TTMA member reviewed practices to guide the manufacturer of trailers and trailer-related equipment.

TTMA Member reviewed publications to guide end users and people working on trailers.

Lowbed and Heavy Duty Platform Trailer Users Manual Trailer Identification Manual

RP No. 36 – Tank Trailer and Tank Container Nomenclature
RP No. 66 – Trailer Nomenclature

RP No. 12 – Trailer Air Brake System Integrity Test RP No. 44 – Air Brake Application & Release Test RP No. 49 – FMVSS 121 Trailer Testing & Certification RP No. 51 – Auxiliary Air Systems RP No. 58 – FMVSS 121 Brake Requirements for Lowbed and Specialized Trailers RP No. 62 – Vibration Evaluation of Spring Brake Chamber on a Trailer Axle Mounting RP No. 71 – Trailer Axle Alignment RP No. 97 – Trailer Antilock Braking System Wiring TB No. 70 – Spring Parking and Emergency Brakes on FMVSS 121 Equipped Trailers TB No. 99 – Disposition of Spring Brake Chambers TB No. 114 – Wheel-End Separations

RP No. 1 – Permissible Load Concentration for Straight Floor Van Trailers
RP No. 37 – Rating of Van Trailer and Container Floors for Lift Truck Loading
RP No. 67 – Rating of Platform Trailer Floors for Lift Truck Loading
TB No. 77 – Cracked or Broken Main Beams on a Platform Trailer
TB No. 88 – Broken Wood Floorboard Repair

RP No. 6 – Trailer Hitches and Connections for Interchange Service
TB No. 71 – Fifth Wheel Pick-Up Ramps for Truck Tractors
TB No. 78 – Upper Coupler Attachment Fasteners for Van Type Trailers
TB No. 110-Upper Coupler Attachment Bolts for Trailers with Repositionable Upper Couplers

RP No. 4 – Truck Trailer Landing Gear (Screw Type)
TB No. 57 – Guidelines on When to Use Stabilizing Devices on Semitrailers

RP No. 55 – Trailer Entry Securement
TB No. 79 – Repair & Replacement of Damaged Body Members on Sheet & Post and FRP Van Trailers

RP No. 35 – Permanent Safety Signs/Labels for Truck Trailers and Containers
RP No. 39 – Method for Determining GAWR and GVWR for Truck Trailer Certification
RP No. 53 – U.S. Trailer Certification Label
RP No. 56 – Trailer Vehicle Identification Number
RP No. 68 – Urethane Foam Flammability and Safety Measures Caution Sign
RP No. 100 – Determination of Trailer Length and Width

RP No. 9 – Location of Lighting Devices
RP No. 90 – Side Turn Signal Lamps for Long Trailers
RP No. 93 – Trailer Conspicuity Systems
RP No. 97 – Trailer Antilock Braking System Wiring
RP No. 103 -Trailer Tracking Installation
RP No. 104 – OEM Trailer Preparation for Systems Using High Voltage Current Cable in Trailer Bodies
TB No. 65 – Wiring Diagram for Truck Trailers
TB No. 111 -Electrical System Maintenance and Repair for Trailers Without Sealed Wiring Harness Systems
TB No. 119 – Electrical Interface for Truck-Trailer Interconnection

TB No. 60 – Corrosion Prevention for Aluminum Tanks
TB No. 101 – Corrosion in General Purpose Stainless Steel Tanks

RP No. 41 – Splash Guard Attachments Where Mounting Holes Are Required

RP No. 32 – Method for Testing and Evaluating Trailer Steel Leaf Spring Fatigue Life TB No. 89 – Sliding Undercarriage Retention TB No. 114 – Wheel-End Separations

RP No. 47 – Testing, Rating, and Labeling Platform and Van Trailers for Cargo Securement Capability RP No. 100 -Determination of Trailer Length and Width RP No. 103 -Trailer Tracking Installation TB No. 95 – Trailer Specification TB No. 104 – Dimensions Affecting Interchange of Van & Platform Double Trailers TB No. 124 – Pressure Washing Precautions

RP No. 65 – Stretch Van Trailers for Over-the-Road Service
TB No. 79 – Repair & Replacement of Damaged Body Members on Sheet & Post and FRP Van Trailers
TB No. 86 – Modification of Used Vans for Hauling Wood Chips

RP No. 38 – Method of Testing and Rating Heat Transmission of Controlled-Temperature Vehicle/Domestic Containers
RP No. 68 – Urethane Foam Flammability and Safety Measures Caution Sign
RP No. 104 – OEM Trailer Preparation for Systems Using HIgh Voltage Current Cable in Trailer Bodies
TB No. 97 – Urethane Foam Flammability and Safety Measures

RP No. 64 – Rolling Tail Pipes
TB No. 94 – Loading and Use of Lowbed Trailers
TB No. 108 – Spread/Steering Axle Specialty Trailers
Lowbed & Heavy Duty Platform Trailer Users Manual

RP No. 47 – Testing, Rating, and Labeling Platform and Van Trailers for Cargo Securement Capability
RP No. 67 – Rating of Platform Trailer Floors for Lift Truck Loading
TB No. 77 – Cracked or Broken Main Beams on Platform Trailer

TB No. 74 – End Dump Trailer Operation

TB No. 87 – Loading Hanging Meat in and Operation of Meat Rail Trailers

RP No. 72 – Trailer Converter Dolly
TB No. 104 – Dimensions Affecting Interchange of Van & Platform Double Trailers

RP No. 24 – Classification of Weld Finishes for Stainless Steel Tank Vehicles RP No. 28 – Flange and Emergency Valve Dimensional Information RP No. 33 – Clean-Out Nipples on Tank Trailers RP No. 35 – Permanent Safety Signs/Labels for Truck Trailers & Containers RP No. 36 – Tank Trailer and Tank Container Nomenclature RP No. 54 – External Work on Cargo Tank Motor Vehicles, Which May Have Been in Flammable or Combustible Service RP No. 59 – Tank Trailer Ladders and Walkways RP No. 80 – Drive Shaft Protection on Trailers RP No. 81 – Performance of Spring Loaded Pressure Relief Valves on MC 306, MC 307, MC 312, DOT 407, and DOT 412 Tanks RP No. 84 – Emergency Valve Shear Device Impact Test Procedure RP No. 86 – Emergency Valve Shear Section Strength Calculations RP No. 87 – DOT 400 Series Cargo Tank Rollover Protection RP No. 96 – Structural Integrity of DOT 406, DOT 407 and DOT 412 Cylindrical Cargo Tank RP No. 98 – Cargo Tank to Truck Chassis Attachment (DOT 406, DOT 407 and DOT 412) RP No. 101 – Verification of Finite Element Analysis RP No. 102 – Vapor Recovery Line Configurations for DOT 407 and DOT 412 Cargo Tanks RP No. 105 – Cargo Tank Risk Management Committee (CTRMC) Vision 2020 for Common Tank Trailer Ladders, Walkways & Dimensions RP No. 106 – Common Connections for Chemical Cargo Tanks TB No. 58 – Tank Venting TB No. 95 – Trailer Specification TB No. 109 – Pressure Supply Manifold for Unloading Tank Vehicles TB No. 120 – Graphic Illustrations of Motor Carrier Tank Specifications MC 306, MC 307, & MC 312 TB No. 121 – Inspection of Unwetted Circumferential Seam Welds, in a Self-Supporting Cargo Tank Motor Vehicle Where External Visual Inspection is Precluded TB No. 125 – CTRMC General Ladders and Tank Access Equipment Maintenance TB No. 126 – Bench Testing Reclosing Pressure Relief Devices TB No. 127 – Out of Print MC-300 Construction Regulations 178.340-343 TB No. 128 – Hazardous Materials Definitions and Code Refernces

RP No. 54 – External Work on Cargo Tank Motor Vehicles, Which May Have Been in Flammable or Combustible Service
RP No. 95 – HAZMAT Training for Manufacturers of DOT Specification Cargo Tanks
TB No. 96 – Identification of Openings in Voids and Vapor Return Systems Prior to Cleaning and Repairing MC 306, DOT 406, MC 307, DOT 407, and Insulated Tanks
TB No. 101 – Corrosion in General Purpose Stainless Steel Tanks
TB No. 126 – Bench Testing Reclosing Pressure Relief Devices

RP No. 105 – Cargo Tank Risk Management Committee (CTRMC) Vision 2020 for Common Tank Trailer Ladders, Walkways & Dimensions RP No. 106 – Common Connections for Chemical Cargo Tanks TB No. 125 – CTRMC General Ladders and Tank Access Equipment Maintenance

RP No. 45 – Vapor Collection for MC 306 & DOT 406 Cargo Tanks
RP No. 46 – Bottom Loading MC 306 & DOT 406 Cargo Tanks
RP No. 61 – Performance Recommendations for Manhole and/or Fill Opening Assemblies
RP No. 73 – Static Grounding or Bonding of Flammable Liquid Tank Trailers
RP No. 77 – Baffle Emergency Drain Cut Outs for Cargo Tanks
RP No. 83 – Leak Testing Newly Manufactured Cargo Tanks & Cargo Tank Vapor Recovery Systems
RP No. 87- DOT 400 Series Cargo Tank Rollover Protection
RP No. 94 – Pressure Test Qualification of the Structural Integrity of DOT 406 & Low Pressure DOT 412 Cargo Tanks
TB No. 80 – MC 306 Tank Vehicles
TB No. 92 – Maintenance of MC 306 Manhole and/or Fill Assemblies
TB No. 96 – Identification of Openings in Voids and Vapor Return Systems Prior to Cleaning and Repairing MC 306, DOT 406, MC 307, DOT 407, and Insulated Tank Vehicles
TB No. 102 – Operation and Maintenance of MC 306 and DOT 406 Cargo Tank Bottom Loading Systems
TB No. 105 – Safe Use of Cargo Tank Vapor Collection Systems
TB No. 107 – Procedure for Testing In-Service Unmarked, and/or Uncertified MC 306 and Non-ASME MC 312 Type Cargo Tank Manhole Covers
TB No. 117 – Orientation of PAF Manholes with Integral Hinged 10 -inch Fill Style Emergency Pressure Relief Valves
TB No. 126 – Bench Testing Reclosing Pressure Relief Devices

RP No. 57 – Placement of Girth Seams on Self-Supporting Tanks
RP No. 78 – Design of Circumferential Reinforcing Members on Carbon Steel Cargo Tanks Where Internal Thickness Testing is Precluded by Lining or Product Heel
RP No. 87 – DOT 400 Series Cargo Tank Rollover Protection
RP No. 105 – Cargo Tank Risk Management Committee (CTRMC) Vision 2020 for Common Tank Trailer Ladders, Walkways & Dimensions
TB No. 61 – Preheating of General Purpose Chemical Tanks Tank Trailers
TB No. 96 – Identification of Openings in Voids and Vapor Return Systems Prior to Cleaning and Repairing MC 306, DOT 406, MC 307, DOT 407, and Insulated Tanks
TB No. 101 – Corrosion in General Purpose Stainless Steel Tanks
TB No. 103 – Liquid and Vapor Control During Loading/ Unloading Tanks
TB No. 109 – Pressure Supply Manifold for Unloading Tank Vehicles
TB No. 113 – Thickness Testing of Unlined Cargo Tanks in DOT Service
TB No. 116 – Determination of MC 300 Series Cargo Tank Minimum Thickness
TB No. 122 – Operation of Typical Vapor Recovery (VRL) Lines on DOT 407 and DOT 412 Cargo Tanks
TB No. 123 – Vapor Recovery Retrofit of MC 307 and MC 312 Cargo Tanks
TB No. 126 – Bench Testing Reclosing Pressure Relief Devices

RP No. 57 – Placement of Girth Seams on Self-Supporting Tanks Fill Opening Assemblies
RP No. 78 – Design of Circumferential Reinforcing Members on Carbon Steel Cargo Tanks Where Internal Thickness Testing is Precluded by Lining or Product Heel
RP No. 87 – DOT 400 Series Cargo Tank Rollover Protection
RP No. 94 – Pressure Test Qualification of the Structural Integrity of DOT 406 & Low Pressure DOT 412 Cargo Tanks
TB No. 61 – Preheating of General Purpose Chemical Tanks
TB No. 100 – Inspection of Reinforcing Members on Lined MC 312 Vessels
TB No. 101 – Corrosion of General Purpose Stainless Steel Tanks Procedure for Testing In-Service Unmarked, and/or Uncertified MC 306 and Non-ASME MC 312 Type Cargo Tank Manhole Covers
TB No. 107 – Procedure for Testing In-Service, Unmarked, and/or Uncertified MC 306 and Non-ASME MC 312 Type Cargo Tank Manhole Covers
TB No. 109 – Pressure Supply Manifold for Unloading Tank Vehicles
TB No. 113 – Thickness Testing of Unlined Cargo Tanks in DOT Service
TB No. 116 – Determination of MC 300 Series Cargo Tank Minimum Thickness
TB No. 122 – Operation of Typical Vapor Recovery (VRL) Lines on DOT 407 and DOT 412 Cargo Tanks
TB No. 123 – Vapor Recovery Retrofit of MC 307 and MC 312 Cargo Tanks
TB No. 126 – Bench Testing Reclosing Pressure Relief Devices

TB No. 115 – Transportation of Food Grade Products in Dry Bulk Trailers
TB No. 118 – Transportation of Liquid Food Products

RP No. 21 – Tank Vehicles in Hot Products Service
TB No. 75 – Hot Products Tank Vehicles

RP No. 25 – Design & Construction of Dry Bulk Pneumatic Trailers
TB No. 76 – Dry Bulk Receiving Piping Recommendations
TB No. 83 – Pneumatic Tank Vehicle Usage
TB No. 84 – Tractor Air Supplies for Pneumatic Trailers
TB No. 115 – Pneumatic Tank Vehicles