The Truck Trailer Manufacturers Association’s Engineering Committee announces the following publications have been updated:
RP-39: Method for Determining GAWR and GVWR for Truck Trailer Certification
RP-44: Air Brake Application & Release Test
RP-109: Trailer Ground Clearance
TB-65: Wiring Diagram for Truck Trailers
TB-88: Broken Wood Floorboard Repair
TB-89: Sliding Undercarriage Retention
TB-97: Urethane Foam Flammability and Safety Measures
TB-114: Wheel-End Separations
TTMA publications are available at no cost to members in the Member Core and are available for purchase to non-members in the TTMA online store: https://www.trucktrailer.org/store/.
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