The Isuzu 4BC2 is a reliable, four-cylinder, direct-injection diesel engine primarily used in light commercial vehicles and industrial equipment, known for its durability, efficiency, and strong torque output. With a displacement of around 3.0 to 3.3 liters, this water-cooled engine features a durable cast-iron block and aluminum head, and comes in naturally aspirated and turbocharged variants designed for various applications, including trucks, buses, and construction machinery.
Displacement:Approximately 2.999 to 3.3 liters (3.0L to 3.3L).
Fuel System:Direct injection system, often using CAV-type nozzles.
Aspiration:Available as naturally aspirated or turbocharged models, with turbocharged versions (like the 4BC2-T) providing increased power.
Construction:Features a durable cast-iron cylinder block and an aluminum cylinder head for robust construction.
Applications:Widely used in Isuzu light-duty trucks (like the ELF and NPR), buses, industrial machinery, forklifts, and generators.
Power & Torque:Performance varies by model, but it generally offers good power and strong torque for its class.
Specialized Variants:Includes models like the 4BC2-T (turbocharged), 4BC2-P (with a power take-off unit for auxiliary equipment), and 4BC2-C (with a 24-volt electrical system for military applications).
The Isuzu 4BC2 is a 4-cylinder, 3.2L (3123cc) water-cooled inline diesel engine with an iron block and aluminum head, featuring a 102mm bore and 120mm stroke, and a 19:1 compression ratio, delivering 60-100 kW (80-135 hp) and 180-300 Nm of torque. Its specifications vary by model and tuning, but it typically uses a direct injection fuel system and can be found in light commercial vehicles and industrial applications, with turbocharged versions (like the 4BC2-T) available for increased power.
Here is a breakdown of the common specifications:
Configuration:4-cylinder inline diesel
Displacement:3.2L (3123 cc)
Bore:102 mm
Stroke:120 mm
Compression Ratio:19:1
Fuel System:Typically direct injection
Cooling System:Water-cooled
Block/Head:Iron cylinder block with an aluminum cylinder head
Power Output:Ranging from approximately 60 kW (80 hp) to 100 kW (135 hp) at 2600 rpm, varying by application.
Torque Output:Between 180 Nm to 300 Nm (133-221 lb-ft) in the low-RPM range.
Key Variations and Features:
Turbocharged Models:
Variants like the 4BC2-T and 4BC2-CT feature a turbocharger, significantly increasing power output.
Power Take-Off (PTO) Unit:
The 4BC2-P includes a PTO unit, which is an auxiliary component for driving equipment like hydraulic pumps or winches.
Applications:
The engine was primarily used in Isuzu light trucks and buses and can be found in industrial and marine uses.
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