Contact Downloads
Truck on Bridge Header
From component to system
Long lifespan: designed to run for more than 1 million kilometres.

Trucks / buses / transporters

For the On-Highway field, Witzenmann offers flexible metallic elements with connecting parts up to complete pipe assemblies, which, here too, enable optimal solutions under extreme installation conditions.

Product Overview

An overview of our products for trucks, buses and transporters

EngineRelated Automotive Components Image Text
Near-engine Components

Direct connection to the turbocharger with V-edge clamps or integrated customer counter-piece. Our leading connection know-how creates optimal solutions.

See Near-Engine Components Product Overview
Automotive Components in the Exhaust System Image Text
Automotive Components in the Exhaust System

Decoupling elements are used in the connecting line between the engine and the exhaust post-treatment; these are configured as metal bellows or stripwound hoses. They are used for decoupling movements of mechanical components, expansion and vibration, as well as for compensating for installation tolerances.

See Automotive Components in the Exhaust Gas System Product Overview
Exhaust Gas Treatment Image Text
Exhaust After-treatment Products

Within the exhaust post-treatment, metal bellows are used for absorbing movements and compensating for installation tolerances.


  • optimised flow technology
  • with pre-finish adaptation to the particular customer situation
Automotive components in the exhaust system
30 %
of our pipes are insulated
3 million
number of bellows in a large series
Witzenmann Tech-Centres worldwide

Your development partner in every phase

6Axis Test Rig Image Text

From design and calculation, operational loads determination and prototype verification to lifespan validation and large series production - Witzenmann's engineers contribute the experience and know-how to arrange for projects to be carried out economically and efficiently.

Next steps

Other questions

There is nothing like direct contact. We will gladly take the time for a personal discussion and answer your questions individually.
Please send us your inquiry using our contact form and we will then contact you immediately.