3-01 2008 - THE TIRE AND RIMASSOCIATION, INC. - 2008 SECTION 3 INDEXTO TRUCK-BUSSECTION LOAD/INFL. GENERAL VEHICLES DESCRIPTION TABLE PAGE DATAPAGE TRUCK-BUSRADIALPLY TIRES Low Profile Wide Base Metric -15°Rim TBM-4 3-07 3-07 Metric -15° Rim TBM-2R 3-08, 3-10 3-09, 3-11 Metric - 15° Rim TBM-1R 3-12 3-13 Metric Wide Base -15° Rim MWB-1 3-14 3-14 Metric - 5° Rim TBM-3 3-15 3-15 Trucks, Busses, HC Low Platform Trailer - 15° Rim HC-2 3-16 3-17 and Trailers Heavy Duty Truck-15°Rim TTB-3R 3-18 3-19 WideBase-15° Rim WBTB-3R 3-20 3-21 Heavy Duty Truck - 5° Rim TB-3R 3-22, 3-24 3-23, 3-25 Special Bus SB-1R 3-26, 3-28 3-27, 3-29 LoadLimitsat VariousSpeeds 3-04 Trucks and Trailers RestrictedSpeed-5°Rim HTB-3R 3-30 3-31 used at Load Limits at Various Speeds 3-54 Restricted Speeds TRUCK-BUS DIAGONAL (BIAS) PLY TIRES Heavy Duty Truck - 15° Rim TTB-3B 3-32 3-33 WideBase-15°Rim WBTB-3B 3-34 3-35 Trucks, Busses, Heavy Duty Truck - 5°Rim TB-3B 3-36, 3-38 3-37, 3-39 and Trailers Special Bus SB-1B 3-40, 3-42 3-41,3-43 3-04 Load Limits at Various Speeds Trucks and Trailers Restricted Speed-5°Rim HTB-3B 3-44 3-44 te pasn Load Limits at Various Speeds 3-54 Restricted Speeds MOBILE HOME DIAGONAL(BIAS) PLY TIRES Mobile Home Mobile Home Tires MH-2 3-45 3-45 MINING AND LOGGING TIRES Wide Base ML Tires WBTB-3ML 3-46 3-47 TB-9ML 3-48 3-49 Mining and Logging Mining and Logging Tires TB-8MLR 3-50 3-51 TB-8MLB 3-52 3-53 GENERAL Explanation of Tire Size Designations 3-02 TireSelectionandDefinitionof Terms 3-03 OptionalSpeedSymbols 3-05 Load and Inflation Information for Rims and Wheels 3-05 Notes to General Dataand Load Rating Tables 3-05 Definition of Maximum Grown Tire Envelope 3-06 NOTE: $ See Section 8 for Rim Contour dimensions. COLDINFLATION PRESSURES The inflation pressures shown in this section are those taken with the tires at theprevailingatmospherictemperaturesanddonotincludeanyinflationpressure build-up due to vehicle operation. DEFINITIONOF“NEW TIREDIMENSIONS"AND"MEASURINGPROCEDURE"(SEEPAGESXII ANDXII) DEFINITIONSOFPREFIXANDSUFFIXLETTERSUSEDINTIRESIZEDESIGNATIONS (SEE PAGES XIV AND XV) Menu 3-02 2008 - THE TIRE AND RIM AsS0CIATION, INC. - 2008 EXPLANATIONOFTIREDESIGNATIONSFORTRUCKTIRES METRICSIZEDESIGNATEDTIRES TIRE SIZE DESIGNATION OPTIONAL LOAD SERVICE TIRE SIZE DESIGNATION IDENTIFICATION DESCRIPTION 255 / 70 R 22.5 G 138/134 M 一 1 1 一 CONSTRUC- SPEED NOMINAL NOMINAL TION RIM LOAD SYMBOL SECTION ASPECT CODE DIAMETER RANGE LOAD INDEX WIDTH RATIO "R"-RADIAL CODE (SINGLE/DUAL) (mm) "D"-DIAGONAL CONVENTIONALSIZEDESIGNATEDTIRES 10.00 R 20 H 146/143 L 11 R 22.5 H 146/143 L 1 1 一 NOMINAL CONSTRUCTION RIM LOAD SPEED SECTION CODE DIAMETER RANGE SYMBOL WIDTH “R"-RADIAL CODE (INCHES) "_"-DIAGONAL LOADINDEX (SINGLE/DUAL) (A "TR" sufix is part of size designation on the 7.50-15TR, 8.25-15TR, 10.00-15TR and 11.00-15TR to indicate a tire for rims having a specified rim diameter of nominal plus .156 inches or plus .250 inches.) 8 R 17.5 HC F 122/120 一 1 1 1 1 NOMINAL CONSTRUCTION RIM FORUSE LOAD SPEED SECTION CODE DIAMETER ON"HC" RANGE SYMBOL WIDTH "R"-RADIAL CODE TYPE LOAD INDEX (INCHES) RIMS (SINGLE/DUAL) 10.00 R 20 ML F 11 R 22.5 ML F 7 R 14.5 MH E 1 NOMINAL CONSTRUCTION RIM LOAD SECTION CODE DIAMETER RANGE WIDTH "R"-RADIAL CODE (INCHES) ML-MININGANDLOGGING MH-MOBILE HOME TIRES Bac 3-03 2008 - THE TIRE AND RIM AsS0CIATION, INC. - 2008 SELECTION OF TIRES FOR TRUCKS, BUSSES,AND TRAILERS ANDDEFINITIONOFTERMS TIREAND RIMASSOCIATION STANDARD TIRESELECTION Truck-Bus Tires - Selection of size and load range on each axle shall be based upon the highest individual wheel load. proper load range and usage. DEFINITIONSOFTERMS MAXIMUM LOAD - The maximum load on individual tires is to be determined by the manu- facturerofthecompletedvehicle,andshallinclude: a. Curb Weight: Defined as the manufacturer's weight of the completed vehicle with standard equipment including cab and/or utility body and the maximum capacity of engine fuel, oil, and coolant. b. Driver and Occupan