The next-generation RS6-42 GEN:2, RS8-42 GEN:2, RS8-44 GEN:2, RS10-44 GEN:2, RS10-55 GEN:2 and RS12-42 GEN:2 telescopic handlers are equipped with a 120-hp Cummins QSF 3.8 Tier 4-certified, turbocharged diesel engine delivering a 4% increase in horsepower and 6% increase in peak engine torque compared to the Tier 4 Interim predecessor.