Engine Comparison for Class 8 Trucks

Product Image
Family Name MaxxForce™ 11 - Big Bore MaxxForce™ 13 - Big Bore
Configuration In-line 6-cylinder In-line 6-cylinder
Displacement 10.5 L (641 cu. in.) 12.4 L (757 cu. in.)
Power Output 330-390 hp (246 - 291 kW) @ 1,900 rpm 410-475 hp (306 - 354 kW) @ 1,900 rpm
Peak Torque English 1,250-1,400 lb.-ft. (1,693 - 1,900 Nm) @ 1,000 rpm 1,450-1,700 lb.-ft. (1,964 - 2,302 Nm) @ 1,000 rpm
Aspiration Twin-series turbochargers, air/liquid intercooled Twin-series turbochargers, air/liquid intercooled
Combustion System Direct injection Direct injection
Dry Engine Weight 2,244 lbs. (1,018 kg) 2,244 lbs. (1,018 kg)