A TrestleJack has no moving parts.  It is a 2-in-1 device that doubles as an automatic trestle with  axle lifting capability.

It uses the driving motion from the vehicle for lifting and lowering trailer axles without any human effort.   Once in the upright position TrestleJacks becomes a safe axle support stand that does not require additional axle support.

It is quick and easy to use.  Simple as 1-2-3

1. Simply position the TrestleJack(s) under the axle(s)
2. Get in the cab and drive about 450mm and stop
3. The axle is lifted and supported safely and securely in seconds

• When finished, get in the cab and drive off
• No human effort required