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Excavator · Dozer · Mining Truck Parts Manufacturer
12 Months / 4,000 Hours Warranty
Wide Product Range
Factory Direct Pricing
Cost-Effective Solutions
Excavator · Dozer · Mining Truck Components Manufacturer
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EXCAVATOR
BULLDOZER
HYDRAULIC MINING SHOVEL
MINING DUMP TRUCK
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Boom
Boss
Bushing
Center Joint
Idler
Link Assembly
Pin
Roller
Side Link
Spring
Sprocket
Track Cylinder Adjuster Assembly
Track Frame
Track Guard
Track Shoe Link
York
Frame As-Track Roller
Idler
Roller
Bulldozer Equaliser Bar
Track Cylinder Adjuster Assembly
Track Frame
Track Guard
Track Shoe Link
Hydraulic Cylinder GP
Idler
Roller
Sprocket
Track Shoe Link
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Featured Products
We have established long-term cooperative relations with many Mining Company.
About JIARUN
Focused supplier of aftermarket parts for mining and construction equipment.
Established in 2011, Shandong JIARUN Precision Machinery Manufacturing Co., Ltd. is a factory-based manufacturer specializing in structural and undercarriage components for excavators, dozers, and mining trucks.
All products are manufactured in accordance with OEM specifications and industry standards, supported by strict quality control and stable production processes. Selected components are structurally improved to meet or exceed original performance requirements.
We manufacture aftermarket structural and undercarriage components for mining and construction equipment, including track frame assemblies and fabricated support structures, undercarriage, spare parts.
Why Choose Us
Manufacturing Expertise
Established in 2011, JIARUN is a factory-based manufacturer specializing in structural and undercarriage components for excavators, dozers, and mining trucks.
We maintain controlled production processes and stable manufacturing standards.
Quality Standards
Downtime costs.
Failure is not an option.
OEM-spec manufacturing.
Reliability Quality first!
Warranty Support
We provide up to 12 months or 4,000 operating hours warranty, depending on product and application.
Technical support and after-sales service ensure reliable long-term operation.
Continuous Innovation
JIARUN continuously develops aftermarket products that are not widely available in the market.
We focus on high-cost and long lead-time OEM components, offering alternatives such as brand-new CAT D8–D11 dozer track frames, mining truck brake discs, brake cylinders, spindles, hard arms and structural parts.
Wide Product Range
With over 3,000 parts available, we supply structural, undercarriage, and mining equipment components.
Both standard replacement parts and customized manufacturing projects are supported.
Factory Direct Advantage
Direct manufacturing means no unnecessary intermediary costs.
We welcome customers to visit our facility and work with us directly for stable, long-term cooperation.
Our Products fit the following Brands
Supplying selected components to KOBELCO (China)
CAT Full Range Parts, OEM Quality Manufacturer
Certified Quality
✦ Certified under ISO 9001:2015 Quality Management System
✦ We ensure every component meets strict industry standards — because in mining, downtime costs money.
What Our Customers Say
Feel free to check out our customer testimonials to learn more about our exceptional quality.
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Feedback from American customers
CONEXPO-CON/AGG 2026, we are coming! Just visit Booth N-11466 @JIARUN
March 3- 7, 2026 @ CONEXPO-CON/AGG | Las Vegas, USA
Email: sales@jiarunmachinery.com
Blog & Support
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Your one-stop solution provider!
Focused supplier of aftermarket parts for mining and construction equipment.
All manufacturers’ names, numbers, symbols and descriptions are used for reference purposes only. It is not implied that any part listed is the product of, or is endorsed by, the respective manufacturers.
All materials on this website are the property of Shandong Jiarun Precision Machinery Manufacturing Co., Ltd.