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C-HARV3ST3R (one-set MOC 31313)

A Mindstorm combine harvester, with the following features:

  1. Driving and steering remote controlled
  2. Unloader unfolding/folding remote controlled
  3. Header can be controlled manually, switching between two modes
  4. In harvesting mode (header down), driving is slow and no reverse is allowed. The reel rotates, driven by the small wheels below the header. A counter registers how much has been harvested. Once the hopper is full, no more harvesting is allowed and we have either to go in driving mode, or to start unloading
  5. In driving mode, speed is increased and reverse driving is permitted (at slow speed)
  6. Screen on top features a gauge displaying how full the hopper is (in percent)
  7. Model has sounds (reverse bipping, hopper full signal, unloading whoosh)
The Ev3 program can be downloaded by following this link:

Lego sets used

31313 See on Peeron See on Brickset See on Rebrickable

Building instructions



Created on: My 2017, Monday 8th.

Part list

CAD model

Model discussion on TechLug (in French)

Model discussion at Eurobricks