... Output Shaft540 r/min - 1000 r/minPTO Shaft Rated Power39.1 kWSpeed Range (Forward / Reverse)3.3~10.11 Km/h ... Model Number: 4135AK-4TypeStraight Engine, 4 Stroke, Boost, Direct InjectionPower97.1 KwRoll Speed1500 r/minSpecific Fuel Consumption≤232.6 g/kW ... Water-Cooled, 4 Stroke Engine Combustion Chamber, Direct Injection, VerticalPower77.1 kW80 kWrollspeed1500 r/minSpecific Fuel Consumption≤235 g/kW·h ...