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PCR, TBR & Tyres

What do PCR, TBR and OTR Mean?

Written by Madelon Bastiaanssen

3 min read

Published on: 24 Mar 2026

Three abbreviations dominate the tyre industry: PCR, TBR and OTR. Industry veterans know them by heart. Newcomers often find them confusing. At Magna Tyres, we focus exclusively on OTR and TBR tyres. Here's what each term means and why it matters to your operations.

PCR Tyres: passenger car radials

PCR stands for Passenger Car Radial tyres. These fit standard passenger vehicles. Nothing more complex than that. You’ll often hear them simply called “tyres” because their application is so specific.

A related term is PLT (Passenger and Light Truck). This category includes both PCR tyres and light truck tyres. Don’t confuse PLT light truck tyres with TBR tyres though. PLT tyres use a semi-steel construction that delivers comfortable driving. Common sizes include 185/65R14 and 215/60R16.

We don’t manufacture PCR or PLT tyres. We specialise in heavy-duty applications. Our focus is always on the industrial and off-road segments where reliability directly impacts your bottom line.

TBR Tyres: Built for Commercial Work

TBR means Truck, Bus and Radial tyres. You’ll find these on commercial vehicles that transport goods and passengers. The construction differs significantly from passenger car tyres.

TBR tyres feature all-steel wire construction. This design delivers superior load-bearing capacity. Your trucks carry heavier loads with better durability. The industry sometimes calls these “commercial tyres” because of their widespread use in commercial transport.

We produce TBR tyres in multiple sizes. Popular options include 13R22.5, 12.00R20 and 325/95R24. Our TBR range is engineered specifically for off-road truck operations. The wide, deep tread pattern extends tyre life significantly. You reduce replacement frequency and lower your total cost of ownership.

TBR Magna Tyres

TBR Magna Tyres

OTR Tyres: Engineered for Extreme Conditions

OTR stands for Off-The-Road tyres. These are the giants. Dump trucks, loaders, graders and other heavy machinery rely on OTR tyres to perform in demanding environments. Mining sites, ports, terminals and construction zones are their natural habitat.

Size matters in OTR applications. We offer sizes ranging from 16.00R25 to 29.5R25 and beyond. Each tyre is designed with deep tread depth and heat-resistant rubber compounds. Your machines operate longer between replacements. Downtime decreases. Productivity increases.

OTR tyres must withstand extreme loads and harsh surfaces. Rocks, mud, debris and temperature fluctuations are part of daily operations. Our compounds and construction methods address these challenges directly. You get consistent performance across all off-road applications.

CAT Vehicle with OTR Tyre

Understanding the Difference Matters

Choosing the right tyre category affects your operational efficiency. PCR tyres won’t survive on a mining haul truck. OTR tyres are unnecessary on passenger vehicles. Match the tyre to the application. At Magna Tyres, we’re here to help you select the right solution. Our technical team understands the demands of your industry. Contact us to discuss which TBR or OTR tyre specification best suits your fleet requirements.

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Still have questions? Check the FAQs below or connect with one of our specialists.

What is the difference between PCR, TBR and OTR tyres?

PCR (Passenger Car Radial) tyres are designed for passenger vehicles. TBR (Truck, Bus and Radial) tyres feature all-steel construction for commercial transport. OTR (Off-The-Road) tyres are the heaviest category, built for mining, construction and port operations. Each category differs fundamentally in construction, compound and application.

What are TBR tyres used for and which sizes are available?

TBR tyres are built for commercial freight and heavy transport on road and unpaved surfaces. The all-steel construction delivers superior load capacity and durability. Common sizes include 13R22.5, 12.00R20 and 325/95R24. Magna Tyres engineers TBR tyres specifically for off-road truck operations, reducing replacement frequency and lowering total cost of ownership.

What makes OTR tyres suitable for mining and port operations?

OTR tyres withstand extreme loads, sharp rock, debris and temperature fluctuations. Deep tread depth and heat-resistant rubber compounds extend operational life between replacements. Magna Tyres supplies OTR sizes from 16.00R25 to 29.5R25 and beyond, proven on dumpers, loaders and graders. Less downtime.

Does Magna Tyres produce PCR tyres?

No. Magna Tyres focuses exclusively on TBR and OTR tyres for industrial and off-road applications. Contact our technical team to find the right specification for your fleet.

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