Engineering with ABS
Komatsu WD900-3
Model of Komatsu's largest wheel dozer in scale 1/28.5. The real dozer is used in mining applications and is in the 100 tonne size class, featuring a 26 m3 blade.
The LEGO model comes with a lot of lifelike functionality:
- All wheel drive, using planetary wheel hubs, powered by a single Power Functions XL motor
- Steering by means of two small linear actuators and powered by a 9V geared motor
- Fully adjustable blade, using three independent Pneumatic cylinders, each controlled by its own Power Functions servo motor actuated valve. The blade can be lifted and lowered, tilted forward and backwards and pitched left and right.
- Pneumatic pump operated by a 9V geared motor
- Oscillating rear axle
- Manually operated access and emergency egress ladders
The wheel dozer is powered by a Power Functions rechargeable battery box and controlled via bluetooth by a gamepad, the Brick Controller 2 app and two SBricks.
Video here
Komatsu WD900-3
Model of Komatsu's largest wheel dozer in scale 1/28.5. The real dozer is used in mining applications and is in the 100 tonne size class, featuring a 26 m3 blade.
The LEGO model comes with a lot of lifelike functionality:
- All wheel drive, using planetary wheel hubs, powered by a single Power Functions XL motor
- Steering by means of two small linear actuators and powered by a 9V geared motor
- Fully adjustable blade, using three independent Pneumatic cylinders, each controlled by its own Power Functions servo motor actuated valve. The blade can be lifted and lowered, tilted forward and backwards and pitched left and right.
- Pneumatic pump operated by a 9V geared motor
- Oscillating rear axle
- Manually operated access and emergency egress ladders
The wheel dozer is powered by a Power Functions rechargeable battery box and controlled via bluetooth by a gamepad, the Brick Controller 2 app and two SBricks.
Video here