The Midland Haldex AA1 Automatic Brake Adjuster, part number 41979226 or 419-79226, is a Transit/Severe Duty automatic slack adjuster designed for air brake systems. It features a 130mm arm length with a 15mm offset and a 14mm arm hole diameter. The spline specification is N42x1.5x9H per DIN 5480-26, and the body is angled at 120 degrees. A straight grease fitting is positioned at 180 degrees for easy lubrication access. This adjuster is sold individually without hardware. The opposite-side companion unit is 419-79225. Call us to confirm proper fit for your brake application.
Features
Automatic Brake Adjuster (ABA) AA1, Transit/Severe Duty rated
Arm length: 130mm with 15mm offset
Arm hole diameter: 14mm
Spline: N42x1.5x9H per DIN 5480-26
Body angle: 120 degrees
Straight grease fitting located at 180 degrees
Sold without hardware; opposite-side adjuster: 419-79225
Tech Specs
- Spline Diameter-Spline Count: N42x1.5x9H DIN 5480-26
- Arm Length: 130mm
- Body Angle: 120°
- Offset: 15mm
- Arm Hole Diameter: 14mm
- OEM Part Number: 419-79226
- Grease Fitting Location: 180°
- Grease Fitting Type: Straight
