BRIGGS STRATTON POWERBULT 4-stroke vertical shaft petrol engine with original box for 17.5 HP ride-on mower lawn mower snow blower snow thrower salt spreader sprayer motorcaravan rider front plate ventral steering zero compatible with all flanges also Honda and Kawasaki for all brands engine with 500 cc displacement as the 18.5 HP WITH OIL FILTER AND GEAR BOX INCLUDED INTEK AVS Features: Shaft Ø x L 25.4 x 80 mm Engine type Single cylinder, 4-stroke, air-cooled, OHV Serial number 4175 Torque at 3600 rpm 32.64 Nm Displacement 500 cc Cylinder type Cast iron Bore x stroke 90.5 x 77.8 mm Oil quantity 1.4 l Dry weight 29.5 Kg Dimensions L x W x H 479 x 393 x 327 mm Features AVS , DuraLube, oil filter, pressure lubrication Part no: 31R7770010B5CC0001 FOR ALL MAKES: STIGA CASTELGARDEN MTD ALPINA MOUNTFIELD HUSQVARNA PARTNER MURRAY JONSERED OLEOMAC EFCO SNAPPER VICTA YARD-KING YARD-MAN AGS AL- KO ARIENS AS MOTOR DEA CONCORD ETESIA VIKING WESTWOOD AYP IBEA JOHN DEERE NOMA SIMPLICITY TORO WALKER YAMAHA The warranty is valid ONLY when using SAE 30 lubricating oil, preferably BRIGGS STRATTON, which you can find in our store by clicking HERE