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On some vehicles, usually recovery trucks or heavy tractor units, the rear axles will have wider tires than the front axles. [ 2 ] Heavy hauler and ballast tractor 8×8s have had a long history as prime movers in both the military (as tank transports and artillery tractors ), as well as commercially in logging and heavy equipment hauling both ...
Airoll is a system of vehicle propulsion that attempts to combine the strengths of air filled tires with those of caterpillar tracks to create an all-terrain amphibious vehicle while maintaining a reasonable speed and payload capacity.
In November 2009, volunteers in twelve communities in Nunavut were each equipped with an Argo Avenger, one of ODG's 8×8 vehicles, for local Search and Rescue. [3] [4] [5] Recently, ODG was asked to help the Canadian Space Agency in designing a lunar vehicle. [6] The Argo 8×8 750 HDi. The Argo is an all-terrain 8×8 or 6×6 amphibious ATV ...
A screw-propelled vehicle. A screw-propelled vehicle is a land or amphibious vehicle designed to cope with difficult terrain, such as snow, ice, mud, and swamp. Such vehicles are distinguished by being moved by the rotation of one or more auger-like cylinders fitted with a helical flange that engages with the medium through or over which the vehicle is moving.
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Tracked vehicles spread the ground pressure exerted on the ground by the weight of the vehicle across the whole vehicle length, reducing the ground pressure per surface area and preventing a vehicle from sinking in soft soil. However, conventional dual-track vehicles can steer only by differential steering. Doing so applies friction on the ...
Off-roading is the act of driving or riding in a vehicle on unpaved surfaces such as sand, dirt, gravel, riverbeds, mud, snow, rocks, or other natural terrain. Off-roading ranges from casual drives with regular vehicles to competitive events with customized vehicles and skilled drivers.
A vehicle has four-wheel drive when the front and rear driveshafts can be locked together to move at the same speed and send the same amount of torque to all four wheels. [ 5 ] Several four-wheel-drive vehicles have been built without a drive shaft between the front combustion engine and rear wheels; instead the rear wheels receive power and ...