TROLLY JACK SIDE TIPPING CYLINDER, HYDRAULIC CYLINDER, TRACTOR TRAILER HYDRAULIC JACK, JACK FOR TROLLY, JACK FOR TRACTOR TROLLY, HYDRALIC CYLINDER FOR TRACTOR TRAILOR, TROLLY JACK. Bohawk- We are manufacture hydraulic jack for various applications like Tractor trailers, front loaders, mixture machines, reversible ploughs. We can develop the hydraulic cylinder as per your sample, drawing and specifications.