This unit has a 230 V electric motor powering a General triplex pump. The heater is diesel fired with a 230V electric motor and transformer. ( 4 GPM, 2000 PSI, 5 HP, 220 V 25 A, 350,000 BTU )
This unit has a 115 V electric motor powering a General triplex pump. The heater is diesel fired with a 115V electric motor and transformer. ( 2 GPM, 1600 PSI, 2.3 HP, 115 V 20 A, 175,000 BTU )