BRIGGS STRATTON INTEK AVS 4-stroke vertical shaft engine for lawn tractors lawn mowers mowers to 13.0 HP unified flange for all engines snowploughs snow blower motorcaravan frontal zero turn rider salt spreader and other uses TECHNICAL CHARACTERISTICS Shaft Ø x L cylindrical 25.4 x 80 mm Engine type Single cylinder, 4-stroke, air-cooled, OHV Model 21R8 Serial number 3130 Torque at 3600 rpm 22.75 Nm Displacement 344 cc Cylinder type Cast iron Bore x stroke 87.3 x 57.5 mm Oil quantity 1.4 l Dry weight 26.8 kg Dimensions L x W x H 452 x 393 x 327 mm Features AVS , DuraLube with fuel pump, fuel filter and voltage regulator. This engine replaces all pre-2014 versions whether 8-9-10-11-12-13 horsepower, the only difference may be the position of the exhaust (muffler) which is not supplied, the output shaft is 25.4 mm (1 inch) by 80 mm. for more details please contact us. Pay attention to the electrical connections, they may be slightly different from the above. This motor has the following connections: - BLACK CABLE: is the engine shutdown ground; - GREY CABLE: produces direct current to run the air and the carburettor electric tap; - RED CABLE: charges the battery and activates the lights (if present) 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 code 118563139/0