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BKT
BKT50/65 R 51
EARTHMAX SR 53
OTRRadial
EARTHMAX SR 53 is an All Steel radial tyre specially designed for loaders, dozers and low profile dump trucks (LPDT) operating in severe rocky conditions, including underground operations and scrap yards. The deep L-5 tread and the cut-resistant compound provide an extended wear life in addition to excellent traction and stability. In case of underground mine application, consult your servicing dealer or BKT representative.
Key Features
Hard Rocky SurfaceTractionStabilityCut ResistanceDurability
Available Sizes (13)
50/65 R 5145/65 R 3923.5 R 2545/65 R 4517.5 R 2520.5 R 2526.5 R 2529.5 R 2935/65 R 3355/80 R 5729.5 R 2535/65 R 33 (LPDT)60/80 R 57
BrandBKT
Tyre Size50/65 R 51
PatternEARTHMAX SR 53
ConstructionRadial
Tyre TypeOTR
CategoryLoader
ApplicationsLoading, Dozing, Scraping, Underground Mining
EquipmentLoader, Dozer, Low Profile Dump Truck (LPDT)
Specifications confirmed on enquiry. Datasheets available on request.
Technical Data
Metric Specifications
| Size | Version | TRA Code | Star Rating | LI/SS | Rim (Rec) | Rim (Alt) | OW | OD | SLR | RC | Tyre Type | Tread Depth |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 17.5 R 25 | CUT RESISTANT COMPOUND | L5 | ** | 182 A2 | 14.00/1.5 | — | 435 | 1400 | 637 | 4214 | TL | 65,5 |
| 17.5 R 25 | CUT RESISTANT COMPOUND (UMS) | L5 | ** | — | 14.00/1.5 | — | 435 | 1400 | 637 | 4214 | TL | 65,5 |
| 17.5 R 25 | CUT RESISTANT COMPOUND | L5 | *** | 188 A2 | 14.00/1.5 | — | 435 | 1400 | 637 | 4214 | TL | 65,5 |
| 17.5 R 25 | CUT RESISTANT COMPOUND | L5 | * | 176 A2 | 14.00/1.5 | — | 435 | 1400 | 637 | 4214 | TL | 65,5 |
| 20.5 R 25 | CUT RESISTANT COMPOUND | L5 | * | 186 A2 | 17.00/2.0 | — | 535 | 1550 | 705 | 4666 | TL | 78 |
| 20.5 R 25 | CUT RESISTANT COMPOUND | L5 | ** | 193 A2 | 17.00/2.0 | — | 535 | 1550 | 705 | 4666 | TL | 78 |
| 23.5 R 25 | CUT RESISTANT COMPOUND | L5 | * | 195 A2 | 19.50/2.5 | — | 604 | 1666 | 758 | 5015 | TL | 83,5 |
| 23.5 R 25 | CUT RESISTANT COMPOUND (UMS) | L5 | ** | — | 19.50/2.5 | — | 604 | 1666 | 758 | 5015 | TL | 83,5 |
| 23.5 R 25 | CUT RESISTANT COMPOUND | L5 | ** | 201 A2 | 19.50/2.5 | — | 604 | 1666 | 758 | 5015 | TL | 83,5 |
| 26.5 R 25 | CUT RESISTANT COMPOUND | L5 | * | 202 A2 | 22.00/3.0 | — | 680 | 1788 | 800 | 5376 | TL | 95 |
| 26.5 R 25 | CUT RESISTANT COMPOUND (UMS) | L5 | ** | — | 22.00/3.0 | — | 680 | 1788 | 800 | 5376 | TL | 95 |
| 26.5 R 25 | CUT RESISTANT COMPOUND | L5 | ** | 209 A2 | 22.00/3.0 | — | 680 | 1788 | 800 | 5376 | TL | 95 |
| 29.5 R 25 | CUT RESISTANT COMPOUND | L5 | * | 208 A2 | 25.00/3.5 | — | 770 | 1912 | 859 | 5755 | TL | 103 |
| 29.5 R 25 | CUT RESISTANT COMPOUND | L5 | ** | 216 A2 | 25.00/3.5 | — | 770 | 1912 | 859 | 5755 | TL | 103 |
| 29.5 R 25 | CUT RESISTANT COMPOUND (UMS) | L5 | ** | — | 25.00/3.5 | — | 770 | 1912 | 859 | 5755 | TL | 103 |
| 29.5 R 29 | CUT RESISTANT COMPOUND | L5 | *** | 223 A2 | 25.00/3.5 | 24.00/3.5 | 755 | 2015 | 905 | 6059 | TL | 102 |
| 29.5 R 29 | CUT RESISTANT COMPOUND | L5 | ** | 218 A2 | 25.00/3.5 | 24.00/3.5 | 755 | 2015 | 905 | 6059 | TL | 102 |
| 29.5 R 29 | CUT RESISTANT COMPOUND (UMS) | L5 | ** | — | 25.00/3.5 | 24.00/3.5 | 755 | 2015 | 905 | 6059 | TL | 102 |
| 35/65 R 33 | CUT RESISTANT COMPOUND | L5 | *** | 229 A2 | 28.00/3.5 | — | 910 | 2063 | 915 | 6215 | TL | 92 |
| 35/65 R 33 | CUT RESISTANT COMPOUND | L5 | ** | 224 A2 | 28.00/3.5 | - | 910 | 2063 | 915 | 6215 | TL | 92 |
| 35/65 R 33 (LPDT) | CUT RESISTANT COMPOUND (UMS) | L5 | ** | — | 28.00/3.5 | — | 910 | 2063 | 915 | 6215 | TL | 92 |
| 35/65 R 33 | CUT RESISTANT COMPOUND (UMS) | L5 | ** | — | 28.00/3.5 | — | 910 | 2063 | 915 | 6215 | TL | 92 |
| 45/65 R 39 | CUT RESISTANT COMPOUND | L5 | ** | 242 A2 | 36.00/4.5 | 32.00/4.5 | 1100 | 2577 | 1118 | 7747 | TL | 110 |
| 45/65 R 45 | CUT RESISTANT COMPOUND | L5 | *** | 250 A2 | 36.00/4.5 | — | 1125 | 2730 | 1211 | 8224 | TL | 112 |
| 45/65 R 45 | CUT RESISTANT COMPOUND | L5 | ** | 245 A2 | 36.00/4.5 | — | 1125 | 2730 | 1211 | 8224 | TL | 112 |
| 50/65 R 51 | CUT RESISTANT COMPOUND | L5 | ** | 253 A2 | 40.00/4.5 | — | 1240 | 3090 | 1371 | 9309 | TL | 128 |
| 55/80 R 57 | CUT RESISTANT COMPOUND | L5 | ** | 268 A2 | 44.00/5.0 | — | 1400 | 3740 | 1642 | 11185 | TL | 120 |
| 60/80 R 57 | CUT RESISTANT COMPOUND | L5 | ** | 274 A2 | 47.00/5.0 | 47.00/6.0 | 1515 | 3930 | 1743 | 11840 | TL | 118 |


