For truck tyre industry insiders, we usually say “TBR,PCR,OTR,AGR“, what does these mean exactly ? Actually TBR,PCR,OTR,AGR are different meaning of tyres segements and they are short terms of truck tyres, passenger car tyres, off-the-road tyre, agricultural tyres accordingly.
TBR, which is short for Truck & Bus Radial Tyres, are commonly used on different trucks, bus, commerical fleet, semi trucks, etc..Most popular TBR tyre sizes are: 750R16, 825R16, 900R20 1000R20 1100R20 1200R20 11R22.5 12R22.5 315/80R22.5 385/65R22.5 425/65R22.5 13R22.5 etc..
PCR, which is short for Passenger Car Tyres, are commonly used for passenger car, 4X4, pick-up, etc..Sizes are 12”-22” inches.. PCR have thousands of sizes and patterns as passnger car have so many types.. The PCR Tyre sizes are such as 145/70R12 165/65R3 175/70R14 185/70R14 195/70R14 195/65R15 205/55R16 215/75R15 135/75R15 245/75R16 265/75R16 31*10.5R15LT 265/60R18 32*12.5R18LT etc.. The tyre pattern have also many types such as AT, MT, UHP, Passenger car tires, etc..
OTR, which is short for OFF-THE-ROAD Tyres, indusrial tyres, are commonly used on different construction and mining sites, the machines are like all kinds of loader, skidsteer, earthmovers, straddle carrier,etc… By structure, the OTR tyres have 2 types, Nylon & Radial ; Nylon OTR Tyre sizes are like 17.5-25 20.5-25 23.5-25 26.5-25 29.5-25 etc ; Radial OTR tyre sizes are like 1400R20 1600R25 1800R25 17.5R25 20.5R25 23.5R25 29.5R25 etc..