опорный каток，Undercarriage Parts Komatsu D20 Track Roller

Product parameters
Name: Undercarriage Parts Komatsu D20 Track Roller
Model Number: D20
Moving Type Crawler Bulldozer
Type Bulldozer undercarriage parts
Process forging /casting
Weight 15kg
Hardness Depth 8-12mm
Material 50mn
Surface Hardness HRC52-58
Warranty 6 months
Minimum Order Quantity 5 Piece/Pieces
FOB Price US $ 1 - 60 / Piece
Port Xiamen port
Supply Ability 100000 Piece/Pieces per Month
Packaging Details L/C,T/T,Western Union,MoneyGram
Payment Terms Standard export fumigated wooden pallet
Delivery Detail Within 30 days after contract established

We are a supplier of undercarriage parts for Excavator and Bulldozer in China, huge selection of Track Rollers (bottom rollers, lower roller) for different sales markets, our main products are bottom roller, Carrier Roller, Sprocket, Idler Assy etc. Welcome to buy high quality Komatsu track roller parts for bulldozer undercarriage.

Track Roller D20 for Bulldozer Undercarriage:
◎ Single and double-edge track roller suits for cater 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.

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