Carraro is back at Bauma Munich, the world’s most important trade fair for the construction equipment sector, presenting its modular versions of drivelines, with rigid or steering axles and hydrostatic or electric transmissions to visitors. 

Once again, the emphasis will be placed on Carraro’s 25 years-plus experience in this sector, developing and supplying transmission systems for electric drive material handling applications. 

More specifically, three drivelines will be showcased at Bauma 2022, that perfectly exemplify the application needs of light construction equipment, in both hydrostatic and electric versions: one driveline for telescopic handlers, one for compact loaders and one featuring a versatile configuration – ideal forcompact excavator, or telescopic handler or compact loader

In detail, the solutions on show at Bauma have the following configurations:

Driveline for telescopic handlers 

– 46.28M front steering axle
– THE260/2 Synchro flanged transmission with electric motor and hydrostatic transmission
– TB172HVT46.28M rear steering axle  
Driveline for compact wheel loaders 

– 48.18M front rigid axle 
– TB172/2 Stop&Go hydrostatic transmission and eTB220 flanged transmission with electric motor 
– 48.18M rear rigid axle  
Multipurpose driveline 

– 46.08M front steering axle
– TB135C hydrostatic transmission
– 46.08M rear steering axlee
– 46.08M electrified steering axle    

Each of these drivelines is equipped with an inverter and a Carraro electronic control unit

The Carraro stand also has a section dedicated to its expertise in high-quality gears for off-highway applications, as well as a display of proprietary hardware and software, essential for managing customers’ drivelines

At Bauma, Carraro is also presenting a parallel-hybrid “P1” module for diesel engines, developed in collaboration with Kohler. This is an extremely interesting solution because it allows the performance of engines over 56kW to be guaranteed, but with a power unit consisting of downsized diesel engine and electric boost. The result is a lower impact of the aftertreatment system, and a reduction in consumption (fuel, AdBlue). 

Carraro “THE”: plug & play solution

At the 2022 edition of Bauma, Carraro also unveiled a new modular transmission concept, THE, “Transmission Hydrostatic Electric”. 

This range of new products has been developed to better meet the modern needs of our customers through a special feature where hydrostatic and electric applications can be switched. 

The aim behind this concept is to give vehicle manufacturers a solution where they can fit out a vehicle with a hydrostatic or electric version, without having to make changes to the chassis or driveline layout. 

THE transmissions are highly configurable and will be available in two versions, with synchronised 2-speed, and with powershift. Optional configurations of THE transmissions include an emergency brake and a 4WD disconnect system. 

This highly versatile solution is particularly suitable for telescopic handlers, backhoe loaders, compact and small wheel loaders, as well as wheeled excavators. 


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