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Komatsu excavator track roller

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Komatsu PC400-3/5/6/lc-7 excavator undercarriage part track roller(bottom roller)

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Komatsu PC400-3/5/6/lc-7 excavator undercarriage part track roller(bottom roller)

  • Model:

    PC400-3/5/6/lc-7
  • 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

PC400-3/5/6/lc-7 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 PC400-3/5/6/lc-7 track roller


Main technical parameter for some Komatsu track rollers

Komatsu PC400-3/5/6/lc-7 excavator track roller repair

models A B C D E F G H K L M N P
PC60-5 158 130 110 140 205 240 150 50 28 27.5 92 45 120
PC100-5 164 135 126 160 240 276 190 50 29 18 102 50 131
PC200-3 185 150 175 226 310 356 244 60 35 17 110 55 145
PC200-5 195 160 175 237 310 356 244 60 35 19 110 55 145
PC300-5 212 176 198 242 320 390 256 75 36 21.5 114 70 150


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 PC400-3/5/6/lc-7 excavator track roller repair

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