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HYDRAULIC PUMPS
GEAR & TWO STAGE PUMPS
Concentric™/Haldex™ Gear Pumps (GC Series) - 1/2” Dia. Keyed Shaft
Concentric G.C. Series Hydraulic Pumps are compact, external gear models for use in plumbing fluids with lubricating qualities.
Suitable for use in a wide variety of material handling, agricultural, and construction equipment in addition to machine tools,
robotics, and other types of machinery. Designed to provide reliable, long life service under rugged conditions, G.C. Series pumps
are built with cast iron bodies and hardened steel gears. Similar to MTE “D” series and Sauer-Danfoss Webster YB series.
Part
No.
Rota-
tion
C.I.D. GPM
@ 1800
GPM
@ 3600
Max
RPM
Max
PSI
Port Size
(side)
Mounting MSRP 15%
OFF
250055 DUAL 0.065 0.5 1 4000 3000 SAE 6 4-Bolt (1.78’’ Dia pilot) $192.00 $163.20
250056 DUAL 0.097 0.75 1 4000 3000 SAE 6 4-Bolt (1.78’’ Dia pilot) $192.00 $163.20
250057 DUAL 0.129 1 2 4000 3000 SAE 8 4-Bolt (1.78’’ Dia pilot) $213.00 $181.05
250058 DUAL 0.194 1.5 3 4000 3000 SAE 8 4-Bolt (1.78’’ Dia pilot) $213.00 $181.05
250059 DUAL 0.258 2 4 4000 2300 SAE 8 4-Bolt (1.78’’ Dia pilot) $227.00 $192.95
250060 DUAL 0.388 3 6 2500 1600 SAE 10 4-Bolt (1.78’’ Dia pilot) $242.00 $205.70
250061 DUAL 0.517 4 8 2000 1200 SAE 10 4-Bolt (1.78’’ Dia pilot) $255.00 $216.75
CHIEF™ Two Stage Pumps
Compact, two-stage, external gear pumps designed for use at elevated pressures. Ideal for press-
type applications requiring fast approach/retract speeds and slower peak actuator work speeds due to
horsepower limitations or safety constraints. Rotation is clockwise viewed from the shaft end. 1/2’’ shafts
use 404 woodruff key. 5/8’’ shafts use 3/16”. 4,000 RPM max. Maximum pressure of 3,000 PSI.
Part
No.
HP
Input
Max
GPM
Mount-
ing
Inlet Port Outlet
Port
Recomm.
Cyl. Bore
Shaft Dia.
x Length
MSRP 15% OFF
250095 5 5 4-Bolt 1/2’’ NPT 1/2’’ NPT 3.5‘’ 1/2 x 1 1/2 $182.00 $154.70
250096 5 7 4-Bolt 1/2’’ NPT 1/2’’ NPT 3.5‘’ 1/2 x 1 1/2 $176.00 $149.60
250097 5 9 4-Bolt 1/2’’ NPT 1/2’’ NPT 3.5‘’ 1/2 x 1 1/2 $182.00 $154.70
250098 6 11 4-Bolt 1/2’’ NPT 1/2’’ NPT 4‘’ 1/2 x 1 1/2 $187.00 $158.95
250092 6 11 4-Bolt 1’’ tube 1/2’’ NPT 4‘’ 1/2 x 1 1/2 $135.00 $114.75
250093 7 13 4-Bolt 1’’ tube 1/2’’ NPT 4‘’ 1/2 x 1 1/2 $178.00 $151.30
250094 8 16 4-Bolt 1’’ tube 1/2’’ NPT 4‘’ 1/2 x 1 1/2 $193.00 $164.05
252429 16 22 2-Bolt A 1” Tube 1/2” NPT 5” 5/8 x 1 1/2 $327.00 $277.95
252211 12 22 2-Bolt A 1’’ NPT 3/4’’ NPT 5‘’ 5/8 x 1 1/2 $327.00 $277.95
252212 16 28 2-Bolt A 1’’ NPT 3/4’’ NPT 5‘’ 5/8 x 1 1/2 $433.00 $368.05
252434 16 28 2-Bolt A 1” NPT 3/4” NPT 5” 5/8 x 1 1/2 $433.00 $368.05
Concentric™ Two-Stage Pump
Compact, two-stage, external gear pumps designed for use at elevated pressures. Ideal for press-type applications requiring
fast approach/retract speeds and slower peak actuator work speeds due to horsepower limitations or safety constraints. 1/2’’
shafts use 404 woodruff key. 5/8’’ shafts use 3/16’’ x 1’’ straight key. 4,000 RPM max. Maximum pressure of 3,000 PSI.
Part No. HP
Input
Max
GPM
Rota-
tion
Mount-
ing
Inlet Port Outlet
Port
Drive
Shaft Req.
Recomm.
Cyl. Bore
MSRP 15%
OFF
249005 5 5 CW 4-Bolt 1/2’’ NPT 1/2’’ NPT 1/2 x 1 1/2 3 1/2 ‘’ $212.00 $180.20
249007 5 7 CW 4-Bolt 1/2’’ NPT 1/2’’ NPT 1/2 x 1 1/2 3 1/2 ‘’ $212.00 $180.20
249009 5 9 CW 4-Bolt 1/2’’ NPT 1/2’’ NPT 1/2 x 1 1/2 3 1/2 ‘’ $212.00 $180.20
250004 6 11 CW 4-Bolt 1/2’’ NPT 1/2’’ NPT 1/2 x 1 1/2 4‘’ $256.00 $217.60
250011 6 11 CW 4-Bolt 1’’ tube 1/2’’ NPT 1/2 x 1 1/2 4‘’ $284.00 $241.40
250014 7 13 CW 4-Bolt 1’’ tube 1/2’’ NPT 1/2 x 1 1/2 4‘’ $238.00 $202.30
250012 8 16 CW 4-Bolt 1’’ tube 1/2’’ NPT 1/2 x 1 1/2 4‘’ $306.00 $260.10
250003 6 11 CCW 4-Bolt 1/2’’ NPT 1/2’’ NPT 1/2 x 1 1/2 4‘’ $269.00 $228.65
250022 12 22 CW 2-Bolt A 1’’ NPT 3/4’’ NPT 5/8 x 1 1/2 5‘’ $493.00 $419.05
250028 16 28 CW 2-Bolt A 1’’ NPT 3/4’’ NPT 5/8 x 1 1/2 5‘’ $607.00 $515.95