1) R3105CNGD1 (LPGD1): 26.5kW/1,500rpm, 50Hz 2) R3105CNGD2 (LPGD2): 30kW/1,800rpm, 60Hz 3) R4105CNGD1 (LPGD1): 42kW/1,500rpm, 50Hz 4) R4105CNGD2 (LPGD2): 46kW/1,800rpm, 60Hz 5) SAE3#/11.5" flywheel or double bearings 6) Used for 20-30kW generator set