{"id":2772,"date":"2026-06-22T01:19:08","date_gmt":"2026-06-22T01:19:08","guid":{"rendered":"https:\/\/www.hongtengdaparts.com\/?post_type=product&#038;p=2772"},"modified":"2026-06-24T05:56:47","modified_gmt":"2026-06-24T05:56:47","slug":"boite-de-vitesses-dorientation-cat-305-265-8748","status":"publish","type":"product","link":"https:\/\/www.hongtengdaparts.com\/fr\/product\/cat-305-swing-drive-gearbox-265-8748\/","title":{"rendered":"CAT 305 Bo\u00eete de vitesses d'orientation \u2013 (265-8748)"},"content":{"rendered":"<h3>Informations d\u00e9taill\u00e9es<\/h3>\n<table>\n<tbody>\n<tr>\n<td><b>Origine<\/b>:<\/td>\n<td><b>Statut<\/b>: D'origine authentique<\/td>\n<td><b>Garantie<\/b>: 3 \u00e0 6 mois selon les d\u00e9tails du produit ; nous n'offrons pas de garantie pour les produits d'origine et d'occasion.<\/td>\n<\/tr>\n<tr>\n<td><b>Quantit\u00e9 minimale de commande<\/b>: 1 pi\u00e8ce<\/td>\n<td><b>Production Mensuelle<\/b>: 300 pi\u00e8ces<\/td>\n<td><b>D\u00e9tails de l'emballage<\/b>: Caisse en bois ou sur mesure selon demande<\/td>\n<\/tr>\n<tr>\n<td><b>Conditions de paiement<\/b>: virement bancaire, Western Union, PayPal<\/td>\n<td><b>D\u00e9lai de livraison<\/b>: 5 \u00e0 8 jours ouvr\u00e9s (selon la situation de la commande)<\/td>\n<td><b>Mode d'exp\u00e9dition<\/b>: Fret maritime, fret a\u00e9rien, ou via DHL\/FEDEX\/TNT\/EMS<\/td>\n<\/tr>\n<tr>\n<td><b>Garantie<\/b>: Nous inspecterons le produit et enverrons des photos d\u00e9taill\u00e9es \u00e0 l'acheteur pour confirmation.<\/td>\n<td><\/td>\n<td><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Remarque : Les informations d\u2019application fournies sont \u00e0 titre indicatif uniquement. Veuillez confirmer le num\u00e9ro de pi\u00e8ce et le comparer avec l\u2019ancien composant avant d\u2019acheter. Pour toute question, n\u2019h\u00e9sitez pas \u00e0\u00a0<a href=\"https:\/\/www.hongtengdaparts.com\/fr\/nous-contacter\/\">nous contacter<\/a>.<\/strong><br \/>\n<strong>Il est judicieux de choisir un produit offrant des performances stables, une fiabilit\u00e9 \u00e9lev\u00e9e, une installation facile et une r\u00e9ponse rapide.<\/strong><\/p>\n<h3><span class=\"\">1. Principales caract\u00e9ristiques et avantages<\/span><\/h3>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Bo\u00eete de vitesses d\u2019orientation de sp\u00e9cification OEM d\u2019origine<\/span><\/strong><span class=\"\">\u00a0\u2013 OEM part number 265-8748. Engineered to Caterpillar\u2019s original equipment specifications for the CAT 305, 305C, 305D, 305E, 305E2, 305CR, and related 5-ton class mini excavators<\/span><span class=\"\">. Il s\u2019agit d\u2019une unit\u00e9 neuve, de sp\u00e9cification d\u2019usine \u2013 non reconstruite, non un substitut g\u00e9n\u00e9rique.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Conseils d'entretien \u2013 Prolongez la dur\u00e9e de vie de votre bo\u00eete de vitesses d'orientation<\/span><\/strong><span class=\"\">\u00a0\u2013 The swing gearbox, also known as the swing drive or swing reducer, is responsible for allowing the excavator to rotate or \u201cswing\u201d on its base<\/span><span class=\"\">. It converts hydraulic power from the swing motor into the high torque needed to rotate the upper structure, enabling the machine to dig and move material from different angles<\/span><span class=\"\">. Lorsque ce r\u00e9ducteur tombe en panne, la machine ne peut pas se positionner pour un creusement efficace.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Direct replacement for CAT 305 series excavators<\/span><\/strong><span class=\"\">\u00a0\u2013 Specifically designed for CAT 305, 305C, 305D, 305E, 305E2, 305CR, and compatible 5-ton class mini excavators<\/span><span class=\"\">. Mounting flange, shaft interface, and bolt patterns match the original Caterpillar specifications exactly \u2013 no modifications, no adapters<\/span><span class=\"\">.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">High torque output for 5-ton class work<\/span><\/strong><span class=\"\">\u00a0\u2013 The swing gearbox provides the torque and gear reduction necessary for smooth, powerful rotation of the upper structure, even when the machine is on a slope or working with a full bucket. It works in tandem with the swing motor and swing bearing to ensure precise slewing control<\/span><span class=\"\">.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">R\u00e9duction plan\u00e9taire \u00e0 plusieurs \u00e9tages<\/span><\/strong><span class=\"\">\u00a0\u2013 The gearbox uses a precision planetary gear train (sun gear, planet gears, ring gear) to achieve the high reduction ratio required for excavator swing applications<\/span><span class=\"\">. This design delivers smooth, consistent torque transfer with minimal backlash.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Robust cast housing construction<\/span><\/strong><span class=\"\">\u00a0\u2013 Built with a high-strength housing that withstands the extreme shock loads, vibration, and torsional stress generated during swing operations. The housing protects internal components from contamination and provides long service life in harsh job site conditions<\/span><span class=\"\">.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Scell\u00e9e et lubrifi\u00e9e en usine<\/span><\/strong><span class=\"\">\u00a0\u2013 The gearbox is sealed and filled with the correct lubricant at the factory, ensuring proper lubrication from day one. Premium seals prevent contamination ingress and oil leakage, extending service life<\/span><span class=\"\">.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">V\u00e9rification visuelle avant exp\u00e9dition<\/span><\/strong><span class=\"\">\u00a0\u2013 Avant l'emballage, nous vous envoyons des photos d\u00e9taill\u00e9es en haute r\u00e9solution de l'unit\u00e9 en question (bride de fixation, cannelures, filetages des orifices, pi\u00e8ces moul\u00e9es, \u00e9tat g\u00e9n\u00e9ral). C'est vous qui validez l'exp\u00e9dition : nous n'exp\u00e9dions jamais \u00e0 l'aveugle.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Livraison rapide<\/span><\/strong><span class=\"\">\u00a0\u2013 D\u00e9lai de livraison de 5 \u00e0 8 jours ouvrables depuis notre entrep\u00f4t de Guangzhou. Capacit\u00e9 d\u2019approvisionnement mensuelle de 300 unit\u00e9s, disponible pour les commandes \u00e0 l\u2019unit\u00e9 ou en gros.<\/span><\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"\">2. Applications<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">The genuine CAT 265-8748 swing drive gearbox is the power transmission component for the swing system on CAT 305 series and 5-ton class mini excavators used across a wide range of job sites:<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Construction urbaine et services publics<\/span><\/strong><span class=\"\">\u00a0\u2013 Sidewalk repairs, water and gas line trenching, fibre\u2011optic cable installation, and small\u2011scale demolition in tight access spaces. The swing gearbox provides the torque and smooth rotation needed for precise positioning of the upper structure, allowing operators to work near existing structures without overswinging.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Am\u00e9nagement paysager r\u00e9sidentiel et excavation de piscines<\/span><\/strong><span class=\"\">\u00a0\u2013 Pool digs, retaining walls, grading, and drainage work. The smooth rotation and precise control enable operators to place materials accurately and work efficiently in confined residential spaces.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Entretien des routes et des ponts<\/span><\/strong><span class=\"\">\u00a0\u2013 Shoulder repairs, guardrail replacement, and drainage cleaning. The gearbox\u2019s consistent torque delivery allows operators to position the cab and attachments precisely for roadside work, even in tight work zones with limited space.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Parc de location d\u2019\u00e9quipement<\/span><\/strong><span class=\"\">\u00a0\u2013 Mini excavators are the most frequently rented machines. A genuine new swing gearbox provides predictable service life and eliminates the gamble of remanufactured or used units \u2013 avoiding costly mid\u2011rental failures, towing bills, and customer complaints. The swing gearbox is a high-wear component on rental machines due to constant rotation and varying operator habits.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">\u2013 Travaux forestiers et d\u00e9gagement de v\u00e9g\u00e9tation<\/span><\/strong><span class=\"\">\u00a0\u2013 Steep slopes, fallen timber, and uneven terrain demand reliable swing performance. The gearbox\u2019s robust construction and sealed bearings withstand the dirt, moisture, and debris common in forestry applications<\/span><span class=\"\">.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Agriculture et gestion des terres<\/span><\/strong><span class=\"\">\u00a0\u2013 Drainage ditch cleaning, irrigation trenching, pond maintenance, and land preparation. The gearbox\u2019s consistent power delivery ensures reliable slewing performance even in muddy or uneven field conditions.<\/span><\/p>\n<\/li>\n<\/ul>\n<h3><span class=\"\">3. Maintenance Tips \u2013 Extend the Life of Your Swing Gearbox<\/span><\/h3>\n<p class=\"ds-markdown-paragraph\"><span class=\"\">A properly maintained swing gearbox can deliver years of reliable service. Follow these tips to protect your investment and avoid unexpected downtime<\/span><span class=\"\">:<\/span><\/p>\n<ul>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Listen for unusual noises or vibrations<\/span><\/strong><span class=\"\">\u00a0\u2013 Grinding, whining, or rumbling sounds when swinging the excavator often indicate worn gears, bearings, or insufficient lubrication<\/span><span class=\"\">. If you hear unusual noises, inspect the gearbox immediately \u2013 continued operation will cause catastrophic failure.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Watch for difficulty rotating or \u201csticking\u201d<\/span><\/strong><span class=\"\">\u00a0\u2013 If the upper structure feels jerky, sticks in certain positions, or requires excessive effort to swing, the gearbox may have internal damage or contamination<\/span><span class=\"\">. This can also indicate a failing swing motor or bearing, but the gearbox should be inspected first.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Check for leaks or fluid seepage<\/span><\/strong><span class=\"\">\u00a0\u2013 Oil stains around the gearbox housing or seals indicate seal failure<\/span><span class=\"\">. A leaking gearbox will lose lubrication, leading to rapid gear and bearing wear. Replace worn seals immediately \u2013 seal replacement is far cheaper than a full gearbox rebuild.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Monitor swing speed and power<\/span><\/strong><span class=\"\">\u00a0\u2013 A noticeable decrease in swing speed or power, especially on slopes, often points to internal wear in the gearbox or hydraulic system<\/span><span class=\"\">. If the machine swings slower than usual despite full engine RPM, inspect the gearbox and swing motor.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Inspect seals and breathers regularly<\/span><\/strong><span class=\"\">\u00a0\u2013 Check all seals for cracks or hardening. Ensure the breather is clear \u2013 a blocked breather can cause pressure buildup that pushes oil past the seals<\/span><span class=\"\">.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Change gearbox oil at recommended intervals<\/span><\/strong><span class=\"\">\u00a0\u2013 Follow Caterpillar\u2019s recommended service intervals for gearbox oil changes. Contaminated or degraded oil accelerates wear on gears and bearings<\/span><span class=\"\">. Use the correct viscosity and specification as specified in your CAT 305 operator\u2019s manual.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Keep the gearbox and surrounding area clean<\/span><\/strong><span class=\"\">\u00a0\u2013 Dirt, mud, and debris can trap moisture against the housing and seals, accelerating corrosion and seal wear<\/span><span class=\"\">. Pressure\u2011wash the area carefully during routine cleaning, but avoid directing high\u2011pressure water directly at seals.<\/span><\/p>\n<\/li>\n<li>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Store spare gearboxes properly<\/span><\/strong><span class=\"\">\u00a0\u2013 Keep swing gearboxes in their original packaging, in a dry, clean environment. Rotate the input shaft by hand every 6 months to redistribute internal lubricant and prevent seal sticking.<\/span><\/p>\n<\/li>\n<\/ul>\n<hr \/>\n<blockquote>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Critical installation tip for the 265-8748 swing gearbox:<\/span><\/strong><br \/>\n<span class=\"\">\u2013\u00a0<\/span><strong><span class=\"\">Alignment is critical<\/span><\/strong><span class=\"\">\u00a0\u2013 The swing gearbox must be properly aligned with the swing motor and swing bearing. Misalignment will cause premature bearing wear, gear noise, and seal leakage.<\/span><br \/>\n<span class=\"\">\u2013\u00a0<\/span><strong><span class=\"\">Use new mounting bolts<\/span><\/strong><span class=\"\">\u00a0\u2013 Always use new high\u2011strength bolts (grade 10.9 or higher) when installing the gearbox. Old bolts may have stretched or lost thread\u2011locking compound.<\/span><br \/>\n<span class=\"\">\u2013\u00a0<\/span><strong><span class=\"\">Fill with correct lubricant<\/span><\/strong><span class=\"\">\u00a0\u2013 The swing gearbox has a separate oil fill. Refer to your CAT 305 operator\u2019s manual for the correct oil type and capacity. Do not overfill \u2013 excessive oil creates internal pressure that can force oil past the seals.<\/span><br \/>\n<span class=\"\">\u2013\u00a0<\/span><strong><span class=\"\">After installation, test swing operation<\/span><\/strong><span class=\"\">\u00a0\u2013 Run the engine at low idle, slowly cycle the swing controls in both directions to distribute lubricant and check for smooth operation. Listen for unusual noises and check for leaks.<\/span><br \/>\n<span class=\"\">\u2013\u00a0<\/span><strong><span class=\"\">Check bolt torque after 50 hours<\/span><\/strong><span class=\"\">\u00a0\u2013 After the initial run-in period, re\u2011torque all mounting bolts to factory specifications. Bolts can settle during the first few hours of operation.<\/span><\/p>\n<\/blockquote>\n<blockquote>\n<p class=\"ds-markdown-paragraph\"><strong><span class=\"\">Note de garantie :<\/span><\/strong><span class=\"\">\u00a0La p\u00e9riode de garantie est de 3 \u00e0 6 mois selon les d\u00e9tails du produit.\u00a0<\/span><strong><span class=\"\">Nous ne fournissons pas de service de garantie pour les pi\u00e8ces d'origine authentiques.<\/span><\/strong><span class=\"\"> Our value is delivered up front: genuine Caterpillar specification components, new\u2011condition gearbox, and pre\u2011shipment visual verification. For customers who require a warranty\u2011covered option, we can quote aftermarket alternatives \u2013 ask our sales team.<\/span><\/p>\n<\/blockquote>","protected":false},"excerpt":{"rendered":"<table>\n<tbody>\n<tr>\n<td><b>Mod\u00e8le applicable<\/b><\/td>\n<td>CAT305<\/td>\n<\/tr>\n<tr>\n<td><b>Nom<\/b><\/td>\n<td>Bo\u00eete de vitesses d\u2019orientation<\/td>\n<\/tr>\n<tr>\n<td><b>Num\u00e9ro de pi\u00e8ce<\/b><\/td>\n<td>265-8748<\/td>\n<\/tr>\n<tr>\n<td><b>Type de Produit<\/b><\/td>\n<td>Bo\u00eete de vitesses d\u2019orientation<\/td>\n<\/tr>\n<tr>\n<td><b>Cat\u00e9gorie<\/b><\/td>\n<td>Syst\u00e8me hydraulique<\/td>\n<\/tr>\n<tr>\n<td><b>Marque<\/b><\/td>\n<td>HTD<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"featured_media":2773,"template":"","meta":[],"product_brand":[],"product_cat":[73],"product_tag":[],"class_list":["post-2772","product","type-product","status-publish","has-post-thumbnail","product_cat-cat-swivel","first","instock","shipping-taxable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/www.hongtengdaparts.com\/fr\/wp-json\/wp\/v2\/product\/2772","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hongtengdaparts.com\/fr\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.hongtengdaparts.com\/fr\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hongtengdaparts.com\/fr\/wp-json\/wp\/v2\/media\/2773"}],"wp:attachment":[{"href":"https:\/\/www.hongtengdaparts.com\/fr\/wp-json\/wp\/v2\/media?parent=2772"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.hongtengdaparts.com\/fr\/wp-json\/wp\/v2\/product_brand?post=2772"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.hongtengdaparts.com\/fr\/wp-json\/wp\/v2\/product_cat?post=2772"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.hongtengdaparts.com\/fr\/wp-json\/wp\/v2\/product_tag?post=2772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}