About Parker Hannifin and Hydraulic Motor Technology
Parker Hannifin was founded in 1918 in Cleveland, Ohio, USA. With over 100 years of expertise in motion control and hydraulic technology, Parker Hannifin is the world’s largest manufacturer of hydraulic equipment. The corporation operates a global network of manufacturing plants and technical support centers, ensuring flexible supply and responsive after-sales service across every market.
The Parker Hannifin hydraulic motor lineup is engineered to meet the most demanding requirements in heavy industry, agriculture, construction, mining, and many other sectors. With volumetric efficiency exceeding 90%, advanced anti-cavitation technology, and the ability to operate across a wide temperature range from -40°C to +121°C, Parker Hannifin motors deliver outstanding reliability under any operating condition.
Main Parker Hannifin Hydraulic Motor Series
Parker Hannifin offers a diverse hydraulic motor portfolio, covering everything from high-speed/low-torque to low-speed/high-torque applications. Below is an overview of the key product lines.
F11/F12 Bent-Axis Piston Motors
The F11 and F12 series are high-performance bent-axis piston motors widely used in hydraulic systems that require high speed and high operating pressure. These are Parker Hannifin’s flagship products in the piston motor segment.
- Operating pressure: up to 480 bar (7,000 psi)
- Rotational speed: 2,700 to 12,000 RPM depending on frame size
- Torque: 7.8 – 384 Nm
- Flow rate: up to 650 liters/min
- Key advantages: high power density, compact design, ideal for wheel drive and winch systems
TB Series Gerotor Motors (Low Speed – High Torque)
The TB Series uses Gerotor/Geroler technology and belongs to the LSHT (Low Speed High Torque) motor category. Featuring a compact design and smooth operation even at very low speeds, TB motors are well suited for applications requiring precise motion control.
- Torque: up to 4,700 lb-in (approximately 531 Nm)
- Features: compact construction, smooth low-speed performance, easy maintenance
- Applications: conveyors, mixers, small agricultural equipment
TG Series Torqmotor
The TG Series is an upgraded version of the TB, designed for heavy-duty industrial applications that demand higher torque output and greater durability.
- Torque: up to 13,100 lb-in (approximately 1,480 Nm)
- Features: heavy load capacity, extended service life, suitable for continuous operation
- Applications: construction machinery, mining equipment, cable reeling systems
TGK Series – Ultra-High Torque Motors
The TGK series is the highest-capacity heavy-duty model in Parker Hannifin’s Torqmotor family, built for applications that demand extremely high torque and the ability to withstand high intermittent pressures.
- Torque: up to 19,000 lb-in (approximately 2,147 Nm)
- Intermittent pressure: up to 4,000 psi (276 bar)
- Applications: oil and gas drilling equipment, industrial crushers, metal forming presses
G-Series Gear Motors
The G-Series (Gear Motor) is a high-speed gear motor designed for hydraulic systems that require continuous operation with high reliability. Parker gear motors feature a simple construction, easy maintenance, and low operating costs.
- Features: high speed, stable continuous operation, rugged construction
- Applications: cooling fan drives, irrigation systems, industrial cleaning equipment