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Cummins 6CT8.3 Diesel Engine

Product Overview
The Cummins 6CT8.3 is a robust and reliable inline 6-cylinder, 4-stroke, water-cooled diesel engine with a displacement of 8.3 liters. Designed for heavy-duty applications, it delivers 150–300 HP (112–224 kW) at 1500–2200 rpm, offering strong power output, excellent fuel efficiency, and long service life. With its durable structure and wide adaptability, the 6CT8.3 is widely used in generator sets, marine propulsion, construction machinery, and agricultural equipment.

Basic Information

Type: Inline 6-cylinder, 4-stroke, water-cooled diesel engine

Displacement: 8.3 L

Bore × Stroke: 114 mm × 135 mm

Compression Ratio: Approximately 17.3:1

Performance

Maximum Power: 150–300 HP (112–224 kW) @ 1500–2200 rpm

Torque: Strong low-speed torque for heavy-duty operations

Fuel System: Bosch inline fuel injection pump

Emission Standard: Compatible with IMO / EPA Tier I & II for certain versions

Structure and Maintenance

Cooling: Water-cooled with turbocharged design (intercooled version available)

Starting: Electric starter

Lubrication Oil Capacity: 18–20 L

Coolant Capacity: 12–14 L

Weight: 600–700 kg (depending on configuration)

Dimensions: Approx. 1180 × 710 × 1135 mm

Applications

Generator sets (prime or standby power)

Marine propulsion and auxiliary engines

Construction machinery (excavators, loaders, pumps)

Agricultural and mining equipment

Core Advantages

Strong and durable inline 6-cylinder structure for long service life

High fuel efficiency with low operating costs

Wide power range, adaptable to multiple applications

Easy maintenance with good parts availability

Proven reliability in heavy-duty and continuous operation environments

We also offer a full range of Cummins engines, including 4BT3.9, 6BT5.9, QSB6.7, QSL9, QSX15, and QSK23, providing one-stop solutions for all your power needs.