Longest running, longest life! Patented full pressure lubrication provides instant lubrication to all vital bearings on start-up, minimizes noise with advanced piston, camshaft and gear technologies. Designed with low-pressure shutdown and a large automotive style oil filter. Electronically controlled voltage regulator gives peace-of-mind with electrical accessories. Belt Driven provides increased inertia, which allows for better air conditioner starting ability. Single-side serviceability. E.P.A. and C.A.R.B. certified. Truck Ship. U.S.A.Engine Generac OHVI Engine Displacement (cc) 407 Fuel Type Liquid Propane Watts 4,500 Dimensions L x W x H (in.) 25.5 x 18.9 x 16.75 Average Fuel Consumption at Full Load (gal./hr.) 1.25 Hertz 60 Phase 1 Volts 120/240 Amps 37.5 Typical Application Class A Motorhomes, Class C Motorhomes, Travel Trailers, Fire/Rescue Vehicles Auto Shutdown Yes Additional Product Specs * Safety Shutdown: Low oil pressure, high oil temperature, low oil level * Full pressure lubrication and spin-on oil filter * Belt drive technology provides greater motor starting ability through increased inertia * Good for applications where sound levels are not critical * Requires exhaust kit (muffler and tailpipe), Item# 169998, sold separately * Optional 30ft. remote, Item# 169999, sold separately * Model 4164