\nCaixa de engrenagens do acionamento de giro com especifica\u00e7\u00e3o OEM genu\u00edna<\/span><\/strong>\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>. Esta \u00e9 uma unidade nova, com especifica\u00e7\u00e3o de f\u00e1brica \u2013 n\u00e3o remanufaturada, nem um substituto gen\u00e9rico.<\/span><\/p>\n<\/li>\n\nDicas de Manuten\u00e7\u00e3o \u2013 Prolongue a Vida \u00datil da Sua Caixa de Engrenagens de Giro<\/span><\/strong>\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>. 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>. When this gearbox fails, the machine cannot position itself for efficient digging.<\/span><\/p>\n<\/li>\n\nDirect replacement for CAT 305 series excavators<\/span><\/strong>\u00a0\u2013 Specifically designed for CAT 305, 305C, 305D, 305E, 305E2, 305CR, and compatible 5-ton class mini excavators<\/span>. Mounting flange, shaft interface, and bolt patterns match the original Caterpillar specifications exactly \u2013 no modifications, no adapters<\/span>.<\/span><\/p>\n<\/li>\n\nHigh torque output for 5-ton class work<\/span><\/strong>\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><\/p>\n<\/li>\n\nMultiple-stage planetary reduction<\/span><\/strong>\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>. This design delivers smooth, consistent torque transfer with minimal backlash.<\/span><\/p>\n<\/li>\n\nRobust cast housing construction<\/span><\/strong>\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><\/p>\n<\/li>\n\nSelada e lubrificada de f\u00e1brica<\/span><\/strong>\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><\/p>\n<\/li>\n\nVerifica\u00e7\u00e3o visual pr\u00e9-envio<\/span><\/strong>\u00a0\u2013 Antes da embalagem, enviamos fotografias detalhadas de alta resolu\u00e7\u00e3o da unidade real (flange de montagem, estrias, roscas das portas, pe\u00e7as fundidas, condi\u00e7\u00e3o geral). Voc\u00ea aprova o envio \u2013 nunca enviamos \u00e0s cegas.<\/span><\/p>\n<\/li>\n\nEntrega r\u00e1pida<\/span><\/strong>\u00a0\u2013 Prazo de entrega de 5 a 8 dias \u00fateis a partir do nosso armaz\u00e9m em Guangzhou. Capacidade de fornecimento mensal de 300 unidades, dispon\u00edvel para pedidos de pe\u00e7a \u00fanica ou em grandes quantidades.<\/span><\/p>\n<\/li>\n<\/ul>\n2. Aplicativos<\/span><\/h3>\nThe 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\n- \n
Constru\u00e7\u00e3o urbana e utilidades<\/span><\/strong>\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- \n
\u2013 Reparos de cal\u00e7adas, valas para linhas de \u00e1gua e g\u00e1s, instala\u00e7\u00e3o de cabos de fibra \u00f3ptica. O design compacto tudo-em-um do PHV-4B oferece controle de deslocamento preciso, enquanto a mudan\u00e7a de duas velocidades permite reposicionamento r\u00e1pido em canteiros de obras de rua longos. As caracter\u00edsticas de partida e parada suaves evitam danos a superf\u00edcies acabadas.<\/span><\/strong>\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- \n
Manuten\u00e7\u00e3o de estradas e pontes<\/span><\/strong>\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- \n
Frota de aluguel de equipamentos<\/span><\/strong>\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- \n
\u2013 Miniescavadeiras est\u00e3o entre as m\u00e1quinas mais frequentemente alugadas. M\u00faltiplos operadores com h\u00e1bitos de condu\u00e7\u00e3o variados aceleram o desgaste dos acionamentos finais. Um motor de deslocamento novo genu\u00edno fornece vida \u00fatil previs\u00edvel (mais de 5.000 horas) e evita falhas dispendiosas no meio do aluguel, contas de reboque e reclama\u00e7\u00f5es de clientes.<\/span><\/strong>\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><\/p>\n<\/li>\n- \n
\u2013 Escava\u00e7\u00f5es de piscinas, muros de conten\u00e7\u00e3o, nivelamento e trabalhos de drenagem em bairros residenciais exigem baixo ru\u00eddo e vibra\u00e7\u00e3o. A opera\u00e7\u00e3o hidr\u00e1ulica silenciosa do PHV-4B reduz reclama\u00e7\u00f5es da vizinhan\u00e7a, e seu alto torque em baixa velocidade fornece a tra\u00e7\u00e3o necess\u00e1ria para solo compactado e argila.<\/span><\/strong>\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>\n3. Maintenance Tips \u2013 Extend the Life of Your Swing Gearbox<\/span><\/h3>\nA properly maintained swing gearbox can deliver years of reliable service. Follow these tips to protect your investment and avoid unexpected downtime<\/span>:<\/span><\/p>\n\n- \n
Listen for unusual noises or vibrations<\/span><\/strong>\u00a0\u2013 Grinding, whining, or rumbling sounds when swinging the excavator often indicate worn gears, bearings, or insufficient lubrication<\/span>. If you hear unusual noises, inspect the gearbox immediately \u2013 continued operation will cause catastrophic failure.<\/span><\/p>\n<\/li>\n- \n
Watch for difficulty rotating or \u201csticking\u201d<\/span><\/strong>\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>. This can also indicate a failing swing motor or bearing, but the gearbox should be inspected first.<\/span><\/p>\n<\/li>\n- \n
Check for leaks or fluid seepage<\/span><\/strong>\u00a0\u2013 Oil stains around the gearbox housing or seals indicate seal failure<\/span>. 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- \n
Monitor swing speed and power<\/span><\/strong>\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>. If the machine swings slower than usual despite full engine RPM, inspect the gearbox and swing motor.<\/span><\/p>\n<\/li>\n- \n
Inspect seals and breathers regularly<\/span><\/strong>\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><\/p>\n<\/li>\n- \n
Change gearbox oil at recommended intervals<\/span><\/strong>\u00a0\u2013 Follow Caterpillar\u2019s recommended service intervals for gearbox oil changes. Contaminated or degraded oil accelerates wear on gears and bearings<\/span>. Use the correct viscosity and specification as specified in your CAT 305 operator\u2019s manual.<\/span><\/p>\n<\/li>\n- \n
Keep the gearbox and surrounding area clean<\/span><\/strong>\u00a0\u2013 Dirt, mud, and debris can trap moisture against the housing and seals, accelerating corrosion and seal wear<\/span>. Pressure\u2011wash the area carefully during routine cleaning, but avoid directing high\u2011pressure water directly at seals.<\/span><\/p>\n<\/li>\n- \n
Store spare gearboxes properly<\/span><\/strong>\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
\n\nCritical installation tip for the 265-8748 swing gearbox:<\/span><\/strong>
\n\u2013\u00a0<\/span>Alignment is critical<\/span><\/strong>\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>
\n\u2013\u00a0<\/span>Use new mounting bolts<\/span><\/strong>\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>
\n\u2013\u00a0<\/span>Fill with correct lubricant<\/span><\/strong>\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>
\n\u2013\u00a0<\/span>After installation, test swing operation<\/span><\/strong>\u00a0\u2013 Run the engine at low idle, slowly cycle the swing controls in both directions to distribute lubricant and check for smooth operation.<\/span>
\n\u2013\u00a0<\/span>Check bolt torque after 50 hours<\/span><\/strong>\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\nNota de garantia:<\/span><\/strong>\u00a0O per\u00edodo de garantia \u00e9 de 3 a 6 meses, dependendo dos detalhes do produto.\u00a0<\/span>N\u00e3o fornecemos servi\u00e7o de garantia para pe\u00e7as originais genu\u00ednas.<\/span><\/strong> 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":"\n\n\n| Modelo aplic\u00e1vel<\/b><\/td>\n | CAT305<\/td>\n<\/tr>\n |
\n| Nome<\/b><\/td>\n | Caixa de Engrenagens do Acionamento de Giro<\/td>\n<\/tr>\n |
\n| N\u00famero da Pe\u00e7a<\/b><\/td>\n | 265-8748<\/td>\n<\/tr>\n |
\n| Tipo de Produto<\/b><\/td>\n | Caixa de Engrenagens do Acionamento de Giro<\/td>\n<\/tr>\n |
\n| Categoria<\/b><\/td>\n | Sistema Hidr\u00e1ulico<\/td>\n<\/tr>\n |
\n| Marca<\/b><\/td>\n | 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\/pt\/wp-json\/wp\/v2\/product\/2772","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.hongtengdaparts.com\/pt\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.hongtengdaparts.com\/pt\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.hongtengdaparts.com\/pt\/wp-json\/wp\/v2\/media\/2773"}],"wp:attachment":[{"href":"https:\/\/www.hongtengdaparts.com\/pt\/wp-json\/wp\/v2\/media?parent=2772"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.hongtengdaparts.com\/pt\/wp-json\/wp\/v2\/product_brand?post=2772"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.hongtengdaparts.com\/pt\/wp-json\/wp\/v2\/product_cat?post=2772"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.hongtengdaparts.com\/pt\/wp-json\/wp\/v2\/product_tag?post=2772"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}} |