MAN TGA 6x4-4 truck.

 Features:

 Radio controlled driving, steering and gearbox
 - Transmission: Front and middle  (A and B) axles are driven by one RC Buggy motor, three differentials, middle and rear differentials with lock. 
    2-speed gearbox operated by one lego micromotor connected to battery/RC receiver unit's auxiliary output.
    Gear ratios: High 9,6 to 1
                 Low 24,0 to 1
 - Steering: Front and rear (A and C) axles are steered by the original steering output of the battery/RC receiver unit. Steering mechanism uses push-rods, no gear rack.

 Pneumatic system
 - Air-compressor: including two small pumps, driven by one 9V technic mini-motor
 - Pressure-limit switch
 - Air-tank
 - Self-loading crane: Three moving sections, operated by six pneumatic cylinders

 Other
 - Crane's turntable and stabilizers driven by one 9V technic mini-motor

 Work In Progress


 Comments and questuions: aaron.bodo@gmail.com