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High-Quality Replacement Parts for Excavator & Bulldozer

Premium undercarriage components engineered for durability, performance, and maximum value return. Trusted by global partners since 2006.

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KRM Parts Factory

About KRM Parts Machinery Co., Ltd.

Established in 2006 and located in Quanzhou, China, KRM Parts Machinery Co., Ltd. is a leading manufacturer integrating industry and trade. With over 17 years of steady growth, we have continuously improved productivity and accelerated technological innovation to deliver the most reliable products and services.

Our factory spans over 35,000 square meters with a warehouse exceeding 1,000 square meters. We employ 300 skilled staff and maintain a monthly output of 800 tons. Equipped with nearly 100 advanced machines including CNC drilling machines and lathes, we ensure precision and consistency in every component.

35,000+
Factory Area (sqm)
800
Tons Monthly Output
300
Employees
100+
Advanced Machines

Our Premium Products

Track Roller

Track Roller & Bottom Roller

For Komatsu PC500-10, Kobelco EX1200-6, and other major brands. Precision-engineered for durability and smooth operation.

Model: 208-30-00464
Carrier Roller

Carrier Roller & Top Roller

Designed for Caterpillar, Komatsu, and Liebherr excavators. High-load capacity with sealed bearings.

Compatible with CAT E375
Idler

Excavator Idler

Replacement undercarriage idler for Komatsu, Hitachi, Volvo, and CAT models. Wear-resistant steel construction.

Model: 209-30-00012
Sprocket

Excavator Sprocket

High-tensile sprockets for Komatsu SY750, SY350, and Hitachi ZAX670. Optimized tooth profile for chain engagement.

Precision CNC Machined
Track Link

Track Link & Chain Pins

Heavy-duty track links with hardened pins and bushings. Ideal for high-abrasion environments.

Complete Chain Sets Available
Track Adjuster

Track Adjuster & Spring Assembly

Hydraulic tensioners and spring kits for proper track tensioning. Prevents premature wear.

Universal & OEM Fit
Bucket Bushings

Excavator Bucket Bushings

Aftermarket bushings for excavator buckets. High-strength bronze alloy with self-lubricating properties.

Supplier to Global Markets
Track Chain Guard

Track Chain Guard

Protective guards for excavator and bulldozer track systems. Prevents debris buildup and damage.

Heavy Gauge Steel
Segment Bolt & Nut

Track Link Segment Bolt & Nut

High-torque fasteners for secure track link assembly. Grade 10.9 steel with anti-loosening features.

Corrosion Resistant Coating
Undercarriage Spare Parts Kit

Complete Undercarriage Spare Parts

Comprehensive kits including rollers, idlers, sprockets, and links for full undercarriage rebuilds.

OEM Specifications
Arm Cylinder

Excavator Arm Cylinder

Hydraulic cylinders for excavator boom and arm assemblies. Double-sealed for leak prevention.

High-Pressure Rated
Bulldozer Components

Bulldozer Undercarriage Parts

Specialized components for D6, D8, and D10 class bulldozers. Reinforced for extreme conditions.

Heavy-Duty Construction

Why Choose KRM Parts?

Integrated Manufacturer

As a manufacturer integrating industry and trade, we control quality from raw material to final shipment, ensuring consistency and reliability.

Advanced Production

Equipped with nearly 100 CNC machines and automated systems, we deliver precision-engineered parts with tight tolerances.

Quality Guaranteed

Every product undergoes rigorous testing for hardness, load capacity, and wear resistance to meet international standards.

Global Reach

Trusted by customers in over 50 countries. We support global logistics with fast shipping and documentation.

Responsive Support

Our team responds to inquiries within 24 hours. We provide technical support, catalogs, and custom solutions.

Competitive Pricing

Direct factory pricing with no middlemen. High value return without compromising on quality.

17+
Years in Business
300+
Team Members
800
Tons/Month Output
50+
Countries Served

Frequently Asked Questions

How do I choose the right bottom roller for my bulldozer?

Select based on your machine model, weight class, and operating conditions. We offer rollers for D6, D8, and D10 bulldozers with hardened steel and sealed bearings for durability.

What methods reduce wear on excavator track links?

Proper track tension, avoiding side-sloping, regular cleaning, and using compatible components help reduce wear. We recommend inspecting rollers and idlers monthly.

Do you offer custom parts or OEM manufacturing?

Yes, we accept custom drawings and samples for OEM production. Our engineering team supports prototyping and batch manufacturing.

What is your minimum order quantity (MOQ)?

We accept trial orders. MOQ varies by product but typically starts at 1 set or 50 pcs for small components. Contact us for details.

How long does shipping take?

Production time is 15-25 days. Shipping via sea freight takes 20-40 days depending on destination. Air freight available for urgent orders.

Get in Touch

For inquiries about our products or pricelist, please contact us directly through the official website.

Contact Information

Email: markkrm668@gmail.com

Phone / WhatsApp: +86 15106097952

Company: KRM Parts Machinery Co., Ltd.

Location: D38 Chenghui International, Nanan, Quanzhou City, Fujian, China

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