Charlynn 109-1238-006 Aftermarket Geroler Motor | SAE B Flange 31.75mm 14T Shaft

Technical specifications

| Item | Disc Geroler Motor |
| Model | 4000 Series |
| Direction Of Rotation | Clockwise |
| Flange | 4 Bolts Standard Type |
| Shaft | 31.75mm Spline Shaft 14teeth |
| Charlynn Code | 109-1238-006 |
| Highlight | 09-1238-006 char lynn motor, disc geroler char lynn motor, 109-1238-006 eaton char lynn hydraulic motor |
Product Overview
This product is a high-quality aftermarket replacement hydraulic motor designed for the original Eaton Charlynn® series model 109-1238-006. It is manufactured in strict accordance with the original factory's design standards and critical interface dimensions, and is a compact hydraulic motor featuring an efficient Geroler structure.
The core design includes an SAE B standard mounting flange and a 31.75mm (1.25-inch) 14-tooth involute spline output shaft, ensuring direct mechanical interchangeability with the host equipment. It is suitable for various medium and low-pressure hydraulic systems that require a compact structure, high starting torque, and stable low-speed operation.
Core values: It provides a reliable power unit that matches the performance of the original parts at a more competitive price and with a faster delivery cycle, effectively reducing equipment downtime. It is the preferred solution for equipment maintenance and repair.
Key Features and Advantages
• Precise original equipment specification replacement:
◦ 100% interface matching: Strictly manufactured in accordance with SAE B flange dimensions and 31.75mm-14T spline shaft specifications, enabling direct installation without any modifications.
◦ Performance parameter alignment: Key performance parameters such as working pressure, displacement, and speed range are all aligned with the original parts to ensure the equipment regains its original working performance.
• High-performance Geroler structure:
◦ High starting torque: Excellent starting characteristics, enabling smooth startup even at low speeds or high pressures.
◦ Stable operation: Precisely machined gear pairs ensure stable operation across the entire speed range with low noise.
◦ High power density: Compact structure, providing strong torque output in limited spaces.
• Excellent durability and reliability:
◦ High-quality materials: The housing is made of high-strength cast iron, and core transmission components are made of high-quality alloy steel with heat treatment for strong wear resistance.
◦ Precision manufacturing: Key mating surfaces are precision-machined to minimize internal leakage and ensure high volumetric efficiency.
◦ Reliable sealing: Uses well-known brand seals to effectively prevent oil leakage and adapt to various hydraulic oils.
• Wide applicability: Commonly used in the drive systems of traveling, slewing, or working devices in construction machinery, agricultural machinery, sanitation equipment, industrial mixers, and other equipment.












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