Replacing trailer axles

Working on a 5 ton equipment trailer with hydraulic surge brakes: 0:00 Replacing trailer lounge master brake cylinder assembly 4:01 1 year remove axles, brakes, suspension 13:35 install new axles, suspension, brakes 32:35 Demonstrate problem with trailer not going in reverse 37:16 install block off valve to fix reverse problem There some grey dodge footage in here, and some excavation footage. Headlamp: