Matching requirements for tractors and semi trailers
Traction pin size, 90 pin and 50 pin, because domestic or pull more, so a large part of the distribution are 90 pin.At the same time, the traction pin is also separately packed and welded, and the ones over there in Liangshan are all welded directly because of the low priceBut the future is not replaceable. Assembly type, can be replaced after wearing of pin head.
There are two main points. First, determine whether the saddle on your tractor is 50 or 90, and the 21 one is to determine the height of the saddle of the towing vehicle
Tractors and semi - Trailer collocation, from height, to consider the height of the front traction seat, to determine the height of the suspension.General domestic several large tractor production giant's height is not uniform, at 1.35 meters --1.42 meters.
