Engine 4-stroke petrol vertical shaft BRIGGS STRATTON POWERBULT with original box for lawn tractor mower mower mower lawn mower to 18.5 HP snow blower snow blower motorcaravan salt spreader sprayer motorbike rider front plate ventral steering zero compatible with all flanges also Honda and Kawasaki for all brands INTEK AVS Features: Shaft Ø x L 25,4 x 80 mm Engine type Single cylinder, 4-stroke, air-cooled, OHV Model 31R8 Serial number 4185 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 Article code 888031 FOR ALL BRANDS: 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