H491D Standard Features

• Aluminum Construction
• Hardcoated
• Fits on Brake Discs with Unlimited Diameter
• Replaceable Friction Pads (WCB p/n 4000-1014)
• Internal Crossover Porting
• Dynamic torque (inch/lb): 353.5 lbf per 100 psi x braking radius
• Parking/static torque (inch/lb): 211 lbf per 100 psi x braking radius

H962D Standard Features

• Cast Aluminum Construction
• Hardcoated
• Fits on Brake Discs up to 18" Diameter
• Quick Change Friction Pads without Dismounting
• Replaceable Friction Pads (WCB p/n 4000-1272)
• Internal Crossover Porting
• 9.62 in.Sq. Piston Area
• Dynamic torque (inch/lb): 693 lbf per 100 psi x braking radius
• Parking/static torque (inch/lb): 347 lbf per 100 psi x braking radius

H2-90D Standard Features - Click here for See Thru Model

• Double live side caliper disc brake
• Cast ductile iron construction
• Fits on brake discs from 20 inches to unlimited diameter
• Disc widths of 1/2, 5/8, 3/4, 1, 1-1/8, 1-1/4 inches standard
• Disc widths of metric sizes may be ordered
• 2500 psi rated maximum
• 4 Ea. 92mm (3.625 inch) diameter pistons
• 47.0 square inch total piston area
• 1/4-19 BSP Porting
• 1.0 inch total friction pad wear
• Poly-Pak piston seals
• Internal crossover porting
• 24 cubic inches of wearable friction material
• .45 coefficient of friction
• 103,200 lbs of clamping force at 2000 psi
• 46,440 lbs of tangential force
• Metric fasteners available
• Can be ordered without spacer and bolt hardware

H3-120D Standard Features - Click here for See Thru Model

• 78.74 Minimum Disc Diameter
• Double live side caliper disc brake
• Cast Ductile Iron Construction
• Disc widths of 3/4, 1, 1-1/8, 1-1/2, 1-5/8 inches standard
• Disc widths of imperial or metric sizes may be ordered
• 2500 psi rated
• 6 Ea. 120mm (4.75 inch) diameter pistons
• 106.32 square inch total piston area
• 3/4 inch total friction pad wear
• Poly-Pak piston seals
• .45 coefficient of friction
• 121.83 cu. in. of wearable friction material
• 265,800 lb. clamping force @ 2500 psi
• 119,610 lb. tangential force
• Braking radius = Disc radius-2.553

• Optional internal cross over porting
• Optional BSP porting
• Optional friction pad retractors
• Optional organic or sintered metal pads
• Optional Electro Nickel plating

All piston bores and ports are interconnected with cross over porting. Without cross over porting, all bores and porting of each housing side are interconnected only.

Live side housing assemblies are available as individual items. All bolts, nuts, washers and disc spacers to be furnished by customer. Live side housing assemblies can be provided with or without cross over porting.

Pre-production at this time. Consult factory for availability.