Carlisle Brake & Friction Carlisle Brake & Friction
M4 SERIES SERVICE BRAKE

M4 SERIES SERVICE BRAKE

The Carlisle Brake & Friction M4 Series Service Brake is a hydraulically actuated, four-piston, caliper disc brake designed for a variety of dynamic braking requirements. This brake is typically mounted to a flange on the vehicle’s axle or mounting bracket for service brake applications.

Additional Product Details

  • Flexible mounting alternatives to accommodate numerous vehicle types
  • Constructed from ductile iron casting for superior brake durability
  • Asbestos-free linings
  • Optional seal materials available for compatibility with all actuation fluids and temperatures
  • Open caliper provides easy access for visual inspection and serviceability

Technical Specifications

Caliper Material High-strength ductile iron
Disc Diameter Range 18.0 in to 20.0 in (457.2 mm to 508.0 mm)
Disc Thickness 0.625 in to 0.750 in (15.9 mm to 19.1 mm)
Displacement per Brake 1.0 in³ (16.4 cm³)
Lining Area per Brake 68 in² / 438.71 cm²
Maximum Pressure 2300 psi / 158.58 bar
Mounting Attitude 3, 9 o’clock
Number of Pistons 4
Assembly Weight 98 lbs / 44.45 kg

Recommended Related Products

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.
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