D85A-21 BULLDOZER CARRIER ROLLER

D85A-21 BULLDOZER CARRIER ROLLER

Production Introduction:

The carrier roller also called top roller and upper roller is to hold the track upward, so that the track has a certain degree of tension.

Company Information

We are professional manufacturer of undercarriage parts and other related parts of crawler tracked machinery. Our products include excavator lower roller, carrier roller, sprocket rim, front idler, track link etc..they are applicable for world famous brands and Chinese domestic brands like komatsu, hitachi, kobelco, kato, mitusbishi, Kubota, yanmar,Hyundai, doosan,Volvo, case, jcb, sany, xugong, liugong,zoomlion sunward etc..

technical requirement of D85A-21 BULLDOZER CARRIER ROLLER

1. All parts shall be thoroughly cleaned before assembly.

2. Before assembly, apply a small amount of butter to various rubber rings.

3. Apply a small amount of oil on the contact surface of floating seal ring.

4. After assembly, the wheel shall be able to rotate by hand, with an axial displacement of 0.3-0.85.

5. The total pressure after assembly is about 45-50kg.

6. Add gear oil sae80w-90. Lubricate about 200ml.

7. Before oil filling, use 0.4MPa air pressure for sealing

There shall be no air leakage in sealing test.

8. Bolt tightening torque: 44.1-58.8n. M.

9. Tightening torque of oil plug: 127.6-166.7n. M.

 D85A-21 BULLDOZER CARRIER ROLLER

Applicable To Models:

D75S-3,D75S-5,D80A-18,D80E-18,D80F-18,D80P-18,D83E-1,D83P-1,D85A-18,D85A-21,D85E-18,D85E-21,D85P-18,D85P-21,D95S-1,D95S-2 ETC..

FAQ

1. How To Ensure The Goods Is Available For My Machine?
We have the service information system which can check the machine parts information precisely. If you can't ensure the model or you need customized goods, you can measure the parameter and then we will find that.
2. How Do You Guarantee Your Good's Quality?
First, we have severe quality-control system and ISO certification. Second, we will sign up the parts warranty policy with you. And last, you can visit our factory or ask some quality-test organization to check that.
3. Are You A Manufacture Or Trading Company?
We are specialized in Undercarriage Parts since 2007. We have our own factory which manufacture goods in good quality and competitive price.

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