Guangzhou Guoli Engineering Machinery Co., Ltd.
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Arm Cylinder Assembly E301.5 Fits For Caterpillar Excavator Parts
Product Description
| Product Name | Excavator Arm Cylinder |
| Model | E301.5 |
| Some Hydraulic Cylinders Suitable For E301.5 | 144-5992 212-6333 231-1209 212-6327 |
| Temperature Range | -30-100°C |
| Working Pressure | 7/14/16/21/31.5MPa 37.5/63MPa |
| OEM | Yes |
| Applications in | |
| Construction | Earthmoving, trenching, foundation work |
| Mining | Material handling, excavation, and rock breaking |
| Agriculture | Land leveling, field preparation |
| Forestry | Heavy lifting, debris clearing |
| Demolition | Structural breaking and removal tasks |
Why choose us
Expertise
With over a decade of experience, we specialize in hydraulic cylinders and excavator parts, ensuring you get reliable solutions every time.
Uncompromising Quality
We use only premium materials and precise manufacturing, guaranteeing durable, high-performance parts for your machinery.
Fast, Reliable Delivery
Our efficient logistics ensure quick delivery, minimizing downtime and keeping your operations running smoothly.
Custom Solutions
Need something unique? We offer tailored parts to meet your exact requirements, designed for optimal performance.
Exceptional Support
From consultation to after-sales service, our dedicated team is always ready to provide expert advice and assistance.
After-sale service
We offer comprehensive after-sales service to ensure your satisfaction. From timely shipment tracking and delivery updates to quality checks during use,were always here to address any concerns and provide support. Your trust is our priority!
List Of Spare Parts
144-5992 One of the spare parts of the Hydraulic Cylinder
| Part No | Parts Name |
| 146-9023 | PISTON |
| 147-2635 | CYLINDER AS |
| 139-4277 | BUSHING |
| 147-2636 | ROD AS |
| 139-4277 | BUSHING |
| 144-9480 | SEAL-LIP TYPE |
| 144-9481 | SEAL-U-CUP |
| 144-9482 | RING-WEAR |
| 144-9485 | SEAL-PISTON |
| 144-9486 | RING-WEAR |
| 147-2639 | HEAD |
| 4P-2337 | LOCKNUT (M22X2.5-THD) |
| 5J-0605 | RING-BACKUP |
| 6V-7658 | SEAL-O-RING |
| 7F-8268 | SEAL-O-RING |
| 160-8546 | AVAILABLE REPAIR KIT |
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)