The Caterpillar C12 diesel engine is a popular choice for heavy-duty applications in trucks and buses. Renowned for its robust performance and reliability, the C12 boasts impressive horsepower and torque figures. This guide delves into the specifics of the Caterpillar C12 Horsepower, along with its key performance specifications and standard features.
Caterpillar C12 Engine Horsepower and Performance
The Caterpillar C12 engine delivers a substantial 430 horsepower (HP). Operating within a range of 1,200 to 2,100 revolutions per minute (RPM), the C12 reaches its peak torque of 1,650 ft-lb at a low 1,200 RPM. This low-end torque delivery, combined with a 53% torque rise, provides excellent pulling power and responsiveness. The engine redlines at 2,100 RPM.
The C12 engine utilizes both air and liquid cooling systems. The cooling system capacity is 2.7 gallons of coolant, while the lubricating oil system holds up to 9.4 gallons. This robust cooling and lubrication system ensures optimal engine temperature and longevity under demanding operating conditions. The engine also features an electrical backup for the battery and a self-diagnostic system for enhanced reliability and maintenance.
Caterpillar C12 Engine Specifications
The Caterpillar C12 boasts a 12-valve configuration with a displacement of 732 cubic inches (12 liters). Its bore measures 5.1 inches, and the stroke is 5.9 inches. With a weight of 2,070 lbs, the engine dimensions are 50.6 inches in length, 35.68 inches in width, and 41.85 inches in height. The engine rotates counterclockwise when viewed from the flywheel end.
Caterpillar C12 Standard Equipment
The Caterpillar C12 comes equipped with a comprehensive suite of standard features designed for performance and durability. These include:
- Crankcase breather
- Electronic control module (ECM)
- Electronic data link (ATA/SAE)
- Electronically controlled unit injector fuel system
- Fuel spin-on filter, priming, and transfer pumps
- Gear-driven jacket water pump
- Full-range electronically controlled governor
- SAE A hydraulic steering pump drive
- Lifting eyes
- Lubricating cooler with a right-hand filler, full-flow filter, gear-driven pump, and front or rear sump pan
- Turbocharger
Conclusion
The Caterpillar C12 engine’s 430 horsepower, combined with its robust construction and advanced features, makes it a powerful and reliable choice for demanding applications. Its high torque output, efficient cooling system, and comprehensive standard equipment contribute to its overall performance and longevity. For those seeking a dependable and powerful diesel engine, the Caterpillar C12 stands as a proven solution.
