Question: What does a Cal Poly-educated design engineer do in his free time? Answer: If his name is Jeff Friesen, he designs and builds this incredible hydrostatic-powered machine, which he calls the ...

Poclain's Sterling demonstrator has its tag axle fully extended so the drive axle is off the ground and its wheels are spinning and spewing dust. Yet the truck moves ahead under power from the ...

These drives are three-stage planetary gears with pre-arranged spur gear specifically designed for mining excavators and track-laying cranes. With output torques between 600 and 1300 kNm and a dual ...

Generally, hydraulic and pneumatic motors are organized along similar principles. The internal engineering of each is quite different, but the operating philosophies are very similar. Axial-piston ...