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2022 Good Quality Carrier Roller Caterpillar Bulldozer - Carrier roller apply to Caterpillar E120B CAT312 – Junhua
Product Description Carrier Roller also called top roller or upper roller which is an important undercarriage part for crawler excavator or bulldozer. They are in a close contact with the ground walking undercarriage, therefore the quality of carrier roller has great influence on the performance of the excavator and bulldozer. The carrier roller of the excavator is used to hold the track to prevent the track from sagging too much, so as to reduce the vibration of the track in motion and preve... -
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Good quality Drive Sprocket Jcb Compact Track Loader - Mini Excavator Sprocket Apply to BOBCAT X331 6539097 – Junhua
Product Description This sprocket rim apply to BOBCAT MINI EXCAVATOR X231, X325, X328, X331, X331E, X331G, X334. The gear tooth working surface of sprocket rim should not only bear the bending compressive stress under the reaction of the track pin sleeve, but also bear the abrasive and wear existing before the gear tooth and the track pin sleeve. After the pitch circle of the tooth surface is worn, if the machine continues to walk, there will be tooth skipping and impact wear. Therefore, the ... -
Factory Cheap Hot Top Roller Jcb Compact Track Loader - Mini Excavator Top Roller JCB805 234/14900 332/U1415 JCB – Junhua
Product Description How to reduce the wear of top roller? 1. Avoid walking on the inclined ground repeatedly for a long time and suddenly turn. If the mini excavator walk repeatedly on the inclined ground for a long time and turn suddenly, the side of the rail link will contact the side of the top roller and the guide wheel, thereby increasing the degree of wear. Therefore, walking and sudden turning in inclined areas should be avoided as far as possible. Straight line travel and large turns ... -
Good Quality Track Roller - Mini Excavator Lower Roller Apply to R55 81M7-55000 HYUNDAI – Junhua
Product Description This Bottom roller (track roller) apply to HYUNDAI MINI EXCAVATOR R55-3 R55M R55MVP R500, R550-3 R555M, R555MVP. The lower roller is used to support the weight of the tractor and roll on the track guide rail (track link) or track board. It is also used to limit the track and prevent lateral slippage. When the tractor turns, the roller forces the track to slide on the ground. It often works in muddy water and ash sand, and bears strong impact. The working conditions are ext... -
High definition Link Track Caterpillar Bulldozer - Excavator Track Chain Apply to KOMATSU PC300-6 207-32-00141 – Junhua
Product Description Why the chain derails from excavator? 1. If the chain falls due to external reasons, the crawler of the excavator enters impurities such as soil or stones, and passes through the rugged road surface, the force on the crawler shoe will be seriously unbalanced, which is easy to fail. 2. The operator’s operation skills are not qualified, and improper operation when driving the excavator to turn or walk will also cause deviant faults. 3. The four wheels are not in the sa... -
Top Suppliers Chain Idler Jcb Compact Track Loader - Excavator Idler Apply to JCB JS200 JRA0214 – Junhua
Product Description The idler (guide wheel) is used to guide the track to rotate correctly to prevent deviation and derailment. The idler of some hydraulic excavators also acts as a roller, which can increase the contact area between the track and the ground and reduce the specific ground pressure. Most of the wheel surfaces of the guide wheel are smooth, with a shoulder ring in the middle as the guide, and the ring surfaces on both sides can support the chain and support the roller. The shou... -
China wholesale Upper Roller - Mini Excavator Top Roller JCB805 234/14900 332/U1415 JCB – Junhua
Product Description How to reduce the wear of top roller? 1. Avoid walking on the inclined ground repeatedly for a long time and suddenly turn. If the mini excavator walk repeatedly on the inclined ground for a long time and turn suddenly, the side of the rail link will contact the side of the top roller and the guide wheel, thereby increasing the degree of wear. Therefore, walking and sudden turning in inclined areas should be avoided as far as possible. Straight line travel and large turns ... -
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Cheapest Price Track Idler Kubota Mini Excavator - Excavator Idler Apply to JCB JS200 JRA0214 – Junhua
Product Description The idler (guide wheel) is used to guide the track to rotate correctly to prevent deviation and derailment. The idler of some hydraulic excavators also acts as a roller, which can increase the contact area between the track and the ground and reduce the specific ground pressure. Most of the wheel surfaces of the guide wheel are smooth, with a shoulder ring in the middle as the guide, and the ring surfaces on both sides can support the chain and support the roller. The shou... -
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