Off-Road Dump Truck

The Sandmaster GMK 4000 is the first complete model made by Servonaut.

Role model for the Sandmaster is the 40-ton mining dumper. The model has a track gauge of 21cm and fits ideally with other models with a scale of 1/14 to 1/16. Two engines with planetary gear in the back axle are responsible for the SandMaster´s power to manage construction sites and rough terrain. The wheel rims in the back run on 55mm thin section bearings with rubber seal. The spindle drive is assembled and wired with the motor as part of the shipment. Two motors for 12V are included, too.   


Important facts at one glance:

  • Frame: steel welded
  • Trough: steel and aluminum
  • Front end, attachments and wheel rims: Alu
  • Driver´s cab: PVC
  • Tires: 132 mm
  • Empty weight: 10,5 kg, total weight: up to 25 kg
  • Tipping capacity: 20 kg with spindle drive (motor incl.)
  • Drive system: 2 motors in the rear axle
  • Dimensions approx. length 645 mm, width 296 mm, height 300 / 222 mm
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