Basic principles of torsion bar suspension used on army track vehicles are explained in the United States. United States tank destroyer 76 mm Gun Motor Carriage M-18 is partially disassembled to show the various units of the suspension system. Several mechanics remove the weight from torsion bar and lift the wheels. The vehicle suspension uses a torsion bar as the main weight bearing spring. Torsion bar and suspension arm in view. The spindles, shock absorbers, bumpers and compression links in view. A man points at the torsion bar retainer.
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