Medium-Duty Truck Cummins Engines[Jul. 12, 2011 21:36:59]
* ISL Series: 310-330 hp; 2100 lb-ft torque
* ISC Series: 225-315 hp; 620-950 lb-ft torque
* ISB Series: 185-260 hp; 420-660 lb-ft torque
* B 5.9 G Plus - Natural Gas; 195-230 hp; 420-500 lb-ft torque
* B 5.9 LPG Plus - Propane; 195 hp; 420 lb-ft torque
* C8.3G Plus - Natural Gas; 250 to 280 hp; 750-850 lb-ft torque