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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 Front Idler Group for Caterpillar CAT D9N D9R Bulldozer Track Idler Guide Wheel Assembly - YSM
隐藏域元素占位
Product Introduction
7G4918 Forged Front Idler Group (Bulldozer Track Idler / Guide Wheel Assembly)
Fujian Yongsheng Machinery Parts Co., Ltd. (YSM) is a trusted source factory in Quanzhou, China, specializing in world-class heavy machinery undercarriage parts. Our 7G4918 Front Idler Group is engineered to exact OEM standards, delivering impeccable track alignment, maximum structural support, and long-term durability for heavy tracked tractors—specifically optimized for Caterpillar CAT D9N and D9R bulldozers.
CAT D9N / D9R Front Idler Technical Specifications
| Parameter / Feature | Specification Details |
|---|---|
| OEM Part Number | 7G4918 / 7G-4918 |
| Product Full Names | Front Idler Group, Bulldozer Track Idler, Track Guide Wheel Assembly |
| Compatible Equipment Models | Caterpillar (CAT) D9N Bulldozer, CAT D9R Track-Type Tractor / Crawler Dozer |
| Manufacturing Technology | 100% Advanced Forging Process (Superior Core Hardness) |
| Surface Quality | High-Density, Completely Pore-Free Surface Structure |
| Service Lifespan Extension | Averages 6 Months Longer Runtime than Standard Cast Alternatives |
| Quality & Contract Fit | Adheres to Global OEM Standards, Fits Premium ITR Quality Demand |
Why Global Fleet Managers Trust YSM Forged 7G4918 Idlers
- Flawless Compatibility & Fit: Built strictly according to original Caterpillar engineering specifications for D9N and D9R models. Guarantees precise shaft, seal, and clearance fitting, ensuring a fast and trouble-free field installation.
- Heavy-Duty Forged Toughness: Severe quarry and mining operations easily crack low-cost cast idlers. Our 100% forging process completely eliminates internal structural porosity, allowing the guide wheel to absorb immense shock loads without breaking.
- Proven 6-Month Extended Wear Life: Through advanced deep-induction heat treatment, the wear bands on our D9N track idlers maintain optimal hardness depths, extending operational life by over 6 months compared to conventional aftermarket parts.
- Experienced OEM Quality Supplier: Backed by years of contract manufacturing expertise that seamlessly fits the rigorous quality benchmarks of leading brands like ITR, YSM brings top-tier China factory reliability straight to your international wholesale business.
Wholesale & Factory-Direct Bulk Supply
As an independent manufacturing plant in China, YSM supports heavy equipment parts distributors, procurement managers, and machinery repair shops with high-volume, budget-optimized undercarriage solutions. We offer rapid worldwide shipping and full customization capabilities from engineering drawings. Contact our sales team today for an immediate factory-direct quote on the 7G4918 Front Idler Group!
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
Category:
Related Products
Our idler uses the forging process, which has higher strength and durability, capable of withstanding heavy loads, vibrations, and impacts.
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Andy Shi
No.8 Binjiang Street, Binjiang Industrial Zone, Xiamei Town, Nan An City, Quanzhou City, Fujian Province, China
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