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Brakes & Wheel End
NEW BRAKE SHOE KITS
RSD: 20,000 GAWR
• Premium friction material formulated and tested to exceed FMVSS 121 (RSD) Reduced Stopping Distance Requirements • Our premium friction material has been third-party certified to exceed all dynamometer and on-vehicle performance mandates (AL Factor 165) • New steel brake shoes are heat-treated, hardened to precise standards and then powder coated to withstand the harshest conditions
PN
APPLICATION
DRUM DIAMETER WIDTH
K4725E-RSD20 Eaton ES K4709E2-RSD20 Eaton ES I & II K4720Q-RSD20 Meritor® Q+™ K4707Q-RSD20 Meritor Q+ K4718Q-RSD20 Meritor Q+
16.50" 16.50" 16.50" 16.50" 16.50"
6.00" 7.00" 5.00" 7.00" 8.00"
TESTING Typical inertia dynamometer plot test parameters
FMVSS 121 BRAKE STANDARD: RSD 20K
RED
RECOVERY
BRAKE FADE
8 7 6 5 4 3 2 1 0 20 30 40 50 60 70 80 50 MPH RETARDATION MINIMUM
RS
Brake: 16.5" x 7" Drive axle 16.5" x 5" Steer axle Axle Load: 20,000 lb AL Factor: 165 Normal Friction: 0.493 G Hot Friction: 0.488 G
120
1200
120
1200
MAXIMUM LIMIT
MAXIMUM LIMIT
80
800
80
800
LA
40
400
40
400
UNL
0 1 3 5 7 9 11 13 15 17 19 MINIMUM LIMIT
0
0
0
1 2 3 4 5 6 7 8 9 10
STOPS
STOPS
AIR PRESSURE (PSI )
PRESSURE TEMPERATURE (ºF)
PRESSURE TEMPERATURE (ºF)
REDUCED STOPPING DISTANCE TESTING: RSD 20K
8 7 6 5 4 3 2 1 0 20 30 40 50 60 70 80 50 MPH RETARDATION MINIMUM
RSD Standard & OTR Stopping Distance
1200
FMVSS 121
250 FEET
800
LADEN
OTR RSD
400
FMVSS 121
235 FEET
UNLADEN
OTR RSD 186 FEET
0 5 17 19
AIR PRESSURE (PSI )
0 50 100 150 200 250
ATURE (ºF)
FEET
FleetPride.com
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