Displacement size from 105 -165D cc

PTO - Through-drive motor for open and closed circuit operation

In conventional drives the torque of the hydraulic motor can be transmitted to the cardan shaft only by means of a dropbox. For further optimization of the drive train Linde Hydraulics developed the PTO Through-Drive Motor. Based on the standard hydraulic motor of the Series 02 with just one shaft end, the PTO Through-Drive Motor offers two shaft ends to transmit the torque. Hence the machine designer can conceive the hydraulic motor to fit directly and immediately into the drive train thus saving mounting space. The dropbox usually needed in a conventional propulsion drive can be saved. This reduces both noise emission and fabrication cost of the entire vehicle while overall efficiency increases.
As all Linde motors they are able to provide the required torque even at low speeds and make it possible to start smoothly and sensitively.Therefore, additional gear ratios for rpm reduction are not necessary. This reduces the amout of parts going into the component and also increases the overall mechanical efficiency, minimizes windage losses as well as the noize level of the machine.
The HMV-02D double axial piston hydraulic motor is with a shaft flange also PTO-capable.


  • Two shaft-ends
  • Drop-box eliminated
  • Smaller cooler
  • Simplified drive line design (components, part numbers)
  • Fits directly into the drive line
  • No interruption of tractive effort, stepless driving
  • Increased tractive effort / direct drive
  • Improved transmission efficiency
  • Lower overall cost
  • Less fuel consumption
  • Reduced noise emissions

Technical Data

HMV-02 PTO 105 135 165 210 280
Max. displacement cc/rev 105 135.6 165.6 210 281.9
Max. operating speed at Vmax rpm 3700 3200 3100 2700 2400
Max. speed at Vmax* rpm 3800 3500 3400 3000 2700
Max. operating speed at Vmin rpm 4100 3700 3500 3200 2900
Max. speed Vmin* rpm 4700 4000 3900 3500 3200
Nominal pressure bar 450 450 450 450 450
Max. pressure** bar 500 500 500 500 500
Max. housing pressure bar 2.5 2.5 2.5 2.5 2.5
Output torque ( p=430 bar and Vmax) Nm 719 928 1133 1438 1929
Corner power (theor.)*** kW 309 360 415 482 586
Weight approx. (without oil) kg 42 56 76 101 146
* highest transient speed, that can temporarily occur
** highest transient pressure, that can temporarily occur
*** (Vmax x nmax at Vmin x ∆p 430 bar)

Sectional View

  • 1swash plate: hydrostatic bearing
  • 2piston-slipper assembly: 21° swash angle
  • 3housing: one-piece design for high rigidity
  • 4valve plate housing: highly integrated
  • 5two control pistons: servo-controlled swash plate
  • 6rotating group: continuous torque transmission from 0 rpm to max. rpm
  • 7through-drive: second shaft end for torque transmission
  • 8displacement setting from 55 to 280 cm³/rpm


Name File-Type Size  
Product Catalogue. Turning Power into Motion PDF 3.28 Mb Download
HMF/A/V/R-02 – Hydraulic motors for closed and open circuit operations PDF 1.73 Mb Download

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