Precision engineering meets reliability with our compound planetary gear solutions. We deliver expert repair, rebuild, and parts supply services for industrial, construction, and mobile equipment gear systems. Our factory-trained technicians restore complex planetary assemblies to OEM specifications, minimizing downtime and maximizing performance across all major equipment brands.
Complete gear system solutions from diagnosis and repair to rebuild and parts supply for all major equipment brands.
Expert diagnosis and complete rebuild of compound planetary gear assemblies to OEM specifications. We restore worn gears, bearings, and housings with precision machining and testing to ensure optimal torque transmission and service life.
Specialized repair and parts supply for final drive planetary gear systems that transfer power from hydraulic motors to tracks and wheels. Complete rebuild services for construction, mining, and material handling equipment drive assemblies.
Supply and rebuild services for hydrostatic transmission gear components across agricultural, industrial, and construction applications. We handle complex gear train assemblies with multiple reduction stages and high torque capacity requirements.
Extensive inventory of replacement gears, bearings, seals, and internal components for difficult-to-locate planetary gear systems. We source OEM and aftermarket parts for legacy equipment and current production models across all major manufacturers.
Fast-turnaround exchange program for critical planetary gear assemblies. Send us your core unit and receive a professionally remanufactured replacement, typically shipping within 3 days to minimize equipment downtime.
Comprehensive load testing and calibration services ensure rebuilt planetary gear assemblies meet or exceed manufacturer torque, speed, and efficiency specifications. Every unit undergoes rigorous quality control before shipment.
When compound planetary gear systems fail, your equipment stops earning. Our specialized repair facility handles complex multi-stage planetary assemblies used in excavators, mining trucks, transmissions, and industrial machinery. We rebuild gear sets to factory specifications with precision machining, proper clearances, and load testing. Whether you need a critical final drive repaired or hard-to-find internal gear components, our experienced technicians deliver reliable solutions backed by a comprehensive warranty and fast turnaround times.
Thousands of gear assemblies rebuilt and returned to service across construction, agriculture, mining, and industrial applications.
Industry-leading expertise in complex planetary gear systems for all major equipment manufacturers.
Service and parts for Caterpillar, Komatsu, John Deere, Hitachi, Volvo, and thousands of other manufacturers across construction, agriculture, and industrial sectors.
Every rebuild meets or exceeds original equipment manufacturer standards with precision machining, proper tolerances, and load testing to ensure reliable performance.
Exchange programs and expedited rebuild services typically ship within 3 days, minimizing costly equipment downtime and keeping your operations productive.
One-year warranty on all rebuilt gear assemblies with full money-back guarantee, demonstrating our confidence in quality workmanship and component reliability.
Factory-trained technicians specializing in complex planetary gear systems.
Hydrostatic Pump Repair has built a reputation as the go-to solution provider for complex gear system challenges across industrial, construction, agricultural, and mobile equipment sectors. Our team of factory-trained technicians brings decades of combined experience diagnosing, repairing, and rebuilding compound planetary gear assemblies to exacting OEM specifications. We understand that gear failure means lost productivity and revenue, which is why we've invested in precision machining capabilities, comprehensive parts inventory, and efficient processes that deliver quality results fast. Our commitment to excellence extends beyond repair—we provide technical support, help source hard-to-find components, and offer flexible solutions including exchange programs designed to minimize your downtime and maximize your equipment's operational life.
A compound planetary gear system is a multi-stage gear reduction assembly that uses sun gears, planet gears, and ring gears in series to achieve high torque multiplication in a compact package. These systems are commonly found in excavator final drives, mining truck transmissions, hydrostatic drive systems, and industrial machinery where high torque capacity and precise speed reduction are required. The compound design allows multiple reduction stages within a single housing, making it ideal for mobile equipment applications.
Our technical team can diagnose your planetary gear issue and recommend the most cost-effective repair solution.
Factory-trained technicians ensuring manufacturer-grade quality
Comprehensive coverage across thousands of equipment manufacturers
Complete confidence in workmanship and component quality
Contact us for expert diagnosis, repair quotes, and fast-turnaround solutions for your compound planetary gear needs.
For immediate assistance, feel free to give us a direct call at 8003610028
For immediate assistance, feel free to give us a direct call at 8003610028