Reduction gearboxes mechanically reduce a shaft's output rpm through the use of two or more gears. ... such as the epicyclic planetary gearbox featured in the Pratt & Whitney PT-6 family.

As long as the rear wheels turn at equal speed (straightahead vehicle motion) the planetary gears remain interlocked with the axle gears – the planetaries do not turn on their axes, and carrier ...

— Four-planet wheel-end hub-reduction gearing for higher capacity ratings. The single axle is rated at 26,000-35,000 lbs. GAWR, and the tandem is rated at 52,000-70,000 lbs. GAWR. — Needle-bearing ...

NexxtDrive is licensing DualDrive, a patent-protected transmission system designed to enable automakers to meet CO2 reduction requirements and integrate a hybrid electric capability quickly, at a ...