125 GPM Duplex Pumps For Sale

We have a large stock of Double-Acting Duplex Pumps that are used for various applications such as fluid (including heavy oil) transfers in pipelines, mud pumping, cement pumping, water well drilling etc. in the Oil & Gas, Agriculture, Mining, Municipal & Manufacturing sectors. Duplex Pumps have two cylinders and are capable of handling different pressures, volumes and flow rates. We supply new, used and refurbished API 674 Double Acting Duplex Pumps of all leading manufacturers including Gaso, Wheatley, Gardner Denver, National & Oilwell.

15 Items Found   •   Showing 50 Per Page

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1 of 27
Used WABCO (same as Failing) L-100 CA Duplex Pump Complete Pump

Used WABCO L-100 CA slush pump with the following features: • 5" stroke • 22 HP • Ductile iron fluid end • 4.5" plungers • suction connection • discharge connection • Weight • Dims

1 of 27
  • 22 HP
  • 400 RPM
  • 120 GPM
  • 800 PSI
  • Stock No: 55208
Positive Displacement Pump Reciprocating Pump
120
800
400
22
1 of 20
Used Gaso 1849 Duplex Pump

Used Gaso 1849 double acting duplex pump with the following features: • 6" stroke • 31 HP • Ductile iron fluid end • capable of 32gpm @ 900 psi with 2 1/2" pistons or 88gpm @ 350psi with 4" pistons • suction connection • discharge connection • 5.1 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

1 of 20
  • 31 HP
  • 100 RPM
  • 125 GPM
  • 900 PSI
  • Ratio: 5.1000
  • Stock No: 57346
Positive Displacement Pump Reciprocating Pump
125
900
100
31
5.1000
1 of 5
Used Fairbanks Morse 6182 Duplex Pump

Used Fairbanks Morse 6182 bare duplex pump with the following features: • 6" stroke • 20 HP • Ductile iron fluid end • Capable of 33 gpm @ 1000 psi @ 75 rpm with 2 1/2" pistons or 119 gpm @ 380 psi @ 75 rpm with 4 1/2" pistons • with sheave • with piping • suction connection • discharge connection • Last used in crude oil service • Weight • Dims

1 of 5
  • 20 HP
  • 75 RPM
  • 119 GPM
  • 1000 PSI
  • Stock No: 54448
Positive Displacement Pump Reciprocating Pump
119
1000
75
20
1 of 9
Used Gardner Denver FF-FXF Duplex Pump Parts or Partial Pump for Parts

Used 2 1/2 - 4 x 5 duplex, bare shaft parts pump, capable of 43gpm @ 639psi @ 110rpm with 2 1/2" pistons or 115gpm @ 250psi @ 110rpm with 4" pistons

1 of 9
  • 19 HP
  • 110 RPM
  • 115 GPM
  • 639 PSI
  • Stock No: 55021
Positive Displacement Pump Reciprocating Pump
115
639
110
19
1 of 12
Used Wheatley 1024 Duplex Pump Complete Pump

2-4 x 6 duplex mud pump

1 of 12
  • 40 HP
  • 100 RPM
  • 126 GPM
  • 1860 PSI
  • Ratio: 4.4160
  • Stock No: 51278
Positive Displacement Pump Reciprocating Pump
126
1860
100
40
4.4160
1 of 9
Used Gaso 1849 Duplex Pump Complete Pump

Used Gaso 1849 duplex pump with the following features: • 6" stroke • 31 HP • Ductile iron fluid end • Capable of 32 gpm @ 900 psi @ 70 rpm with 2 1/2" pistons or 88 gpm @ 350 psi @ 70 rpm with 4" pistons • missing rods only • with sheave • suction connection • discharge connection • 5.1 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

1 of 9
  • 31 HP
  • 100 RPM
  • 125 GPM
  • 900 PSI
  • Ratio: 5.1000
  • Stock No: 54340
Positive Displacement Pump Reciprocating Pump
125
900
100
31
5.1000
1 of 9
Used Gaso 1849 Duplex Pump Complete Pump

Used duplex pump, 2 1/2 - 4 x 6

1 of 9
  • 31 HP
  • 100 RPM
  • 125 GPM
  • 900 PSI
  • Ratio: 5.1000
  • Stock No: 54275
Positive Displacement Pump Reciprocating Pump
125
900
100
31
5.1000
1 of 5
Used Gaso 1849 Duplex Pump Complete Pump

Used 2 1/2 - 4 x 6 duplex pump missing two valve caps and one head cap only

1 of 5
  • 31 HP
  • 100 RPM
  • 125 GPM
  • 900 PSI
  • Ratio: 5.1000
  • Stock No: 52227
Positive Displacement Pump Reciprocating Pump
125
900
100
31
5.1000
1 of 10
Used Gaso 1849 Duplex Pump Fluid End Only

Used Gaso 1849 duplex pump fluid end only with the following features: • 6" stroke • 31 HP • Ductile iron fluid end • capable of 32 gpm @ 900 psi @ 70 rpm with 2 1/2" pistons or 88 gpm @ 350 psi @ 70 rpm with 4" pistons • suction connection • discharge connection • Last used in crude oil service • Weight • Dims

1 of 10
  • 31 HP
  • 100 RPM
  • 125 GPM
  • 900 PSI
  • Ratio: 5.1000
  • Stock No: 54211
Positive Displacement Pump Reciprocating Pump
125
900
100
31
5.1000
1 of 3
Used Gaso 1800 Duplex Pump Power End Only

Used duplex power end only for parts

1 of 3
  • 31 HP
  • 100 RPM
  • 125 GPM
  • 900 PSI
  • Ratio: 5.1000
  • Stock No: 53394
Positive Displacement Pump Reciprocating Pump
125
900
100
31
5.1000
1 of 4
Used Gaso 1849 Duplex Pump Fluid End Only

Used Gaso 1849 duplex pump fluid end only with the following features: • 6" stroke • 31 HP • Ductile iron fluid end • capable of 32 gpm @ 900 psi with 2 1/2" pistons or 88 gpm @ 350 psi with 4" pistons • suction connection • discharge connection • Weight • Dims

1 of 4
  • 31 HP
  • 100 RPM
  • 125 GPM
  • 900 PSI
  • Ratio: 5.1000
  • Stock No: 55925
Positive Displacement Pump Reciprocating Pump
125
900
100
31
5.1000
1 of 6
Used Gaso 1849 Duplex Pump Fluid End Only

Used Gaso 1849 duplex pump fluid end only with the following features: • 6" stroke • 31 HP • Ductile iron fluid end • capable of 32 gpm @ 900 psi with 2 1/2" pistons or 88 gpm @ 350 psi with 4" pistons • suction connection • discharge connection • Weight • Dims

1 of 6
  • 31 HP
  • 100 RPM
  • 125 GPM
  • 900 PSI
  • Ratio: 5.1000
  • Stock No: 55926
Positive Displacement Pump Reciprocating Pump
125
900
100
31
5.1000
1 of 24
Used Gardner Denver FXO-FXO Duplex Pump Complete Pump

Used Gardner Denver duplex pump with the following features: • 10" stroke • 96 HP • Cast iron fluid end • 5" pistons • Spherical valves • 4" NPT 300# suction connection • 3" NPT 2500# discharge connection • Last used in water pipeline service, would be excellent for sweet or sour crude pipeline service as well. • Weight • Dims

1 of 24
  • 96 HP
  • 268 RPM
  • 124 GPM
  • 1500 PSI
  • Stock No: 59313
Positive Displacement Pump Reciprocating Pump
124
1500
268
96
1 of 23
Used Gaso 1849 Duplex Pump Package

Used complete Gaso 1849 duplex pump with the following features: • 6" stroke • 31 HP • Steel fluid end • Plungers • Spherical valves • 4" 150lb suction connection • 2" 600lb discharge connection • 5.1 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

1 of 23
  • 31 HP
  • 100 RPM
  • 125 GPM
  • Ratio: 5.1000
  • Stock No: 58694
Positive Displacement Pump Reciprocating Pump
125
100
31
5.1000
1 of 12
Used Wheatley Similar to a 7024 Duplex Pump Complete Pump

Used Wheatley Similar to a 7024 duplex pump with the following features: • 6" stroke • Ductile iron fluid end • capable of 28 gpm @ 1860 psi with 2" pistons or 126 gpm @ 466 psi with 4" pistons • suction connection • discharge connection • Weight • Dims

1 of 12
  • 126 GPM
  • 466 PSI
  • Stock No: 58438
Positive Displacement Pump Reciprocating Pump
126
466