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Hydraulic Motors
Low-Speed, High-Torque (LSHT) Motors - Geroler
Eaton is proud to be recognized as an industry leader in Low-Speed, High-Torque (LSHT) hydraulic motor technology. Our premium line of Char-Lynn® motors and standard line of Xcel motors both feature a design based on the Orbit Principle in which an internal gear rotates inside of an external fixed gear. These gerotor motors are known for their reliable high-power density, modularity and economic design.
Each of three Char-Lynn Geroler product lines include a wide variety of available displacements customizable specifically for application needs.
- Spool valve motors: J-motor, H-motor, S-motor, T-motor, T-brake
- Disc valve motors: 2000 Series, 4000 Series, 4000 Compact Series, Delta, 6000 Series, 10,000 Series
- HP and VIS (Valve in Star) motors: HP30, HP50, VIS 40, VIS 45
The Xcel product line is offered in carbon and stainless steel, brass and plastic, with various seal options available. The design life of Xcel motors are tailored for low to medium-duty applications.
High Pressure Char-Lynn Motors
Experience the power of Low-Speed, High-Torque (LSHT) hydraulic technology with heavy-duty, pressure-balanced Valve-in-Star (VIS) motors from Eaton. Primarily intended for closed-loop applications, these compact, powerful VIS motors are the perfect solution for grinders, sprayers, augers and other equipment, providing higher pressure capability and better efficiency than other types of LSHT hydraulic motors.
HP30 Hydraulic Motor
Featuring exceptional starting torque efficiency and two-speed capability, the HP30 offers significant advantages over competitive radial piston and cam lobe designs.
HP50 Hydraulic Track Motor
Eaton’s HP50 track motor’s direct drive can reliably meet the growing trend of higher top speed and horsepower transfer while providing high volumetric and mechanical efficiency.
VIS (Valve-In-Star) 40/45
The VIS 40 and VIS 45 motors utilize the patented VIS technology with improved high-strength Geroler, optimized drive geometry.
Low Pressure Char-Lynn Motors
Small but powerful, Eaton low pressure spool valve motors have the perfect combination of features for a variety of demanding applications, from harvesting equipment to food processing plants. With hydrodynamic journal bearings optimized for long life, these spool valve motors distribute pressurized fluid via integrated valve slots into the Gerotor or Geroler® orbit gear set. This results in a low pressure spool valve motor that can be optimized for low-flow and low-speed requirements, keeping equipment performing smoothly.
Common applications include harvesters, augers, conveyors, machine tools and food processing equipment.
Addresses these engineering challenges:
Reliable motor for continuous operation in demanding environments
High-performing motor for small general purpose applications
Product Features
Integrated proven orbit motor principle results in a compact yet powerful package
Hydrodynamic journal bearings extend bearing life
3-zone pressure design allows for an increased shaft seal and bearing life
Technical Information
J Series:
- Displacement cm3/r – 8.2, 12.9, 19.8, 31.6 and 50
- Pressure rating up to 2400 psi
H Series:
- Displacement cm3/r - 40, 51, 69, 96, 129, 159, 184, 230, 277 and 369
- Pressure rating up to 2565 psi
S Series:
- Displacement cm3/r - 58, 76, 93, 120, 144, 165, 186, 224, 299 and 371
- Pressure rating up to 2500 psi
T Series:
- Displacement cm3/r – 36, 49, 66, 80, 102, 131, 157, 195, 244, 306 and 370
- Pressure rating up to 2930 psi
Medium Pressure Char-Lynn Motors
When the job is tough—perhaps the harvest is long, or the brush to be cleared is thicker than usual—nobody has time for a faulty, unreliable motor. Eaton answers the call with medium pressure disc valve motors that provide higher flows and pressures than spool valve motors. Whether the system requires standard mount, wheel mount or bearingless configurations, Eaton medium pressure motors deliver unrivaled performance for a variety of applications.
Common applications include swing motor, brush cutters and mowers, harvesting equipment, trenchers, forestry equipment, and turf equipment.
Addresses these engineering challenges:
Experiencing high side or impact loading
Require more torque and pressure capabilities
Unique porting designs to meet various design constraints
Product Features
Highly-efficient Geroler® element provides energy savings
Widest range of available options on the market promotes maximum flexibility to fit into many applications
Disc-valve design delivers the lowest pressure drop in the indus
Technical Information
2000 Series
- Displacement cm3/r - 80, 100, 130, 160, 195, 245, 305, 395 and 490
- Pressure rating up to 4500 psi
4000 Series
- Displacement cm3/r - 160, 200, 250, 305, 395 and 490
- Pressure rating up to 4500 psi
Delta Series
- Displacement cm3/r - 113, 146, 198, 234, 252, 300, 347, 395, 470, 542, 649 and 754
- Pressure rating up to 4000 psi
6000 Series
- Displacement cm3/r - 195, 245, 310, 390, 490, 625 and 985
- Pressure rating up to 4500 psi
10,000 Series
- Displacement cm3/r - 345, 480, 665 and 940
- Pressure rating up to 4000 psi
Medium Pressure Xcel Motors
Ideal for medium-duty applications, Eaton Xcel Series geroler motors feature a 3-zone architecture, unlike the 2 zones found in competitive motors. With 3-zone motors, there's no need for extra horsepower that raises operating temperature and wastes energy. The Xcel motor's design dampens pressure spikes in both directions – even without a case drain hose – helping to extend shaft seal life and enhance overall reliability. Plus, Eaton's Xcel motors use a "same speed" disc valve that rotates with the output shaft, improving mechanical and volumetric efficiency.
Common applications include salt and sand spinners, street cleaner brushes, car washes, combine reel drives, feed-grinding augers, auger swing drives, stake-down motors and post-hole drives.
Addresses these engineering challenges:
Spending more on high-performance motors that are over-specified for the application.
Poor quality, limited life and increased warranty claims of competing low-cost motors.
Product Features
3-zone pressure design allows for an increased shaft seal and enhanced motor reliability
“Same speed” disc valve rotates with the output shaft and reduces horsepower requirements
Low price point for medium-duty applications
Offered in carbon and stainless steel, brass and plastic
Various seal options available
Color coding option available on certain series
Serviceable design to replace seals and clean coupling available on certain series
Technical Information
XLH Series:
- Displacement cm3/r – 3.2, 3.8, 4.9, 6.1, 7.6, 9.8, 12.2, 15, 19.2, 23.8
- Pressure rating up to 2000 psi
- Maximum speed – 800
- Torque Nm – 507
- Flow Ipm – 68
XLS Series:
- Displacement cm3/r – 3.1, 4.9, 6.1, 7.9, 9.8, 11.9, 15, 18.6, 24
- Pressure rating up to 2250 psi
- Maximum speed – 875
- Torque Nm – 512
- Flow Ipm – 68
XL2 Series:
- Displacement cm3/r – 4.9, 6.1, 7.9, 9.8, 11.9, 15, 18.6, 24.1, 29.9
- Pressure rating up to 4500 psi
- Maximum speed – 924
- Torque Nm – 930
- Flow Ipm – 115
XL4 Series:
- Displacement cm3/r – 9.8, 12.5, 15, 19, 24, 30
- Pressure rating up to 4500 psi
- Maximum speed – 693
- Torque Nm – 1170
- Flow Ipm – 150
Low-Speed, High-Torque (LSHT) Motors - Piston
Eaton is proud to be recognized as an industry leader in Low-Speed, High-Torque (LSHT) hydraulic motor technology producing motors that are known for their reliable high-power density, modularity and economic design.
While Power is often defined as the rate of doing work, Torque is defined as the measure of the turning force on an object being rotated, such as a bolt or an automotive flywheel. In the design of mechanical systems, torque density can be used to make smarter design decisions.
Dowmax Axial Piston Motor
Perfect for applications such as directional drilling machinery, top head drives and marine winches, the Eaton Dowmax ME Series motors feature a double swash plate design and multiple opposed pistons.
The low-speed, high-torque design of the Dowmax ME Series provides optimal power output with smooth operation and reduced torque ripple.
Addresses these engineering challenges:
- Smooth operation at low speeds
- High starting torque and the need for higher overall efficiency
- Compact with easy installation
- Robust construction
- Quiet operation
- Unaffected by thermal shock and good for starting in cold temperatures
Product Features
- Multiple pistons and double swash plate allow for smoother operation at speeds as low as 1 rpm
- Numerous shaft and mounting options promote flexibility of possible applications
- Speed pickup system available
Technical Information
ME Series
- Pressure Range: Up to 4000 psi
- Torque Range: Up to 16136 Nm (11,900 lb-ft)
- Speed Range: up to 1000 rpm
A powerful high speed, low torque hydraulic motor built to go the distance
Eaton’s Hydre-MAC™ is a low-speed, high torque (LSHT) direct drive, radial piston motor – featuring a cam lobe design – for variable speed applications that use less energy to deliver more power when needed. The Hydre-MAC radial piston motor can deliver 900kW of power and up to 280,000Nm of torque at max pressures of up to 350 bar all while delivering over 94% efficiency. With a symmetrical, 18-piston/roller assembly design that eliminates side loading, and two inlet/outlet ports that reduce pressure drop at high power, the Hydre-MAC radial piston motor generates less heat and experiences less wear and tear.
Product Features
- Eight cam lobes provide 144 power strokes per revolution, delivering class-leading, low-speed performance
- Symmetrical design with 18-piston/roller assemblies ensures even loading of all components to reduce wear
- Flame-hardened cam delivers long-lasting motor reliability
- Load bearing surfaces on the Hydre-MAC radial piston motor are serviceable, including the stainless steel shaft seal wear ring, piston seal and bearing pad
- Based on the same principals as the partially discontinued Hagglunds Marathon Motor and developed in partnership with MacTaggart Scott, the Hydre-MAC motor is direct, drop in replacement for the Marathon motor. It uses the same shaft and mounting hardware, making switching costs a non-issue during replacement
Technical Information
- Displacement: 12,000 cc/rev to 50,000 cc/rev
- Power: up to 900kw
- Max. Pressure – 350 bar
- Rated Torque – 280,000Nm
- Overall Efficiency: >94%
Applications:
- Created using a MacTaggart Scott heavy-duty motor design, the Hydre-MAC radial piston motor combines MacTaggart Scott’s motor expertise with Eaton’s extensive industry knowledge, and is ideal for offshore, marine, metal recovery, mining, pulp & paper and off-highway stationary applications
- Offshore – Winches, Thrusters, Mud Pump Drives
- Marine – Winches, Top Drives, Cutter Head Drives
- Metal Recovery – Shredders, Feeders, Conveyors
- Mining - Apron Feeders, Conveyors, Kiln Drives, Stacker/Reclaimer, Feeder Breakers, Crushers
- Pulp & Paper - De-Barker, Pressure Feeders, Chemi-Washers, Conveyors
- Off-Highway - Directional Drills, Large Trenchers, Dragline Winches, Road Prep Grinders
Piston / Motor Gearbox
From the energy-absorbing mechanical shocks and compact design of the JMF swing drive motors to the smoother acceleration and deceleration of the compatible and innovative JMV Track Drive motor, Eaton’s piston motors provide performance and energy efficiency in a wide variety of machine applications.
JMF Swing Drive Motor
With energy-absorbing mechanical shocks and a compact, high-power design, Eaton swing drive motors deliver top-tier performance every time
JMV Track Drive Motor
Eaton track drive motors are known for reduced power loss, increased mechanical and volumetric efficiency, and smooth acceleration and deceleration.
High-Speed Motors – Piston
Eaton high-speed piston motors provide great value to a broad range of end markets from the smallest fixed motor (11cc) to the largest variable motor (750cc) to tandem motor options. This value is presented in different product strengths including high speed capability up to 6000rpm, high pressure ratings of 500 bar peak, and high efficiency operation and precision control. Featuring a broad selection of unique features and benefits in compact packages, Eaton’s piston motors have a solution for every mobile and industrial market.
High-Pressure Piston - Fixed
Eaton’s high-pressure fixed piston motors feature a robust design with impressive power density allowing for application within confined spaces. Providing displacement from 28 to 750cc, Eaton’s high-pressure fixed piston motors also offer a peak pressure capability of up to 500 bar.
DuraForce HMA and HMF Series
Eaton’s DuraForce HMA and HMF Series piston motors all deliver high efficiency, precision control and durability over the course of many years of reliable service.
Hydrokraft MFX and MFW
Eaton Hydrokraft axial piston motors are engineered with the largest shaft bearings available for full through-drive capability and longer life in applications such as crushers, centrifugal pumps and thrusters.
Series 1 Fixed
Engineers and operators rely on Eaton Heavy-Duty Model Series 1 Fixed Displacement piston motors for exceptional quality, longevity and efficiency.
High-Pressure Piston - Variable
Eaton’s high-pressure variable piston motors feature high starting-torque efficiencies that compare favorably with bent axis motors with a compact axial piston package. Providing displacement from 55 to 280cc, Eaton’s high-pressure variable piston motors offer a broad selection of sizes, control options and features. Through high operational efficiency and control precision, these motors enable repeatable torque delivery through the operating range of high pressure applications.
DuraForce HMV and HMR Series
Eaton’s DuraForce HMV and HMR Series piston motors all deliver high efficiency, precision control and durability over the course of many years of reliable service.
Hydrokraft MVX and MVW
Eaton Hydrokraft axial piston motors are engineered with the largest shaft bearings available for full through-drive capability and longer life, even in demanding offshore and oilfield markets.
Series 1 Variable
Engineers and operators rely on Eaton Heavy-Duty Model Series 1 Fixed Displacement piston motors for exceptional quality, longevity and efficiency.
Medium-Pressure Piston - Fixed
Eaton's medium-pressure fixed piston motors offer an attractive market solution in a number of mobile and industrial applications with a unique combination of product strengths. Featuring displacements from 10 to 83cc, a pressure rating of 350 bar, a speed rating up to 6,000 rpm, and a through drive option. Eaton's medium-pressure fixed piston motors are a great choice for many applications, including propel, fan drive and agricultural seeding and planting.
Addresses these engineering challenges:
- Applications that require high speed (>4000 rpm) have to reach for bent axis motors, which can be costly and do not offer any through drive options.
Features and Benefits
- Numerous shaft and mounting options, three fixed displacement models and two variable displacement models provide flexibility in possible applications
- Lightweight, durable housing improves overall quality while allowing accessibility for ease of service
Technical Information
- Displacement Range: 32.9 cc - 49.2 cc {2.01 in - 3.00 in}
- Speed (max.): 3600 RPM
- Rated Pressures: to 3000–5000 psi [210–345 bar]; intermittent to 5400 psi [370 bar]
Medium-Pressure Piston - Variable
Eaton's medium pressure variable piston motors are a valuable solution to a wide range of applications. They are offered in sizes of 41 and 49cc, and rated to 350 bar, with manual, pressure regulated and electronic controls. With special engineering available to customize these motors to specific applications, they are very well suited in platforms such as truck mounted lift trucks, com-pact wheel loaders, telescopic booms, and utility vehicles.
Addresses these engineering challenges:
- Finding a customized solution that meets the needs of the application at a price point can be very difficult.
Features and Benefits
- Numerous shaft and mounting options, three fixed displacement models and two variable displacement models provide flexibility in possible applications
- Lightweight, durable housing improves overall quality while allowing accessibility for ease of service
Technical Information
- Displacement Range: 32.9 cc - 49.2 cc {2.01 in - 3.00 in}
- Speed (max.): 3600 RPM
- Rated Pressures: to 3000–5000 psi [210–345 bar]; intermittent to 5400 psi [370 bar]
High Speed Gear Motors & Vane Motors
Eaton's gear and vane motors offer a high-efficiency solution for a variety of industries.
For industries like agriculture, material handling, utility, forestry, earth-moving, automotive and turf care; Eaton’s gear motors and pumps offer both efficiency and reliability.
For industries like molding and material handling, Eaton vane motors are a quiet solution featuring industry benchmark performance and quality. From the easy serviceability and improved up-time to the smooth startups of the low breakout force, Eaton vane motors provide an economical and efficient means of applying variable speed and rotary hydraulic power.
M Vane Motors
High-speed, high-pressure Eaton M Series vane motors are field-proven to provide years of successful operation in elevator scraper drives, hydrostatic drives and many more auxiliary applications. They feature inlet/outlet ports that can be pressurized simultaneously while maintaining smooth operation.
Product Features
- Dual-pressure plate increases operational efficiency
- Diametrically opposed inlet and outlet chambers reduce wear
- Modular design permits greater serviceability
- Low inertia of rotating parts results in smooth operation
- Flange or foot mounting options allow for application flexibility
Technical Information
- Displacement Range: 21.6 cc - 317.1 cc {1.32 in - 19.35 in}
- Pressures up to 175 bar (2,500 psi) (size dependent)
- Rated Speeds up to 4,000 rpm
- Torque Range up to 119–847 Nm (1,050 to 7,500 lb-in)
- Heavy duty shaft bearing is also available
S26 Aluminum Gear Motors
Decrease noise emissions and pressure ripples in hydraulic systems for tractors and harvesters, turf care equipment, lift trucks and more with Eaton S26 aluminum gear motors. Featuring a pressure balanced, die-cast aluminum design, these compact, bi-directional motors incorporate multiple valve packages creating a complete solution. S26 aluminum gear motors are a great solution for tight spaces, as they are shorter than most other gear motors yet still deliver the necessary horse power to do the job.
Common applications include turf care, agriculture tractors and harvesters, lift trucks, fan drive systems, industrial, and vibratory machines.
Product Features
Quiet Operation
- The 13-tooth gears, versus 10 teeth in previous pumps, minimizes the flow ripple. This reduces noise as well as vibration.
- The improved trap reliefs not only increase power, they also help keep oil flowing smoothly to reduce noise.
Improved Efficiency
- Improved bearing lubrication system uses inlet oil instead of high pressure oil, improving volumetric efficiency for more power output.
- The highly polished shaft and gears improve mechanical efficiency and reduce wear on these components, adding to the service life and reliability of the pump.
- The optimized trapped oil relief areas help reduce pressure ripple for quieter operation. This also decreases the input power requirements.
Field Reversible
- The innovative new wear plate permits simple field reversibility of the pump direction. Simply open the pump, switch the drive gear and idler gear, reposition the plug and reassemble. No extra parts are needed.
Interchangeability
- The Series 26 Gear Pump has been designed to retrofit equipment using the B1 and B2 Gear Pumps. Extra shafts, porting, and mounting configurations, as well as 13 available displacements, give you the choices you need for an easy conversion to this superior pump.
Technical Information
- Rotation: Field Reversible
- Mounting Flange: SAE A 2 Bolt
- Maximum Continuous Pressure: 210 bar [3000 PSI]*
- Maximum Intermittent Pressure: 240 bar [3500 PSI]**
- Minimum Speed at Continuous Pressure: 750 RPM
- Maximum Rotating Torque at 0 Pressure: 4 Nm [36 lb-in]
- Maximum Continuous Operating Temperature: 105°C [220°F]
- Minimum Continuous Oil Viscocity: 5.7 cSt [45 SUS]
- Minimum Operating Temperature: -29°C [-20°F]
- Maximum Inlet Vacuum at Operating Condition: 0,8 bar Abs. [11.6 psi Abs.]
* 30.6 cm3/rev. [1.87 in3/rev.] displacement max. continuous pressure is 190 bar [2750 PSI].
** 30.6 cm3/rev. [1.87 in3/rev.] displacement max. intermittent pressure is 224 bar [3250 PSI].
L2 Series Pump
The Eaton Series L2 pump motor utilizes a proven design, featuring a B pad mounting flange that allows for higher pressure applications. The L2 pump motor also provides improved volumetric and mechanical efficiency for increased power output and flow.
Features and Benefits
Proven Design
- Decades of machine use on various applications
- B pad mounting flange allows for higher pressure applications
Improved Efficiency
- Improved bearing lubrication system uses inlet oil instead of high pressure oil, improving volumetric efficiency for more power output
- The highly polished shaft and gears improve mechanical efficiency and reduce wear on these components, adding to the service life and reliability of the pump.
- The optimized trapped oil relief areas help reduce pressure ripple for quieter operation. This also decreases the input power requirements.
Technical Information
- Rotation: CCW or CW
- Mounting Flange: SAE B 2 Bolt
- Maximum Continuous Pressure: 248 bar [3600 PSI]*
- Maximum Intermittent Pressure: 276 bar [4000 PSI]**
- Minimum Speed at Continuous Pressure: 750 RPM
- Maximum Rotating Torque at 0 Pressure: 4 Nm [36 lb-in]
- Maximum Continuous Inlet Pressure: 107°C [225°F]
- Minimum Operating Temperature: -29°C [-20°F]
- Maximum Inlet Vacuum at Operating Condition: 6.0 In. Hg
* 46.7 [2.85] displacement maximum continuous pressure is 224 bar [3250 PSI] 51.1 [3.12] displacement maximum continuous pressure is 207 bar [3000 PSI] 55.2 [3.37] displacement maximum continuous pressure is 190 bar [2750 PSI]
** 46.7 [2.85] displacement maximum intermittent pressure is 252 bar [3650 PSI] 51.1 [3.12] displacement maximum intermittent pressure is 234 bar [3400 PSI] 55.2 [3.37] displacement maximum intermittent pressure is 217 bar [3150 PSI]
Low Speed, High Torque (LSHT) Motors - Geroler
Featuring a design based on the Orbit® Principle, Eaton Char-Lynn® motors are known for their reliable high-power density, modularity and economic design.
Low Speed, High Torque (LSHT) Motors - Piston
Eaton’s swing drive and track drive piston motors provide performance and energy efficiency in a wide variety of machine applications
High Speed Motors - Piston
Eaton high-speed piston motors provide great value to a broad range of end markets from the smallest fixed motor (11cc) to the largest variable motor (750cc) to tandem motor options.
High Speed Gear Motors and Vane Motors
Eaton's gear and vane motors offer a high-efficiency solution for a variety of industries.
