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Video Axle Drive
Video Rear Axle Drive
Video FWD (classic)
Video Front Axle Drive
Video Ring and Pinion
Video Hypoid Gearbox 1
Video Hypoid Gearbox 2
Video Differential
Video Locking Differential 1
Video Locking Differential 2
Video Locking Differential 3
Video Self locking 1
Video Self locking 2
Video FWD (cross) 1
Video FWD (cross) 2
Video FWD (cross) 3
Video FWD (longitudinal) 1
Video FWD (longitudinal) 2
Video RWD (front engine) 1
Video RWD (front engine) 2
Video RWD (front engine) 3
Video RWD (rear engine)
Video Mid-mounted Engine
Video Transaxle Drive
Video Planetary Power Axle
Video Smart Drive (f. view)
Video Smart Drive (s. view)
Video Powertrain Position
Video Bus with Low Floor
Video Tractive Power
Video All-wheel Drive
Video All-wheel History 1
Video All-wheel History 2
Video All-wheel History 3
Video All-wheel History 4
Video All-wheel History 5
Video All-wheel History 6
Video All-wheel Automatic
Video All-wheel Longitudinal 1
Video All-wheel Longitudinal 2
Video All-wheel Longitudinal 3
Video All-wheel Transverse 1
Video All-wheel Transverse 2
Video All-wheel Rear Engine
Video Ferrari FF
Video Bosch Hydro Drive
Video Locking Differential
Video Viscous Clutch
Video Torsen-differential 1
Video Torsen-differential 2
Video Electr. Differential Lock
Video Distrib. gearing 1
Video Distrib. gearing 2
Video Distrib. gearing 3
Video Distrib. gearing 4
Video Propeller Shafts 1
Video Propeller Shafts 2
Video Cardan Shaft
Video Cardan Joint
Video Constant Velocity Joint
Video Universal Joint
Video Universal joint (working)
Video Ball Joint
Video Dry Joint 1
Video Dry Joint 2
Video Driving Chain

Video Force
Video Torque
Video Piston force

Video Axle drive 1
Video Axle drive 2
Video Axle drive 3

          A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

Tandem-axle drive Rear Drive (rear engine)

Rear engine with clutch, gearbox and axle drive - click to enlarge!


Due to the increasing prosperity among the people after the Second World War, in the middle of the last century, their requirements slowly changed from the two-wheeled vehicle to the motor-car, the compact, rear engine with rear-wheel drive was in demand. At that time a reliable universal-joint, with a permanent grease-filling was not yet available. Due to the low diffraction angle of the final drive at the rear, the first modest dreams of an independent suspension were realised. The two joints of a double-jointed pendulum axle could be lubricated by the gear-box oil and be protected by fairly long-lasting rubber casings. Unfortunately, still no joints to the wheels were possible, which is why the wheels went into a positive camber when the springs rebounded...

How it works

The above figure shows the combination with a four cyl.boxer engine. Its short construction method, low centre of gravity and low construction height harmonise ideally with the above shown rear-wheel drive. Nonetheless, in most cases the drive was produced by (more economical in the production) in-line engines. The drive was transferred by the final drive forwards to the also straight-mounted, non-coaxial gearbox. From there it then went back to the horizontal final drive between gearbox and engine from where it was redirected by 90 to drive the rear wheels through the two half-shafts.


This drive configuration makes the vehicle very tail-heavy. It is difficult, with this axle load distribution, to achieve a well-balanced chassis. Only when braking and on slippery surfaces, does it have the ideal weight distribution. Due to the centre of gravity lying further to the rear, the crosswind sensitivity is enhanced. Only by taking drastic measures could the oversteer in curves be reduced. Together with the possible positive camber of the rear axle, these vehicles tended to spin out or overturn before they could be checked by determined countersteering. In the rear engine car, larger, more variable, and more easily accessible boots, cannot be found.               Top of page               Index
2001-2015 Copyright programs, texts, animations, pictures: H. Huppertz - E-Mail
Translator: Don Leslie - Email:

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