Product Overview

The Parker Torqmotor™ TF Series is a medium-duty Low-Speed High-Torque (LSHT) orbital hydraulic motor designed for mobile and industrial hydraulic systems requiring reliable torque output, smooth low-speed operation and durable mechanical performance.

The requested configurations include:

• TF0195US080AADN
• TF0240NS060AAAA
• TF0360EW260LAAY

Parker’s official TF Series documentation covers multiple displacement sizes and configuration options, including wheel, SAE mounting, manifold, keyed-shaft, splined-shaft and tapered-shaft versions.

The TF motor uses a proven gerotor/orbital powertrain with roller-vane and sealed-commutation technology. The architecture is optimized for high starting torque, efficient hydraulic-to-mechanical power conversion and stable operation across a broad speed range.

For replacement applications, the complete Parker part number must be verified. Displacement alone does not guarantee mechanical interchangeability.

Technical Specifications

TF0195US080AADN

• Brand: Parker Hannifin
• Series: Torqmotor™ TF
• Product Type: LSHT Orbital / Gerotor Hydraulic Motor
• Part Number: TF0195US080AADN
• Motor Size: TF0195
• Geometric Displacement: 197 cm³/rev
• Displacement: 12.0 in³/rev
• Maximum Intermittent Speed: 381 rpm
• Maximum Continuous Flow: 15 gpm / 56.8 L/min
• Maximum Intermittent Flow: 20 gpm / 75.7 L/min
• Maximum Continuous Differential Pressure: 2,000 psi / 138 bar
• Maximum Intermittent Differential Pressure: 3,000 psi / 207 bar
• Maximum Supply Pressure: 4,350 psi / 300 bar
• Maximum Continuous Torque: 3,222 lb-in / approximately 364 Nm
• Maximum Intermittent Torque: 4,971 lb-in / approximately 561 Nm
• Minimum Starting Torque: approximately 302 Nm continuous
• Minimum Starting Torque: approximately 468 Nm intermittent
• Mounting: U — Standard Wheel
• Port Configuration: S — 7/8-14 SAE
• Shaft Code: 08
• Rotation: Standard
• Configuration Suffix: AADN
• Approximate Weight: 14.8 kg

TF0240NS060AAAA

• Brand: Parker Hannifin
• Series: Torqmotor™ TF
• Product Type: LSHT Orbital / Gerotor Hydraulic Motor
• Part Number: TF0240NS060AAAA
• Motor Size: TF0240
• Geometric Displacement: 238 cm³/rev
• Displacement: 14.5 in³/rev
• Maximum Intermittent Speed: 394 rpm
• Maximum Continuous Flow: 20 gpm / 75.7 L/min
• Maximum Intermittent Flow: 25 gpm / 94.6 L/min
• Maximum Continuous Differential Pressure: 2,000 psi / 138 bar
• Maximum Intermittent Differential Pressure: 3,000 psi / 207 bar
• Maximum Supply Pressure: 4,350 psi / 300 bar
• Maximum Continuous Torque: approximately 427 Nm
• Maximum Intermittent Torque: approximately 670 Nm
• Mounting / Port Code: NS configuration
• Shaft Code: 06
• Configuration Suffix: AAAA

The complete NS060AAAA configuration should be verified against the original Parker nameplate or configuration drawing before final mechanical replacement approval.

TF0360EW260LAAY

• Brand: Parker Hannifin
• Series: Torqmotor™ TF
• Product Type: LSHT Orbital / Gerotor Hydraulic Motor
• Part Number: TF0360EW260LAAY
• Motor Size: TF0360
• Geometric Displacement: 364 cm³/rev
• Displacement: 22.2 in³/rev
• Maximum Intermittent Speed: 258 rpm
• Maximum Continuous Flow: 20 gpm / 75.7 L/min
• Maximum Intermittent Flow: 25 gpm / 94.6 L/min
• Maximum Continuous Differential Pressure: 1,880 psi / approximately 130 bar
• Maximum Intermittent Differential Pressure: 2,750 psi / approximately 190 bar
• Maximum Supply Pressure: 4,350 psi / 300 bar
• Maximum Continuous Torque: 5,257 lb-in / approximately 594 Nm
• Maximum Intermittent Torque: 7,788 lb-in / approximately 880 Nm
• Minimum Starting Torque: approximately 517 Nm continuous
• Minimum Starting Torque: approximately 779 Nm intermittent
• Shaft Code: 26
• Shaft: 25 mm straight shaft with 8 mm key and tapped shaft end
• Rotation: Standard
• Configuration: EW260LAAY

Control Method

The Parker TF Series is a fixed-displacement orbital hydraulic motor.

Its fundamental hydraulic relationships are:

Hydraulic Flow → Motor Speed

Differential Pressure × Displacement → Output Torque

Therefore:

• Displacement: Fixed
• Speed Control: Hydraulic flow
• Torque Generation: Differential pressure and displacement
• Rotation Direction: Determined by hydraulic flow direction
• Variable Displacement Control: Not integrated into the standard TF motor

System speed control is normally achieved through the hydraulic pump and flow-control circuit, while torque is governed primarily by differential pressure and motor displacement.

Key Technical Advantages

1. LSHT Gerotor Powertrain

The TF Series is designed specifically for low-speed, high-torque operation.

The available displacement range allows the motor to deliver substantial mechanical torque at relatively low rotational speeds, making it suitable for direct-drive hydraulic applications.

2. Roller-Vane and Sealed-Commutation Technology

Parker incorporates roller vanes and sealed commutation into the TF powertrain.

These features are intended to support:

• Smooth low-speed operation
• Efficient hydraulic power conversion
• Stable torque transmission
• Reduced internal friction
• Long service life

3. 60:40 Spline Geometry

The TF powertrain incorporates Parker’s 60:40 spline geometry within the drive system.

The engineering objective is to provide an efficient torque-transfer interface while maintaining durability under repeated hydraulic and mechanical loading.

4. High Starting Torque

The TF Series provides substantial starting torque relative to motor size.

For example:

• TF0195: approximately 302 Nm continuous starting torque
• TF0240: approximately 367 Nm continuous starting torque
• TF0360: approximately 517 Nm continuous starting torque

High starting torque is valuable when a motor must overcome static friction, inertia or heavy initial load.

5. Robust Bearing Design

Parker’s TF Series is designed with a robust bearing arrangement capable of handling external mechanical loads.

This is important in applications involving:

• Wheels
• Sprockets
• Gears
• Pulleys
• Chain drives

Bearing life should always be evaluated against actual radial load, axial load, shaft speed and load position.

6. High-Pressure Shaft Sealing

The TF Series uses high-pressure shaft-sealing technology intended to maintain reliable operation under demanding hydraulic conditions.

Proper control of oil temperature, return pressure and shaft loading is important for maximizing seal life.

7. Flexible Configuration

Parker offers multiple combinations of:

• Mounting styles
• Port configurations
• Shaft types
• Rotation options
• Manifold arrangements
• Sealing options

This flexibility makes the TF Series suitable for both OEM applications and aftermarket replacement.

Application Areas

TF0195US080AADN

Typical applications include:

• Agricultural machinery
• Wheel drives
• Conveyor systems
• Material handling equipment
• Mobile hydraulic equipment
• Agricultural attachments
• Rotary drives

TF0240NS060AAAA

Typical applications include:

• Agricultural machinery
• Conveyors
• Material handling systems
• Mobile equipment
• Rotary attachments
• Industrial auxiliary drives

TF0360EW260LAAY

Typical applications include:

• Agricultural machinery
• Forestry equipment
• Conveyors
• Material handling
• Mobile hydraulic machinery
• Rotary drives
• Agricultural processing equipment

Expert Maintenance Tips

1. Match the Complete Part Number

Always specify the complete motor reference:

TF0195US080AADN

TF0240NS060AAAA

TF0360EW260LAAY

Do not select a replacement solely by TF displacement size.

2. Verify Shaft and Mounting Interfaces

Before installation, check:

• Shaft diameter
• Key dimensions
• Spline geometry
• Pilot diameter
• Bolt pattern
• Port thread
• Port orientation
• Shaft-end thread
• Rotation direction

A motor with the same displacement may still be mechanically incompatible.

3. Respect Motor-Specific Pressure Ratings

The allowable differential pressure changes with displacement.

For example:

• TF0195: 2,000 / 3,000 psi continuous/intermittent
• TF0240: 2,000 / 3,000 psi
• TF0360: 1,880 / 2,750 psi

The maximum pressure of the TF family must never be applied indiscriminately to every motor size.

4. Check External Shaft Loads

For wheel, sprocket, gear and pulley applications, calculate:

Radial Load + Axial Load + Load Distance + Shaft Speed + Bearing Life

Improper side loading can accelerate bearing and shaft-seal wear.

5. Maintain Hydraulic Fluid Cleanliness

Regularly monitor:

• Hydraulic-fluid cleanliness
• Filter condition
• Oil viscosity
• Oil temperature
• Return pressure
• Internal leakage

Contaminated hydraulic fluid can accelerate wear of the gerotor, commutation surfaces, bearings and sealing elements.

6. Observe Intermittent-Duty Limits

Parker specifies intermittent operation ratings on a limited-duty basis rather than as continuous operating values.

Intermittent pressure, torque and flow ratings must therefore be used within their specified duty cycle.

7. Standardize Replacement Testing

Replacement motor validation should use controlled test conditions for:

• Oil viscosity
• Oil temperature
• Flow
• Pressure
• Mechanical load
• Return pressure

This ensures meaningful comparison between the original motor and the replacement unit.

8. 100% Simulated Operating-Condition Testing

For Parker TF replacement motors, recommended factory QA includes:

• Displacement verification
• Pressure testing
• Flow testing
• Speed verification
• Starting-torque testing
• Continuous-torque testing
• Internal-leakage testing
• Rotation-direction testing
• Shaft runout inspection
• Key/spline inspection
• Bearing inspection
• Return-pressure verification
• Temperature-rise testing
• Noise and vibration testing
• Complete configuration verification