SPARKLING Caterpillar Swing Motor Assembly – Precision & Durability

The CA2003373 (200-3373 / 2003373 / 200-3372) Swing Motor GP is a high-performance OEM replacement designed for Caterpillar excavator models CAT330C, CAT330D, CAT330DL, and CAT336D. Engineered for exceptional torque output, smooth swing control, and long-lasting durability, this swing motor is built with precision-machined components and superior sealing technology. It ensures optimal hydraulic efficiency and responsiveness, even in the toughest construction and mining conditions.

Tested to meet or exceed OEM performance standards, this Motor Group – Swing is the ideal solution for heavy-duty excavation tasks, helping maximize machine uptime and productivity while reducing operating costs.

   SPARKLING MACHINERY NEW K3V112DT-1XWR-9N5A Hydraulic Main Pump is a premium China-made hydraulic core component designed to serve as the central power unit for compatible excavators. As the heart of hydraulic systems, it efficiently converts mechanical energy into stable hydraulic pressure to drive critical operations such as arm movement, bucket action, and lifting, ensuring consistent performance in construction, mining, and heavy-duty tasks.

   Engineered to original equipment standards, it delivers steady pressure output even under continuous heavy loads, minimizing energy loss during operation. Equipped with advanced flow regulation and multi-layer protection systems, it resists leakage and adapts to harsh working environments, ensuring long-term operational stability. Backed by strict quality verification and professional support, it reduces unplanned downtime and maximizes equipment productivity.

The SPARKLING MACHINERY China aftermarket Swing Motor, offered in part numbers 38K9-11100 and 38K9-10150, delivers a high-quality, durable solution engineered for Hyundai excavator models including R300-9S, R300LC-9, R290LC-7, and R290LC-9.
Wide Compatibility & OEM Fit
Tailored to meet the OEM specifications for various Hyundai crawler excavators (R300-9, R300LC-9, R290LC-7, R290LC-9), ensuring a direct, plug-and-play fit.
Industrial-Grade Performance
Ensures seamless and steady rotation of the excavator’s upper structure—critical for material handling and load positioning. Heavy-duty design supports high torque and consistent cyclic performance. 

The Sparkling Machinery A2FM23 Hydraulic Pump (model R902201557) is a high-performance axial piston pump in fixed-displacement design, engineered for both open- and closed-circuit hydraulic systems like Rexroth’s A2FM23 range. Rated up to 400 bar nominal pressure (max. 450 bar), this pump delivers strong torque and stable flow under heavy-duty excavation scenarios. Featuring a compact bent-axis construction, it offers high power density and efficient operation in both mobile and stationary applications. It’s ideal for excavators, construction machinery, and industrial hydraulic systems requiring reliable, OEM-compatible performance.