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IR & Haldex information



Lightweight brakes with heavyweight performance

The Haldex Air Disc Brake ModulT features a unique combination of low weight and high performance – and an unbeatably broad field of applications.

Weighing in at a mere 31 kg – including the brake pads – it is the lightest 22.5" trailer brake on the market. DBT22LT is just the beginning. It will soon be followed by 17.5" and 19.5" versions for buses and trucks.

Key benefits:

  • A single tappet mechanism with similar clamping force distribution to a twin tappet mechanism. The single-tappet mechanism also assures excellent pressure distribution. The result – in addition to superior braking capability – is even, perfect load distribution on the brake pads.
  • Simplified maintenance = low down time; Another innovative design aspect is the boltless snap-on brake pad retainer fitment, simplifying brake pad replacement. The entire construction requires just two bolts.
  • Modular; the same mechanism, sliding function design and even spare parts used on multiple brake sizes;
  • Stainless sliding pins requiring no lubrication, fit and forget solution. ModulT has just two sliding pins (instead of four) and a completely closed caliper;
  • Low weight with high performance and efficiency - double roller bearings for the mechanism lever keep the hysteresis low.
  • Long service life: stainless steel sliding pins and inverted self-protecting mechanism bellows.

What sets us apart:

  • Low weight; the lightest air disc brake available
  • Cost efficient; design solutions are driven by strong cost focus
  • No special tools needed for pad exchange
  • Unsurpassed weight / brake torque ratio
  • The mechanism bellow is folded inwards and thus better protected from external affection (stones/blister etc)


The light-weight ModulT is a rugged,

long-term option to the trailer air

disc brake market. An inspired design

built for ease of maintenance, more

uptime and lower operating costs.


The boltless snap-on brake pad retainer fitment simplifies brake pad replacement. The entire construction requires just two bolts.


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