As a driveshaft parking.2Femergency brake Drum brake

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drum brakes have been built onto transmission s driveshaft parking brakes (e.g., chryslers through 1962). provides advantage independent of service brakes—but suffers severe disadvantage in that, when used bumper jack (common in era) on rear, , without proper wheel blocks, differential s action can allow vehicle roll off jack.


land rover have used drum brake on gearbox output shaft on fifty years. advantage 4 wheels can braked parking brake.







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