6C series engine model, engine model, rated power kW / R / min speed maximum torque N.m / cold in cold in cold in cold in cold countries speed r.min intake form of emission regulations C230-33 170/2200861/1300 turbocharged IIIC245-33 180/22001025/1400 turbocharged IIIC260-33 191/2200109/1200 turbocharged IIIC280-33 206/22001125/1200 turbocharged IIIC300-33 221/22001125/1500 turbo III < b > Cummins 6C/6CT/6CTAA engine