112-1206-006 Eaton Charlynn 500cc Splined Shaft Hydraulic Motor

Type	Orbital Motor, Hydraulic Motor
Brand	XLF Hydraulic
Model No.	112-1206-006
Displacement	500ml/r
Flange	4 Bolt
Shaft	38.1mm Splined 17-DP12/24 Shaft
Port Size	1 5/16-12UN
Drain Line	7/16-20UNF
Highlight	500cc Hydraulic Motor, Eaton Charlynn 112-1206-006 Replacement Motor, Hydraulic Motor With 4 Bolt Flange

112-1206-006 hydraulic motor is a high-displacement, low-speed high-torque (LSHT) gerotor hydraulic motor from the Eaton Char-Lynn® 6000 Series with a displacement of 500cc. It serves as a direct aftermarket replacement for the original OEM part 112-1206-006, specially engineered for hydraulic drive systems of various heavy-duty industrial, construction and mobile equipment.

As a core model of the Eaton 6000 Series, the 112-1206-006 adopts the series' signature Disc Valve technology and Geroler® roller gerotor gear set, delivering over 80 HP of power within a compact footprint. This motor is equipped with a 4-bolt SAE CC standard flange and a 38.1mm 17-DP12/24 spline shaft, meeting the most stringent power transmission requirements. The Eaton 6000 Series features the inherent advantages of LSHT hydraulic motors, making it ideal for operation under harsh conditions including heavy loads, heavy impact, low speed and frequent directional changes.

Its 500cc large displacement design delivers abundant torque reserve. Combined with the patented disc valve technology and Geroler roller gear set of the 6000 Series, it can steadily withstand impact and heavy load demands of heavy machinery during startup, climbing and variable load operations. Meanwhile, the built-in disc valve technology of the 6000 Series is equipped with an automatic wear compensation mechanism, maintaining stable high volumetric efficiency even after prolonged continuous operation.

1. Disc Valve Technology - Outstanding Energy Efficiency & Stable Performance

The 6000 Series is a high-performance disc valve cycloidal hydraulic motor with premium end-face flow distribution, outperforming conventional spool valve motors.

• Low pressure loss: Optimized disc valve structure reduces internal pressure drop for higher effective output pressure.
• High pressure & flow resistance: Supports heavier pressure and flow loads to generate greater torque and power.
• Automatic wear compensation: The valve plate self-compensates for operational wear, sustaining long-term volumetric efficiency and stable performance.
• Premium overall performance: Delivers smooth torque output with leading performance in its class.
• Patented Eaton Char-Lynn® 6000 Series motors achieve over 80 HP in a compact footprint, with the advanced disc valve design ensuring superior power density and reliable heavy-duty performance.

2. Geroler® Roller Cycloidal Gear Set - Rolling Friction for Higher Efficiency & Durability

Equipped with patented Geroler roller cycloidal structure, this double crown gear set installs precision rollers between the stator and rotor. Replacing traditional sliding friction with rolling friction, it boosts torque output by 20%–30% over standard cycloidal motors.

• High mechanical efficiency: Rolling friction drastically cuts energy consumption and mechanical loss.
• Superior starting torque: Initial torque reaches over 90% of theoretical torque for easy heavy-load startup.
• Low internal wear: Rolling contact minimizes component abrasion and prolongs service life.
• High power density: Produces higher torque within a compact, space-saving housing.

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