The TREMEC TR-4050 5-speed manual transmission is designed for longitudinal engine vehicles and is particularly suited for light and medium duty trucks. It includes a single overdrive and a light-weight aluminum housing. High-contact constant-mesh helical gears for maximum strength. Standard right-hand six-bolt PTO offers ability to run hydraulic pumps. Tapered bearings on input, main and counter shafts provide excellent internal stability. Needle bearings under gears reduce friction & noise output. Revised 5th gear retainer eliminates problems associated with NV 4500 overdrive output shaft nut. All forward gears and reverse gear synchronized. Advanced synchronizer technology promotes smoother shifting and reduced shift effort. Counter shaft mounted 5th gear synchronizer reduces noise in overdrive.