More To Comprehend About GM NV4500 Transmission

The NV4500 transmission is a legendary five-speed manual gearbox renowned for its strength, reliability, and adaptability. Designed by New Venture Gear, a joint venture between GM and Chrysler, this transmission was engineered specifically to meet the demands of heavy-duty trucks. It first appeared in 1992 and remained in production until 2007, during which it was widely used in both General Motors and Dodge Ram 2500 and 3500 series trucks. Over the years, it earned a rock-solid reputation for enduring high stress and harsh working conditions without breaking down. If you are looking for one, here we are offering NV4500 transmission for sale.

Built with a robust cast-iron case and an aluminum shift cover, the NV4500 was crafted to handle extreme torque loads—well over 450 lb-ft in most applications. That made it an ideal fit for powerful gas and diesel engines alike, especially the Cummins 5.9L and GM’s 6.5L turbo diesel. It featured fully synchronized forward gears and, in later models, even a synchronized reverse, making it smoother and more user-friendly than earlier heavy-duty transmissions.

Its gear ratios are designed for a balance of low-end torque and highway cruising efficiency. First gear, with its ultra-low ratio (around 5.61), provides excellent grunt for towing, crawling, or hauling, while the overdrive fifth gear (0.73) offers better fuel economy at highway speeds. This balance is part of why the NV4500 became so popular in both OEM and aftermarket applications.

Off-roaders and performance truck enthusiasts continue to favor the NV4500 transmission for engine swaps, custom builds, and restorations. Its adaptability through a wide range of bellhousing options, adapter kits, and aftermarket upgrades makes it a go-to transmission in the 4x4 and hot rod communities.

Even long after its production ended, the NV4500 transmission remains a cornerstone of American drivetrain engineering. It’s not just a component—it’s a symbol of durability and capability, trusted by mechanics and gearheads across the nation.