Concentric Rotary Drive Systems|Axle Cooling Systems|Cooling Fan Drive Systems|Electro-hydraulic Lifting Systems|Electro-hydraulic Auxiliary Steering|Electro-hydraulic Brake Systems|Transmission Clutch Actuation & Lubrication

On-Highway

On a conventional truck or bus the hydraulic power assistance for the steering comes from an IC engine-driven pump following the engine speed. This is also the case in many off-highway applications. Typically the pump is dimensioned to give full power steering function already at idle speed of the IC engine. The pump is constantly running and consuming power from the engine. In a hybrid application where the vehicle can operate in pure electric mode, the conventional power steering system cannot be used since the IC engine is turned off during the electric mode. However, using Concentric’s EHS (Electro-Hydraulic System) system, the unit only provides the required power on demand and can still operate during the electric mode for hybrid applications.

The primary benefit of the EHS system is reduced energy consumption, achieving up to 50% in certain applications. It also fits very well into hybrid vehicles where conventional systems cannot be used. The EHS system is typically placed close to the steering gear which also means reduced installation costs.

W300

Displacement: 0.8 - 5.7cc
Max. Pressure: 230 bar (3,335 psi)
Max. Speed: up to 6000 rpm

GC

Displacement: 1.0 - 11.6cc
Max. Pressure: 275 Bar (4,000 psi)
Max. Speed: 4,000 rpm

High/Low

Displacement: 1.0 - 22.8cc
Max. Pressure: 207 Bar (3,000 psi)
Max. Speed: 4,000 rpm

Multiples

Displacement: 1 - 161cc
Max. Pressure: 275 Bar (4,000 psi)
Max. Speed: 4,000 rpm

W600

Displacement: 3 - 12cc
Max. Pressure: 276 bar (4,000 psi)
Max. Speed: 700 to 4,000 rpm

D

Displacement: 3.8 - 22.9cc
Max. Pressure: 207 bar (3,000 psi)
Max. Speed: 600 to 3,600 rpm

WQ900

Displacement: 6 - 23 cc
Max. Pressure: 230 bar (3,400 psi)
Max. Speed: 500 to 4,000 rpm

W900

Displacement: 6 - 28 cc
Max. Pressure: 276 bar (4,000 psi)
Max. Speed: 500 to 4,000 rpm

Calma Series

Displacement: 6.2 - 23.7cc
Max. Pressure: 250 Bar (3,625 psi)
Max. Speed: 4,000 rpm

F12 Ferra

Displacement: 16 - 41cc
Max. Pressure: 276 bar (4,000 psi)
Max. Speed: 3,000 rpm

F15 Ferra

Displacement: 19 - 50cc
Max. Pressure: 276 bar (4,000 psi)
Max. Speed: 3,600 rpm

W1500

Displacement: 19 - 50cc
Max. Pressure: 276 bar (4,000 psi)
Max. Speed: 500 to 3,300 rpm

F20 & F30 Ferra

Displacement: 23 - 161cc
Max. Pressure: 276 bar (4,000 psi)
Max. Speed: 3,600 rpm

F20LS/F30LS

Displacement: 23 - 161cc
Max. Pressure: 276 bar (4,000 psi)
Max. Speed: 3,600 rpm

W1200

Displacement: 25 - 33cc
Max. Pressure: 214 Bar (3,100 psi)
Max. Speed: 700 to 3,000 rpm

GC

Displacement: 1.06 - 11.65cc
Max. Pressure: 207 Bar (3,000 psi)
Max. Speed: 4,000 rpm

WM600

Displacement: 4 - 12cc
Max. Pressure: 276 bar (4,000 psi)
Max. Speed: 3,600 rpm

WM900

Displacement: 6 - 28cc
Max. Pressure: 276 bar (4,000 psi)
Max. Speed: 4,000 rpm

WM1500

Displacement: 19 - 50cc
Max. Pressure: 276 bar (4,000 psi)
Max. Speed: 3,000 rpm

F12 Ferra Motors

Displacement: 16 - 41cc
Max. Pressure: 276 bar (4,000 psi)
Max. Speed: 3,000 rpm

F15 Ferra Motors

Displacement: 19 - 50cc
Max. Pressure: 276 bar (4,000 psi)
Max. Speed: 3,600 rpm

FM20

Displacement: 23 - 87cc
Max. Pressure: 276 bar (4,000 psi)
Max. Speed: 3,600 rpm

FM30

Displacement: 58 - 161cc
Max. Pressure: 276 bar (4,000 psi)
Max. Speed: 3,000 rpm

Birotational

Displacement: 0.60 - 1.5cc
Max. Pressure: 180 Bar (2,610 psi)

Classic

Displacement: 0.80 - 5.7cc
Max. Pressure: 255 Bar (3,700 psi)

HE

Displacement: 0.8 - 6.36cc
Max. Pressure: 255 Bar (3,700 psi)

Fan Drives

Power Range: Static to 150Kw
Max. Speed: 0 to 11,000 rpm

EHS

Displacement: 5.5 - 31cc
Max. Pressure: 5Kw
Max. Speed: 500 to 2,500 rpm