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The NV4500 Transmission is a heavy-duty manual transmission known for its strength, durability, and versatility in trucks and other demanding applications. Manufactured by New Venture Gear, the NV4500 became popular in several Chevrolet, GMC, Dodge, and Ram trucks. It features five forward gears and reverse, with a low first gear that provides useful torque multiplication for towing, hauling, and off-road driving.