
Eaton Series 33 — hydraulic pump / motor
Eaton Series 33 is a line of heavy-duty axial piston hydraulic pumps and motors for operation in closed and open circuits at pressures up to 420 bar. The series is designed for mobile and industrial equipment with high power and reliability demands. Depending on the configuration, models in the series are used as variable displacement pumps or as fixed displacement motors.
Eaton Series 33 models
The series includes pumps and motors in several configurations for different hydraulic drive layouts.
All series are available in the Eaton hydraulics section.
Advantages Series 33
- High operating power — rated pressure up to 400 bar and peak pressure up to 420 bar ensure stable performance in the most demanding hydraulic systems
- Bent-axis cylinder block design delivers high volumetric efficiency and resistance to fluid contamination
- Wide choice of control configurations and mounting flanges enables integration into various hydraulic drive types
- Unified spare parts across adjacent models in the series simplify stock management for equipment fleets
Applications Series 33
Eaton Series 33 pumps and motors are installed in heavy construction and special-purpose equipment from manufacturers such as Caterpillar, Liebherr, Komatsu, Volvo, Terex, and Manitowoc. The series is used in tracked excavators, cranes, winch drives, concrete mixer trucks, and industrial presses with closed hydraulic circuits.
Parts and repair Series 33
Quality spare parts are available for the Eaton Series 33: cylinder blocks, shafts, pistons with slippers, valve plates, slipper retainer plates, seals, and repair kits. Parts are identified using equipment catalogues and hydraulic diagrams, ensuring accurate selection without errors.
Aspect Plus provides professional repair of Eaton Series 33 hydraulic pumps and motors: fault diagnosis, replacement of worn components, and final bench testing with confirmation that parameters have been restored to factory specifications.
Provide the equipment make or pump model — we will select the parts and prepare a quote.
