Carlisle Brake & Friction
  • Products
  • Markets
  • Parts & Services
  • Support
  • Sign In
  • 100th Anniversary
  • About Us
  • Careers
  • news & events
  • Credit Application
HDB640 SERIES SERVICE BRAKE

HDB640 SERIES SERVICE BRAKE

The Carlisle Brake & Friction HDB640 Series Service Brake is a hydraulically actuated, triple opposed piston, caliper disc brake designed for a variety of dynamic braking requirements. Both the caliper and disc requires fixed mountings. This brake provides a high torque range for heavy-duty service conditions. Multiple calipers may be used on a single disc to proportionately increase torque output. Most commonly used at the wheel location with 25 inch rims.

Additional Product Details

  • Flexible mounting alternatives to accommodate numerous vehicle types
  • Constructed from ductile iron casting for superior brake durability
  • Equipped with Carlisle premium asbestos-free linings, providing superior stopping performance and life
  • Optional seal materials available for compatibility with all actuation fluids and temperatures

 

Technical Specifications

Caliper Material High-strength ductile iron
Disc Diameter Range 18.5 in / 469.9 mm
Disc Thickness 1.57 in / 39.88 mm
Inlet Type .500-20 UNF
Lining Area per Brake 84 in² / 541.93 cm²
Lining Material Carlisle premium asbestos-free
Maximum Pressure 2500 psi / 172.37 bar
Mounting Attitude 3, 9, 12 o’clock
Number of Pistons 6
Assembly Weight 125 lbs / 56.7 kg

Recommended Related Products

  • SCL56 SERIES SERVICE BRAKE
    SCL56 SERIES SERVICE BRAKE
    • View Product Details
  • PD1425 SERIES SERVICE BRAKE
    PD1425 SERIES SERVICE BRAKE
    • View Product Details
  • SCL59 SERIES SERVICE BRAKE
    SCL59 SERIES SERVICE BRAKE
    • View Product Details
Normal Brake Usage

Brake Location

Actuation


Actuation Fluid


All gear reduction between the brake location and the vehicle ground contact.
2% standard unless otherwise specified.
Maximum pressure available at brake input.
Dynamic (Rdvn)
0% will be used unless otherwise specified.
0.5 is typical ground coefficient for unmaintained loose earth.
I agree to Carlisle Brake & Friction's Cookie and Privacy Policy.
Security code
 
Carlisle Brake & Friction
Main Headquarters
920 Lake Road
Medina, OH 44256, U.S.A
Connect With Us
On Social Media
  • Find a Distributor

© Carlisle Brake & Friction, All Rights Reserved | Privacy Policy | Cookie Policy | Copyright © 2025

Carlisle Brake & Friction is part of CentroMotion, a global manufacturing company specializing in friction products, information and control devices, mechanical power transmission products, and thermal and motion controls.

CentroMotion Brands: Carlisle Brake & Friction | CrossControl | Elliott Manufacturing | Gits Mfg. | maximatecc |Power-Packer | Weasler