{"id":2493,"date":"2026-06-15T06:34:34","date_gmt":"2026-06-15T06:34:34","guid":{"rendered":"https:\/\/www.hongtengdaparts.com\/?post_type=product&#038;p=2493"},"modified":"2026-06-15T06:35:01","modified_gmt":"2026-06-15T06:35:01","slug":"hitachi-zax450-6-hydraulic-main-pump-china-remanufactured-9184686","status":"publish","type":"product","link":"https:\/\/www.hongtengdaparts.com\/it\/product\/hitachi-zax450-6-hydraulic-main-pump-china-remanufactured-9184686\/","title":{"rendered":"Pompa idraulica principale Hitachi ZAX450-6 \u2013 Ricondizionata in Cina (9184686)"},"content":{"rendered":"<h3>Informazioni dettagliate<\/h3>\n<table border=\"1\" cellpadding=\"5\">\n<tbody>\n<tr>\n<th>Parametro<\/th>\n<th>Valore<\/th>\n<th>Nota<\/th>\n<\/tr>\n<tr>\n<td><b>Origine<\/b><\/td>\n<td>Cina<\/td>\n<td>Ricostruita<\/td>\n<\/tr>\n<tr>\n<td><b>Condition<\/b><\/td>\n<td>Ricondizionato in Cina<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td><b>Garanzia<\/b><\/td>\n<td>3-6 mesi secondo i dettagli del prodotto; non forniamo garanzia per prodotti originali e usati.<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td><b>Quantit\u00e0 minima d'ordine<\/b><\/td>\n<td>1 pezzo<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td><b>Monthly Output<\/b><\/td>\n<td>300 pezzi\/mese<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td><b>Dettagli sull'imballaggio<\/b><\/td>\n<td>Imballaggio in cassa di legno o personalizzato<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td><b>Termini di pagamento<\/b><\/td>\n<td>T\/T, XT, PayPal, Western Union<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td><b>Tempi di consegna<\/b><\/td>\n<td>5-8 giorni lavorativi (a seconda della situazione dell'ordine)<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td><b>Metodo di Spedizione<\/b><\/td>\n<td>Trasporto marittimo, aereo o tramite DHL\/FEDEX\/TNT\/EMS<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<tr>\n<td><b>Guarantee Measures<\/b><\/td>\n<td>Ispezioniamo il prodotto e inviamo foto dettagliate all'acquirente per conferma.<\/td>\n<td>\u2013<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3><span class=\"\">1. Caratteristiche e vantaggi principali<\/span><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Professionally remanufactured to OEM specifications<\/span><\/strong><span class=\"\">\u00a0\u2013 This main hydraulic pump (OEM 9184686) has been fully disassembled, cleaned, inspected, and rebuilt in our ISO\u2011certified facility in China. Worn components \u2013 cylinder block, piston assemblies, valve plate, swashplate, bearings, seals \u2013 are replaced with new, high\u2011quality parts. The result is a pump that delivers performance and reliability comparable to a new unit at a fraction of the cost.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Original Hitachi specification for ZAX450\u20116<\/span><\/strong><span class=\"\">\u00a0\u2013 The 9184686 is the direct replacement for the 40\u2011ton class ZAX450\u20116, ZX450, and related models. It restores the factory hydraulic power, flow, and pressure characteristics that your machine was designed to deliver.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Tandem variable displacement axial piston design<\/span><\/strong><span class=\"\">\u00a0\u2013 Two independent pumping sections in one housing power the travel, swing, boom, arm, and bucket circuits simultaneously. This design allows smooth, coordinated operation even under heavy load \u2013 no power loss when you need to combine functions.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Restored flow and pressure<\/span><\/strong><span class=\"\">\u00a0\u2013 After remanufacturing, this pump delivers rated working pressure of approximately 34\u201335 MPa (\u22484,900\u20135,100 psi) and a total flow of over 400 L\/min (two main sections plus integral gear pump). Your ZAX450\u20116 regains full digging force, fast cycle times, and responsive travel.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Sistema di controllo potenza integrato (load\u2011sensing)<\/span><\/strong><span class=\"\">\u00a0\u2013 The rebuilt pump retains the factory power control system, which matches pump output to actual working load. This reduces fuel consumption, prevents engine stall, and extends the life of both the pump and the hydraulic system. The integral pilot gear pump is also rebuilt to supply the control circuit.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Alternativa economica al nuovo originale<\/span><\/strong><span class=\"\">\u00a0\u2013 A new genuine Hitachi main pump for a 40\u2011ton excavator is a significant investment. Our remanufactured 9184686 gives you the same fit, form, and function at a much lower price, without sacrificing reliability. Each pump is tested on a hydraulic test stand before dispatch.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Sostituzione diretta a bulloni<\/span><\/strong><span class=\"\">\u00a0\u2013 Flangia di montaggio, scanalatura dell'albero di trasmissione e configurazioni delle porte idrauliche sono ripristinate secondo le specifiche originali Hitachi. Nessuna modifica, nessun adattatore, nessuna lavorazione \u2013 il vostro meccanico svita la vecchia pompa e monta questa.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Verifica visiva pre-spedizione<\/span><\/strong><span class=\"\">\u00a0\u2013 Prima dell'imballaggio, vi inviamo fotografie dettagliate ad alta risoluzione dell'unit\u00e0 ricostruita effettiva (flangia di montaggio, scanalature, filettature delle porte, condizioni generali). Voi approvate la spedizione \u2013 non spediamo mai alla cieca.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Consegna veloce<\/span><\/strong><span class=\"\">\u00a0\u2013 Tempi di consegna di 5\u20138 giorni lavorativi dal nostro magazzino di Guangzhou. Capacit\u00e0 di fornitura mensile di 300 unit\u00e0, disponibile per ordini singoli o all'ingrosso.<\/span><\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"\">2. Applicazioni<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The remanufactured Hitachi 9184686 main pump is ideal for ZAX450\u20116 and 40\u2011ton class excavators used in high\u2011production environments:<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Large\u2011scale mining &amp; quarrying<\/span><\/strong><span class=\"\">\u00a0\u2013 40\u2011ton excavators are the backbone of many open\u2011pit mines and aggregate quarries. A pump with restored volumetric efficiency delivers full power all day \u2013 faster loading cycles, better fuel economy, and no mid\u2011shift power fade.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Heavy civil construction<\/span><\/strong><span class=\"\">\u00a0\u2013 Dam building, highway excavation, tunnel portal work, and large\u2011scale earthmoving demand consistent hydraulic power. A remanufactured pump gives you predictable performance at a cost that makes sense for older machines.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Demolition &amp; scrap recycling<\/span><\/strong><span class=\"\">\u00a0\u2013 Shock loads and vibration accelerate pump wear. Our remanufacturing process replaces all bearings, seals, and wear plates, restoring the pump\u2018s ability to survive the most punishing conditions.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Material handling &amp; port operations<\/span><\/strong><span class=\"\">\u00a0\u2013 Loading logs, scrap metal, or aggregates requires smooth, responsive hydraulic control. A properly remanufactured pump with factory\u2011spec tolerances provides that control without the expense of a new unit.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Flotte di noleggio attrezzature<\/span><\/strong><span class=\"\">\u00a0\u2013 Keeping 40\u2011ton excavators in rental service means minimising downtime. A remanufactured pump offers a predictable service life (3,000\u20135,000 hours) and allows you to budget for replacements without the shock of a new genuine price tag.<\/span><\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"\">3. Why Choose <a href=\"https:\/\/www.hongtengdaparts.com\/it\/contattateci\/\">Parti di Hongtengda<\/a> \u2013 Remanufacturing That Delivers<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">At Hongtengda Parts, we have been remanufacturing hydraulic pumps for excavators since 2001. We know that a main pump failure on a ZAX450\u20116 stops production completely. Our remanufacturing process is not a \u201cclean and reseal\u201d \u2013 it is a factory\u2011grade restoration.<\/span><\/p>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Il nostro processo di ricostruzione in 6 fasi:<\/span><\/strong><\/p>\n<ol start=\"1\">\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Smontaggio completo<\/span><\/strong><span class=\"\">\u00a0\u2013 La pompa viene smontata nei singoli componenti: blocco cilindri, gruppi pistoni, piatto valvole, piatto oscillante, cuscinetti, albero, alloggiamento e valvole di controllo.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Pulizia e controllo cricche<\/span><\/strong><span class=\"\">\u00a0\u2013 All parts are thoroughly cleaned and inspected for cracks or damage using dye penetrant testing on critical castings. Irreparable parts are scrapped.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Sostituzione dei componenti d\u2019usura<\/span><\/strong><span class=\"\">\u00a0\u2013 All seals, O\u2011rings, bearings, and gaskets are replaced with new, high\u2011quality parts. The cylinder block and valve plate are re\u2011ground to restore flatness. Piston assemblies are matched as a set and replaced if worn. The swashplate surface is reconditioned or replaced.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Rimontaggio di precisione<\/span><\/strong><span class=\"\">\u00a0\u2013 I componenti vengono riassemblati utilizzando le specifiche di coppia OEM. Le tolleranze dei giochi sull'interfaccia blocco cilindri\/piatto valvole vengono verificate utilizzando comparatori a quadrante.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Convalida su banco prova idraulico<\/span><\/strong><span class=\"\">\u00a0\u2013 The completed pump is mounted to a test stand and run through its full pressure and flow range. We verify operating pressure (up to 35 MPa), flow rate (400+ L\/min total), case drain leakage (must be within spec), and power control response. A test report is available upon request.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Controllo qualit\u00e0 finale e imballaggio<\/span><\/strong><span class=\"\">\u00a0\u2013 La pompa viene verniciata, dotata di tappi protettivi per le porte e imballata in una cassa di legno pesante per l'esportazione.<\/span><\/p>\n<\/li>\n<\/ol>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Perch\u00e9 la nostra pompa ricostruita supera le unit\u00e0 \u201cricondizionate\u201d pi\u00f9 economiche:<\/span><\/strong><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Nuovi cuscinetti e guarnizioni<\/span><\/strong><span class=\"\">\u00a0\u2013 Molti ricondizionatori economici riutilizzano i vecchi cuscinetti per risparmiare sui costi. Noi no. Tutti i componenti rotanti ricevono nuovi cuscinetti \u2013 il singolo fattore pi\u00f9 importante per la longevit\u00e0 della pompa.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Superfici di usura rettificate di precisione<\/span><\/strong><span class=\"\">\u00a0\u2013 Il blocco cilindri e il piatto valvole vengono rettificati nuovamente per ripristinare la planarit\u00e0. Una superficie lappata \u00e8 essenziale per basse perdite interne. Senza di essa, la pompa si surriscalder\u00e0 e perder\u00e0 potenza nel giro di poche settimane.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Rapporto di prova completo<\/span><\/strong><span class=\"\">\u00a0\u2013 Su richiesta, forniamo un rapporto di prova che mostra pressione, portata, drenaggio della cassa e misurazioni della temperatura. Vedete i dati prima di acquistare.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Cosa non stai acquistando:<\/span><\/strong><span class=\"\">\u00a0A used pump with new paint and a set of O\u2011rings. Our remanufactured pump is restored to meet or exceed OEM performance standards \u2013 at a price that makes sense for your older ZAX450\u20116.<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Oltre 25 anni di esperienza nel settore<\/span><\/strong><span class=\"\">\u00a0\u2013 Fondata nel 2001, abbiamo ricostruito migliaia di pompe per Hitachi, Caterpillar, Komatsu, Kobelco, Volvo, SANY e molte altre marche.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Disponibilit\u00e0 a magazzino 90%<\/span><\/strong><span class=\"\">\u00a0\u2013 9184686 pumps are in stock as remanufactured units, ready for dispatch from our Guangzhou warehouse.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Spedizione in 24 ore<\/span><\/strong><span class=\"\">\u00a0\u2013 Dal nostro hub di Guangzhou al vostro spedizioniere in 1 giorno; ordini internazionali spediti entro 24 ore.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Verifica visiva pre-spedizione<\/span><\/strong><span class=\"\">\u00a0\u2013 Non spediamo mai una pompa alla cieca. Ricevete foto chiare dell'unit\u00e0 effettiva prima dell'imballaggio \u2013 voi approvate, noi spediamo.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Assistenza tecnica<\/span><\/strong><span class=\"\">\u00a0\u2013 Send us your ZAX450\u20116 machine serial number and a photo of the old pump. We confirm compatibility and provide installation guidance within 2 hours.<\/span><\/p>\n<\/li>\n<\/ul>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Send us your Hitachi ZAX450\u20116 machine serial number and a photo of the old pump \u2013 we will verify fitment, provide a quote, and document our pre\u2011shipment inspection within 24 hours.<\/span><\/strong><\/p>\n<hr \/>\n<blockquote>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Critical installation tip for the 9184686 remanufactured pump:<\/span><\/strong><br \/>\n<span class=\"\">\u2013 I\u00a0<\/span><strong><span class=\"\">linea di drenaggio della cassa<\/span><\/strong><span class=\"\">\u00a0deve essere libero e senza restrizioni. Un drenaggio della cassa ostruito far\u00e0 saltare la tenuta dell'albero all'istante al primo avviamento.<\/span><br \/>\n<span class=\"\">\u2013 Prima di installare la pompa ricostruita, lavare l'intero sistema idraulico e sostituire tutti i filtri. I contaminanti della pompa guasta distruggeranno un'unit\u00e0 ricostruita tanto rapidamente quanto una nuova.<\/span><br \/>\n<span class=\"\">\u2013 Utilizzare O-ring e rondelle di tenuta nuovi su ogni collegamento idraulico. Guarnizioni riutilizzate garantiscono perdite.<\/span><br \/>\n<span class=\"\">\u2013 Dopo l'installazione, far girare il motore al minimo per 2-3 minuti con la pompa in folle, quindi azionare lentamente ogni funzione (braccio principale, braccio secondario, benna, rotazione, traslazione) per spurgare l'aria dal sistema.<\/span><br \/>\n<span class=\"\">\u2013 Controllare l'allineamento della pompa con l'alloggiamento del volano del motore \u2013 il disallineamento causa guasti prematuri ai cuscinetti e perdite dalla tenuta dell'albero.<\/span><\/p>\n<\/blockquote>\n<blockquote>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Nota sulla garanzia:<\/span><\/strong><span class=\"\">\u00a0Il periodo di garanzia \u00e8 da 3 a 6 mesi, a seconda dei dettagli del prodotto.\u00a0<\/span><strong><span class=\"\">Non forniamo servizio di garanzia per parti usate originali o ricostruite.<\/span><\/strong><span class=\"\">\u00a0Il nostro valore \u00e8 fornito in anticipo: ricostruzione accurata, test approfonditi e verifica visiva pre-spedizione. Per i clienti che richiedono un'opzione coperta da garanzia, possiamo quotare nuove unit\u00e0 aftermarket \u2013 chiedete al nostro team vendite.<\/span><\/p>\n<\/blockquote>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">The main hydraulic pump is the heart of your ZAX450\u20116\u2019s hydraulic system. Our remanufactured 9184686 gives you restored 40\u2011ton class performance at a cost that keeps your budget intact \u2013 not with shortcuts, but with a genuine factory\u2011grade restoration. Send us your ZAX450\u20116 serial number \u2013 we will confirm compatibility and provide a quote within 24 hours.<\/span><\/strong><\/p>","protected":false},"excerpt":{"rendered":"<table border=\"1\" cellpadding=\"5\">\n<tbody>\n<tr>\n<th>Parametro<\/th>\n<th>Valore<\/th>\n<\/tr>\n<tr>\n<td><b>Modello applicabile<\/b><\/td>\n<td>ZAX450-6 Hydraulic Pump<\/td>\n<\/tr>\n<tr>\n<td><b>Nome del prodotto<\/b><\/td>\n<td>Pompa idraulica Hitachi<\/td>\n<\/tr>\n<tr>\n<td><b>Numero Parte<\/b><\/td>\n<td>9184686<\/td>\n<\/tr>\n<tr>\n<td><b>Product Type<\/b><\/td>\n<td>Pompa Idraulica<\/td>\n<\/tr>\n<tr>\n<td><b>Categoria<\/b><\/td>\n<td>Sistema idraulico<\/td>\n<\/tr>\n<tr>\n<td><b>Marca<\/b><\/td>\n<td>HTD<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"featured_media":2496,"template":"","meta":[],"product_brand":[],"product_cat":[68],"product_tag":[],"class_list":["post-2493","product","type-product","status-publish","has-post-thumbnail","product_cat-hitachi-hydraulic-pump","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.hongtengdaparts.com\/it\/wp-json\/wp\/v2\/product\/2493","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hongtengdaparts.com\/it\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.hongtengdaparts.com\/it\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hongtengdaparts.com\/it\/wp-json\/wp\/v2\/media\/2496"}],"wp:attachment":[{"href":"https:\/\/www.hongtengdaparts.com\/it\/wp-json\/wp\/v2\/media?parent=2493"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.hongtengdaparts.com\/it\/wp-json\/wp\/v2\/product_brand?post=2493"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.hongtengdaparts.com\/it\/wp-json\/wp\/v2\/product_cat?post=2493"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.hongtengdaparts.com\/it\/wp-json\/wp\/v2\/product_tag?post=2493"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}