
D60A-7 Bulldozer Track Roller
Roller Type:single flange or double flange
Material:50MN,40MN2
Lead time:30days
Pay term:TT
Moq:50pcs
Product Introduction
Products Description
D60A-7 Bulldozer Track Roller
A bulldozer track roller is a vital component of the construction machinery known as bulldozers. These machines are used for heavy-duty work on construction sites, such as digging and clearing land, moving debris and leveling soil. Bulldozer track rollers are responsible for ensuring that bulldozers move smoothly and efficiently on the ground.
The tracks of a bulldozer are made up of multiple rollers, and the track roller is one of the most important. It is an essential part of the undercarriage that supports the tracks and is responsible for absorbing the shock and weight of the machinery as it moves across different types of terrain. The roller helps distribute the weight of the machine evenly across the ground and ensures that the tracks remain stable.
In order for a bulldozer to work efficiently, the track roller must be kept in good condition. Regular maintenance, such as lubricating and inspecting the rollers, is necessary to ensure that they function correctly and do not wear out too quickly. Proper care of the rollers also helps to prevent damage to other components of the bulldozer, which can be costly to repair.
In conclusion, the bulldozer track roller plays an essential role in the functioning of a bulldozer. Without this component, the machine would not be able to perform its essential tasks efficiently. Proper maintenance of the track roller ensures that the bulldozer can work smoothly and safely, allowing construction work to be completed quickly and effectively.

D60A-7 Bulldozer Track Roller
Bimetal bushing of track rollers is based on steel plate which special alloy is sintered on it. It shows high loading ability and high ability of fatigue resistance.

D60A-7 Bulldozer Track Roller
Each track roller shell is carefully heat treated to ensure long wear life and stress resistance.
Technical requirement
1. Check all parts strictly before assembly and clean them
2. A small amount of oil shall be applied to the mating surface of the shaft sleeve and straight shaft before assembly
3. The floating oil seal ring shall be assembled in pairs, and its sealing surface shall be coated with lubricating oil. The contact surface between O-ring and floating oil seal ring shall not be coated with lubricating grease, and the assembly of floating seal rubber ring shall not be twisted
4. The total assembly force of the floating seal ring shall be 45-50kgf. M, so as to ensure the axial clearance of 0.4-0.9mm after assembly. When turning the wheel body by hand, there is a certain resistance moment, but no jamming
5. After installation, fill in the filtered lubricating oil. The tightening torque of the oil plug is 20 ± 2kgf. M. no leakage is allowed during the inspection
6. The painting color shall comply with jb2299-78
Komatsu part number and Models for bulldozer lower rollers Available:
Partnumber:201-30-44000,Model:D20A-5,6,7/D20P-5,6,7/D20PL-6/D20PLL-6/D20Q-5,6,7/D20S-5,6,7/D21A-5,6,7/D21E-6/D21P-5,6,7/D21P-6A/D21P-6B/D21P-6,7/D21S-5,6/D21S-6A/21S-7
Partnumber:111-30-00274,Model:D30A-15,D30S-15/D31A-15,16,17/D31E-18/D31P-16,17,18,20/D31P-16A,17A,20A/D31PL-16,17,18,20/D31PLL-16,17,18,20/D31Q-16,17,18/D31S-15,6,17,18,20/D37E-1,3,5/D37P-1,2,5
Partnumber: 662823C92,Model: D32E/D32P/D38E/D38P
Partnumber: 621481C94,Model: D39E/D39P
Partnumber:131-30-56100,Model:D40A-1,3/D40F-3/D40P-1,3/D40PL-1,3/D40PLL-1,3/D41A-3/D41A-3A/D41E-3/D41P-3/D41Q-3/D41S-3/D45A-1/D45E-1/D45P-1/D45S-1/D50A-16,17/D50F-16,17/D50P-16,17/D50PL-16,17/D50S-16/D53A-16,17/D53P-16,17/D53S-16,17/D55S-2,3/D57S-1/D57S-1B/D58E-1/D58E-1A/D58E-1B/D58P-A/D58P-1B/ D63E-1/D63E-1A
Partnumber:131-30-56200,Model:D40A-1,3/D40F-3/D40P-1,3/D40PL-1,3/D40PLL-1,3/D41A-3/D41A-3A/D41E-3/D41P-3/D41Q-3/D41S-3/D45A-1/D45E-1/D45P-1/D45S-1/D50A-16,17/D50F-16,17/D50P-16,17/D50PL-16,17/D50S-16/D53A-16,17/D53P-16,17/D53S-16,17/D55S-2,3/D57S-1/D57S-1B/D58E-1/D58E-1A/D58E-1B/D58P-A/D58P-1B/D63E-1/D63E-1A
Partnumber:141-30-00577,Model:D60A-6,7/D60E-7,8/D60F-7,8/D60F-7A/D60F-8A/D60P-7/D60PL-7,8/D60S-7,8/D65A-6,7,8/D65P-7,8/D65S-7/8/D66S-1/D68E-1/D68P-1
Partnumber:141-30-00587,Model:D60A-6,7/D60E-7,8/D60F-7,8/D60F-7A/D60F-8A/D60P-7/D60PL-7,8/D60S-7,8/D65A-6,7,8/D65P-7,8/D65S-7/8/D66S-1/D68E-1/D68P-1
Partnumber:14X-30-14100,Model:D65A-8/D65E-7,8/D65E-12/D65EX-12/D65P-12/D65P-8/D65PX-12/D75S-1/D85ESS-2A
Partnumber:14X-30-14200,Model:D65A-8/D65E-7,8/D65E-12/D65EX-12/D65P-12/D65P-8/D65PX-12/D75S-1/D85ESS-2A
Partnumber: 154-30-00505,Model: D80A-12/D85A-12
Partnumber: 154-30-00405,Model: D80A-12/D85A-12
Partnumber:155-30-00127,Model:D75S-3,5/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/
Partnumber:155-30-00117,Model:D75S-3,5/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/
Partnumber: 175-30-00489,Model: D135A-1/2/D150A-1/D155A-1/2
Partnumber: 175-30-00499,Model: D135A-1/2/D150A-1/D155A-1/2
Partnumber: 17A-30-00070,Model: D155A-3/D155AX-3
Partnumber: 17A-30-00080,Model: D155A-3/D155AX-3
Partnumber: 178-30-16114,Model: D155C-1/D155S-1
Partnumber: 178-30-16124,Model: D155C-1/D155S-1
Partnumber: 17M-30-00220,Model: D275-2
Partnumber: 17M-30-00230,Model: D275-2
Partnumber: 195-30-00410,Model: D355A-1
Partnumber: 195-30-00420,Model: D355A-1
Partnumber: 195-30-00336,Model: D355A-3/5
Partnumber: 195-30-00346,Model: D355A-3/5
Partnumber: 195-30-01051,Model: D375-1/2/3
Partnumber: 195-30-01061,Model: D375-1/2/3
Partnumber: 198-30-00421,Model: D475-1/2
Partnumber: 198-30-00432,Model: D475-1/2
Models of komatsu bulldozer track roller available:
| D120-18 | D125-18 | D135-1 | D135-2 | D150A-1 | D155A-1 |
| D155A-2 | D155A-3 | D155AX-3 | D155AX-5 | D155AX-6 | D155C-1 |
| D155W-1 | D20A-5 | D20A-6 | D20A-7 | D20P-5 | D20P-6 |
| D20P-7 | D20PL-6 | D20PLL-6 | D20Q-5 | D20Q-6 | D20Q-7 |
| D21A-5 | D21A-6 | D21A-7 | D21E-6 | D21P-5 | D21P-6 |
| D21P-6A | D21P-6B | D21P-7 | D21PL-6 | D21Q-6 | D21Q-7 |
| D275A-2 | D275A-5 | D275AX-5 | D30A-15 | D30A-16 | D30A-17 |
| D31E-18 | D31P-16 | D31P-16A | D31P-17 | D31P-17A | D31P-18 |
| D31P-20 | D31P-20A | D31PL-16 | D31PL-17 | D31PL-18 | D31PL-20 |
| D31PLL-16 | D31PLL-17 | D31PLL-18 | D31PLL-20 | D31PX-21 | D31Q-16 |
| D31Q-17 | D31Q-18 | D32E-1 | D32P-1 | D355A-1 | D355A-3 |
| D355A-5 | D355C-3 | D375A-1 | D375A-2 | D375A-3 | D375A-5 |
| D375A-6 | D37E-1 | D37E-2 | D37E-5 | D37EX-21 | D37EX-22 |
| D37P-1 | D37P-2 | D37P-5 | D31PX-21 | D38E-1 | D38P-1 |
| D39E-1 | D39EX-21 | D39P-1 | D39PX-21 | D40A-1 | D40A-3 |
| D40F-3 | D40P-1 | D40P-3 | D40PL-1 | D40PL-3 | D40PLL-1 |
| D40PLL-3 | D41A-3 | D41A-3A | D41E-3 | D41E-6 | D41P-3 |
| D41P-6 | D41Q-3 | D41S-3 | D45A-1 | D45E-1 | D45P-1 |
| D475A-1 | D475A-2 | D50A-16 | D50A-17 | D50F-16 | D50F-17 |
| D50P-16 | D50P-17 | D50PL-16 | D50PL-17 | D51EX-22 | D51PX-22 |
| D53A-16 | D53A-17 | D53P-16 | D53P-17 | D58E-1 | D58E-1A |
| D58E-1B | D58P-1 | D58P-1B | D60A-3 | D60A-6 | D60A-7 |
| D60A-8 | D60E-7 | D60E-8 | D60F-7 | D60F-7A | D60F-8 |
| D60F-8A | D60P-3 | D60P-6 | D60P-7 | D60P-8 | D6OPL-7 |
| D6OPL-8 | D61EX-12 | D61EX-15 | D61PX-12 | D61PX-15 | D63E-1 |
| D63E-1A | D65A-6 | D65A-7 | D65A-8 | D65E-12 | D65E-7 |
| D65E-8 | D65EX-12 | D65EX-15 | D65EX-17 | D65P-12 | D65P-7 |
| D65P-8 | D65PX-12 | D65PX-15 | D65WX-15 | D68E-1 | D68P-1 |
| D75A-1 | D80A-12 | D80A-18 | D80E-18 | D80F-18 | D80P-18 |
| D83E-1 | D85A-12 | D85A-18 | D85A-21 | D85A-21B | D85E-18 |
| D85E-21 | D85EX-15 | D85P-18 | D85P-21 | D85PX-15 |
Products parameters
| Track roller body type | Material | Welding type | Sprocket type | Loading container |
| Single flange | 50MN | Friction welding | Segment group | 20 feet container |
| Double flange | 40MN2 | Normal welding | Full rim | 40 feet container |
Product Picture


Our factory

Heattreatment

Welding

Assembly

Warehouse
Our Services
1. Our engineers in this field are more than 20 years. So they can feedback very soon.
2. Sale and service team. You can contact with our team via phone, on line chatting tool and email. Our team will reply to you any time.
3. We have forging and casting,so we can offer customers very competitive prices.
4. Strong part number database. If you can provide the right model and part number, we can supply the right product.
5. Strict and complete company rules. We will try our best to meet customer's delivery time. Before delivery, we must verify the part number or pictures of products one by one, to make sure that customers can receive high-quality and right-quantity goods.
6. Good management system. No matter how big or small order, as long as customers place the order, we will provide exporting services free of charge.
7. Good service attitude. As long as customers' requirements are reasonable, we will eneavour to make them satisfied.
FAQ
Q: What Is MOQ For The Order?
A: Generally speaking, the MOQ is a full container load of 20 feet container. Under this condition, the single cost can be lowered. if customers ask for less full container load. It is also acceptable.
Q: Are You A Manufacturer Or A Trader?
A: We are a manufacturer. We do forging and casting by ourselves. And our factory is located in Quanzhou city, Fujina, China.
Q: How About The Payment Terms?
A: TT 30 percent deposit,and TT 70percent balance after seeing the scan copy of bill of lading or LC at sight.
Q: How About The Delivery Time?
A: 3-7 days for stock goods,30-45 days for customized product.
Q: How Do You Offer Guarantee?
A: If parts are broken due to manufacturing problem, we will deduct the value for next order amount or offer you brand new one to replce.
Q: Could You Make Customer Logo?
A: Yes,we can make customer logos if it reachec the moq for customer logo order.
Q: Could We Be Your Exclusive Dealer?
A: Yes,our policy is that we will not let our customer to compete at the same place.
Q: How Could You Know If Our Parts Are Fitted To Machines?
A: Please offer us the detailed machine models or mounting sizes.
Q: If We Don't Have Drawings, Could We Develop A New Item?
A: Yes, you can offer us the main dimension. Then we can compare with our ready products and make a drawing for your checking.
Q: How Can You Control Your Quality?
A: When material come inside our factory, we need to analyze the material. And when front idlers and sprocket rims material are casted. We need to analyze the composition to see if the material is qualified or not. When track rollers, carrier rollers and front idlers are being assembled, we need to oil leakage testing. After several parts are heat treated, we need to check the hardness before all are done.And our inspectors will check the sizes at ramdom when parts are being machined or assembled. All of these can guarantee the parts with correct sizes and good quality.
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