What is the size of the all terrain forklift? A friend asked about the size of the rough terrain forklift. Generally speaking, the size of the 4WD rough terrain forklift is larger than that of the ordinary front-end forklift, and the chassis is higher. Kaystar is a professional manufacturer of 4WD rough terrain forklifts, producing 3-7 tons of various models of 4WD rough terrain forklifts.