
D65E-8 Bulldozer Track Roller
We supply bulldozer parts mainy for komatsu bulldozer and caterpillar bulldozer.
We devoted ourselves to bulldozer parts many years,covering most of the models.
we are expecting to be your long term partner in China.
Product Introduction
Products Description
D65E-8 Bulldozer Track Roller
Bulldozer track rollers are an essential component in the construction of heavy machinery such as bulldozers. This critical part is responsible for supporting the entire weight of the machine and maintaining its balance as it moves along rough terrain.
The track rollers are made of high-quality steel and designed to withstand massive loads, making them incredibly durable and long-lasting. The sturdy construction of these rollers allows the bulldozer to move even on the toughest terrain without sustaining damage.
Regular maintenance is crucial in ensuring the smooth operation of track rollers. With proper maintenance, bulldozer track rollers can have a service life of several years, allowing construction sites to operate without any significant downtime.
Using bulldozer track rollers in construction helps to improve project efficiency, increase productivity, and reduce operational costs. With their robust design and reliability, they can efficiently operate in harsh operating conditions with minimal maintenance requirements.

D65E-8 Bulldozer Track Roller
Warm forging treated track roller shell gains distinguishing inner material fiber flow distribution architecture.

D65E-8 Bulldozer Track Roller
Differential type of quenching or through type of quenching heattreatment can ensure certain heat treatment hardness depth and so give good anti-cracking effects.
technical requirement
1. All parts shall be cleaned before assembly without any sundries;
2. Apply a small amount of clean engine oil to the grinding surface of the floating seal ring;
3. Carry out the pressure test before oil injection, and there is no air leakage under the pressure of 0.5-0.6mpa;
4. After installation, inject clean sae80w-90 gear oil (the oil volume accounts for about the cavity
90% ~ 95% of the volume;
5. After the surface is clean, apply two coats of gray antirust paint.
Komatsu part number and Models for bulldozer lower rollers Available:
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
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
About Us:Sanqi Machinery
Quanzhou Sanqi Engineering Machinery Co.ltd. Located in Quanzhou City which is the cultural captital of east asia,the starting point of the silk road at sea.We are a production-oriented enterprise which is engaged in casing,forging,machining,heattreamnt and assembly and commited to developing and manufacturing the udnercarriage parts of current world famaous brands.
we are equipped with machines,for example,table drill,radia drill,normal lathe,vertical lath,cnc lathe,milling machine,griding machine,sawing machine,sprocket heattreatment machine,idler heattreatment machine,track roller and carrier roller heattreatment,track link heattreatment machine,roller assembling line,casing lines and forging lines etc..
We are professional manufacturer of undercarriage parts and other related parts of crawler tracked machinery. Our products include track roller, carrier roller group, sprocket rim, front idler, track link ,track guard, track adjuster, boom cylinder assy, arm cylinder assy, bucket cylinder assy, bucket bushing, bucket pin, track bolt nuts, forging bucket teeth, bucket link, bucket side link, cutting edge and side cutters 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..
Our Advantages
1. Own big and clean workshop, our products are identified from the standard items on the market.
2. The system of warehouse realized the standard and intelligent management, raised the work efficiency of the enterprise.
3. The quality control is always the object of pursuit by enterprises, and the control to the process quality of workshop-oriented products is the key of quality control for enterprises.
4. One shot harden, professional staffs and advanced technology and equipment prove the technological head start of our company enterprises.We take pride in the quality of our products cause of the excellence of its heat treatmentprocesses and our experimental basis of mining, adding the high quality floating seals and bearings, which lead our company to produce heavy duty type and much more durable products.
5. During these year , we cooperate and establish long-term business relationship with customers from Europe, USA/Canada, South America, South Africa, Middle East. on a daily basis and even enjoy seeing our product shipped to far corners of the world.
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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