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Excavator Parts Manufacturing

Premium Excavator & Hydraulic Parts Manufacturer

OEM-quality pins, bushings, cylinders, gear pumps, and transmission components for CAT, Komatsu, Hitachi, Doosan, Volvo, and more.

About DENA Machinery

A trusted manufacturer of high-performance excavator and construction machinery components since 1999.

Factory Interior

Founded in 1999, our factory spans approximately 15,000 square meters in Quanzhou, Fujian Province, China. We specialize in manufacturing precision-engineered components for heavy-duty construction and mining equipment.

Equipped with advanced production lines and staffed by senior engineers and technical managers, we maintain a rigorous quality management system to ensure every part meets or exceeds OEM specifications.

1999
Founded
15K
m² Factory
40+
Engineers
25+
Years Experience

Our Featured Products

High-performance replacement parts compatible with major excavator brands

Hydraulic Cylinder 465-6234

Hydraulic Cylinder 465-6234

OEM replacement for Komatsu excavators. Includes 467-1554, 4671554 models. Precision bore and rod finish.

Komatsu
Bucket Bushing Set

Bucket Bushing & Pin Set

Heavy-duty bushings and pins for excavator buckets. High wear resistance, extended service life.

Universal
Hydraulic Gear Pump 196-8428

Hydraulic Gear Pump 196-8428

Original brand new pump for CAT and compatible systems. 329-5736 cross-reference.

CAT
Steering Cylinder 617-6164

Steering Cylinder 617-6164

562 mm stroke, heavy-duty construction. Compatible with multiple Volvo ADT models.

Volvo
Boom/Stick Cylinder 598-1510

Boom/Stick Cylinder 598-1510

High-pressure hydraulic cylinder for excavator arm systems. 465-8605 compatible.

Doosan
Lift Cylinder 521-8394

Lift Cylinder 521-8394

For CAT D10T2 and similar models. Full cylinder group assembly with seals and hardware.

CAT
Arm Cylinder 425-0698

Arm Cylinder 425-0698

Hydraulic arm cylinder assembly. Compatible with 589-5410, 4250698, 5895410 models.

Komatsu
Planetary Carrier Assembly

Planetary Carrier Assembly

Precision-machined carrier for swing and travel gearboxes. Durable alloy steel construction.

OEM
Shaft & Ring Gear Set

Shaft & Ring Gear Set

Complete drivetrain components for excavator undercarriage and slewing mechanisms.

Universal
Tilt Bucket Cylinder

Tilt Bucket Cylinder

Power steering cylinder for tilt bucket systems. Bulldozing and grading applications.

JCB
Gearbox & Case Assembly

Gearbox & Case Assembly

Complete transmission units with planetary gears, shafts, and housing. OEM specifications.

Custom
Slewing Ring Bearing

Slewing Ring Bearing

High-load capacity slewing bearings for excavator upper structures and rotating platforms.

Heavy Duty

Why Choose 86dena.com?

Engineered for performance, durability, and global reliability

OEM Quality

Every component is manufactured to meet or exceed original equipment manufacturer specifications.

Advanced Manufacturing

15,000 m² facility with CNC machining, heat treatment, and precision grinding capabilities.

Rigorous Testing

Each part undergoes pressure, load, and durability testing before shipment.

Global Supply

Trusted by distributors and repair shops in over 50 countries worldwide.

25+
Years in Business
40+
Technical Team
500+
Product Models
15K
m² Factory

Frequently Asked Questions

Everything you need to know about our products and services

What brands do you manufacture parts for?

We produce high-quality replacement parts for CAT, Komatsu, Hitachi, Doosan, Hyundai, Volvo, JCB, Samsung, and other major excavator and construction equipment brands.

Are your parts OEM equivalent?

Yes, all our components are engineered to meet or exceed OEM specifications in terms of materials, tolerances, performance, and durability.

Can you customize parts for specific models?

Yes, we offer custom manufacturing services. Our engineering team can develop parts based on drawings, samples, or specifications.

What is your minimum order quantity (MOQ)?

MOQ varies by product. For standard items, we can accommodate small trial orders. Contact us for specific requirements.

How do you ensure quality control?

We maintain a comprehensive quality management system with incoming material inspection, in-process checks, final testing, and documentation for traceability.

Get in Touch

Interested in our excavator pins, bushings, hydraulic cylinders, or custom components? Reach out today.

No. 1, Xingye East Road, Changtai Street, Licheng District, Quanzhou City, Fujian Province, China.
0086-15905991155
market@denamachinery.com
Available via WhatsApp
Mon – Fri: 10am – 7pm (China Standard Time)

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