... , dual-stage clutch Advantages and Characteristics of 40-55 series tractor: 1. Equipped with famous brand engine, with good performance, low fuel ... .5. Can be equipped with ROPS, canopy, cabin, front/rear ballast, loader, and so on 6. Tire size: front tire 8.3-20, ... 12.4-28.7.Can match implements such as Front end loader, Backhoe, Plough, Harrow, Trailer, snow blower, and so on. 40hp tractor