If your heavy-duty articulated dump truck is experiencing slow hydraulic response or unusual noise in the main system, replacing the core pump is non-negotiable for site safety. We provide the 708-1W-02260 and 708-1W-00450 (also searched as 7081W02260 or 7081W00450) high-pressure hydraulic main pumps specifically engineered for high-tonnage hauling equipment.
This unit is the primary power source for the steering and hoisting functions of HM400-3, HM400-3R, and HM400-3MO models. Whether you are performing a scheduled overhaul or urgent field repair, our OEM-standard replacements ensure your machine returns to full factory-spec cycle times immediately.
| Field Name | Details |
|---|---|
| Model NO. | HM400-3, HM400-3R, HM400-3MO Articulated Dump Truck |
| Part Number | 708-1W-02260 / 708-1W-00450 (7081W02260 / 7081W00450) |
| Product Name | Main Hydraulic Pump Assembly |
| Type | Variable Displacement Piston Pump |
| Condition | Brand New, OEM Standard Replacement |
| Application | Hydraulic system overhaul, steering and hoist control maintenance |
| MOQ | 1 Piece |
| Stock Status | In Stock / Fast Dispatch Available |
| Payment Terms | T/T, Western Union, MoneyGram |
| Delivery Methods | Express: DHL, Fedex, EMS, UPS / Air Freight / Sea Freight |
| Packaging | Industrial Export Wooden Case / Anti-corrosion Packing |
Purchasing heavy equipment parts involves balancing cost with reliability. Below is a comparison of why our sourcing strategy beats standard aftermarket alternatives.
| Critical Sourcing Points | Our OEM-Standard Replacement | Common Low-Cost Aftermarket |
|---|---|---|
| Internal Structure | OEM-standard tri-metal structure for durability | Single metal alloy (higher wear rate) |
| Pressure Tolerance | Tested to 350+ Bar for extreme lifting loads | Unverified pressure limits |
| Installation Fit | 100 percent Bolt-on ready, precise shaft splines | May require housing modifications |
| Service Life | Designed for 8,000+ operating hours | Unpredictable failure after 1,000 hours |
| Sealing Integrity | High-temp FKM seal kits included | Standard nitrile (prone to leaks) |
| Technical Support | Professional fleet inspection advice provided | Sales only, no technical backup |
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Click to WhatsApp: +8613532379052 Email: [email protected] Follow Our Facebook for Parts UpdatesA: This is often caused by internal wear in the 708-1W-02260 pump pistons, leading to pressure drops. If the hydraulic oil contains metal particles, the pump assembly must be replaced to prevent damage to the steering cylinders.
A: Yes, 708-1W-02260 is the updated, interchangeable version for the HM400-3 series. It offers improved internal lubrication channels compared to older 00450 units.
A: Our pumps use an OEM-standard tri-metal structure and are trusted by repair shops and equipment fleets globally for their high volumetric efficiency and consistent flow rate under load.
A: We maintain these pumps in stock. Express shipping to North America or Europe typically takes 3-7 business days via DHL or Fedex.
Not sure how this issue affects your equipment? Our team helps operators and maintenance managers ensure zero downtime.
Identify potential risks during maintenance checks
Recommend suitable replacement parts if needed based on serial numbers
Support both inspection advice and parts supply
We specialize in complete engine assemblies and spare parts for Cummins, Komatsu, Caterpillar, Isuzu, Kubota, Yanmar, and Weichai. Our core inventory includes high-precision components designed for long-term durability in mining and construction environments.
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