... Advantages and Characteristics of 40-55 series tractor: 1. Equipped with famous brand engine, with good performance, low fuel consumption and high ... : 540/760r/min.5. Can be equipped with ROPS, canopy, cabin, front/rear ballast, loader, and so on 6. Tire size ... tire 12.4-28.7.Can match implements such as Front end loader, Backhoe, Plough, Harrow, Trailer, snow blower, and so on. 40hp tractor