PTP PR4711 Air Brake Shoes & Hardware Kit for Meritor 16-1/2" x 8-5/8" 'Q Plus' Part Number: 620-PR4711

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Product Description

Manufacturer: Pro Trucking Products

Part Number: PR4711

Fits 16-1/2" diameter × 8-5/8" wide Meritor “Q Plus” quick‑change brakes

New brake shoes

Shoe FMSI Number: 4711

Identified by the Plus (+) symbol in the brake shoe table

Includes two brake shoes and one hardware kit

Premium 23,000 lb brake lining

Brake Lining Certifications by Greening Testing Laboratories Regarding SAE J2115 Section 6 FMVSS 121 Dynamometer Test

Brake Retardation: Meets requirements, minimum pass margin approximately 2.4%

Brake Power: Meets requirements, maximum pressure = 75.5 lbf/in² (9 +0, –1 ft/s² deceleration < 100 lbf/in²)

Recovery: Meets requirements, maximum pressure = 79.5 lbf/in² (12 ± 0.5 ft/s² deceleration < 85 lbf/in² and > 20 lbf/in²)

Testing conducted in accordance with FMVSS 121 criteria @ 23,000 lb axle load, 16-1/2" × 7" S‑cam air brake, 30/30LS chamber × 5.5" span input power (slack adjuster), and a 19.6" tire rolling radius

Cross References: PR4711, 620-PR4711
A cross reference listing means that this item should be a suitable replacement for the part numbers listed. You should check the description to be sure it will work in your application.