What is the difference between a two wheel drive rough terrain forklift (time-sharing 4WD) and a four-wheel drive (full-time 4WD) rough terrain forklift.4WD technology can be divided into three categories: time-sharing and full-time 4WD. As for which is the best, it is not easy to summarize; For example, the full-time 4WD is absolutely the best in terms of function and performance, but the manufacturing cost is high and the fuel economy is not good; The time-sharing 4WD saves fuel and has low cost, but its performance is insufficient, and the front and rear wheel speeds do not match!