Sany SY 335 travel motor

This travel motor (final drive) assembly is a core power component optimized specifically for the SANY SY335 excavator. By integrating a high-efficiency variable displacement piston motor with a precision planetary reduction gear, the unit delivers consistent, smooth propulsion for machinery weighing over 30 tons. Superior Torque Response: Tuned for the heavy-duty demands of the SY335, it ensures rapid start and brake responses, significantly enhancing operational precision on complex terrain. Mining-Grade Durability: The internal planetary gear set utilizes high-strength alloy steel subjected to vacuum carburizing heat treatment, effectively resisting mechanical fatigue caused by prolonged, high-load operations. Reinforced Sealing: Features a heavy-duty floating oil seal system designed to withstand dusty, humid, and corrosive environments, greatly extending the service life and cleanliness of the gearbox. OEM-Compatible Installation: Interface specifications strictly adhere to SANY engineering standards, ensuring a perfect fit during replacement without the need for modifications, thereby minimizing equipment downtime. Guangzhou Jianming Machinery Equipment Co., Ltd. With 20 years of solid practical experience, Guangzhou Jianming Machinery Equipment Co., Ltd. is an expert in the field of mechanical power systems and components. We began as a small machinery repair shop. Over the past two decades, we have accumulated a wealth of global success stories and maintenance expertise. Drawing on frontline experience in resolving complex mechanical issues, we have earned widespread acclaim and grown into a comprehensive enterprise employing over 200 professionals. We deeply understand the challenges equipment faces under extreme conditions and possess extensive practical experience and expertise in the following areas: Heavy Machinery Power Upgrades & Retrofitting: We provide customized engine overhaul and replacement solutions for various types of construction machinery, with specialized expertise in major power platforms such as Komatsu. Mining & Industrial Equipment Maintenance: We offer professional power optimization strategies to ensure equipment maintains continuous operational capability under high-load conditions. Agricultural & Irrigation Power Systems: We provide power unit upgrades and comprehensive troubleshooting services for a wide range of agricultural machinery and irrigation/drainage equipment. Leveraging our extensive technical expertise, we are also a leading supplier of spare parts: Comprehensive range of mechanical components: We offer a wide, carefully curated selection of construction machinery parts—including piston assemblies, cylinder heads, crankshafts, engine overhaul gasket kits, and hydraulic components—to meet all your one-stop procurement needs. Our wealth of practical experience and robust supply chain network are our most valuable assets. Whether you are facing complex mechanical challenges or require reliable spare parts, Jianming Machinery possesses the expertise to help you succeed! Please contact our sales representative, Mr. Zhan. WeChat/WhatsApp: +86 180 2712 4770