{"id":4495,"date":"2026-10-26T08:30:11","date_gmt":"2026-10-26T08:30:11","guid":{"rendered":"https:\/\/www.hongtengdaparts.com\/product\/caterpillar-265-4925-fan-motor-938h\/"},"modified":"2026-10-26T08:30:11","modified_gmt":"2026-10-26T08:30:11","slug":"caterpillar-265-4925-fan-motor-938h","status":"publish","type":"product","link":"https:\/\/www.hongtengdaparts.com\/pl\/product\/caterpillar-265-4925-fan-motor-938h\/","title":{"rendered":"265-4925 Silnik wentylatora dla \u0142adowarki CAT 938H IT38H, 7029210020 Silnik z\u0119baty"},"content":{"rendered":"<p>Two numbers appear on the box, and only one of them is a Caterpillar part number. Getting that straight saves a workshop from quoting the wrong reference into their own system and losing traceability on the part.<\/p>\n<h2>What Caterpillar lists<\/h2>\n<p>265-4925 is catalogued as a <strong>Gear Motor<\/strong>, and the parts book item name is more specific still: MOTOR GP-GEAR -HYDRAULIC FAN, listed under the hydraulic system section of the 938H and recorded as part of the radiator and fan group. So the function is not an inference from a supplier title. Caterpillar&#8217;s own literature says this gear motor drives the cooling fan.<\/p>\n<h2>What 7029210020 is<\/h2>\n<p>The unit in our photographs carries a maker plate reading PT. NO. 7029210020, serial 0001, dated 2025.09.28, with the housing cast 8002-902-OEM. That is the producing manufacturer&#8217;s own part reference, the number they use internally and the number that appears on Chinese marketplaces alongside the Cat number. It is useful for tracing which factory built a unit and for ordering a seal kit from that maker. It is not a Caterpillar cross-reference, and it should not be entered into your system as though it were equivalent to 265-4925.<\/p>\n<p>We print both on the packing list, labelled, so your stores team can book the part against the Cat number and keep the maker code for warranty traceability.<\/p>\n<h2>Zastosowanie<\/h2>\n<p>CAT 938H wheel loader and IT38H integrated toolcarrier, parts literature covering machine prefix MJC from 00001 with the Cat C6.6 engine. The 938H is a smaller machine than the 980H, and the difference matters here: the 938H uses a <strong>bieg<\/strong> fan motor, while the 980H uses a <strong>piston<\/strong> fan motor, 255-6805. Same job, different construction, and no interchangeability between them.<\/p>\n<h2>Why gear fan motors get blamed unfairly<\/h2>\n<p>A gear motor is simple: two meshing gears, a housing, a seal. It has no regulator, no valve plate, no slipper interface. When it under-performs, the cause is almost always wear from contamination or heat, or a shaft seal that has been pushed out by case drain back-pressure. That means the diagnosis is short and the repair is usually not just the motor.<\/p>\n<ol>\n<li>Clean the cooling cores and re-check temperatures. On a 938H working in demolition or topsoil this resolves a large share of complaints without any parts.<\/li>\n<li>Measure flow at the motor ports. Short supply points at the fan pump, and the 938H pump is a separate part from this motor.<\/li>\n<li>Check the case drain line for a kink or a restriction. Gear motors tolerate less back-pressure than people assume, and the seal is the first thing to pay for it.<\/li>\n<li>Sample the oil. Grit in the sample means the whole circuit needs flushing, and a replacement fitted into dirty oil will fail inside the warranty period.<\/li>\n<\/ol>\n<p>Nasz <a href=\"https:\/\/www.hongtengdaparts.com\/pl\/diagnostyka-silnika-hydraulicznego-wentylatora-koparki\/\">przewodniku diagnostyki hydraulicznego silnika wentylatora<\/a> covers the tests in detail, and <a href=\"https:\/\/www.hongtengdaparts.com\/pl\/koparka-przegrzewanie-oleju-hydraulicznego-zawory-zwrotne\/\">the check valve article<\/a> covers the case where a loader still runs hot after the fan parts have been replaced.<\/p>\n<h2>Monta\u017c<\/h2>\n<p>Match shaft form, flange bolt pattern and port thread sizes against the removed motor. Prime before cranking. Fit a new return filter element and clear the suction strainer, holding cleanliness around ISO 4406 18\/16\/13 as the working target for piston components sharing the circuit. Confirm rotation direction with the fan restrained, then prove full fan speed under thermal load.<\/p>\n<h2>Terms<\/h2>\n<p>Minimum order one piece. New aftermarket units carry a three to six month warranty as stated on your proforma invoice. Bench tested, photographed against your order before the wooden case closes, delivery 5 to 8 working days from payment subject to stock. The 980H piston fan motor is on our <a href=\"https:\/\/www.hongtengdaparts.com\/pl\/produkt\/caterpillar-255-6805-fan-motor-980h\/\">255-6805 page<\/a>, and the full CAT range is under <a href=\"https:\/\/www.hongtengdaparts.com\/pl\/kategoria-produktu\/silnik-wentylatora-hydraulicznego\/silnik-wentylatora-gasienicowego\/\">Caterpillar hydraulic fan motor<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p><strong>Cz\u0119\u015b\u0107:<\/strong> 265-4925 hydrauliczny silnik wentylatora dla \u0142adowarek ko\u0142owych CAT 938H i IT38H. Caterpillar klasyfikuje go jako silnik z\u0119baty, z nazw\u0105 pozycji w katalogu cz\u0119\u015bci MOTOR GP-GEAR -HYDRAULIC FAN.<\/p>\n<p><strong>Wyja\u015bnienie drugiego kodu:<\/strong> 7029210020 znajduje si\u0119 na tabliczce producenta naszej jednostki. Jest to wewn\u0119trzny numer cz\u0119\u015bci producenta, a nie numer Caterpillar.<\/p>\n<p><strong>Dostarczana jako:<\/strong> nowy zamiennik marki HTD, produkcja Chiny. MOQ 1 sztuka, skrzynia drewniana, wysy\u0142ka 5 do 8 dni roboczych.<\/p>","protected":false},"featured_media":4451,"template":"","meta":[],"product_brand":[],"product_cat":[599,37],"product_tag":[681,682,683,54,552,684],"class_list":["post-4495","product","type-product","status-publish","has-post-thumbnail","product_cat-caterpillar-fan-motor","product_cat-hydraulic-fan-motor","product_tag-265-4925","product_tag-682","product_tag-cat-938h","product_tag-caterpillar","product_tag-fan-motor","product_tag-it38h","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.hongtengdaparts.com\/pl\/wp-json\/wp\/v2\/product\/4495","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hongtengdaparts.com\/pl\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.hongtengdaparts.com\/pl\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hongtengdaparts.com\/pl\/wp-json\/wp\/v2\/media\/4451"}],"wp:attachment":[{"href":"https:\/\/www.hongtengdaparts.com\/pl\/wp-json\/wp\/v2\/media?parent=4495"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.hongtengdaparts.com\/pl\/wp-json\/wp\/v2\/product_brand?post=4495"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.hongtengdaparts.com\/pl\/wp-json\/wp\/v2\/product_cat?post=4495"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.hongtengdaparts.com\/pl\/wp-json\/wp\/v2\/product_tag?post=4495"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}