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  • P89 DISC BRAKES

    SAF -HOLLAND is recognized as a global leader in air disc brake technology, with millions of disc brake axles in service, worldwide, since 1996.

    Leveraging its global network of engineering, testing and manufacturing expertise, SAF-HOLLAND has developed the P89 disc brake system to meet the unique requirements of the North American trailer market.

    Download the P89 Sales Flyer

    See the Complete P89 Story

    P89 AIR DISC BRAKE ADVANTAGES


    CONSIDERABLE WEIGHT SAVINGS

    • 50 lbs.  Per Tandem Savings
      - When compared to drum brake systems

    REDUCED MAINTENANCE

    • Significantly Longer Brake Pad Life for Extended Service Intervals - Some fleets have reported a substantial increase in miles between brake jobs.
    • Replacing Disc Brake Pads Takes Less Than Half the Time - When compared to replacing conventional drum brake linings.
    • The Automatic Brake Adjustment Mechanism - Built into the disc brake caliper. This means there are no slack adjusters to maintain and brake stroke to control.
    • Lower Risk for Out-of-Service Adjustment Violations - When compared to drum brakes
    • Designed to Accept Industry Standard Wear Parts.
    • Five-Year Parts and Labor Warranty.


    BRAKING PERFORMANCE

    • Reduced Brake Fade
      - Traditional brake drums expand away from the brake lining during hard braking, resulting in brake fade. Disc brake rotors expand toward the brake pads during similar braking events, essentially eliminating mechanical brake fade
    • Shorter Stopping Distances
      - When compared to drum brake systems


    DESIGNED FOR THE NORTH AMERICAN MARKET

    • SAF SBS 2220-K0 Dual Piston Caliper Design
      - Increases braking performance and pad life, uses larger brake pads and provides more even pad wear when compared to a single piston design
    • Dual Sealed Slide Pins
      - Maintenance requirements simplified by eliminating the need for lubrication
    • Premium Brake Chamber
      - All steel design with full immersion e-coating of housing and internal components for long life corrosion protection
    • Semi-Metallic Disc brake Pads
      - 20% larger to provide the optimum balance of stopping power and long wear life to extend service intervals
    • Heavy-Duty Vented Rotor
      - large internal cooling channels and 30% more wearable rotor surface than comparable designs. More evenly dissipates heat to reduce rotor distortion for a long service life
    • Heavy-Duty Parallel Spindle Wheel End
      - robust spindle design with large 89mm inner and outer wheel bearings for enhanced performance, reliability and unmatched durability
  • SUSPENSION FEATURES

    SAF-ULX40 SUSPENSION

    CAPACITY: up to 40,000 lbs.

    • Easy to maintain with fewer components:
    • No Shocks
    • No Air Springs
    • No Dock-Lock Devices
    • Makes for Quick and Easy Routine Inspections.

    EXCLUSIVE FEATURES

    HEAVY-DUTY SLIDER SUB-FRAME

    Heavy-duty 10" deep slider box is manufactured from 80ksi. yield steel for unmatched strength and durability. Strategically located crossmembers allow this sub-frame to better resist racking and buckling.


    SAF X-SERIES 5.75" DIAMETER AXLE

    SAF ULX40 comes standard with a 5.75" diameter axles. The optimized design of this axle brings a 20 lb. weight savings per tandem and is over 30% more rigid when compared to the standard 5" diameter axles.


    PIN-PULL AIR RELEASE SYSTEM

    A simple, efficient pin-pull system. The air release design is compact, durable, and allows easy manual operation in the event of an air-down situation.

     

    FACTORY APPLIED BLACK ARMOUR CORROSION PROTECTION

    This advanced corrosion protection provides the ultimate in metal defense against rust and corrosion. Weighs and cost significantly less than hot-dip galvanization.

    Learn More ...

  • COMMERCIAL WARRANTIES

    The Commercial Warranty on the ULX40 spring ride suspension axle & slider system with P89™ air disc brakes for US and Canada, sets the standard in the air ride suspension market. SAF-HOLLAND offers you the confidence and peace of mind that no other suspension manufacturer can.

    SAF 89™ AIR DISC BRAKES

    CALIPER(1) - 5-YR Parts  &  Labor

    BRAKE PADS(2) - 5-YR Parts  &  Labor

    ROTOR (3) - 5-YR Parts  &  Labor

    BRAKE CHAMBER - 5-YR Parts  &  Labor

    HUB - 5-YR Parts  &  Labor

    BEARINGS - 5-YR Parts  &  Labor

    WHEEL SEALS, HUB CAPS & AXLE NUTS - 5-YR Parts  &  Labor

    OTHER -  5-YR Parts  &  Labor

    1. Excludes wear items such as slide pins, bushings, and rubber boots. These items are warranted to be free from material and workmanship defects.

    2. Excludes normal wear. Pads are warranted to be free from material and workmanship defects

    3. Excludes heat cracks and corrosion perforation of the rotor.

     

    ULX40 SPRING RIDE SUSPENSION
    AXLE & SLIDER SYSTEM

    MAJOR COMPONENTS: Main structural components which include, but are not limited to, slider box, hangers, etc. -10-YR Parts  &  Labor

    SAF-HOLLAND Supplied Axle Beam, Welded Bracket and Axle Connections - 10-YR Parts  &  Labor

    STEEL SPRING - 5-YR Parts  &  Labor

  • SUPPORT LITERATURE

     

    Service Manual - P89 Disc Brake Axles

    XL-SA20018UM

     

    This manual provides the necessary information for the maintenance, inspection and safe operation of the SAF P89 disc brake.

     

    Read this manual before using or servicing this product.

     

    P89 and ULX40 Parts Guide

     

    Find Original Parts for your SAF-ULX40 trailer suspension.

     

    SAF P89 Sales Flyer

    SAF P89™ air disc brakes features and benefits information.

  • SERVICE VIDEOS

    P89 DISC BRAKES

     

    SAF P89-SERVICE-1 Air Disc Brake - Inspecting and Replacing Brake Pads

    Service Video 1 of 5:
    This video will walk you through the process of inspecting and/or replacing the brake pads on your SAF P89 Air Disc Brake system.

    SAF P89-SERVICE-2 Air Disc Brake - Replacing Brake Chamber

    Service Video 2 of 5:

    This video will show you the proper steps to perform while replacing the brake chambers of your SAF P89 Air Disc Brake system.

    SAF P89-SERVICE-3 Air Disc Brake - Replacing Brake Caliper

    Service Video 3 of 5:

    This video will show you the proper steps to perform to replacing the brake calipers of your SAF P89 Air Disc Brake system.

    SAF P89-SERVICE-4 Air Disc Brake - Replacing the Rotor

    Service Video 4 of 5:

    This video will show you the proper steps to replace the rotors of your SAF P89 Air Disc Brake system.

    SAF P89-SERVICE-5 Air Disc Brake - Checking Adjuster Operation

    Service Video 5 of 5:

    This video will walk you through the Checking the Adjuster Operation for your SAF P89 Air Disc Brake system.