Trailer Door Spring

The mounting bracket has two 3 8 holes that allow the installer to bolt the spring to the rear header.

Trailer door spring.

Sizes range from assists for 5 wide trailers to 8 5 wide trailers. The springs used for trailer ramps doors hatches gates and lids are torsion springs. The overhead ramp door spring system is designed for enclosed trailers. Unit is completely assembled cables sold separately.

Overhead mounted spring assists allow easier closure of trailer ramp doors. This single spring setup lets you easily open and close the ramp door on your enclosed trailer. The ends of torsional springs are known as legs for the wire on the end coils sticks out as if it were a lever. Replace your old trailer door spring with this heavy duty conventional ramp door spring.

This single spring setup lets you easily open and close the ramp door on your enclosed trailer. The system features double drums and cables. Ramp door spring lets you easily lift and lower the door on your enclosed trailer without risk of injury helps to take on the weight of your trailer door so you don t have to dual springs eliminate the risk of the ramp door collapsing and causing damage or injury if one cable falters the other spring will prevent the trailer door from freefalling. Replace your old trailer door spring with this heavy duty conventional ramp door spring.