The Kohler 20R is a 20 kW (25 kVA) Gasoline standby generator set powered by a Ford LRG-425 engine. It is available at 120/240 V, 139/240 V, 127/220 V, 277/480 V, 220/380 V, 120/208 V and 347/600 V, 3-phase and 60 Hz. It holds about 4.7 L (1.2 gal) of oil and 15.1 L (4.0 gal) of coolant, with a maximum ambient rating of 50 °C. Starting uses 1 battery rated 630 CCA at 12 V. The set measures 1905×737×1085 mm (75.0×29.0×42.7 in). The same LRG-425 engine also powers generator sets from FG Wilson.
Service, wear & replacement parts referenced for this model and its engine — confirm the exact part for your serial number. See the full parts catalog to search and cross-reference.