The new Caterpillar on-highway engine line consists of four models — the C7, C9, C13, and C15 — all equipped with the company's ACERT (Advanced Combustion Emissions Reduction Technology) for 2007. These engines will be available beginning in fourth quarter 2006.
C7, a mid-range engine, provides truck and bus ratings of 190-300 horsepower at 2,200 rpm and recreational vehicle and fire truck ratings of 300-350 hp at 2,400 rpm. This 7.2-liter engine provides 520-860 ft-lb of torque at 1,440 rpm.
Cat's C9 provides heavy-duty power with increased displacement for expanded horsepower ratings, more torque rating options, and a Cat integral brake for heavy-duty performance in a lightweight package. Ratings for this 9.3-liter engine include 285-350 hp at 2,100 rpm for truck and bus applications and 335-425 hp at 2,100 rpm for recreational vehicles and fire trucks. The C9 provides 890-1,350 ft-lb of torque at 1,400 rpm. Caterpillar also will offer a 1,250 ft-lb C9 rating for truck applications in 2007.
A new Cat Common Rail Fuel System optimizes the performance and fuel economy of C7 and C9 engines.
C13 comes in on-highway vocational and heavy-duty line haul configurations. This 12.5-liter engine delivers 1,150-1,750 ft-lb of torque at 1,200 rpm. It provides vocational truck ratings of 305-370 hp, line haul truck ratings of 380-470 hp, and recreational vehicle and fire truck ratings of 485-525 hp, all at 2,100 rpm.
The heavy-duty, 15.2-liter C15 provides the 625-hp “King of the Hill.” Truck and bus ratings range from 435-625 hp at 2,100 rpm, with recreational vehicle and fire truck ratings of 600-625 hp at 2,100 rpm, with torque ratings from 1,550-1,850 ft-lb and a “King of the Hill” torque rating of 1,850-2,150 ft-lb, both at 1,200 rpm.
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