Sauer-Danfoss product overview
Hydrostatic Transmissions(HST)


 

Series 40 tandem pump with gear pumpSauer-Danfoss offers transmission solutions for off-highway vehicles, both at component and system levels. Our product range makes it possible to cover low-, medium- and high-powered applications with single and dual path propulsion drives as well as closed loop auxiliary transmissions. Electronic controls from Sauer-Danfoss can be used in a wide range of mobile applications. The Sauer-Danfoss product portfolio consists of standardized products as well as customer- and application-tailored solutions.



Hydrostatic transmission solutions

For low and medium powered vehicles such as aerial lifts, skid steer loaders, walk-behind rollers and industrial forklift trucks, and for high powered vehicles like combines, crawlers, forestry machinery and rollers, Sauer-Danfoss offers the right hydrostatic transmission solutions.



H1 - The New Generation of Hydrostatics


Optimized for electro-hydraulic control

Designed for improved operating efficiencies

Designed for short length
and compact installation
  Axial piston variable displacement single and tandem pumps
  • 7 displacements
  • 2 integral tandem displacements
  • Maximum operating pressures up to 480 bar [6962 psi]
Bent axis variable displacement motors
  • Zero degree motor angle capability
  • Electric 2-position or electric proportional control
  • Higher corner HP/package size ratio


Axial piston variable displacement single and tandem pumps
(Series 40 and 42)


  Series 42 hydrostatic variable pump
  • Robust and easily serviced
  • 7 different displacements
  • Complete family of control systems
  • Through drives for auxiliary pumps
  • Pressures up to 350 bar (5076 psi)
    for Series 40
  • Pressures up to 450 bar (6019 psi)
    for Series 42


Axial piston two-position LV-motors

 
Hydrostatic variable motor
  • 3 different displacements in one compact package
  • Short length & Compact design
  • 3:1 working displacement ratio
  • Zero displacement (degree) capability
Axial piston variable displacement pumps (Series 90)

 
  • Highest through-drive capability
  • High power
  • The most technically advanced hydraulic units in the industry
  • 6 different displacements
  • Series 90 hydrostatic variable pumpComplete family of control systems
    • manual displacement controls (MDC)
    • electrical displacement controls (EDC)
    • hydraulic displacement controls (HDC)
    • electrical automotive controls (NFPE)
  • Compact and lightweight
  • Closed circuit
  • Pressures up to 480 bar (6962 psi)



Axial piston fixed and variable displacement motors (Series 90)

 
  • Cartridge motors designed for direct installation in compact planetary drives
  • 5 sizes of fixed displacement motors in SAE-flange configuration
  • 2 sizes of fixed displacement motors in cartridge configuration
  • 2 sizes of variable displacement motors in SAE-flange and cartridge configuration
  • Variable motor with 3:1 displacement ratio
  • Variable motors available with electrohydraulic or hydraulic
    two- position control
  • Short length
  • Pressures to 480 bar (6962 psi)


Bent axis variable displacement motors (Series 51 and 51-1)

 
Series 51 hydrostatic variable motor
  • Advanced technology
  • 4 sizes in SAE, DIN ISO, and cartridge flange configurations, 60 cc/rev (3.7 cu-in/rev) to 160 cc/rev (9.8 cu-in/rev)
  • Cartridge motors designed for direct installation in compact planetary drives
  • Large displacement ratio (5:1)
  • Pressure-compensated and two-position controls available
  • Compact and lightweight
  • Speeds to 7000 rpm
  • Pressures to 480 bar (6962 psi)

Axial piston variable displacement pumps (Bamtum Duty Series)

This product is minimum-sized hydrostatic transmission applying for 3-20 PS engine power vehicle. This transmission is a combination of axial piston type variable displacement pump and fixed displacement motor. Main application is propel system for small-sized lawn care vehicles, snow blowers, and agricultural machines.
  Series 42 hydrostatic variable pump
  • Three frame sizes; 6, 10, and 21 cm3
  • Three sizes of pumps and motors in one unit
  • Easy operation with one-lever control
  • Compact, lightweight and high efficiency
  • Fan cooling system without oil cooler



Compact Drives (BM Series & BMV Series)

This product was developed mainly for compact track drives for mobile applications. It is the integrated wheel motor of Hydraulic motor and series planetary gearing. We have two types: BM type for fixed displacement motor and BMV for variable displacement.
 
  • Integrated type of hydraulic motor and planetary gear
  • Six sizes of variable and fixed axial piston motors 41 to 227 cm3 and gear boxes
    (equivalent displacement: 450cc/rev.-7500cc/rev.)
  • Parking brakes with full input torque capability
  • Compact design and high reliability



Radial Piston Motors, Cam Ring Design (DCM Series)

This product is a low-speed, high-torque motor with multi-stroke pistons. The DCM type was designed mainly for propel system of mobile.
 
  • Radial piston motor of the multi-cam design
  • High radial load capability
  • High output torque even from low speed rotation (smooth running and high efficiency even at very low speeds)
  • Choice of six displacements per size
  • Parking brakes with 130% of max. output torque


Hydraostatics Open Circuit Orbital Motors
Valves Steering Mobile Electronics
 
 
 




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