Engines // Air cooled diesel engines KOHLER DIESEL KD AIR-COOLED ENGINE SERIES PERKINS 400 SERIES PERKINS 1100 SERIES KD225 3.5 kW 4.8 hp KD350 5.5 kW 7.5 hp 1106D-70TA 112 kW 150 hp KD440 8 kW 11 hp 404D-22TA 49.3 kW 66 hp KD425-2 14 kW 19 hp KD625-2 21 kW 28.5 hp