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Video Transmission
Video Gearbox-gripes
Video History 1
Video History 2
Video Var. Speed Gearbox 1
Video Var. Speed Gearbox 2
Video Var. Speed Gearbox 3
Video Var. Speed Gearbox 4
Video Var. Speed Gearbox 5
Video Light commercial veh.
Video Shift Possibilities
Video Gearshift Lever
Video Transmission (truck)
Video Ecosplit Gearbox
Video Gearshift (truck) 1
Video Gearshift (truck) 2
Video Truck Multi-axle Gearbox
Video Group/Splitter Gearb.
Video Gearbox Lubrication
Video Axilliary Drive
Video Retarder 1
Video Retarder 2
Video Retarder 3
Video Overdrive
Video Synchronising 1
Video Synchronising 2
Video Two-Shafts Gearbox
Video Gearbox (de)mounting 1
Video Gearbox (de)mounting 2
Video Front - Cross-engine
Video 3 Shafts (not coaxial)
Video Gear Shaft
Video Transmission Design
Video Tractive Power
Video Direct Shift Gearbox 1
Video Direct Shift Gearbox 2
Video Direct Shift Gearbox 3
Video Form. 1 Transmission
Video Motorcycle Gearbox

Video Transmission Ratio
Video Three-shafts Gearbox
Video Two-shafts Gearbox
Video Gear Spreading

Video Manual Gearbox 1
Video Manual Gearbox 2

          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

Five-step Reduction Gearbox (light
    commercial vehicle)

Coaxial gearboxes with aluminium-casings and auxiliary drive

This is a typical five-speed gearbox found in light commercial vehicles. It can transfer considerably more than 500 nm of torque, enough for somewhat larger 4 cyl. and for smaller 6 cyl. diesel engines. These are flange-mounted on the left, on the right, through a dry-disc joint, the cardan shaft with central bearing follows. This gearbox is suitable only for drive-chains with a front mounted engine and rear-wheel drive, a standard for utility vehicles (not vans).

Straighter and broader gearing, somewhat larger construction

One can recognise the larger transferable torque, compared with the passenger car, by the cog and gearwheel width, and by the not quite as helically cut gear-teeth. The noise insulation is not that important here. Classically, the selector shafts are arranged on top and the sliding clutches are also all on the main shaft. The modern casings are made of aluminium alloy. Specifically in the utility vehicle construction, the pay load reducing dead-weight counts for a lot. Quite nondescript, is an auxiliary drive that can be seen at the front. This can be used, e.g., to drive the pump of a heating-oil truck. 09/08
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