The Dumptruck's two back axles drive the V6 engine.
A linear actuator dumps the bed via crank located just under the pneumatic pump and another lowers the side blade via a knob just behind the pneumatic switches.
Right Side with side plow retracted.
Pneumatic cylinders control the angle of the front blade and raise/lower it.
Closeup of the side blade moving down and extending.
The rear axle floats to stay in contact on uneven terrain.
Underside.
A view of the blades and axle in motion.
Trailer
Linear actuator lifts and lowers the ramp. Floating axles.
Mini Excavator
Two knobs at the rear control the boom and dipper.