TE0230FS250AAFA Parker Torqmotor Hydraulic Motor LSHT 250cc

Product Overview

The Parker TE, TG, and TGK Series are Torqmotor™ low-speed, high-torque (LSHT) orbital hydraulic motors featuring field-proven gerotor and geroler technologies that deliver high starting torque, smooth operation, and superior volumetric efficiency.

The TE Series is a compact gerotor motor featuring a roller vane rotor set design, ideal for light to medium-duty propulsion applications. The TG Series is a medium-duty geroler motor with displacements ranging from 140 to 960 cm³/rev, maximum flow up to 115 L/min, and operating pressure up to 300 bar. The TGK Series is a heavy-duty reinforced geroler motor featuring an extra heavy drive train that delivers up to 19,000 lb-in (2,147 Nm) of torque within a standard-size motor housing, with maximum dynamic side load capability of 3,600 lb.

This page covers three key models: TE0230FS250AAFA, TG0195MS030AAAA, and TGK0240HW460AAAH, with displacements ranging from 195 to 250 cm³/rev and continuous torque output from 240 to 794 Nm. These motors are widely used in turf maintenance equipment, agricultural machinery, material handling equipment, and construction machinery.

As a premium aftermarket alternative to original Parker TE/TG/TGK Series orbital motors, this product is manufactured to strict Parker OEM specifications, ensuring 100% interchangeability with original equipment—direct bolt-on replacement with zero modification required. Every motor undergoes 100% simulated load testing prior to shipment to verify performance and reliability under rated operating conditions.

Technical Specifications 

TE0230FS250AAFA

• Product Series: TE (Torqmotor™ TE Series) Orbital Hydraulic Motor

• Geometric Displacement: Approx. 250 cm³/rev (equivalent BMRS250: 253.3 cm³/rev)

• Maximum Speed (Continuous/Intermittent): 600 rpm / 750 rpm

• Maximum Torque (Continuous/Intermittent): 240 Nm / 280 Nm

• Maximum Output Power (Continuous/Intermittent): 13 kW / 15 kW

• Maximum Pressure (Continuous/Intermittent): 17.5 MPa / 20 MPa

• Design Type: Gerotor, roller vane rotor set design

• Bearing Type: Needle bearings, steel-caged thrust bearing

• Control Type: Bi-directional rotation, hydraulic control

• Shaft Type: 25.4mm tapered shaft

• Mounting Flange: H4 flange

• Port Position: Side ports

• Shaft Seal: High-pressure shaft seal

• Drain Port: Yes

• Typical Application: Exmark Turf Tracer zero-turn mower drive wheel

TG0195MS030AAAA

• Product Series: TG (Torqmotor™ TG Series) Medium-Duty Orbital Motor

• Geometric Displacement: 195.8 cm³/rev (11.96 in³/rev)

• Maximum Speed: 330 rpm

• Maximum Torque: 4,691 lb-in (approx. 530 Nm)

• Maximum Pressure: 3,000 psi (approx. 207 bar, continuous)

• Maximum Pressure Differential: 4,350 PSID (approx. 300 bar)

• Mounting: 6-bolt Magneto flange mount

• Shaft Type: 1-1/4″ straight keyed shaft with Woodruff key

• Port Size: 7/8″-14 SAE straight thread

• Weight: 15 kg

• Design Type: Geroler

• Control Type: Bi-directional rotation, hydraulic control

• Drain Port: None (patented high-pressure shaft seal eliminates case drain)

TGK0240HW460AAAH

• Product Series: TGK (Torqmotor™ TGK Series) Heavy-Duty Orbital Motor

• Geometric Displacement: Approx. 240 cm³/rev (TG0240 series)

• Maximum Pressure Differential (Intermittent/Continuous): 4,000 psi (approx. 276 bar) / 3,500 psi (approx. 241 bar)

• Maximum Flow Rate (Intermittent/Continuous): 30 GPM (approx. 114 L/min) / 20 GPM (approx. 76 L/min)

• Maximum Output Torque (Intermittent/Continuous): Up to 19,000 lb-in (approx. 2,147 Nm) / 14,580 lb-in (approx. 1,647 Nm)

• Maximum Dynamic Side Load at Key: 3,600 lb

• Shaft Diameter: 1.25″ nominal, 1.5″ optional

• Design Type: Geroler with extra heavy drive train

• Control Type: Bi-directional rotation, hydraulic control

• Drain Port: None required

• Lubrication: Continuous oil flow across internal splines

• Manufacturing Origin: Designed and manufactured in Greeneville, TN, USA

Key Technical Advantages

1. Patented Zero-Leak Commutation Valve – Superior Volumetric Efficiency
The TE/TG/TGK Series feature Parker’s patented zero-leak commutation valve technology, effectively eliminating internal leakage paths for higher and more consistent volumetric efficiency. This design maintains efficient power transmission over extended operation, particularly critical for applications demanding precise speed stability.

2. Patented High-Pressure Shaft Seal – No Case Drain Required
The patented high-pressure shaft seal design eliminates housing leakage without the need for external drain lines. This innovative design greatly simplifies hydraulic circuit layout, reduces installation complexity and potential leak points, and minimizes the impact of system back pressure on motor performance.

3. Needle Bearings & Steel-Caged Thrust Bearings – Superior Load Capacity
The TE Series features needle bearings with steel-caged thrust bearings to effectively withstand radial and axial loads. The TGK Series further enhances this capability with a maximum dynamic side load rating of 3,600 lb at the key. This allows direct wheel or drive mechanism mounting without additional support bearings, simplifying system architecture.

4. Continuous Spline Oil Flow Lubrication – Extended Service Life
Continuous oil flow across internal splines ensures ongoing lubrication, dramatically extending spline service life. Combined with the inherent LSHT characteristics of the orbital motor design, the TE/TG/TGK Series deliver smooth, extra-low-speed operation.

5. High Power Density in a Compact Footprint
The TGK Series delivers up to 66% greater torque capacity than comparable products within a standard-size motor housing, providing exceptional power density. This advantage enables OEMs to achieve higher HP output in limited space, creating a competitive market advantage.

6. Premium Materials & Manufacturing Standards
TE/TG/TGK Series motors feature high-strength cast iron housings with precision-ground gerotor/geroler gear sets. All critical friction surfaces undergo surface hardening treatment. Every unit is manufactured to strict Parker OEM specifications, ensuring 100% interchangeability with original equipment.

Application Areas

TE0230FS250AAFA

• Turf Maintenance Equipment: Exmark Turf Tracer zero-turn mower drive wheels

• Commercial Mowing Equipment: 52″ and 60″ floating deck walk-behind mowers

• Golf Course Maintenance Equipment

• Viking Hydro Series equipment

TG0195MS030AAAA

• Agricultural Machinery: Self-propelled sprayers, fertilizer spreaders, small harvesters

• Material Handling Equipment: Forklifts, scissor lifts, AGV drive wheels

• Industrial Equipment: Conveyors, winches

TGK0240HW460AAAH

• Heavy Construction Equipment: Vehicle propulsion systems

• Drilling Equipment: Auger drives

• Chain Drive Systems

• Winches & Hoists

• Boom Rotation Drives

• Material Handling Equipment

• Forestry & Mining Equipment

Expert Maintenance Tips

Installation Guidelines:

1. Fluid Cleanliness: Maintain system fluid cleanliness to ISO 4406 18/16/13 minimum. Inlet fluid must pass through 10μm absolute filtration. Orbital motors are sensitive to fluid contamination—insufficient cleanliness will directly impact gerotor/geroler gear set life.

2. Case Pressure Limits: Although the TE/TG/TGK Series feature a no-case-drain design with patented high-pressure shaft seals, ensure case pressure does not exceed recommended limits. Excessive case pressure may damage shaft seals.

3. Shaft Alignment: Precise alignment between motor output shaft and driven load is critical—misalignment significantly reduces bearing life and increases side loading. While the TGK Series offers 3,600 lb side load capacity, optimal alignment is still recommended.

4. Mounting Bolt Torque: Mounting bolts must be torqued to Parker-specified values and re-torqued after initial operation.

5. TE0230 Specific Note: The TE0230FS250AAFA is primarily used for Exmark mower drive wheel replacement. Before replacement, verify the motor model and physical dimensions on the original equipment to ensure full compatibility.

Routine Maintenance:

1. Leak Inspection: Regularly inspect housing and shaft seal areas for oil seepage; replace seals immediately if leakage is detected.

2. Fluid Change Interval: Initial fluid change at 100 hours, thereafter every 1000 operating hours or annually, whichever comes first.

3. Operating Duty Monitoring: Operate motors within continuous duty ratings. Intermittent duty is permitted for short durations only. The TGK Series offers intermittent pressure up to 4,000 psi, but duration must be strictly controlled.

4. Spline Lubrication Verification: TG/TGK Series rely on continuous internal oil flow for spline lubrication. Ensure uninterrupted system oil supply—never operate under oil-starved conditions.