MAX. TIP SIZE: .032 - 1 gun, .019 - 2 gunsMAX. DELIVERY: .92 GPM (3.2 lpm)MAX. SPRAYING SPEED: *416 linear ft. (126.8 m) per minute @ 4.7 mph (7.6 kph)Engines : Honda GX120 (120cc / 4hp) w/50 watt lamp coil charging coil