Product Description
Automann 135.S2840 - Haldex Type S/Setting Slack Adjuster 5.5"
The Automann 135.S2840 Slack Adjuster is a self-setting automatic slack adjuster designed for trailer axles with 16-1/2 inch brake systems. This premium fleet-grade component mirrors Haldex Type S performance, featuring a 5.5-inch arm and 1-1/2" diameter 28-spline input. Bracket kit included for complete installation.
Key Features
- Self-setting Haldex-type automatic slack adjuster
- Designed for trailer axles with 16.5" brakes
- 1-1/2" diameter, 28-spline input shaft
- 5.5" arm length for common axle spacing
- Includes 135.H0563 hardware bracket kit
- Fleet Premium grade for extended service life
Specifications
- Brand: Automann
- Part Number: 135.S2840
- UPC: 889626014536
- Slack Type: Automatic - Haldex Self-Setting
- Spline Count: 28
- Spline Diameter: 1-1/2"
- Arm Length: 5-1/2"
- Weight: 8 lbs
- Shipping Dimensions: 11 x 6.375 x 3.5 in
Kit Contents
- (1) Slack Adjuster - 135.S2840
- (1) Bracket Kit - 135.H0563
Applications
Used on trailer axles equipped with 16.5" brake systems across Dana/Spicer, Eaton, Meritor, and Standard Forge configurations. Designed to match Haldex automatic slack adjuster specs and fit.
Cross References
- Haldex: 40020211, 40920002
- Euclid: E-11921
- Meritor: M808019
- Mack: 569640020211
- Volvo: MID40020211
Additional Info
- Can replace standard version 135.2840
- Fleet Premium product for demanding environments
