Transmission System Description and Operation

The New Venture Gear NV 3500 is a 5 speed manual transmission used on light duty trucks with 4.3L engine. NV 3500 is identified by RPO M50 and RPO MG5. difference between RPO codes is first speed gear ratios that transmission has. shift assembly design inside NV 3500 transmission installed on C/K trucks is different than NV 3500 transmissions installed in smaller S/T trucks. distance between input shaft and countershaft is 85 mm (0.132 in). transmission is available in rear wheel drive and four wheel drive.

The transmission has following features:

• Constant mesh helical gearing for reduced noise
• A 2 piece aluminum housing
• Synchronized shifting in all gears
• A shift tower mounted shift lever
• A single rail shift system
• A vehicle speed sensor (VSS)