Transmissions

Glossary car engineer

Glossary automatic transmissions

ATF: Abbreviation for Automatic Transmission Fluid, which is the lubricating and hydraulic oil used in the automatic transmission. Belt: On a belt-type CVT, the belt is stretched over two pulleys to transmit torque. There are belts that incorporate steel elements, as well as those that come in chain formats. CVT: CVT refers to Continuously Variable Transmission. This […]

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Dual Clutch Transmission market trends in Europe

In Europe, the majority of transmissions are manuals, but the increasing efficiency and shift feel of many non-manual transmissions is resulting in a slow move away from manuals, as people discover the convenience they can offer. Dual Clutch Transmissions (DCT) in particular are quite efficient, so they form part of this growth, although in many

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GKN ETM system

GKN driveline equips fastest Jaguar road-going saloon ever

Long-term GKN Driveline customer, Jaguar has revealed its fastest saloon to date. The new 542 bhp car, called the XFR-S which is first to go on sale in the UK in May 2013, is fitted with propshafts, sideshafts and to add dynamic refinement to the new 186 mph (300 kph) saloon, an Electronic Torque Manager

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7G-DCT transmission

Mercedes 4MATIC for compact model range

The most innovative components of the 4MATIC include the power take-off to the rear axle which is integrated in the 7G-DCT automated dual clutch transmission and the rear-axle gear with integrated, electrohydraulically controlled multi-disc clutch. This set-up enables fully variable distribution of the drive torque between front and rear axle. Additional benefits of this design

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PK4 gearbox

Introduction to manual transmission technologies

Transmissions type overview We can define 2 main types of transmissions, the manual transmission (MT) and automatic transmission (AT). The automatic transmission type is then divided in 4 sub-groups: Classic AT, with epicyclical gear trains (no loss of traction during gearshift) Continuously Variable Transmission (CVT), with conical pulleys and pushed belt (infinity of gear ratios between

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