Product Description

Heavy-duty excavator hydraulic cylinders with OEM sizes, chrome rods and leakproof seals. Stock and custom options for global construction repair shops.

Product Detail

1. Product Title

Excavator Construction Hydraulic Cylinder, OEM Direct Replacement Hard Chrome Rod

2. Meta Description

Factory supply construction hydraulic cylinders for all brand excavators. Same OEM mounting size, anti-leak seal set, thick chrome piston rod. Fit CAT, Komatsu, Hitachi, Doosan machines, fast delivery for global repair shops.

3. Product Overview

This construction hydraulic cylinder is made for heavy-duty excavator working scenarios. Every product strictly follows original OEM dimension standards. We use precision deep honed cylinder barrel and 42CrMo solid piston rod with thick hard chrome coating. The whole set adopts wear-resistant composite seals, can keep stable performance under long time mud, dust and high pressure operation. When your old cylinder leaks oil or gets damaged, this cylinder can be installed directly without cutting or modifying machine structure, greatly lowering your maintenance cost and downtime.

4. Product Features

  • Complete matched sealing assembly, effectively prevent oil leakage under continuous heavy load
  • Thick hard chrome plated rod surface, anti-rust and anti-scratch, extend service life
  • Smooth honed inner tube wall, reduce internal friction for steady extension and retraction
  • Multiple installation types: earring, trunnion, front and rear flange to fit different excavator models
  • Fully consistent with original installation size, plug and play for quick replacement
  • Factory direct supply, support single sample order and bulk fleet wholesale orders

5. Technical Data

Item Specification
Cylinder Type Double Acting Construction Excavator Cylinder
Working Pressure 21MPa / 3000PSI
Bore Range 80mm – 180mm
Stroke Range 500mm – 2200mm
Piston Rod Material 42CrMo Steel, hard chrome plating
Seal Material PU + NBR composite wear resistant seal
Working Temperature -20℃ ~ 110℃
Applicable Mount Clevis, Trunnion, Flange Mount
Custom Support Custom bore, stroke and mount size per drawing


6. Application

Our construction hydraulic cylinders fit all mainstream construction machinery:

  • Excavator boom cylinder, arm cylinder, bucket cylinder
  • Wheel loader tilt and lift cylinder
  • Bulldozer angle cylinder
  • Mobile crane telescopic cylinder
  • Skid steer loader hydraulic cylinder
  • Road roller heavy load cylinder

Compatible machine brands: CAT, Komatsu, Hitachi, Doosan, Hyundai, Volvo, Sany, XCMG

7. Custom Service

We accept custom construction hydraulic cylinders for special excavator or modified equipment. If you have special stroke, bore, installation hole or high dust resistant requirements, send us your dimension drawings or equipment model numbers. Our technical staff will check all data before production. We can also print your brand logo on cylinder surface, provide matching seal repair kits as supporting spare parts.8. Packaging & ShippingEvery construction cylinder is wrapped with thick plastic protective film, then fixed into export plywood case to avoid bump and scratch during sea or air transport. One piece sample is acceptable. Standard stock construction cylinders can be delivered within 7-10 working days. Custom non-standard cylinders take 12-18 working days. We support sea shipping, air cargo and international express door to door service.

9. FAQ

Q1: Can this cylinder fit my excavator without modification?

A: All our construction cylinders are produced according to OEM original size. The hole distance, bore and stroke are fully matched, you can install it directly.


Q2: Do you sell separate seal kits for cylinder maintenance?

A: Yes, we can provide full set matching seal kits, piston rod and cylinder barrel spare parts separately.


Q3: If my excavator model is rare, can you make matched cylinder?

A: We have rich experience in producing replacement cylinders for various old and new excavators. Offer your machine model or old cylinder size drawing, we can arrange production.

10. Inquiry Tips

If you need to confirm matching excavator model, ask wholesale price or get our full construction cylinder catalog, send inquiry to us at any time. We will reply all messages within 24 hours and provide suitable hydraulic solutions for your construction equipment repair business.

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