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Product Details – 550/75R21 Radial Tire

This is an off-road / engineering radial tire size, widely used for construction machinery, heavy-duty vehicles and special off-highway equipment.

Size Definition

550/75R21

550: Nominal section width: 550 mm

75: Aspect ratio: 75% (sidewall height = 75% of section width)

R: Radial construction

21: Nominal rim diameter: 21 inch

Basic Specifications

Tire Type: Radial Off-Highway Tire

Application: Construction machinery, mining vehicles, heavy off-road trucks, earthmoving equipment

Structure: Multi-layer steel belt reinforced radial structure, strong load-bearing capacity and puncture resistance

Tread Feature: Deep block tread pattern, excellent traction on mud, gravel, rough unpaved ground

Advantages: Heavy load capacity, outstanding cut & chip resistance, good self-cleaning performance, stable running on rugged terrain

Product Features

Reinforced sidewall design to resist impact, cuts and bruises on harsh working sites

Deep tread blocks for strong grip and self-cleaning to prevent stone trapping

Optimized rubber compound to improve wear resistance and anti-tear performance

Robust steel cord radial structure for high load capacity and low heat generation

Suitable for mixed working conditions: gravel, mud, rocky and uneven construction sites

Application Scenarios

Earthmoving machinery

Mining & quarry equipment

Heavy off-road engineering vehicles

Construction site transport vehicles

Remarks

Load index and speed rating can be customized according to actual patterns. For full technical sheet, please refer to the official data sheet of selected tire brand.