
The listed reference numbers 4W3791, 0R3752 and 0R4812 may assist with identifying the correct engine configuration. Customers should verify the engine serial number, arrangement and application before purchasing to ensure the correct specification.
Key Features
- 14.6L heavy-duty inline 6-cylinder diesel engine
- Robust Caterpillar engine design
- Turbocharged and aftercooled induction system
- Mechanical fuel injection
- Strong torque output for demanding applications
- Rebuilt for replacement and service applications
- Suitable for industrial and off-highway equipment
- Designed for durability, serviceability and dependable operation
- Suitable for construction, agricultural, industrial and power-generation applications
Product Specifications
- Manufacturer: Caterpillar
- Engine Model: 3406B
- Engine Type: Industrial Diesel
- Configuration: Inline 6-Cylinder
- Displacement: 14.6L / approximately 14,600 cc
- Fuel Type: Diesel
- Fuel System: Mechanical Fuel Injection
- Aspiration: Turbocharged & Aftercooled
- Valve Configuration: 2 Valves per Cylinder
- Bore: Approximately 137 mm
- Stroke: Approximately 165 mm
- Power Rating: Application-dependent
- Torque: Application-dependent
- Reference / Part Numbers: 4W3791, 0R3752, 0R4812
- Applications: Construction, Agricultural, Industrial, Power Generation and Heavy-Duty Equipment
- Condition: Rebuilt
- Completeness: Complete Engine
- Warranty: 90 Days Warranty!









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