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Komatsu bulldozer track roller

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Komatsu D155 175-30-00480 bulldozer undercarriage part single(double) track roller(bottom roller)

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Komatsu D155 175-30-00480 bulldozer undercarriage part single(double) track roller(bottom roller)

  • Model:

    D155
  • Material:

    50Mn/40MnB
  • Colors:

    Black or yellow
  • Technique:

    Forging & casting
  • Hardness:

    HRC48-54,deepth:4mm-10mm
  • Wattanty time:

    2000 hour (Normal life 4000hours )
  • Finish:

    Smooth
  • Packing:

    Fumigate seaworthy packing
  • Product Details

Komatsu D155 bulldozer single(double) track roller

◎ Single and double-edge track roller suits for excavating machine and special machinery ranging 3 to 50 tons.
◎ Double conical sealing and lifelong lubrication designing enable the track roller to have longer service life and perfect performance in any circumstances.
◎ The shell made by hot forging treatment obtains superior structure of internal materials and fiber
◎ Differential quenching or feed-through quenching heat treatment is effective in crack resistance.


Induction Harden illustration

Komatsu D155 bulldozer bottom roller


Main technical parameter for some Komatsu track rollers

Komatsu D155 bulldozer bottom rollerKomatsu D155 bulldozer lower roller

models A B C D E F G H M K L O I P N
D20(single) 264 194 131 107 136 156 115 82 147 19 11 15.5 45
D20(double) 264 194 131 107 136 156 115 82 147 19 150 11 44 15.5 22
D30(single) 282 240 154 124 170 198 102 194 30 15 16.5 50
D30(double) 282 240 154 124 170 198 102 194 30 185 15 54 16.5 28
D50(single) 375 310 211 174 202 233 152 110 236 30 17 18 80
D50(double) 375 310 211 174 202 233 152 110 236 30 224 17 82 18 46
D60(single) 401 320 240 196 210 240 164 114 258 32 16 20 90
D60(double) 401 320 240 196 210 240 164 114 258 32 234 16 98 20 58
D80(single) 450 380 251 210 222 257 182 136 306 34 16 21 98
D80(double) 450 380 251 210 222 257 182 136 306 34 245 16 106 21 64
D85(single) 450 380 251 210 222 257 182 136 306 34 16 23.5 98
D85(double) 450 380 251 210 222 257 182 136 306 34 245 16 106 23.5 64
D155(single) 501.5 408 292 244 256 300 192 140 322 41 18 26 112
D155(double) 501.5 408 292 244 256 300 192 140 322 41 282 18 116 26 80


the models above are just for reference,we can supply more products as your reuirement,please kindly send us your inquiry or click export5@vmgroup.cn here.


Production Process

Komatsu D155 bulldozer Track roller repair

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