KOMATSU 02766-004A6 Hydraulic Hose Assembly
Product Overview
The KOMATSU 02766-004A6 Hydraulic Hose Assembly is a Genuine Komatsu OEM face seal hydraulic hose designed to safely transfer pressurized hydraulic fluid within the machine’s hydraulic and brake systems. Engineered to Komatsu’s stringent OEM standards, the hose assembly provides reliable fluid conveyance, leak-free sealing, and long service life under demanding operating conditions. It is specifically manufactured to match the machine’s hydraulic pressure, routing, and fitting requirements, ensuring dependable system performance and operator safety.
Designed as a direct OEM replacement, the 02766-004A6 Hydraulic Hose Assembly restores original hydraulic system performance while minimizing the risk of premature hose failure and unplanned machine downtime.
Key Features
- Genuine Komatsu OEM Hydraulic Hose Assembly
- Part Number: 02766-004A6
- Face seal hydraulic hose assembly
- Transfers pressurized hydraulic fluid between hydraulic components
- Designed for high-pressure hydraulic and brake system applications
- Manufactured to Komatsu OEM specifications
- Direct OEM replacement
- Leak-resistant face seal connections
- Designed for durability in harsh operating environments
- Suitable for heavy-duty construction, mining, quarrying, and haulage equipment
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 02766-004A6 |
| Product Type | Hydraulic Hose Assembly |
| Hose Type | Face Seal Hydraulic Hose |
| Inside Diameter | 12.7 mm (0.50 in) |
| Length | 650 mm (25.59 in) |
| Pressure Rating | 20.5 MPa (205 bar) |
| Temperature Rating | -40°C to +120°C |
| Function | Transfers pressurized hydraulic fluid between hydraulic components |
| Installation | Direct OEM replacement |
| Brand | Komatsu |
Note: Komatsu has not publicly published additional OEM specifications such as hose construction, bend radius, fitting thread specifications, or weight for the 02766-004A6 Hydraulic Hose Assembly. The dimensional specifications above are consistent with authorized Komatsu parts distributor listings.
Application Information
The KOMATSU 02766-004A6 Hydraulic Hose Assembly is an essential component of the machine’s hydraulic and brake hydraulic systems. It is designed to safely convey pressurized hydraulic fluid while maintaining system pressure and preventing leakage. In several applications, this hose is used within the brake piping and accumulator piping circuit, where reliable hydraulic performance is critical for safe machine operation.
Manufactured to Komatsu OEM standards, the hose assembly is designed to withstand:
- High hydraulic operating pressures
- Continuous pressure pulsation
- Heavy vibration and shock loads
- Abrasion and harsh operating environments
- Extreme temperature variations
- Construction, mining, quarrying, and heavy-haul applications
Regular inspection and timely replacement of worn hydraulic hoses help maintain system efficiency, improve safety, and reduce unexpected downtime. Genuine Komatsu hoses are engineered to meet machine-specific performance requirements.
Compatible Komatsu Equipment
The KOMATSU 02766-004A6 Hydraulic Hose Assembly is compatible with a variety of Komatsu equipment, including:
Articulated Dump Trucks
- HM300-3
- HM300-5
- HM350-2
- HM350-2R
- HM400-2
- HM400-2R
- HM400-3
- HM400-3R
- HM400-3M0
- HM400-5
Rigid Dump Trucks
- HD325-7
- HD325-7R
- HD405-7
- HD405-7R
- HD465-7R
- HD465-7E1
- HD605-7R
- HD605-7E0
- HD605-7E1
- HD1500-7
Wheel Loaders
- WA600-6
- WA600-8
- WA320
- WA320-5
- WA430-6
Compatibility varies depending on the machine serial number, production configuration, and hydraulic circuit arrangement. Always verify compatibility before ordering using the machine’s Product Identification Number (PIN), Machine Serial Number, and existing hose part number.
Additional Compatibility Information
The 02766-004A6 Hydraulic Hose Assembly is a configuration-specific hydraulic component. Before installation, verify:
- Machine model
- Machine Serial Number
- Product Identification Number (PIN)
- Hydraulic circuit configuration
- Brake or accumulator piping arrangement
- Existing hose part number
- Hose routing and fitting orientation
Any modifications to the original machine configuration may affect compatibility. Verification through the official Komatsu Parts Catalog or an authorized Komatsu dealer is recommended before installation.
Benefits
Installing a genuine KOMATSU 02766-004A6 Hydraulic Hose Assembly helps:
- Restore proper hydraulic fluid flow
- Maintain hydraulic and brake system pressure
- Prevent hydraulic fluid leaks
- Improve machine reliability and operator safety
- Reduce unexpected hydraulic failures
- Minimize maintenance-related downtime
- Preserve original OEM hydraulic system performance
- Deliver OEM-quality fit, durability, and long-lasting performance in demanding heavy-duty applications.
- Brand New / Genuine Surplus Komatsu Part
- Professionally inspected before dispatch
- Ready for immediate shipment (subject to stock availability)
Worldwide Shipping
We maintain ready-to-ship inventory for many Caterpillar parts. Orders are dispatched the same business day upon receipt of bank payment, with fast worldwide delivery available via DHL and FedEx.
Disclaimer: We are an independent supplier of genuine surplus Komatsu parts. We are not an authorized Komatsu distributor or dealer. All trademarks, product names, and model numbers are used solely for identification purposes.