xthra tyres
RADIAL OTR TIRE 40.00R57 ** XRB 2 E4 TL
XRB 2 is a 4th generation E4 radial OTR tire pattern developed by XTHRA for application in dumpers and similar equipment.

Application :
Rigid dumpers and similar equipment running at open-pit mining sites.

Characteristics :
Specifically designed to fit 29.00/6.0 rims on older versions of 220 tonne dumpers;
Cut and wear resistance through an opened pattern for optimized heat dissipation;
Centered opened bracket blocks for perfect conformation over irregular roads;
Reinforced shoulders for improved stability and load distribution.

Size Class
| PR
Pattern Load
Index
Speed
Index
TRA
Code
TT
| TL
TD
[mm]
TKPH
[C | S | H]
TMPH
[C | S | H]
40.00R57 ** XRB 2 250 B E4 TL 100 830 | 940 | 1,100 569 | 644 | 754
Size Class
| PR
Pattern Load
Index
Speed
Index
40.00R57 ** XRB 2 250 B

TRA
Code
TT
| TL
TD
[mm]
E4 TL 100

TKPH
[C | S | H]
TMPH
[C | S | H]
830 | 940 | 1,100 569 | 644 | 754

Std.Rim
[in]
OD
[mm | in]
SW
[mm | in]
Net Weight
[kg | lb]
CBM
[pc]
Qty. /Cntr40'
[pc]
29.00/6.0 3,560 | 140 1,130 | 44 4,000 | 8,818 14.3 5
Std.Rim
[in]
OD
[mm | in]
SW
[mm | in]
29.00/6.0 3,560 | 140 1,130 | 44

Net Weight
[kg | lb]
CBM
[pc]
Qty. /Cntr40'
[pc]
4,000 | 8,818 14.3 5

Speed
[km/h]
Speed
[mi/h]
Max.Load
[kg]
Max.Load
[lb]
Pressure
[kpa]
Pressure
[psi]
Pressure
[bar]
15 9 64,200 141,537 832 121 8.3
20 12 63,600 140,214 818 119 8.2
25 16 63,000 138,891 803 116 8.0
30 19 62,400 137,568 788 114 7.9
35 22 61,800 136,246 774 112 7.7
40 25 61,200 134,923 759 110 7.6
45 28 60,600 133,600 745 108 7.4
50 31 60,000 132,277 730 106 7.3
Speed
[km/h]
Max.Load
[kg]
Pressure
[kpa]
Pressure
[psi]
15 64,200 832 121
20 63,600 818 119
25 63,000 803 116
30 62,400 788 114
35 61,800 774 112
40 61,200 759 110
45 60,600 745 108
50 60,000 730 106

Speed
[mi/h]
Max.Load
[lb]
Pressure
[kpa]
Pressure
[psi]
9 141,537 832 121
12 140,214 818 119
16 138,891 803 116
19 137,568 788 114
22 136,246 774 112
25 134,923 759 110
28 133,600 745 108
31 132,277 730 106

*Specs may change without notice.

OTR tires are an important part on any company's operational budget.
A clear and well defined maintenance program is essential for obtaining the best tire performance.

Herein we make some important reminders concerning tire maintenance:

Inflation Pressure:

  • Under inflation generates heat, leading to early tire failure through tread pattern separation; cable and cord fatigue accelerates leading to internal liner and external sidewall ruptures. Treadwear becomes uneven causing cracks and consequently, infiltration. Rim displacement is also another consequence developing to air leaks on tubeless tires;
  • Over inflation increases mid-pattern ground contact causing uneven pattern wearing process; it reduces tyre capacity to absorb irregular road and impacts against physical obstacles ending to a much exposed pattern center subjected to cuts and sudden rupture. Bead suffers excess pressure increasing localized targetted forces against traction, with a potential risk for permanent damage and burts;

Overload Consequences:

  • Overloading will considerably shorten tire life through heat generation, abnormal tire deflection and cord tension, excessive bead movement; all leading to cracks and ruptures caused by dangerous carcass stress;

Road Maintenance:

  • Road surface is one of the most important factors determining a tire performance. Bumping spots, holes, rocks, debris and all physical obstacles cut, excessively wear and even burst tires. Important attention shall also be paid to cleaning loading and dumping areas, reflecting directly on performance and productivity.

For further information or enquiries, contact us :

Commercial Offices:
529 Chevallum Rd.
QLD 4555, Chevallum, Australia
E-mail. au@xthra.com

202 Urb. Los Incas
Santiago de Surco, Lima, Peru
E-mail. pe@xthra.com

Tenders & Global After-Sales:
Av. Arthur GuimarĂ£es, 260 - Santa Cruz
31150-690 Belo Horizonte, MG, Brazil
E-mail. br@xthra.com

Administration & HR:
3905 Two Exchange Square, Central
Hong Kong
E-mail. hk@xthra.com

Finance:
71 - 75 Shelton Street, Covent Garden
London, United Kingdom
E-mail. uk@xthra.com

For further information or enquiries, contact us :

Commercial Offices:
529 Chevallum Rd.
QLD 4555, Chevallum, Australia
E-mail. au@xthra.com

202 Urb. Los Incas
Santiago de Surco, Lima, Peru
E-mail. pe@xthra.com

Tenders & Global After-Sales:
Av. Arthur GuimarĂ£es, 260 - Santa Cruz
31150-690 Belo Horizonte, MG, Brazil
E-mail. br@xthra.com

Administration & HR:
3905 Two Exchange Square, Central
Hong Kong
E-mail. hk@xthra.com

Finance:
71 - 75 Shelton Street, Covent Garden
London, United Kingdom
E-mail. uk@xthra.com


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