Caterpillar 3116 Diesel Engine – 350 HP, Turbocharged, Mechanical Inline-6

The Caterpillar 3116 engine is a rugged and dependable 4-stroke inline diesel powerplant, widely used in industrial, marine, and power generation sectors. This specific model delivers 350 horsepower (261 kW) at a rated speed of 2800 RPM, with a high idle speed of 3097 RPM. Designed with turbocharging and a mechanical direct injection system, the 3116 offers robust performance in demanding environments. The engine configuration includes a water-cooled system, wet sump lubrication, and mechanical governor control. It is mounted on an industrial skid base for flexible installation and features an SAE #2 flywheel housing. Built to operate in ambient temperatures up to 50°C and altitudes up to 550 meters, this engine is ideal for continuous heavy-duty operation. Two surplus units are currently available.

Specifications

– Engine Model: Caterpillar 3116
– Power Output: 350 HP / 261 kW
– Rated Speed: 2800 RPM
– High Idle Speed: 3097 RPM
– Aspiration: Turbocharged
– Fuel System: Direct Injection, Mechanical
– Configuration: Inline 6-cylinder, 4-stroke
– Displacement: ~6.6 liters
– Bore × Stroke: 105 mm × 127 mm
– Cooling: Water-cooled
– Lubrication: Wet sump
– Governor Type: Mechanical
– Flywheel Housing: SAE #2 (based on visible structure)
– Mounting: Industrial skid base
– Serial Number: 7L8136
– Arrangement Number: 4K506557
– Full Load Fuel Setting: 8.7 mm
– Fuel Timing: 63.96 mm³
– Maximum Altitude: 550 meters
– Maximum Ambient Temperature: 50°C
– Condition: Used, in surplus storage
– Quantity: 2 units

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