Description：
1, Gearbox with low temperature premium chassis lube rated for service from -30℃ to+120℃◇ 2, Maintenance-free feature with grease lubricant packed jack screw
◇ 3, Double speed designed for better efficiency
◇ 4, Wider backing mounting plate for greater load bearing capacity and extended life
◇ 5, Multi-type shoes available for different usage