JOST expands axle portfolio

Unlimited diversity with just a few components, equipment specialist, JOST, continues to deliver the goods when it comes to rolling out axle and suspension innovations.
DCA WEIGHTMASTER.

Since the acquisition of TRIDEC and Mercedes-Benz Trailer Axles Systems, JOST has since become one of Europe’s foremost manufacturers of steering, suspension and axle systems for truck and trailer applications.

As a producer of specialist commercial vehicle components, with continued research and development, JOST can offer customers the appropriate solution for their fleet, whatever their requirements.

These are the latest innovative products in the field of axle systems and suspensions.

ZGA: command steer axle
Ideal for use in urban areas, rural country roads and hard-to-reach locations the JOST ZGA provides a smaller turning radius, one of the lowest steering forces in the industry and is compatible with all common steering systems.

Tight depots, narrow city streets and a 16.5-metre-long trailer that needs to be steered safely – all challenges that push conventional axle systems to their limits and demand a command steer axle. Following the successful market launch of the ZGA with the nine-tonne version, a 10-tonne axle will be added to the portfolio from 2023.

The corresponding structure-relevant components have been adapted and approved. Needless to say, the ZGA 10T can also be used in all conventional steering systems – whether mechanical, hydraulic or electronic – and, like the nine-tonne axle, will impress with outstanding performance characteristics and in particular the lowest roll radius.

This has a positive effect on the actuation force, which is up to 70 per cent lower than that of comparable axles as a result. Additional batteries are rendered obsolete and there is greater flexibility when designing steering systems. The low space requirement of the ZGA is unparalleled, enabling smaller mud guard designs and thus wholly new vehicle designs, even when space is tight.

The JOST ZGA is perfectly tailored to TRIDEC-brand steering systems: the TF mechanical system, the HF and HF-E hydraulic systems and the EF-S electronic steering system.

DCA WEIGHTMASTER PLUS – a new weight-optimised axle
JOST’s DCA WEIGHTMASTER PLUS made its debut at this year’s IAA. Reducing emissions, protecting resources and maximising efficiency were the key aims when developing the lightest axle in its class.

The optimised structure of the entire axle reduces the trio weight by 51kg. In combination with the optional Weight Optimiser 27, the air bellows support with a lightweight aluminium tail end structure, further weight savings of 27kg are possible in the trio.

The highlight of DCA WEIGHTMASTER PLUS is its wheel end with optimised weight, wear properties and performance. This includes the new DCA X7 brake, the lightest brake in its segment. The aim during its development was to achieve ideal interplay between the brake disc and lining, thereby reducing emissions while maximising the payload and performance.

The PLUS series of DCA axles offers benefits for all trailer applications. That is why it is not limited to the WEIGHTMASTER series. The new features will also be available for DCA AIRMASTER, DCA STEERMASTER, DCA PAVEMASTER, DCA MEGAMASTER and DCA RAILMASTER. SOP of the DCA WEIGHTMASTER PLUS is successively component by component in HY2 2023.

JOST DMA – a new drum modular axle
To provide the right solutions to meet the needs of customers all over the world, JOST is adding the DMA series drum modular axle to its axle portfolio. The drum modular axles in the DMA series ensure maximum flexibility for every transport application. The drum modular axle combines a robust tubular axle with a modular leaf spring system known from the DLS series, which can be adapted to match the customer’s individual specifications.

The DMA’s most striking feature is the outboard brake drum design, which allows the brake linings to be replaced without having to disassembled the wheel hub – making it extremely easy to service and maintain. In addition, the proven brake design requires minimal repair effort and offers maximum benefit to customers.

To ensure optimum brake performance at all times and enable ideal wear behaviour, great emphasis has been placed on the interplay between the brake drum and lining during development. This is supported by gradual interaction with an automatic, self-regulating slack adjuster, which controls the brake pressure depending on the wear conditions.

TP-O Low: new swivel axle suspension
TRIDEC develops and produces, independent from axle or trailer manufacturer, mechanical, hydraulic and electronic steering systems, as well as special wheel and axle suspensions. The new TRIDEC swivel axle suspension TP-O Low opens up a new market for independent trailer manufacturers.

With suspension travel of 600mm, the TP-O Low offers the lowest ride height with 12 tonnes per axle line, combined with a greater steering angle than any other suspension solution. The TP-O Low will be available from the first quarter of 2023

Fast Fact
TRIDEC is a specialist in steering systems and axle suspensions and has been a part of JOST World since 2008.

Fast Fact
The DCA series is characterised by a modular construction kit for trailer axles, which opens up unlimited application possibilities with a low number of different parts. The ZGA command steer axle, for example, can be used with all the common steering systems – mechanical, hydraulic or electronic.

Fast Fact
The DCA WEIGHTMASTER PLUS features a weight-optimised wheel head that guarantees the usual high quality standards from JOST. The axle cover in the JOST Transport design has been updated in both look and function, too.

JOST DMA.
JOST DMA.

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