TF0280MS1V0AAAB Parker TF Torqmotor 280cc High Torque Orbital Motor

Product Overview

The TF0280MS1V0AAAB, TF0280US080AAH and TF0240NS060AAAA are precision drop-in interchangeable high-torque low-speed orbital hydraulic motors for the Parker TF Series Torqmotor™. Featuring advanced Geroler technology and patented 60:40 spline geometry, these motors deliver superior side-load capacity, high-pressure shaft seals and exceptionally smooth low-speed operation. Every unit undergoes 100% simulated operating-condition testing to guarantee identical mounting dimensions, performance curves and control characteristics to genuine Parker TF motors—ready for direct replacement in medium-duty mobile and industrial hydraulic systems requiring reliable high starting torque and long service life.

Technical Specifications 

• Models: TF0280MS1V0AAAB / TF0280US080AAH / TF0240NS060AAAA (Parker TF Series interchange)
• Geometric displacement: TF0280 series 280 cm³/rev (17.1 in³/rev); TF0240 series 238 cm³/rev (14.5 in³/rev)
• Continuous differential pressure: 138 bar (2000 PSID)
• Intermittent differential pressure: 207 bar (3000 PSID)
• Maximum supply pressure: 300 bar (4350 PSID)
• Maximum continuous speed: TF0280 334 rpm; TF0240 394 rpm
• Maximum continuous flow: 76 L/min (20 GPM); intermittent 95 L/min (25 GPM)
• Continuous torque: TF0280 509 Nm (4502 lb-in); TF0240 427 Nm (3782 lb-in)
• Intermittent torque: TF0280 794 Nm (7029 lb-in); TF0240 670 Nm (5928 lb-in)
• Minimum starting torque (continuous): approx. 438 Nm (TF0280); approx. 366 Nm (TF0240)
• Maximum output power: approx. 27.7–27.8 kW (37.1–37.3 HP)
• Typical mountings: Magneto (M), Wheel Standard (U), etc.; shafts include 1-1/4″ keyed or tapered
• Ports: 7/8-14 SAE and equivalents
• Weight: approx. 15–17 kg depending on flange/mount
• Control: Standard bidirectional rotation (reverse-timed manifold options available)

Key Technical Advantages

1. Patented 60:40 spline geometry with continuous oil flushing: Internal splines are continuously bathed in cool fluid, delivering exceptional torsional strength and wear resistance under high side loads.
2. High volumetric efficiency and ultra-smooth low-speed performance: Roller vanes combined with sealed commutation maintain high efficiency and shock-free output even at very low speeds, with starting torque close to theoretical values.
3. High-pressure shaft seal and case-drain-free design: Shaft seals withstand full system pressure; optimized internal flow eliminates the need for a separate case drain, simplifying plumbing and reducing leak points.
4. Precision manufacturing and long-life bearing system: High-accuracy machining of critical surfaces, premium bearings and wear-resistant materials ensure outstanding durability and low noise under continuous and intermittent high-pressure duty.

Application Areas

Agricultural machinery (augers, conveyors, harvester drives), construction equipment (compact excavator/loader propulsion and swing, trenchers), forestry machines, material-handling and sweeper wheel drives, winches and chain drives, vehicle propulsion systems, and fixed industrial hydraulic installations requiring medium torque with reliable low-speed high-torque output.

Expert Maintenance Tips

Verify exact flange and shaft configuration match the original machine (Magneto, Wheel, etc.) before installation. Use clean hydraulic fluid with adequate filtration (β10 ≥ 75 recommended). Fully bleed the system prior to first operation to avoid dry running. Periodically inspect shaft and port seals; observe maximum side-load limits (approx. 16 000 N for flange mounts). Maintain oil temperature within recommended range and limit intermittent high-pressure operation to no more than 10% of total running time. For long-term storage, protect against corrosion and seal all ports.