The Matco Aircraft Landing Systems WHLB4 4 INCH inch brake assembly is designed for use with Matco Aircraft Landing Systems wheels. This model uses an Internal caliper design and is designed to be used with the WHLD4 disc. The WHLB4 is supplied with NONE brake plate adapter.
The M66-103 brake pad is used. This semi-metallic friction material compound was selected for its high friction performance and low fade at elevated temperatures to provide smooth stopping under high load conditions. The reline kit for this brake is the BRL-2 which includes linings and rivets for two calipers.
Most models of Matco Aircraft Landing Systems brakes are upgradeable to higher torque configurations as engine size or tire changes. Check our brake conversion kits or call our technical support staff for your specific needs.
The WHLB4 is designed for the following specifications:
The B4 brake uses the PH-2 caliper using 1.25 inch diameter pistons. This model has been replaced by the B4XT caliper using 1.5 inch pistons to provide eXtra Torque. The B4XT brake assembly uses the new PH-4Xt caliper housing that is machined from bar stock instead of a die cast housing as used on the obsolete PH-2.