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

Company Name
Contact
Address 1
Address 2
Phone (Optional)
Email Address
Vehicle Type
Vehicle Model Number
Approximate Annual Volume
Normal Brake Usage	Service Park/ Secondary
Brake Location	Wheel Drive Shaft
Actuation	Mechanical Hydraulic SAHR
Actuation Fluid	Automotive Brake Fluid Mineral Oil Air
Gross Vehicle Weight (W gross)
Empty Vehicle Weight (W empty)
Gear Reduction (Gear red)	All gear reduction between the brake location and the vehicle ground contact.
Total Resistance (R%)	2% standard unless otherwise specified.
Maximum Brake Pressure (Pmax)	Maximum pressure available at brake input.
Number of Braked Wheels (n wheel)
Tire Rolling Radius in inches: Static (Rstatic)	Dynamic (Rdvn)
Brake Clearance in inches: Rim I.D.
Hub O.D.
Disc Dimensions in inches: O.D.
Thickness
Grade Hold Requirement (Gstatic.%)
Maximum Level Surface Speed (Vmax)
Stop Distance Requirement (Sstop)
System Actuating Time Delay (tdelay)	0% will be used unless otherwise specified.
Dynamic Grade Requirement (Gdvn.%)
Ground Coefficient (µground)	0.5 is typical ground coefficient for unmaintained loose earth.
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M4 SERIES SERVICE BRAKE

Additional Product Details

Technical Specifications

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