Hydraulic Arm Cylinder 4388224 For Hitachi ZX70 ZaX70 Excavator Parts
Hydraulic Arm Cylinder 4388224 For Hitachi ZX70 ZaX70 Excavator Parts
Product Description
Product Name | Arm Cylinder For Hitachi Hydraulic Parts |
Model | ZX70 ZaX70 |
| Compatible With Other Models | EX60-5(LC), EX60BUN-5, EX70LCK-5, ZX70, ZX75US, ZX80LCK, ZX80SB-HCME |
Temperature Range | -20-80°C |
Part Number | 4388224 4446255 4458862 |
| Pressure Range | 21 MPa to 35 MPa |
| Dimensions | Customized |
OEM | Yes |
| Service Stage | Details |
| PreSales Service | Free consultation and technical advice. |
| Customization options for dimensions and performance based on customer requirements. | |
| InSales Service | Fast production and delivery times. |
| Real-time updates on manufacturing and shipment status. | |
| AfterSales Service | Warranty on manufacturing defects. |
| Technical support for installation and maintenance. | |
| Replacement parts available for longterm support. |
ps.If you are looking for other hydraulic cylinders for the ZX70, please contact us for a quote
ZX70 Arm Cylinder
| Brand/Model | For Hitachi ZAX70 Arm Cylinder Assy – Original – Core Included |
| Installation Distance | 1300 |
| Stroke | 905 |
| Rod Head Pin Hole | 55 |
| Rod Head Thickness | 70 |
| Rod Diameter | 60 |
| Rod Tail Pin Hole | 55 |
| Rod Tail Thickness | 70 |
| Cylinder Bore | 95 |
| Oil Port/Usage | - |
List Of Spare Parts (4388224 )
| Pos | Part No | Qty | Parts name | Comments |
| 4388224 | [1] | CYL. ARM | 728700 | |
| 1 | 728701 | [1] | TUBE CYL. | |
| 2 | 728702 | [1] | ROD PISTON | |
| 3 | 728703 | [1] | HEAD CYL. | |
| 4 | 444706 | [1] | BUSHING | |
| 5 | 225704 | [1] | RING RETAINING | |
| 6 | 225714 | [1] | RING | |
| 7 | 225711 | [1] | PACKING U-RING | |
| 8 | 225712 | [1] | RING BACK-UP | |
| 9 | 444715 | [1] | RING WIPER | |
| 10 | A811090 | [1] | O-RING | |
| 11 | 310606 | [3] | RING BACK-UP | |
| 12 | A810095 | [1] | O-RING | |
| 13 | A811085 | [1] | O-RING | |
| 14 | 4043327 | [1] | WASHER LOCK | |
| 15 | 728704 | [1] | BRG. CUSHION | |
| 16 | 728705 | [1] | SEAL CUSHION | |
| 17 | 728706 | [1] | PISTON | |
| 18 | 310608 | [1] | RING SEAL | |
| 19 | 333007 | [2] | RING SLIDE | |
| 20 | 728707 | [1] | SHIM | |
| 21 | 310612 | [1] | SCREW SET | |
| 22 | 111818 | [1] | BALL STEEL | |
| 23 | 444708 | [1] | BRG. CUSHION | |
| 24 | 714904 | [1] | SEAL CUSHION | |
| 25 | 444710 | [1] | RING RETAINING | |
| 26 | 396211 | [2] | STOPPER | |
| 27 | 714804 | [1] | ELBOW | |
| 28 | 728708 | [1] | PIPE | |
| 29 | 728709 | [1] | PIPE | |
| 30 | 714807 | [2] | BOLT | |
| 31 | 714808 | [2] | WASHER | |
| 32 | 159411 | [1] | FITTING GREASE | |
| 33 | J75481 | [2] | FITTING GREASE | |
| 100 | 4415584 | [1] | KIT SEAL |
*Note:Suitable for different models. Please contact us for the specific part number,part number information is being updated
Company Information
GuangZhou GuoLi Engineering Machinery Co., Ltd., with over 16 years of experience in excavator hydraulic cylinders, is a foreign trade company specializing in a wide range of products, including crawler excavator arm cylinders, boom cylinders, bucket cylinders, cylinder tubes, cylinder rods, custom hydraulic cylinders, seal kits, hydraulic pumps, and electric parts, all designed for various excavator models. Our products have been exported to over 100 countries and regions worldwide.
Factory Tour
Our main product, excavator cylinders, is produced through a complete hydraulic cylinder production line, from design to manufacturing. With over ten years of experience, we’ve upgraded our offerings to multi-stage hydraulic cylinders. We focus on cylinder customization and produce a variety of domestic and imported excavator cylinders. Using advanced CNC lathes, grinders, and assembly equipment, we strictly follow ISO quality standards throughout production.
Piston Rod Production Process
| Feature | Description |
| Material | Tempered steel |
| Surface Treatment | Induction hardened before chrome plating to prevent bending and scratching |
| Rust Resistance | Resists rust for over 100 hours in salt spray tests |
| Production Process | Produced and electroplated in-house |
| Finish | Mirror finish technology |
Automatic Welding Process
| Feature | Description |
| Welding Method | Fully automated welding for consistency and integrity |
| Craftsmanship | Lean welding craft ensures strong joint strength and eliminates defects |
| Weld Seam Quality | Weld seam matches the appearance of original parts |
| Durability | Welded parts are not easy to fall off |
Finished Product Warehouse Display
Exhibition Showcase
Our Presence at Major Exhibitions: 2023 Malaysia & 2024 Shanghai Bauma
Exhibition With Cooperated Clients
Certificates
Certification
FAQ
1.How can I be sure the part will fit my excavator ?
Give us correct model number /machine serial number /any numbers on the parts itself.
Or measure the parts give us dimension or drawing.
2.What material do you use on hydraulic cylinder?
High frequency quenching No.40 manganese steel as rod material so the cylinder rod has better bending resistance.
No.25 manganese steel as tube material ,so the tube has better wear resistance,
High-strength hardened steel as rod head and tube head ,so the cylinder head and rod head more durable.
Name-brand seal kits to reduce the hydraulic cylinder oil leakage rate.
3.How long can an order delivery?
For some often used models of excavator hydraulic cylinder , we have in stock, within 7 days .
For any order less than one container takes about 2 weeks to finish; Order of 1-2 container takes 4 -6weeks.
At busy manufacturing season, manufacturing time needs more which can confirm by discussion.
4.How to pay?
Order less than 3000USD, full payment at order, Order over USD3000 value ,50% deposited in to start,
50% balance paid to deliver,inspection service accepted.
For customized order, 70%payment as deposit ,30% balance paid to deliver.
5.How to delivery?
If you have shipping agent ,we will cooperate with your agent to arrange shipment .
If not , we have good relationships with shipping companies, express suppliers.
For light goods ,by UPS/DHL/TNT(DAP terms) , For heavy goods ,by sea (FOB,CIF,CFR)
Customer Reviews
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.