For engine displacement of: Diesel – 200 to 1200 CID (3 to 20 liters) Carburated – 400 to 2400 CID (6 to 40 liters) Key Features All models sealed for use in air or gas applications Inertia drive for fast, reliable starts Compact, inline design 9.5 hp motor on 5BMG; 8.4 hp motor on 3BMG Back ports for injection lubricating Versatility 4 inlet, 4 exhaust, and 12 drive housing orientations Fits a wide range of small and medium size engines 90-150 psi (6.2-10.3 bars) operation