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Drive to the front axles is selectable and all axles have differential locks. Suspension on the A2 variant is by Hendrickson RT40 leaf springs with equalizing beams. Suspension on A4 models is Holland air suspension, ADS-240 (front) and AD-246 (rear). Tire size is 1600 R20 on all models, and standard tire fit is Michelin XZL. [1] [5]
Walking beams have low bogie pivots with a balance beam going out and under the axles. Any suspension is above the bogey pivot. Walking beams are very stable at low speeds and when stopped. Mack and Hendrickson models are available. Vendor tandems from Chalmers, Hendrickson, Meritor, and RAYCO are rated at up to 46,000 pounds (21,000 kg).
See the diagram on the right. A is the journal (bearing) of the walking beam KAC, which rocks up and down about A. H is the piston, which is required to move vertically but not horizontally. The heart of the design is the four-bar linkage consisting of AB, BE and EG and the base link is AG, both joints on the framework of the engine.
Walking beams have low bogie pivots with a balance beam going out and under the axles. Any suspension is above the bogey pivot. They can have leaf springs, rubber load cushions, air bags, or be solidly mounted. Walking beams are very stable at low speeds and when stopped. Mack and Hendrickson models are available.
With a beam axle, the camber angle between the wheels is the same regardless of its location in the travel of the suspension. A beam axle's location in the fore and aft directions is constrained by one of several suspension components, including trailing arms , semi-trailing arms, radius rods, and leaf springs .
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However, steam engines can also be classified according to cylinder technology (simple-expansion, compound, annular etc.). One can therefore find examples of engines classified under both methods. An engine can be a compound walking beam type, compound being the cylinder technology, and walking beam being the connection method. Over time, as ...
Watt's linkage automobile suspension Watt's linkage train suspension. Watt's linkage is used in the rear axle of some car suspensions as an improvement over the Panhard rod, which was designed in the early twentieth century. Both methods are intended to prevent relative sideways motion between the axle and body of the car.