CAT 793 - 4690R57 VREV

OFF-THE-ROAD TIRES

VREV V-steel Rock Extra V-operation

Revolutionary evolution of heavy-duty mining performance MAIN FEATURES • Innovative new pattern technology with superior performance capabilities • Dramatically improved wear performance • Extremely low heat generation • Superb casing durability

VREV

OFF-THE-ROAD TIRES

Tire size

Star rating

TRA code

46/90R57

*2

E4

BRIDGESTONE OFF-THE-ROAD TIRES

VREV

V-steel Rock Extra V-operation

SUPERIOR WEAR RESISTANCE AND HEAT CAPABILITY

Buttress fins

With our new VREV tires, Bridgestone has created a Rolling dire cti on

totally new pattern design to achieve higher wear resistance and superior heat reduction at the

The unique buttress fins utilize the flow of air from a rolling tire to force cooling air into the shoulder grooves and across the base of the tire voids to draw heat away and achieve a higher TKPH.

same time. Compared with

Flow of cool air into the shoulder grooves reduces heat.

the VRPS, overall performance has been dramatically improved.

Additional grooves Tire TKPH comparison

Additional grooves at optimum depth minimize heat generation to achieve a higher TKPH rating.

INDEX 110 100

Conventional Radial

Narrower shoulder grooves

VREV

Narrower shoulder grooves enhance wear resistance.

When operating TKPH is at standard VRPS levels Wear life

Parallelogram blocks

Traction

The newly designed parallelogram tread blocks on our VREV tires change shape efficiently as the tire moves so that the amount of sliding is minimized, thus contributing to improved resistance to wear and tear.

Operating TKPH

Casing durability

Tread cut life

When operating TKPH is at higher-than-standard VRPS levels Rolling direction

Wear life

Traction

Operating TKPH

Once the edge of the parallelogram block touches the ground, the whole block changes shape. The amount of sliding is minimized.

VREV VRPS Casing durability

Tire Size

46/90R57

Tread cut life

Type

T/L

Star Rating *2

Approximate Inflated Dimensions

Rec Rim/ FL Height

OD

OW

inch

mm

inch

mm

inch

mm

inch

SLW mm inch

29.00/6.0 (32.00/6.0)

3572

140.6

1145

45.1

1586

62.4

1229

T/L: Tubeless type

http://www.bridgestone.com/products/speciality_tires/off_the_road/index.html

SLR

51.1

OTD

Minimum Dual Spacing

mm

mm

inch

97

1412

55.6

Specifications are subject to change without notice.

Printed in Japan 15ORA02E