Eaton Char-Lynn 2000 Series 104-1019-006 104-1028-006 Hydraulic Orbit Motor

The 104 Series (Eaton Char-Lynn 2000 Series compatible) low-speed high-torque (LSHT) hydraulic orbit motors from Chengyuan Hydraulic are high-performance power units designed for mobile and industrial drive systems. This series features the advanced Geroler® gear set construction, which minimizes starting friction and provides superior mechanical efficiency under heavy loads. For specific models like 104-1019-006 and 104-1028-006, we maintain strict tolerance control between the valve drive and the valve plate. Every motor undergoes 100% simulated full-load condition testing to verify that starting torque and rated output match OEM standards, ensuring 100% original-place interchangeability.

Technical Specifications :

• Core Model Codes: 104-1019-006, 104-1028-006, 104-3359-006, 104-1819-006, 104-1228-006

• Displacement Range: 80 cm³/r to 490 cm³/r (4.9 to 30.0 in³/r)

• Continuous Pressure: Up to 205 bar (3000 psi)

• Intermittent Peak Pressure: Up to 310 bar (4500 psi)

• Max Output Torque: 845 Nm (7480 lb-in)

• Max Rated Speed: 900+ RPM (depending on displacement)

• Shaft Options: 1″ Keyed, 1-1/4″ Keyed, or 6B/14T Splined shafts

• Mounting: Standard 2-Bolt SAE A or 4-Bolt Square flanges

• Porting: 7/8-14 UNF O-ring or G 1/2 BSPP ports

Key Technical Advantages:

• Advanced Geroler® Technology: Unlike standard Gerotor designs, our 104 series integrates hardened rollers within the stator ring. This reduces friction, allowing the motor to operate smoothly at extremely low speeds (<10 RPM) and significantly enhancing shock-load resistance.

• Precision Disc Valve Design: The valve plate is driven independently of the output shaft, allowing for automatic wear compensation. This maintains high volumetric efficiency even under frequent reversals or high-pressure spikes, outperforming traditional spool valve designs.

• Heavy-Duty Bearing Support: Equipped with large-capacity tapered roller bearings at the front end, these motors can handle significant radial and axial loads. This eliminates the need for extra outboard bearings in belt or gear drive applications.

• High-Pressure Shaft Seal: Features a premium high-pressure shaft seal that withstands high backpressure without requiring a case drain line in many configurations. This simplifies plumbing and prevents leakage during pressure transients.

Application Areas:

• Municipal Vehicles: Street sweeper brush drives and snow blower augers.

• Agriculture: Seeder drives, harvester conveyors, and brush cutter attachments.

• Industrial Equipment: Conveyor drives, food processing agitators, and injection molding die-adjustments.

Expert Maintenance Tips:

• Pre-Start Priming: After installation, always prime the motor with clean hydraulic oil through the drain or inlet port. Rotate the shaft manually to ensure the Geroler set is fully lubricated before power-up.

• Drain Line Management: While high backpressure is supported, connecting a dedicated case drain line is recommended if return pressure exceeds 100bar or if severe pulsations are present to maximize seal life.

• Thermal Management: Maintain operating oil temperatures between 30°C and 60°C. Excessive heat thins the oil film, accelerating valve plate wear and reducing output torque.