Heavy-duty excavator hydraulic cylinders with OEM sizes, chrome rods and leakproof seals. Stock and custom options for global construction repair shops.
Bore Range:
80mm – 180mmPiston Rod Material:
42CrMo Steel, hard chrome platingStroke Range:
500mm – 2200mmExcavator Construction Hydraulic Cylinder, OEM Direct Replacement Hard Chrome Rod
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.
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.
| 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 |

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