Information

IF (angl. increased flexion) ir VF (angl. very high flexion) padangų skirtumai

ES padangų etiketės paaiškinimas

International TRA codes

International TRA codes

Internationally standardised TRA codes can be used to select suitable tyres for specific earth moving machines

The TRA code was issued by international tyre organizations such as the ETRTO (European Tyre and Rim Organisation), the ISO (International Standard Organization), the TRA (Tyre and Rim Association) and the JATMA (Japan Automobile Tyre Manufacturers Association). It is recognized as an international code.

There are 4 types of earth-moving tyres based on their purpose. The designated category can be found on the sidewall of the tyre. A distinction is written in letters and can be identified, as follows:

Symbol/Use

C = Compactor (road-building machines and rollers)

L = Loader & Dozer

G = Grader (scrapers)

E = Earthmover (tippers and dump trucks)

Tyre treads profiles

1 = Ribbed

2 = Traction

3 = Rock

4 = Rock (deep tread)

5 = Rock (very deep tread)

5S = Smooth (very deep tread)

There are various tyre pattern profiles determined by the purpose of tyre and profile depth. The profiles are identified using a number in combination with the category letter on the sidewall of the tyre.

TRA Code (EM)

Code

C1

E1

E2

E3

E4

E7

G1

G2

G3

G4

G5

L2

L3

L4

L5

L3S

L4S

L5S

Profile

Smooth

Ribbed

Traction

Rock

Rock (deep tread)

Flotation

Ribbed

Traction

Rock

Rock (deep tread)

Rock (very deep tread)

Traction

Rock

Rock (deep tread)

Rock (very deep tread)

Smooth

Smooth (deep tread)

Smooth (very deep tread)

Use

Compactor

Earthmover, transport

Earthmover, transport

Earthmover, transport

Earthmover, transport

Earthmover, transport

Grader

Grader

Grader

Grader

Grader

Loader, dozer

Loader, dozer

Loader, dozer

Loader, dozer

Loader, dozer

Loader, dozer

Loader, dozer

How to read TRA codes?

For instance: tyres suitable for road-building machines (compactors) are often marked in ‘C1’; which has a smoother profile. Heavy duty tyre with very deep tread are marked with “L5”.Tyres for shovels are marked with‘L3’.

It is always advisable to reach professionals for a consultation. Each tyre has its own specifications. Neglectfully selected tyre can cost money and time lost when work need mostly to be done.

Sunkvežimių MAN, ZIL, GAZ, KAMAZ, MAZ padangos

Load and speed index table

Load index

Load, kg

Load index

Load, kg

Load index

Load, kg

Load index

Load, kg

Speed index

Speed, km/h

51 195 88 560 125 1650 162 4750 A2 10
52 200 89 580 126 1700 163 4875 A3 15
53 206 90 600 127 1750 164 5000 A4 20
54 212 91 615 128 1800 165 5150 A5 25
55 218 92 630 129 1850 166 5300 A6 30
56 224 93 650 130 1900 167 5450 A7 35
57 230 94 670 131 1950 168 5600 A8 40
58 236 95 690 132 2000 169 5800 B 50
59 243 96 710 133 2060 170 6000 C 60
60 250 97 730 134 2120 171 6150 D 65
61 257 98 750 135 2180 172 6300 E 70
62 265 99 775 136 2240 173 6500 F 80
63 272 100 800 137 2300 174 6700 G 90
64 280 101 825 138 2360 175 6900 J 100
65 290 102 850 139 2430 176 7100 K 110
66 300 103 875 140 2500 177 7300 L 120
67 307 104 900 141 2575 178 7500 M 130
68 315 105 925 142 2650 179 7750 N 140
69 325 106 950 143 2725 180 8000 P 150
70 335 107 975 144 2800 181 8250 Q 160
71 345 108 1000 145 2900 182 8500 R 170
72 355 109 1030 146 3000 183 8750 S 180
73 365 110 1060 147 3075 184 9000 T 190
74 375 111 1090 148 3150 185 9250 U 200
75 387 112 1120 149 3250 186 9500 H 210
76 400 113 1150 150 3350 187 9750 V 240
77 412 114 1180 151 3450 188 10000 W 270
78 425 115 1215 152 3550 189 10300 Y 300
79 437 116 1250 153 3650
80 450 117 1285 154 3750
81 462 118 1320 155 3875
82 475 119 1360 156 4000
83 487 120 1400 157 4125
84 500 121 1450 158 4250
85 515 122 1500 159 4375
86 530 123 1550 160 4500

Tire conversion table

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