Pompe hydraulique principale Hitachi ZAX60 – Reconditionnée en Chine (AP2D25 / 4663300)

Description

Informations détaillées

1. Principales caractéristiques et avantages

• Professionally remanufactured to OEM specifications – This AP2D25 series hydraulic main pump (OEM 4663300) has been fully disassembled, cleaned, inspected, and rebuilt in our ISO‑certified facility in China. Worn components (cylinder block, piston assemblies, valve plate, swashplate, bearings, seals) are replaced with new, high‑quality parts. The result is a pump that delivers performance and reliability comparable to a new unit at a fraction of the cost.

• Original Hitachi AP2D25 tandem axial piston design – The AP2D25 is a variable displacement double (tandem) axial piston pump, combining two independent pumping units in one housing. This design powers the travel, swing, boom, arm, and bucket circuits simultaneously, providing smooth, coordinated operation for your ZAX60 (ZX60) excavator.

• Restored hydraulic power – After remanufacturing, this pump delivers rated working pressure up to 24.5 MPa (≈3,550 psi) and intermittent pressure up to 29.4 MPa (≈4,350 psi). Displacement remains 2 × 25 cm³/rev, restoring the original flow and torque characteristics of your machine.

• Système de contrôle de puissance intégré (à détection de charge) – La pompe reconstruite conserve le système de contrôle de puissance d’usine, qui adapte le débit de la pompe à la charge de travail réelle. Cela réduit la consommation de carburant, évite le calage du moteur et prolonge la durée de vie de la pompe et du système hydraulique. Une pompe à engrenages pilote intégrée est également reconstruite pour alimenter le circuit de commande.

• Remplacement direct par boulonnage – The pump’s mounting flange, drive shaft spline, and hydraulic port configurations are restored to original Hitachi specifications. No modifications, no adapters, no fabrication – your mechanic unbolts the old pump and bolts this one in.

• Alternative économique au neuf d’origine – A new genuine Hitachi main pump can cost thousands of dollars. Our remanufactured AP2D25 gives you the same fit, form, and function at a significantly lower price, without sacrificing reliability. Each pump is tested on a hydraulic test stand before dispatch.

• Pre‑shipment visual verification – Avant l’emballage, nous vous envoyons des photographies haute résolution détaillées de l’unité reconditionnée réelle (bride de montage, cannelures, filetages des orifices, état général). Vous approuvez l’expédition – nous n’expédions jamais à l’aveugle.

• Livraison rapide – Délai de livraison de 5 à 8 jours ouvrables depuis notre entrepôt de Guangzhou. Capacité d’approvisionnement mensuelle de 300 unités, disponible pour les commandes à l’unité ou en gros.

2. Applications

The remanufactured AP2D25 hydraulic main pump is ideal for Hitachi ZAX60 (ZX60) excavators used in a variety of demanding job sites:

• Construction urbaine et services publics – Sidewalk repairs, water and gas line trenching, fibre‑optic cable installation, and small‑scale demolition. The rebuilt load‑sensing control adjusts flow to match light‑duty cycles, saving fuel while maintaining precise control.

• Aménagement paysager résidentiel et excavation de piscines – Pool digs, retaining walls, grading, and drainage work. The tandem pump design allows independent flow to travel and attachment circuits, enabling simultaneous boom and bucket movements without power loss.

• Agriculture et gestion des terres – Drainage ditch cleaning, irrigation trenching, pond maintenance, and fence post hole digging. The restored high‑pressure output provides the tractive force needed for pulling through soft, muddy fields.

• Soutien minier et entretien de carrières – Site cleanup, drainage maintenance, equipment pad grading, and light aggregate handling. Abrasive dust and sharp rock fragments place heavy demands on pump seals and wear components; our remanufacturing process replaces all critical wear parts to withstand these harsh conditions.

• Entretien des parcs de location d'équipements – Midi excavators are frequent rental items. A failed main pump stops production. A remanufactured pump offers predictable service life (3,000–5,000 hours) at a cost that makes proactive replacement financially sensible, avoiding costly mid‑rental failures and customer complaints.

• – Travaux forestiers et dégagement de végétation – Steep slopes, fallen timber, hidden obstacles. The rebuilt power control system prevents engine stall when sudden load spikes occur, maintaining consistent hydraulic power for attachment operation.

• Entretien des routes et des ponts – Shoulder repair, guardrail replacement, drainage cleaning, and slope stabilisation. The restored tandem pump allows the operator to reposition the machine while operating the attachment – critical for roadside work with short work windows.

3. Why Choose Hongtengda Parts – Remanufacturing That You Can Trust

At Hongtengda Parts, we have been supplying and remanufacturing hydraulic pumps for excavators since 2001. We know that a main pump failure on your ZAX60 is a production‑stopping event. Our remanufacturing process is not a “clean and reseal” – it is a factory‑grade restoration.

Notre processus de reconditionnement en 6 étapes :

1. – L'unité est démontée en composants individuels : cages de roulement, porte-satellites, couronnes, arbre central, bloc piston, barillet de cylindre, plaque de distribution, section moteur hydraulique et pack de frein. – The pump is stripped down to individual components (cylinder block, piston assemblies, valve plate, swashplate, bearings, shaft, housing).

2. Nettoyage et inspection des fissures – All parts are cleaned and inspected for cracks or damage. Irreparable castings are scrapped.

3. – Les éléments suivants sont toujours remplacés par des neufs, jamais réutilisés : tous les joints, tous les joints toriques, tous les joints d'étanchéité, tous les roulements à rouleaux, l'ensemble piston/patin complet, la plaque d'usure du barillet de cylindre et la plaque de distribution. – The following are always replaced with new: all seals, O‑rings, bearings, and gaskets. The cylinder block and valve plate are re‑ground or replaced. Piston assemblies are matched and replaced as a set. The swashplate surface is reconditioned or replaced.

4. Precision reassembly – Components are reassembled using OEM torque specifications. Clearance tolerances on the cylinder block / valve plate interface are verified.

5. Validation sur banc d’essai hydraulique – The completed pump is mounted to a test stand and run through its full pressure and flow range. We verify operating pressure (up to 24.5 MPa), flow rate (approx. 110‑120 L/min), case drain leakage (must be within spec), and power control response.

6. Contrôle qualité final et emballage – The pump is painted, fitted with port protection caps, and packed in a heavy‑duty wooden case.

Pourquoi notre pompe reconditionnée surpasse les unités “ reconstruites ” moins chères :

• Roulements et joints neufs – Many budget rebuilders reuse old bearings. We do not. All rotating components get new bearings.

• Surfaces d’usure rectifiées avec précision – The cylinder block and valve plate are re‑ground to restore flatness. A lapped surface is essential for low internal leakage.

• Full test report available – Upon request, we provide a test report showing pressure, flow, and case drain measurements.

Ce que vous n’achetez pas : A used pump with new paint and a set of O‑rings. Our remanufactured pump is restored to meet or exceed OEM performance standards – at a price that makes sense for your older ZAX60.

• 25+ years of industry experience – Fondée en 2001, nous avons reconditionné des milliers de pompes pour Hitachi, Caterpillar, Komatsu, Kobelco, Volvo, SANY et de nombreuses autres marques.

• 90% disponibilité en stock – AP2D25 series pumps are in stock as remanufactured units, ready for dispatch from our Guangzhou warehouse.

• Expédition sous 24 heures – De notre hub de Guangzhou à votre transitaire en 1 jour ; les commandes internationales sont expédiées sous 24 heures.

• Pre‑shipment visual verification – Nous n’expédions jamais une pompe à l’aveugle. Vous recevez des photos claires de l’unité réelle avant l’emballage – vous approuvez, nous expédions.

• Support technique – Send us your ZAX60 machine serial number and a photo of the old pump. We confirm compatibility and provide installation guidance within 2 hours.

Send us your Hitachi ZAX60 machine serial number and a photo of the old pump – we will verify fitment, provide a quote, and document our pre‑shipment inspection within 24 hours.