Tractor with Actisol (42080 alternate)

 


My first attempt at an alternate model of bigger size. The Actisol tool is based on the "Spartea grande culture":

There are several features:
  • front HOG steering.
  • the steering wheel moves when turning.
  • rear mockup differential (cannot drive anything).
  • turntable-based pendular suspension (similar to 42099).
  • openable hood to reveal motor & pump (and toolbox!)
  • switch to control raising/lowering of Actosol's wings
  • switch to control raising/lowering of Actisol's roller
  • like the original, the Actisol has 3 rows of tools: moving teeth, a spiked roller and a smooth roller.
  • the arm that attaches the tool to the tractor has 2 degrees of freedom

Known issues:

  • the small pneumatic actuator is lacking strength to raise the tool's roller. You can either help it a bit, or wait about 12s, after which enough pressure will have built up.
  • the differential appears to cause rattling when going in reverse, which is a mystery to me, since I don't see how forward & reverse should behave any different. But fortunately, once the Actisol is attached, you can't go in reverse anyway.
  • the steering wheel turns in opposite direction to steering. One more 12T gear would have been necessary to fix that. HOG is correct though.
  • the small 1x8 bumper-like part at the very rear only holds with one stud. The necessary parts were lacking to fix that.
  • the wheels are obviously too small for the tractor and it looks a bit strange.

This alternate model uses all the parts except the large disk-saw. Although if you still want to use it, the instructions have an extra page on how to integrate it under the Actisol using a few extra pieces.

Making the instructions was quite difficult because of all the tubes, and the build's compactness. I spent a great amount of time on them.

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