Holinger RD6 5 or 6 Speed Gearbox

Holinger RD6 5 or 6 Speed Gearbox
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Holinger RD6
5 or 6 speed Dog-change Gearbox

Dog-change gearbox primarily designed for use in front-engine, rear-wheel-drive race cars.


Provision also exists to mount the transmission together with a modular transfer case in 4WD applications, or with final drive units in rear mounted transaxles (e.g. Corvette).
Available in both H-Pattern and Sequential shift versions.
Torque rating for endurance events is 880Nm (650ft.lb).
The gearbox is fitted with 6 forward gears and a reverse gear. All forward gears are profile ground for increased efficiency and durability.
5-Speed versions are also available upon request.
Shifting is via an integral gear-lever or a remotely actuated shift-rod.
The internal lubrication system consists of a magnetic / paper element filter, an oil pump with provision for an external oil cooler and an integral spray bar to feed cooled oil directly onto the gears.
All gears are removable from shafts with an extensive range of ratios available.
Input is via a removable quill-shaft which can be customised to suit individual requirements.
Output is via a fixed flange or slip yoke which can be customised to suit individual requirements.



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  • 120.0 lbs.

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