Hydreco (formerly David Brown Hydraulics) Gear Pumps

A compact, cost-effective, low noise high pressure gear pump, from the Hydreco (David Brown Hydraulics) Q Series. Suitable for a wide range of mobile applications and OEM machinery.

Displacements:                  16 to 240 cm3/rev

Max. Operating Pressure: 280 bar (4060 psi)

Max Operating Speed:      3000 rev/min.

Hydra-Perm is an UK distributor of the Hydreco (formerly David Brown Hydraulics) Q series hydraulic gear pumps, which can be supplied to you locally or internationally.

The Hydreco range we can supply to you, consists of the low noise spur gear QR series and the very low noise helical gear QS series for noise critical applications.

The cast iron construction and steel gears of this series of Hydreco pumps, increases the longevity of the product and are suitable for the most robust mobile applications.

Please see below our products from the Hydreco Q Series

(At the bottom of the page, there is information regarding Hydreco OEM aftermarket pump solutions we can offer, previously known as the old Hamworthy series)

QR Series

The QR Series Hydreco gear pumps are purposely built with spur gears to reduce the noise production from these pumps and still withhold very high efficiency, which in return will further reduce your costs.   The QR series is built from stock and tested in our factory, allowing fast lead times and ensuring the highest quality for to you.
QR4 Series, QR4 Series
Basic Info
Displacement cc/rev: 16 - 60
Max PSI / BAR: 4060 / 280 BAR
RPM: 450 - 3000
More Info
QR5 Series, QR5 Series
Basic Info
Displacement cc/rev: 45 - 120
Max PSI / BAR: 4060 / 280
RPM: 450 - 3000
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QR6 Series, QR6 Series
Basic Info
Displacement cc/rev: 100 - 220
Max PSI / BAR: 4060 / 280
RPM: 450 - 2750
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QS Series

Have a very noise critical application? Then the QS series David Brown Pumps are perfect for you, as the patented helical gears of the gear pump, lower the noise production a further 75% than the QR series, but still retain the same important high efficiency.
QS4 Series, QS4 Series
Basic Info
Displacement cc/rev: 16 - 40.6
Max PSI / BAR: 4060 / 280
RPM: 450 - 3000
More Info
QS5 Series, QS5 Series
Basic Info
Displacement cc/rev: 43.5 - 82.2
Max PSI / BAR: 4060 / 280
RPM: 450 - 3000
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QS6 Series, QS6 Series
Basic Info
Displacement cc/rev: 80.3 - 149.9
Max PSI / BAR: 4060 / 280
RPM: 450 - 3000
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QS7 Series, QS7 Series
Basic Info
Displacement cc/rev: 149.9 - 239.8
Max PSI / BAR: 4060 / 280
RPM: 450 - 3000
More Info

Hydreco (Formerly David Brown Hydraulics) Aftermarket gear pumps

We also can supply a range of Hydreco aluminium and cast iron gear motors as aftermarket solutions (also known as the old Hamworthy / Warynski series), which are suited to a range of OEM applications, from OEM's such as Terex, Demag, JCB, McCLoskey and more. Please find the popular models we usually stock or order in from time to time. If you can't find the motor you require, please use the CONTACT US page to make an enquiry, as we can also order these motors in.
X1A50335033/134404/4C, X1A50335033/134404/4C
Basic Info
Displacement cc/rev: 32.3 / 32.3
Max PSI / BAR: 3625 / 250
RPM: 450 - 3000
More Info
Hydreco X1A50235023/184901/1A
Basic Info
Displacement cc/rev: 23 / 23
Max PSI / BAR: 3625 / 250
RPM: 450 - 3000
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X1A5041Q51A3F3DC
Basic Info
Displacement cc/rev: 41
Max PSI / BAR: 3625 / 250
RPM: 450 - 3000
More Info
X1A50465033/124002/1C, X1A50465033/124002/1C
Basic Info
Displacement cc/rev: 46 / 33
Max PSI / BAR: 3625 / 250
RPM: 450 - 3000
More Info
X1A503350335026/134406/2C, X1A503350335026/134406/2C
Basic Info
Displacement cc/rev: 33 / 33 / 26
Max PSI / BAR: 4060 / 280
RPM: 450 - 3000
More Info
X1A5041F21A3F3DA, X1A5041F21A3F3DA
Basic Info
Displacement cc/rev: 41
Max PSI / BAR: 4060 / 280
RPM: 450 - 3000
More Info
X1A50235023A2014/181705/1A, X1A50235023A2014/181705/1A
Basic Info
Displacement cc/rev: 23 / 23
Max PSI / BAR: 4060 / 280
RPM: 450 - 3000
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X1A5027B21A3D3BA, X1A5027B21A3D3BA
Basic Info
Displacement cc/rev: 27
Max PSI / BAR: 4060 / 280
RPM: 450 - 3000
More Info
X1A50365036H32A1K3BOX3BC, X1A50365036H32A1K3BOX3BC
Basic Info
Displacement cc/rev: 36 / 36
Max PSI / BAR: 4060 / 280
RPM: 450 - 3000
More Info
X1A503650365036, X1A503650365036
Basic Info
Displacement cc/rev: 36 / 36 / 36
Max PSI / BAR: 4060 / 280
RPM: 450 - 3000
More Info
X1A50235023-147302-4C, X1A50235023-147302-4C
Basic Info
Displacement cc/rev: 23 / 23
Max PSI / BAR: 4060 / 280
RPM: 450 - 3000
More Info
X1A504650335033/124003/1C, X1A504650335033/124003/1C
Basic Info
Displacement cc/rev: 46 / 33 / 33
Max PSI / BAR: 4060 / 280
RPM: 450 - 3000
More Info
X1A5046-162704-1A, X1A5046-162704-1A
Basic Info
Displacement cc/rev: 46
Max PSI / BAR: 4060 / 280
RPM: 450 - 3000
More Info
X1A50235029/162706-1A, X1A50235029/162706-1A
Basic Info
Displacement cc/rev: 23 / 29
Max PSI / BAR: 4060 / 280
RPM: 450 - 3000
More Info
X1A5-5-5-184903-2C, X1A5-5-5-184903-2C
Basic Info
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X1A5056C41A1H3DA, X1A5056C41A1H3DA
Basic Info
Displacement cc/rev: 56
Max PSI / BAR: 3700 / 255
RPM: 450 - 3000
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PC1911-165506-1C, PC1911-165506-1C
Basic Info
Displacement cc/rev: 51.8
Max PSI / BAR: 3625 / 250
RPM: 600 - 2700
More Info
PA1911R5B29D, PA1911R5B29D
Basic Info
Displacement cc/rev: 51.8
Max PSI / BAR: 3625 / 250
RPM: 600 - 2700
More Info
P2B1613B1E5C, P2B1613B1E5C
Basic Info
Displacement cc/rev: 31.6
Max PSI / BAR: 2248 / 155
RPM: 500 - 2700
More Info
S1A5060C41A1H3DA, S1A5060C41A1H3DA
Basic Info
Displacement cc/rev: 58
Max PSI / BAR: 4060 / 280
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2SPA22S-134405-1A, 2SPA22S-134405-1A
Basic Info
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2SPA22/103605/2A, 2SPA22/103605/2A
Basic Info
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3SPA33+A22S-134454-1A, 3SPA33+A22S-134454-1A
Basic Info
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2SPA22-165302-1C, 2SPA22-165302-1C
Basic Info
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2SPG16SSAEA14G/C1A2016A13A, 2SPG16SSAEA14G/C1A2016A13A
Basic Info
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