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Slack Adjuster | Automatic | 1.5 Inch - 28 Spline | 6 Inch Span

SKU 40010305

3 In Stock as of September 27, 2022 5:05 PM EST.

Haldex Automatic Slack Adjuster for 12-1/4 inch brake assembly applications. 1.5 inch 28 spline, 6 inch arm length, 1/2 inch arm hole diameter. 35° body angle. Plate and Flat stud style anchor bracket. Compatible with all major brand clevises.

Product Specs for Haldex 409-10655

  • Slack Adjustor Type:Automatic
  • Slack Adjustor Arm:Straight
  • Camshaft Diameter:1.50 inches
  • Spline Teeth:28
  • Arm Span (A):6.00 inches
  • Automann Number:133.2842
  • BWP Number:M-4062
  • Dayton Number:05-651
  • Euclid Number:E-6933
  • Haldex Number:40010305, 400-10305, 40910655, 409-10655
  • Leland Number:L3614
  • Meritor Number:R806006
  • Manufacturers Part Number:409-10655
  • MPN: 409-10655
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Haldex 409-10655 Details

Haldex Automatic Brake Adjusters are designed to the highest standards for performance, reliability and safety.


  • Automatic adjustment of the brake to compensate for lining wear.
  • Improved durability and reliability, which provides a longer service life
  • Adjusts during brake release when forces on the adjuster are at their lowest which prolongs life
  • Reduces Maintenance Costs and Extends Service Intervals
  • Clearance-sensing design prevents excessive brake wear and failed roadside inspection, which reduces operating and downtime costs

Customer Q&A - Haldex 409-10655


The Haldex Group was formed in 1985 through the consolidation of three Swedish vehicle industry subcontractors. Garphyttan, which dated from the 1920s, Haldex, which dated from the 1960s and Hesselman, which dated back to the 1930s.

Haldex brake systems operations trace their roots to 1913, when Axel Diurson patented an invention involving an automatic brake regulator system for railway vehicles. In 1916, he founded the company SAB in Malmö, Sweden, to develop and exploit his invention and a large number of other pneumatic railway brake concepts.

In parallel, Swedish aviation pioneer Enoch Thulin established an aircraft production plant in Landskrona in 1914. After World War I, the age of aviation was followed by other forms of sophisticated new technology, such as passenger cars and, later, SAB’s railway brake systems. After many years of close cooperation, the two companies merged in 1958.

Based on this know-how, series production of automatic brake adjusters for heavy trucks and busses was started in 1968, which gradually led to a completely dominant position in the world market. In the mid-1980s, the company was consolidated with some other Swedish players in the automotive industry: Haldex, Hesselman and Garphyttan, which were eventually incorporated under the collective name Haldex AB.

The brake systems operations expanded sharply in 1998 when Haldex acquired Midland Grau, a leading supplier of brake products for the North American commercial vehicle industry, but with strong roots in the German and UK automotive industry. The acquisition of Anchorlok Spring Brakes and Neway Valves in 2002 created the operations that are now conducted under the name Commercial Vehicle Systems within the Haldex Group. With sales and production companies in Europe, North and South America and Asia, the division is a leading global supplier of brake systems for heavy trucks, trailers and buses. The product offering comprises all main components and subsystems that are included in a complete pneumatic brake system.

Haldex Warranty

1 Year Limited Warranty

Haldex warrants to the original end user that all Haldex products will be free from defects under warranty terms and conditions. Some products carry more than a 1 year warranty and all included material should be reviewed for warranty information.

What the Warranty does not cover

Damage from accidents, corrosion, improper installation, incorrect applications, overloading, and custom applications that are not specified under the OEM cross references. This warranty does not cover loss of freight, loss of profit, equipment, or personal downtime.

You can view the full details of Haldex’s warranty here.

How to get service

Contact Haldex at:
Haldex Brake Products Corporation
10715 N.W. Airworld Drive
Kansas City, MO 64153
Phone: (816) 891-2470

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