The New Venture Gear 3500, commonly called NV3500, is a 5-speed overdrive manual transmission manufactured by New Venture Gear and used by GM and Dodge in compact and full-size light trucks.
It can be identified by its two-piece aluminum case with integrated bell housing and top-mounted tower shifter.
There are four GM medium duty transmission designs that led to and are often mistaken for the NV3500: Lubricants for the NV3500: Capacity:
Dodge Ram order code DDC General Motors RPO codes[1] Full-size CK, Silverado, Sierra MG5 Small trucks S10 etc.
M50 Wide Ratio Gearing Option in Dodge 1500 & GM Full-size Light Trucks:[6][1] Close Ratio GM S/T Small Trucks[1] & 2500 Light Duty Dodge Ram Truck Gearing:[7] Close Ratio NV3500-HD Dodge Dakota Gearing:[6] These are considered extremely difficult transmissions to rebuild.