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ApplicationOur products consist of undercarriage parts for bulldozer and excavator such as Track link,Track roller,Carrier roller,Sprocket,ldler,Track shoe,Cutting edge,End bit,Tooth Bucket,Track pin,Track bush, Engine parts,Track boit&nuts.U-bolt,Centre bolt,Wheel bolt and other related parts.
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About UsFujian Yongsheng Machinery Parts Co., Ltd. is located in Quanzhou City, Fujian Province, which is one of the most developed regions of China Machinery Manufacturing.The company was established in 2003, after approximately 10years' effort, and now it is one of the leading construction machinery parts auto parts manufacturers in CHINA.
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BlogSuppliers who pass Quality ManagementSystem Certification, and have onsitematerials or finished products inspected,as certified by independent third parties.
Contact Us
E-mail :
sales@china-ysm.com
Phone/WhatsApp：
+86-18606961587
Address：
No.8 Binjiang Street, Binjiang Industrial Zone, Xiamei Town, Nan An City, Quanzhou City, Fujian Province, China
Forged Bulldozer Track Roller D155 Bottom Roller Lower Roller Assembly for Komatsu D155 D155A Shantui Undercarriage Parts
隐藏域元素占位
Product Introduction
Heavy Duty Bulldozer Track Roller (Bottom Roller / Lower Roller Assembly) for D155
Fujian Yongsheng Machinery Parts Co., Ltd. (YSM) is a premier source factory based in Quanzhou, China, specializing in high-performance heavy machinery undercarriage parts. Our D155 Track Roller series is manufactured in strict compliance with OEM specifications, offering impeccable compatibility with world-renowned crawler bulldozers, specifically the Komatsu D155 / D155A series and Shantui heavy-duty bulldozers.
D155 Track Roller Technical Specifications
| Parameter / Feature | Specification Details |
|---|---|
| Product Full Names | Bulldozer Track Roller, Crawler Bottom Roller, Heavy Duty Lower Roller Assembly |
| Compatible Machine Models | Komatsu D155, Komatsu D155A-1, D155A-2, D155A-3, D155A-5, Shantui Bulldozers |
| Core Manufacturing Process | 40Mn2 Original Forged Steel (High Structural Density) |
| Surface Hardness Depth | HRC 50-55 (Optimal Depth Hardening for Wear Resistance) |
| Welding Standard | Imported Friction Welding Technology from Japan (Leak-Proof Seal) |
| Internal Component | Premium Domestic COB Copper Bushing |
| Guaranteed Lifespan | Minimum 2000 Hours / 1-Year Warranty Protection |
Why YSM Forged D155 Bottom Rollers Outperform Standard Alternatives
- Precision Brand Compatibility: Engineered specifically for the heavy-duty demands of D155 bulldozer models. Dimensions, tolerances, and seals perfectly match Komatsu and Shantui undercarriage systems for a seamless swap-out.
- Superior 40Mn2 Forging Quality: Unlike common cast iron rollers that fracture under extreme load, our 40Mn2 forged steel body provides the essential internal density required for high-impact rock and earthmoving projects.
- Flawless Japanese Friction Welding: Utilizing imported machinery from Japan, the friction welding joints on our lower roller assemblies guarantee flawless structural integrity, eliminating the risk of oil seals breaking mid-operation.
- Trusted Global OEM Quality: With a robust track record executing contract manufacturing for major global aftermarket brands like ITR, YSM guarantees international wholesalers the highest tier of manufacturing reliability directly from China.
Wholesale & Custom Undercarriage Solutions
As a dedicated China factory, we support global heavy machinery fleet managers and parts distributors with large-scale supply and fast shipping. If you require specific alterations or rare part number configurations for your D155 undercarriage, simply send us your engineering drawings for custom development. Reach out to our sales engineering team today for an instant factory-direct quote!
Our Advantage
1、Equipment
We have complete production line and testing equipment, including CNC process center,
2、Group
We have our own team to research, design, produce and sell.
3、Quality
We have passed IS0 9001:2005. standard, stable,reliable
4、Price
Our products compare favorably with other traders.
5、History
We are a company combined with R&D, production and sales wholly,
6、Philosophy
With excellent quality, firt-class service, honest business
Custom Process
Helpful information for identifying replacement parts for undercarriage for excavators in
this quick reference guide and for models and manufacturers not listed in this catalog
1. Identify the excavator's full model and serial numbers.
2. Determine the quantity of top and bottom rollers. If you can, find out how big the bottom roller bolt hole is.
3. Count the number of sprocket bolt holes and teeth. If you can, find out how big the bolt hole is.
4. Count the number of links and measure and estimate the original track chain pitch.
5. Calculate and measure the bushing and pin original diameters.
6. Obtain any track links identifying marks, such as the manufacturer and part number.
7. Calculate the bolt hole pattern and the width of the track shoe.
After-Sales
Helpful information for identifying replacement parts for undercarriage for excavators in
this quick reference guide and for models and manufacturers not listed in this catalog
1. Identify the excavator's full model and serial numbers.
2. Determine the quantity of top and bottom rollers. If you can, find out how big the bottom roller bolt hole is.
3. Count the number of sprocket bolt holes and teeth. If you can, find out how big the bolt hole is.
4. Count the number of links and measure and estimate the original track chain pitch.
5. Calculate and measure the bushing and pin original diameters.
6. Obtain any track links identifying marks, such as the manufacturer and part number.
7. Calculate the bolt hole pattern and the width of the track shoe.
Payment
We can accpet payment via TT, LC,DP,DA, WESTERN UNION; Sample order lead time is in 7-10 days, Mass quantity order lead time is 25-30 days; We can provide you professional technical support. And our products quality gurantee is 12 months.
Our Service
-Professional OEM Manufacturer
-Specializing in high quality undercarriage parts for mining area
-With one year or 2000 working hours guarantee
-Quick delivery time
-Exclusive agent accepted
-Same quality with some famous brands
-Unmatched customer service
-Full compliance with European quality standards
-Excellent quality with competitive prices
- Have cooperated with a lot of importers for more than 15 years
You Are Currently Facing The Problem?
Our company creates a professional network for sales and services, extends its reach of services over the globe, sets up an integrated system for pre- during and post sale services.
What Is The Delivery Time?
For The Excavator Parts Nomally We Can Offer Within 30 Days, If For Dozer Partsnomally 45 Days.
What Is The Warranty Of Your Products?
For Normal Use Excavator And Dozer Undercarriage We Offer 1 Year Or 2000 Working Hours
What Is Your Payment Terms?
You Can Choose Tt,Lc,Dp,Da,Western Union.
What Is Your Moq?
Nomally Our Moq Is 3000 Usd.
What Are The Pakages Of Your Products?
We Can Offer Fumigating Wooden Pallets/Boxes,Plywood Pallets/Boxes,Or Cartons
We Can Provide You
1.For The Excavator Parts Nomally We Can Offer Within 30 Days, If For Dozer Partsnomally 45 Days.
2.For Normal Use Excavator And Dozer Undercarriage We Offer 1 Year Or 2000 Working Hours
3.You Can Choose Tt,Lc,Dp,Da,Western Union.
4.Nomally Our Moq Is 3000 Usd.
5.We Can Offer Fumigating Wooden Pallets/Boxes,Plywood Pallets/Boxes,Or Cartons
6.Our Nearest Port Is Xiamen Port China.
7.We Can Offer Certificate Of Original,Form E, Form A Etc.
8.Our Factory Are Located In Quanzhou City, Fujian Province,China
Our Fast Train Station Name Is Quanzhou,Our City Airport Name: Jinjiang Airport
Specialized OEM Services
1. Material
2. Color
3. Size And Shape
4. Logo
6. Packaging
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No.8 Binjiang Street, Binjiang Industrial Zone, Xiamei Town, Nan An City, Quanzhou City, Fujian Province, China
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