| Caterpillar C13 [1] | |
| Manufacturer: | Caterpillar Incorporated |
| Displacement: | 12500cc |
| Bore: | 130mm |
| Stroke: | 157mm |
| Compression: | 17:1 |
| Turbocharger: | single with non-ACERT engines, sequential twin turbochargers used with ACERT engines |
| Fuelsystem: | Unit injection (see management) |
| Management: | Electronic (ACERT) with mechanical failsafe |
| Fueltype: | Diesel |
| Oilsystem: | Wet sump |
| Coolingsystem: | Water cooled |
| Idle: | 650 |
| Redline: | 2800 |
| Power: | 387kW (marine/military rating) |
The Caterpillar C13 is an inline-6 diesel internal combustion engine made by Caterpillar. The engine is 12.5 liters in displacement (763 cubic inches). The cylinder size is 5.12 × 6.18 bore/stroke.Engine ratings were available from 380–525 horsepower at 2100 RPM. The peak torque occurs at an engine speed of 1200 RPM.[2]
The engine weighs over one ton at 2610 pounds. The Cat C13 is often used in Class 8 vehicles (tractor-trailers). The Gleaner A85 is a Gleaner combine harvester that uses the C13, and it is considered a class 8 vehicle. In the A85 as well as in fire trucks, it is rated at a higher horsepower.[3]