D65EX-12 Bulldozer Lower 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
D65EX-12 Bulldozer Lower Roller
A lower roller is an essential component of crawler-tracked machines such as excavators, tractors, and bulldozers. It is mounted on the underside of the machine's frame and helps carry the weight of the machine as it moves across rough terrain.
The lower roller is responsible for providing support and stability to the crawler tracks. It ensures smooth and efficient movement of the machine by minimizing friction and wear on the tracks. The roller is usually made of high-grade steel or another durable material that can withstand the harsh conditions of construction sites.
D65EX-12 Bulldozer Lower Roller
Each roller shaft is machined by the utilization of the most modern technological advances known to the industry, Grinding and finishing methods ensure mirror like finish and tempering with medium to low frequency heat treating equipment guarantees maximum strength.
D65EX-12 Bulldozer Lower Roller
Carry out the pressure test before oil injection, and there is no air leakage under the pressure of 0.5-0.6mpa;
technical requirement OF D65EX-12 Bulldozer Lower Roller
1. Before assembly, all parts shall be thoroughly deburred and cleaned;
2. The floating seal ring and the floating seal rubber ring shall be degreased and dried;
3. During assembly, a small amount of lubricating oil shall be applied to the working faces of the two floating seal rings;
4. The assembly shall rotate flexibly without jamming;
5. Pressure test for 1 minute, pressure 0.8MPa, no air leakage is allowed;
6. Inject 110 ml of 22 hyperbolic gear oil after pressure test;
7. The hardness HRC52-58
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
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
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
Are there any effects of not replacing the broken track roller in time:
The track roller is an essential component of any excavator. It plays a critical role in ensuring the smooth operation of the machine. However, if the track roller is damaged or worn out, it can have a significant impact on the excavator's performance. In this article, we will discuss the effects of not replacing a damaged track roller on an excavator.
Firstly, a damaged track roller can lead to increased wear and tear on the excavator's undercarriage. The undercarriage is a crucial part of the machine that supports its weight and helps distribute the load. When the track roller is damaged, it puts additional pressure on other components of the undercarriage, leading to accelerated wear and tear. This, in turn, can result in costly repairs and reduced machine performance.
Secondly, a damaged track roller can affect the excavator's stability and overall performance. The track roller helps keep the machine stable when operating on uneven terrain. If the track roller is damaged, it can cause the excavator to tip over, particularly when lifting heavy loads. Additionally, a damaged track roller can cause vibration and shaking, making it more difficult to control the excavator.
Thirdly, a damaged track roller can have safety implications for the operator. Operating an excavator with a damaged track roller poses a risk to the operator's safety. A damaged track roller can cause the machine to become unstable, leading to accidents and injuries. Not replacing a damaged track roller is, therefore, a safety hazard, and it is crucial to address any issues promptly.
In summary, a damaged track roller is not something to be taken lightly. It can have a significant impact on the excavator's undercarriage, stability, performance, and operator safety. It is vital to inspect the track roller regularly and replace it promptly if any signs of damage or wear are detected. Doing so will ensure that the excavator performs optimally, reduces the risk of accidents, and keeps the operator safe.
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..
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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