Semi trailer landing gear is a standard feature of a semi trailer truck. The legs of the semi trailer landing gear can be adjusted for height, to provide the correct support when the semi trailer is uncoupled from its truck. The landing gear can and should be fully retracted when the truck is in motion.
Other People Are Reading
Lifting Capacity and Size
Semi trailer landing gear are available with a variety of maximum lifting capacities. For instance, landing gear by the Chinese manufacturer Xiamen Tinmy Inc, based in Qingdao, Shandong Province, are available with lifting capacities of 8 tons, 25 tons, 28 tons, 30 tons and 35 tons. The maximum payload available to their models is 80 tons, and their maximum loading capacity is also 80 tons. The elevation of the land gear they offer, range from 14 inches to 19 inches. On the other hand, Shenzhen BYF International Limited offers landing gear with a lift load maximum of 12 tons, and a static load limit of 25 tons.
The gearbox to raise and lower the semi trailer landing gear can be installed on the inside and outside of the semi trailer truck.
A semi trailer landing gear will usually contain the following components: a tube 2 speed, a tube 1 speed, inner leg (x2), washers, a pin, a crank, a crank handle, a cross shaft, a shaft, bearings, roll pins and an output shaft.