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Heavy‑Duty PC400‑7E0 / PC400LC‑7E0 Hydraulic Arm Cylinder | Komatsu Excavator Spare Parts Part No.707‑01‑0F691 – Premium Aftermarket Grade
1. Product Overview & Equipment Compatibility
The 707‑01‑0F691 hydraulic arm cylinder is a core heavy‑load component specifically designed for Komatsu PC400‑7E0 and PC400LC‑7E0 large excavators. Precisely matched to OEM mounting sizes and hydraulic parameters, it enables direct replacement installation without modification, delivering stable arm performance for mining, quarrying and large‑scale earthmoving projects.
Quick Product Parameter Sheet
| Parameter |
Product & Logistics Details |
| Application |
Large‑Scale Heavy‑Duty Excavator Hydraulic System |
| Part Name |
Hydraulic Arm Cylinder |
| Compatible Model |
Komatsu PC400‑7E0 / PC400LC‑7E0 |
| Part Number |
707‑01‑0F691 |
| Quality Grade |
High‑Quality Aftermarket |
| Certifications |
ISO9001, CE |
| Warranty |
12‑Month Full Warranty |
| Minimum Order Quantity |
1 Piece |
| Delivery Lead Time |
3‑7 Days (Air Express) |
| Shipping Methods |
Express, Land, Sea, Railway Freight |
| Payment Options |
T/T, Trade Assurance, PayPal |
2. Technical Specifications & Material Standards
Manufactured under ISO9001 quality control, this arm cylinder features high‑tensile seamless alloy steel barrel and induction‑hardened, chrome‑plated piston rod for superior wear resistance. Imported heavy‑duty high‑pressure seals ensure stable performance from ‑20℃ to 85℃, with every unit passing leak and fatigue testing before shipment.
| Engineering Attribute |
Verified Data |
| Component Type |
Komatsu PC400 Series Hydraulic Arm Cylinder |
| OEM Equivalent Part No. |
707‑01‑0F691 |
| Core Material |
High‑Strength Seamless Alloy Steel |
| Piston‑Rod Treatment |
Induction Hardening + Hard Chrome Plating |
| Sealing |
Imported High‑Pressure Polyurethane Seals |
| Operating Temperature |
‑20℃ ~ +85℃ |
| Factory Inspection |
Leak Test, Fatigue Test, Dimensional Precision Check |
3. Why Choose Our 707‑01‑0F691 Arm Cylinder
We provide OEM‑equivalent performance at lower cost than genuine Komatsu parts. With flexible 1‑piece MOQ, 12‑month warranty covering free non‑artificial defect replacements, and fast Guangzhou‑warehouse delivery, we reduce maintenance costs and minimize site downtime.
4. Belparts Brand & Global Supply Capability
Founded in 2013, Belparts specializes in heavy‑duty excavator hydraulic spare parts. We offer genuine and premium aftermarket parts compatible with Komatsu, , Hitachi, Doosan and Hyundai, exporting to over 150 countries with reliable global logistics support.
5. Common Concerns of Global Komatsu Excavator Parts Buyers
Q1: Can this 707‑01‑0F691 arm cylinder fit my PC400‑7E0 excavator perfectly?
A: Share your machine serial number or old cylinder casting photos, and our engineering team confirms 100% compatibility for plug‑and‑play installation.
Q2: What does the 12‑month warranty include?
A: It covers non‑human‑caused defects such as oil leakage, cylinder deformation and seal damage, with free replacement parts and remote technical support.
Q3: How is your cylinder better than generic aftermarket alternatives?
A: Reinforced mining‑grade materials and heavy‑load‑optimized structure extend service life 2‑3 times longer than standard aftermarket cylinders.
Q4: How is the cylinder protected during international shipping?
A: Anti‑corrosion treatment, airtight port sealing and export‑grade wooden case packaging ensure safe transit. Air express takes 3‑7 days; sea freight 30‑45 days.
Q5: What payment methods do you accept?
A: T/T, platform‑secured Trade Assurance and PayPal, fully protecting cross‑border transactions for global buyers.
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