Cummins 6CTA8.3 4BTA3.9 engine for Cummins excavator

Product Description: The Cummins 6CTA8.3 is a six-cylinder, in-line, water-cooled, four-stroke diesel engine with a displacement of approximately 8.3 L. Known for its high power output, reliability, durability, and excellent fuel economy, it is widely used in heavy-duty trucks, construction machinery, industrial equipment, generator sets, and marine propulsion. Its turbocharging and intercooling systems enable the 6CTA8.3 to operate stably under high load conditions, making it one of Cummins’ most popular medium- and heavy-duty diesel engines.

Cummins 6CTA8.3 Product Specifications

Engine 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

Combustion System: Direct Injection

Charging: Turbocharging + Intercooling

Rated Power: Approximately 185–325 hp (138–242 kW) @ 2200 rpm

Maximum Torque: Approximately 1000–1400 Nm @ 1300–1500 rpm

Number of Valves: 12 (2 valves per cylinder)

Cooling: Water-cooled

Starting: Electric starter

Dry Weight: Approximately 650–700 kg

Applications: Heavy-duty trucks, construction machinery, agricultural equipment, industrial generator sets, marine power

We also offer a full range of Cummins engines, including 4BTA3.9, 6BT5.9, 6CTA8.3, 6LTAA8.9, QSB4.5, QSB6.7, QSL8.9, QSZ13, QSM11, QSX15, NTA855, etc., to meet the power needs of various types of equipment. We provide a one-stop solution to ensure that your equipment always maintains optimal performance.