Motor Wheel Brake Adjuster (formerly Crewson)
Automatic Brake Adjusters
Performance on the move
Reduce time spent under trucks and increase performance with Motor Wheel® Automatic Brake Adjusters. Designed with reduced maintenance and convenience in mind, they maintain proper shoe-to-drum clearance in all braking modes and can easily be installed in the field or on the shop floor.
Features & Benefits
With Motor Wheel Automatic Brake Adjusters, making sure trucks are up to code and operate safely is easy. Our brake adjusters have been designed with a variety of patented features including:
- Auto-Check®:
This advanced, optional feature allows for one to check air chamber stroke without crawling under the vehicle. - Cam Guard:
This lubrication system eliminates seizing and corrosion between the S-Cam and ABA. - Installation Guide:
This handy guide helps ensure correct and precise ABA installation. - Clearance-Sensing Adjuster System:
Motor Wheel Brake Adjusters features the industry’s premier reduced-wear clutch. - High-Strength Gearset:
Provides the ABA with durable operation in demanding conditions. - Blue Powder Coat:
Protects the ABA from harsh winter conditions. - Sealing:
The gear is sealed with a proprietary system that protects it from environmental contamination. - Pushrod Cutoff Tool:
For accurate measurements.
Download MW004 Motor Wheel Brake Adjuster PDF Brochure
Download MW007 Motor Wheel Brake Adjuster ABA Installation Instructions PDF Flyer
Download MW008 Motor Wheel Brake Adjuster Welded Clevis PDF Flyer
Download MW009 Motor Wheel Brake Adjuster Pushrod Cutting Instructions PDF Flyer
Download MW010 Motor Wheel Brake Adjuster Parts List PDF Flyer
Download MW011 Motor Wheel Brake Adjuster Components PDF Flyer
Download MW015 Motor Wheel Brake Adjuster Welded Clevis Installation Instructions PDF Flyer
Download MWT001 Tech Tip #1 MW ABA Preventative Maintenance
Français
Français MW004FR Motor Wheel Brake Adjuster PDFFrançais MW007FR Motor Wheel Brake Adjuster ABA Installation Instructions PDF Flyer
Français MW008FR Motor Wheel Brake Adjuster Welded Clevis PDF
Français MW009FR Motor Wheel Brake Adjuster Pushrod Cutting Instructions PDF Flyer
Français MW015FR Motor Wheel Brake Adjuster Welded Clevis Installation Instructions PDF Flyer
Español
Español MW004SP Motor Wheel Brake Adjuster PDFEspañol MW007SP Motor Wheel Brake Adjuster ABA Installation Instructions PDF Flyer
Español MW008SP Motor Wheel Brake Adjuster Welded Clevis PDF
Español MW009SP Motor Wheel Brake Adjuster Pushrod Cutting Instructions PDF Flyer
Español MW015SP Motor Wheel Brake Adjuster Welded Clevis Installation Instructions PDF Flyer
Installation
The Motor Wheel Automatic Brake Adjuster comes with our patented, structurally rigid installation guide. This handy and fool-proof guide ensures that even first-time users can install the ABA correctly every time.
Auto-Check
Our patented Auto-Check option is designed to provide a method of checking the air chamber stroke without going under the truck.
- Installed on the ABA facing the center of the vehicle to easily see if brake stroke is in an acceptable range.
- Bright red pointer easily indicates set-up position, indicates working stroke and shows if brake stroke is past acceptable limit without crawling under the vehicle.
- Offers an extra quality-control check.