Package Include:
1x Bottom Roller

Fitment Guide:
Fits For Komatsu D20 D21 D20A D21A D21P D20P
Roller Specifications：
Bottom Roller Weight：35.27 pounds
Package Dimensions：6.69"X6.69"X10.6"
Color:Yellow
Material: 50 MnB Steel
Surface Hardness: HRC52-58, Deepth:5mm-8mm
Locking pin, 65Mn or 45 carbon steel, hardened HRC25-28.
Bolt, grade 12.9, HRC45-52. 6.
Seal: Nitrile rubber. Operating temperature range -20℃ to 110℃.
Finish:Smooth
Technique: Forging and Casting
Note:Please confirm the item if it matches your need before you purchase.
Excellent wear resistance of wheel rim:The rims of the supporting wheels are made of advanced wear-resistant materials and are precision-machined to ensure that they maintain good wear resistance under long-term, high-load operation. This not only prolongs the service life of the wheel, but also reduces downtime due to wear and tear and improves overall work efficiency.
Excellent high temperature resistance:The supporting wheel is made of special high temperature resistant material, which can maintain stable performance under high temperature environment. This excellent high-temperature resistance enables the supporting wheel to operate normally under extreme working conditions without being affected by temperature, thus ensuring the continuous and efficient operation of the equipment.
Wooden box independent high-end packaging, highlighting the noble quality:Each supporting wheel is packed in an independent wooden case with a high-end and elegant design, which not only protects the product from damage during transportation, but also highlights the noble quality of the product. This meticulous packaging not only reflects our treasure and respect for the products, but also provides customers with a more convenient and safer transportation and storage experience.