Engine Comparison for Class 6–7 Trucks

Product Image
Family Name MaxxForce™ 7 MaxxForce™ DT MaxxForce™ 9 MaxxForce™ 10
Configuration V8 I6, Wet-Sleeve I6 I6
Displacement 6.4L (390 cu. in.) 7.6L (466 cu. in.) 9.3L (570 cu. in.) 9.3L (570 cu. in.)
Power Output 200-230 hp (149 - 171 kW) @ 2,600 rpm 210-300 hp (156 - 223 kW) @ 2,400 - 2,600 rpm 300-330 hp (223 - 246 kW) @ 1,200 - 2,200 rpm 310-350 hp (231 - 261 kW) @ 2,100 - 2,200 rpm
Peak Torque English 560-620 lb.-ft. (759 - 840 Nm) @ 1,400 rpm 520-860 lb.-ft. (705 - 1,116 Nm) @ 1,450 rpm 800-950 lb.-ft.(1,084 - 1,288 Nm) @ 1,400 rpm 1,050-1,150 lb.-ft.(1,423 - 1,559 Nm) @ 1,200 rpm
Aspiration Electronically-controlled turbocharging with charge-air cooler Turbocharged Turbocharged Turbocharged
Combustion System Direct Injection Direct Injection Direct Injection Direct Injection
Bore And Stroke 3.87 in. (98.2 mm) x 4.134 in. (105 mm)      
Compression Ratio 17.5:1      
B10/B50 Life 262,500/375,000 miles 300,000/450,000 miles 555,000/832,500 miles 555,000/832,500 miles
Dry Engine Weight 1,160 lbs. 1,480 lbs. 1,560 lbs. 1,560 lbs.