Parker Hydraulic Orbit Motor TG Series

Parker Hydraulic Orbit Motor TG Series

Fortis Systems Group (FSG) provides a comprehensive range of premium Hydraulic Orbital Motors engineered to serve as high-performance Parker TG Series replacements. If you are unable to find the specific configuration for your machinery, our technical engineering team is available for professional consultation to ensure 1:1 interchangeability. Built for superior power and rugged durability, our TG Series LSHT motors are available in both flange and wheel mount configurations to suit diverse industrial requirements. These units are validated to deliver a maximum output torque of 1490 Nm, displacements up to 960cc, and nominal shaft sizes up to 34.9mm.
  • Interchangeability: Parker TG Series, White Drive DT
  • Max Pressure: 200bar
  • Displacement: 140-958 cm³/revcm³/rev
  • Max Torque: 400Nm
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Detail Parameter

Parker TG – Specifications
Pump model 0140 0170 0195 0240 0280 0335 0405 0475 0530 0625 0785 0960
Displacement cc/rev 141 169 195 238 280 337 405 477 529 623 786 959
in3/rev 8.60 10.31 11.90 14.52 17.09 20.57 24.71 29.11 32.28 37.41 47.96 58.52
Maximum Speed – Continuous rev/min 530 440 380 320 270 225 185 160 140 120 95 78
Maximum Speed – Intermittent rev/min 710 575 510 420 350 290 245 240 215 185 145 119
Maximum Oil Flow – Continuous l/min 75 75 75 75 75 75 75 75 75 75 75 75
Maximum Oil Flow – Intermittent l/min 100 100 100 100 100 100 100 115 115 115 115 115
Maximum differential

Continuous

 pressure – bar 210 210 210 210 210 210 170 140 140 120 100 70
psi 2900 2900 2900 2900 2900 2900 2470 2030 2030 1740 1450 1015
Maximum differential

Intermittent

 pressure – bar 280 280 280 280 280 280 240 210 170 160 140 100
psi 4060 4060 4060 4060 4060 4060 3480 2900 2470 2320 2030 1450
Maximum supply pressure bar 300 300 300 300 300 300 300 300 300 300 300 300
psi 4350 4350 4350 4350 4350 4350 4350 4350 4350 4350 4350 4350
Maximum Torque – Continuous Nm 400 485 560 685 800 980 960 960 1050 1040 1150 925
Maximum Torque – Intermittent Nm 545 670 770 945 1100 1350 1350 1400 1280 1360 1490 1390
Maximum performance KW 33 33 33 32 31 30 27 28 23 20 17 12
[HP] 44.25 44.25 44.25 42.91 41.57 40.23 36.21 37.55 30.84 26.82 22.80 16.09
Minimum Starting Torque – Continuous Nm 320 388 448 548 675 784 791 768 874 895 991 763
Minimum Starting Torque – Intermittent Nm 436 536 616 756 880 1080 1145 1120 1091 1165 1341 1177
Weight of motor with E and M Flanges Kg 14.2 14.5 14.7 15.1 15.5 15.9 16.5 17.2 17.9 18.6 20.2 22.0
Lbs 31.3 32.0 32.4 33.3 34.2 35.1 36.4 37.9 39.5 41.0 44.5 48.5
Weight of motor with H and V Flanges Kg 16.1 16.3 16.6 17.0 17.4 17.8 18.4 19.0 19.8 20.5 22.0 23.7
Lbs 35.5 35.9 36.6 37.5 38.4 39.2 40.6 41.9 43.7 45.2 48.5 52.2
 

Dimension L

 E Flange mm 191 194 197 202 207 213 220 229 235 245 264 283
M Flange mm 196 199 202 208 212 218 225 234 240 250 269 288
H Flange mm 150 154 157 162 166 173 180 188 195 204 223 242
V Flange mm 217 220 224 228 233 238 246 255 262 272 290 309
Advanced Engineering & Design:
Our TG series hydraulic cycloidal motors are based on a precision cycloidal rotor set design, designed to provide extremely high volumetric efficiency and significantly reduce internal mechanical losses. Unlike ordinary motors, the FSG employs unique internal flow channel optimization technology to effectively suppress temperature rise while maximizing torque output. This compact and robust structural design allows the motor to maintain stable performance output under harsh heavy-duty conditions, making it ideal for space-constrained applications.
Parker Hydraulic Orbit Motor TG Series Structure
Parker Hydraulic Orbit Motor TG Series Components
Key Features:
High Power Density: Thanks to advanced manufacturing processes, the TG series delivers remarkable power within a compact size, perfectly suited for power upgrades in small machinery. Optimized Torque-to-Inertia Ratio: Features excellent start-stop response, enabling precise control even under conditions of frequent reversals or sudden pressure changes. Low Torque Ripple: An optimized distribution mechanism ensures extremely smooth motor operation at low speeds, significantly reducing system noise and vibration.
Parker Hydraulic Orbit Motor TG Series Components
Technical Advantages In-Depth Analysis:
1. Superior Efficiency: As a superior alternative to the Parker TG series, our motors achieve excellent overall efficiency by reducing internal leakage and mechanical friction. This translates to lower operating costs and significantly extended equipment service life, making them particularly suitable for industrial sites requiring 24/7 continuous operation. 2. High Thermal Stability: The TG series motors possess excellent heat dissipation performance. Even under high loads and high ambient temperatures, the internal oil film maintains ideal viscosity, preventing performance degradation due to overheating. This makes them excellent for material handling, agricultural machinery, and drilling equipment. 3. Smooth & Low-Noise Operation: Through a precision-ground distribution plate design, we minimize cogging torque. This not only reduces vibration caused by hydraulic shock but also provides operators with a quieter working environment, making it an ideal power source for municipal sanitation and indoor automation equipment. 4. Precise Control and Response (Dynamic Response) The high torque-to-inertia ratio design allows the motor to respond instantly to load changes. In fields with extremely high positional accuracy requirements, such as robotic arms and automated production lines, FSG’s TG series motors provide a silky-smooth control experience.
Parker Hydraulic Orbit Motor TG Series Application

Frequently Asked Questions

Question: Can the FSG TG Series motor directly replace my existing Parker TG unit without any mechanical modifications to the mounting or hydraulic porting?
Answer: Absolutely. Our TG series is engineered as a precision-matched 1:1 drop-in replacement for the original Parker TG series. This means every critical dimension—including the SAE A 2-bolt or 4-bolt mounting flanges, the 34.9mm nominal shaft sizes, and the specific position of the hydraulic ports—is identical to the OEM specifications. You can seamlessly install our motor into your heavy-duty machinery, whether it’s for wheel drives or industrial winches, ensuring zero downtime for re-engineering and maintaining full performance compatibility with your existing hydraulic system.
Answer: Performance is the core of our High Torque Low Speed (LSHT) motor design. By utilizing advanced Geroller set technology, we achieve a high volumetric efficiency ($\eta_{v}$), which minimizes internal leakage even when operating at a maximum torque of 1490 Nm. The efficiency formula is central to our quality testing, ensuring that our motors deliver consistent power output and responsive control across displacements up to 960cc. This level of precision matches the rugged durability and high power density expected from top-tier brands, making it ideal for the most demanding agricultural and construction environments.
Answer: Heat dissipation is a critical pain point we solved through optimized internal fluid pathways and superior High Thermal Efficiency materials. Our TG series features specialized heavy-duty bearings and advanced oil seals that maintain their integrity even when operating at high temperatures that would normally cause thinning of the hydraulic film. This ensures that the motor maintains smooth operation and low cogging torque, preventing overheating during 24/7 continuous industrial cycles. By choosing FSG, you are investing in a motor that prevents “thermal runaway,” significantly extending the service life of both the motor and your overall hydraulic fluid system.
Answer: Excessive vibration and noise often stem from torque ripple in inferior orbital motors. Our TG series addresses this through a precision-ground distribution plate design that ensures Low Noise and Vibration. By minimizing cogging torque, we achieve exceptionally smooth motor operation, particularly at low speeds where noise is most noticeable. This not only enhances operator comfort—critical for municipal and indoor automation applications.
Answer: For multi industrial sourcing, downtime is the enemy of profitability. At FSG, we maintain a robust inventory of Wholesale Orbital Hydraulic Motors, specifically the TG series, to provide much faster dispatch than traditional OEM channels. We offer flexible Express Delivery & Payment options including DHL, FedEx, and L/C or T/T terms to suit global logistics requirements. Our mission is to bridge the supply gap by offering a reliable, high-quality alternative that is ready for immediate shipment, allowing you to resume operations in days rather than waiting months for a branded component, thus saving thousands in lost productivity.
Answer: FSG prides itself on being more than just a supplier; we are your Technical Engineering Partner. While the TG series comes with a standard range of features, we offer Customized Designs for specialized OEM projects. If you require specific shaft coatings for corrosion resistance in marine environments, or unique flange geometries for tight-clearance mounting, our technical sales team can coordinate with our production facilities to match your exact engineering drawings. Simply provide your Dimension L requirements or flow/pressure curves, and we will ensure the final product meets the precise dynamic control needs of your specialized robotics or automation equipment.

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