Description
Detail Information
| Origin: China Remanufactured | Warranty: 3-6 months according to product details; we do not provide warranty for original and used products. | Minimum Order Quantity: 1 piece |
| Monthly Output: 300 pieces | Packaging Details: Wooden case or customized upon request | Payment Terms: L/C, T/T, XT, PayPal, Western Union |
| Delivery Time: 5-8 working days (depending on order situation) | Shipping Method: Sea freight, air freight, or via DHL/FEDEX/TNT/EMS | Guarantee: We will inspect the product and send detailed pictures to the buyer for confirmation. |
1. Key Features & Benefits
Professionally remanufactured to Komatsu OEM standards – This fan pump assembly (OEM 708-1W-00670 / 708-1W-00690) has been fully disassembled, cleaned, crack-inspected, and rebuilt to meet Komatsu‘s original equipment specifications. Every critical component – cylinder block, piston assemblies, valve plate, bearings, and seals – is either renewed or replaced with new, high-quality parts. The result is restored hydraulic performance at a fraction of the cost of a new genuine pump.
Direct replacement for Komatsu D375A-6 / D375A-6R bulldozers – Specifically engineered for Komatsu D375A-6, D375A-6R, and related large bulldozer models. This pump assembly is a critical component of the dozer’s hydraulic cooling system, driving the engine cooling fan to maintain optimal operating temperatures during heavy dozing, ripping, and earthmoving operations. Serial number applicability from SN: 60001-UP.
High-capacity fan drive for 70-ton class dozers – The D375A-6 is a 70+ ton bulldozer powered by the Komatsu SAA6D170E-5 engine delivering 455 kW (610 HP) at 1,800 rpm. The hydraulic system features a piston-type pump with a rated flow of 366 L/min at额定转速 and a rated working pressure of 27.5 MPa (≈3,990 psi) . This fan pump assembly ensures the engine cooling fan operates at the required speed to dissipate heat from the engine, transmission, and hydraulic system during the most demanding applications.
Robust construction for extreme conditions – Built with high-strength materials and precision-machined components to withstand the extreme shock loads, vibration, and abrasive dust conditions typical of large-scale mining, quarrying, and heavy earthmoving environments. The pump assembly weighs approximately 80 kg, reflecting its heavy-duty construction.
Restored cooling system performance – After remanufacturing, this pump delivers the full rated flow and pressure your D375A-6 was designed for. Your bulldozer regains consistent engine cooling performance, preventing overheating and ensuring reliable operation during long shifts in the toughest conditions.
Direct bolt-on replacement – Mounting flange, drive shaft spline, and hydraulic port configurations are restored to original Komatsu specifications. No modifications, no adapters – your mechanic unbolts the old pump and bolts this one in.
Pre-shipment visual verification – Before packing, we send you detailed high-resolution photographs of the actual unit (mounting flange, splines, port threads, castings, overall condition). You approve shipment – we never ship blind.
Fast delivery – 5–8 working days lead time from our Guangzhou warehouse. Monthly supply capacity of 300 units, available for single-piece or bulk orders.
2. Applications
The remanufactured Komatsu 708-1W-00670 fan pump assembly is the power source for the engine cooling fan on D375A-6 and D375A-6R bulldozers used in the most demanding earthmoving operations:
Large-scale open-pit mining – D375A-6 dozers are the backbone of overburden removal, coal stockpiling, and road maintenance in copper, gold, iron ore, and coal mining operations. The fan pump‘s 366 L/min flow capacity ensures consistent engine cooling during 20+ hour shifts in remote mine sites where overheating can cause catastrophic engine failure. The heavy-duty construction withstands the extreme shock loads and abrasive dust of hard rock mining environments.
Quarrying & aggregates – Stockpile management, bench preparation, and material handling in granite, limestone, and basalt quarries. The pump’s robust construction and contamination-resistant design withstand abrasive dust conditions, while the consistent flow ensures the cooling fan maintains optimal engine temperatures even under continuous heavy loads.
Heavy construction & infrastructure – Highway construction, dam building, airport runway grading, and large-scale earthmoving projects. The pump’s high flow capacity (366 L/min) and pressure capability (27.5 MPa) deliver reliable cooling system performance hour after hour, preventing engine derating due to high temperatures during long shifts.
Land clearing & forestry – Clearing vegetation, pushing fallen timber, and firebreak construction. The pump’s consistent output ensures the cooling fan responds to varying engine loads, maintaining stable operating temperatures in demanding terrain conditions.
Equipment rental fleet – D375A-6 dozers are high-value rental assets. A remanufactured fan pump offers predictable performance at a cost that makes proactive replacement financially sensible – avoiding costly mid-rental failures, towing bills, and customer complaints.
3. Why Choose Hongtengda Parts
Since 2001, Hongtengda Parts has been a leading distributor of earthmoving machinery parts, serving customers across Southeast Asia, the Middle East, Africa, the Americas, and Oceania. Headquartered in Guangzhou‘s Zhucun parts hub – one of Asia’s major distribution centres for construction machinery parts – we combine deep inventory, cross-brand knowledge, and reliable global shipping to keep your machines running.
What you get when you order from us:
25 years of heavy equipment parts experience – Since 2001, we have been the go-to supplier for repair shops, fleet owners, and wholesalers worldwide. We know the Komatsu D375 platform inside out – the different engine variants (SAA6D170E-5), hydraulic systems, and production changes over the years.
Remanufacturing that delivers performance comparable to new – Our remanufacturing process follows strict quality standards to ensure same-as-new quality and performance. Each pump is rebuilt using precision engineering principles, with all critical wear components replaced – not just patched or resealed.
90% of our catalog in stock – Your fan pump sits in our Guangzhou warehouse, not in a supplier’s backlog. From hydraulic pumps to undercarriage kits, most orders are dispatched within 24 hours on fumigated, export-ready pallets.
One supplier, all parts – Got a serial number, a model code, or just a photo of a worn-out part? Our specialists cross-reference across Komatsu, Caterpillar, Hitachi, and 15+ brands to find what you need. OEM, OEM-quality, or hard-to-find older model parts – we handle the search so you don‘t have to.
Own maintenance factory and technical team – Equipped with our own maintenance factory and a team of experienced technicians, we provide global customers with one-stop solutions covering parts supply, technical support, and equipment maintenance.
Pre-shipment verification – We never ship a pump blind. You receive clear photos of the actual unit before packing – you approve, we ship. When downtime costs money, we move at your speed.
Cost-effective alternative to new OEM – Remanufactured pumps deliver the same performance as new Komatsu pumps while priced at a fraction of the cost. This makes proactive replacement financially accessible for fleet owners and repair shops alike.
After-sales support that works – Three senior technicians review your case together. If it‘s a quality issue – we cover it. If not – we still guide you through the fix. We don’t just sell parts; we keep you running.
Send us your Komatsu D375A-6 machine serial number and a photo of the old pump – we will confirm the exact model and quote you within 24 hours.









