{"id":4847,"date":"2026-10-27T06:44:35","date_gmt":"2026-10-27T06:44:35","guid":{"rendered":"https:\/\/www.hongtengdaparts.com\/product\/volvo-11190766-main-pump-a25d-hauler\/"},"modified":"2026-10-27T06:44:35","modified_gmt":"2026-10-27T06:44:35","slug":"volvo-11190766-main-pump-a25d-hauler","status":"publish","type":"product","link":"https:\/\/www.hongtengdaparts.com\/de\/product\/volvo-11190766-main-pump-a25d-hauler\/","title":{"rendered":"11190766 Haupthydraulikpumpe f\u00fcr Volvo A25D A35D A40D Muldenkipper"},"content":{"rendered":"<p>A hauler&#8217;s main pump does something an excavator pump never has to: it has to lift a full body while the machine is still moving, then tip, then hold the body up while it is loaded from above. The duty is repetitive, high pressure, and hot, and the pump is the component that decides whether a truck keeps its cycle time.<\/p>\n<h2>Anwendbarkeit und Nachweis<\/h2>\n<p>Volvo A25D, A25E, A30D, A35D, A35E, A35E FS, A35F, A35F FS, A35F\/G, A40D, A40E, A40E FS, A40F, A40F FS, A40F\/G and T450D, described in dealer parts data as a hydraulic pump for those machines. Volvo&#8217;s own online catalogue does not return a citable page for the number, so the machine list is dealer-established. No displacement, pressure or flow figure is published for it and none is quoted here.<\/p>\n<h2>Why one pump covers four model letters<\/h2>\n<p>Volvo sized the D and E series haulers around a common hydraulic architecture, changing engine output, body size and emissions package while keeping the pump train largely intact. That is good for a mixed fleet carrying one part number, and it is a trap for a buyer who assumes the model letters mean nothing. They do mean something: the control settings, the drive coupling and the port arrangement differ between some of these builds, and a pump that fits the mounting may still be the wrong specification.<\/p>\n<p>The reliable order is the number cast on your pump plus the machine serial prefix. Send both and we confirm before invoicing.<\/p>\n<h2>How a hauler main pump fails<\/h2>\n<ul>\n<li>Cycle times lengthen and the tip slows, worst when the oil is hot: internal wear.<\/li>\n<li>Noise at the pump with a foamy tank: cavitation from a restricted suction line or a blocked strainer.<\/li>\n<li>Body drifts down with the control centred: check the holding valve before condemning the pump.<\/li>\n<li>Oil at the shaft: case drain back-pressure, commonly created during other repairs.<\/li>\n<\/ul>\n<p>Measurement method is in our <a href=\"https:\/\/www.hongtengdaparts.com\/de\/bagger-hydraulikpumpen-kauferspezifikationsleitfaden\/\">Leitfaden f\u00fcr Pumpenk\u00e4ufer und Spezifikationen<\/a> and rebuild scope in <a href=\"https:\/\/www.hongtengdaparts.com\/de\/dichtungssatz-fur-hydraulikpumpe-des-baggers\/\">die Checkliste f\u00fcr die \u00dcberholung des Dichtungssatzes<\/a>.<\/p>\n<h2>Montage und Bestellung<\/h2>\n<p>Match shaft spline, pilot, flange, port positions and control orientation against the removed pump. Prime with clean oil before cranking, change the return filter element, clear the suction strainer, keep the case drain unrestricted to tank, and target ISO 4406 18\/16\/13. Minimum order one piece. Three to six month warranty on new aftermarket units as stated on your proforma invoice; photographed against your order before the wooden case closes, delivery 5 to 8 working days from payment subject to stock. This section covers <a href=\"https:\/\/www.hongtengdaparts.com\/de\/produkt-kategorie\/hydraulikpumpe-fur-muldenkipper\/\">hauler hydraulic pumps<\/a>, and the hauler fan motor is <a href=\"https:\/\/www.hongtengdaparts.com\/de\/produkt\/volvo-11116529-fan-motor-a25d-hauler\/\">11116529<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p><strong>Teil:<\/strong> 11190766 Haupthydraulikpumpe f\u00fcr die Knickgelenk-Muldenkipper Volvo A25D, A25E, A30D, A35D, A35E, A35F, A40D, A40E und A40F, ebenfalls f\u00fcr den T450D aufgef\u00fchrt.<\/p>\n<p><strong>Kreis:<\/strong> Hauptarbeitshydraulik. Unser Quelldatensatz bezeichnete diese Position als Kolbenpumpe, was hinsichtlich der Bauart korrekt ist, es handelt sich jedoch nicht um eine L\u00fcfterantriebspumpe, und sie ist hier und nicht im L\u00fcfterbereich aufgef\u00fchrt.<\/p>\n<p><strong>Geliefert als:<\/strong> neuwertiger Ersatz in HTD-Markenqualit\u00e4t, hergestellt in China. MOQ 1 St\u00fcck, Holzkiste, Versand in 5 bis 8 Werktagen.<\/p>","protected":false},"featured_media":4799,"template":"","meta":[],"product_brand":[],"product_cat":[865],"product_tag":[918,877,878,920,919,876],"class_list":["post-4847","product","type-product","status-publish","has-post-thumbnail","product_cat-hauler-hydraulic-pump","product_tag-918","product_tag-a35d","product_tag-a40d","product_tag-hauler","product_tag-main-hydraulic-pump","product_tag-volvo-a25d","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.hongtengdaparts.com\/de\/wp-json\/wp\/v2\/product\/4847","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hongtengdaparts.com\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.hongtengdaparts.com\/de\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hongtengdaparts.com\/de\/wp-json\/wp\/v2\/media\/4799"}],"wp:attachment":[{"href":"https:\/\/www.hongtengdaparts.com\/de\/wp-json\/wp\/v2\/media?parent=4847"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.hongtengdaparts.com\/de\/wp-json\/wp\/v2\/product_brand?post=4847"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.hongtengdaparts.com\/de\/wp-json\/wp\/v2\/product_cat?post=4847"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.hongtengdaparts.com\/de\/wp-json\/wp\/v2\/product_tag?post=4847"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}