300 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.

13 Items Found   •   Showing 50 Per Page

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1 of 22
Used Gaso 1740 Duplex Pump Complete Pump

Used 2 1/2 - 5 x 10 complete pump on skid with 50hp electric motor, 4" suction, old style fluid end, capable of 59gpm@ 1750psi @ 85rpm with 2 1/2" pistons or 336gpm @ 550psi @ 85rpm with 5 1/2" pistons

1 of 22
  • 120 HP
  • 85 RPM
  • 275 GPM
  • 1750 PSI
  • Ratio: 5.8460
  • Stock No: 56262
Positive Displacement Pump Reciprocating Pump
275
1750
85
120
5.8460
1 of 21
Used Gaso 1740 Duplex Pump Complete Pump

Used 2 1/2 - 5 x 10 complete pump, 4" suction, old stlye fluid end, capable of 59gpm @ 1750psi @ 85rpm with 2 1/2" pistons or 336gpm @ 550psi @ 85rpm with 5 1/2" pistons

1 of 21
  • 120 HP
  • 85 RPM
  • 275 GPM
  • 1750 PSI
  • Ratio: 5.8460
  • Stock No: 54670
Positive Displacement Pump Reciprocating Pump
275
1750
85
120
5.8460
1 of 8
Used Gaso 1563 Duplex Pump Complete Pump

Used Gaso 1563 duplex pump with the following features: • 10" stroke • 69 HP • Aluminum bronze fluid end • capable of 65 gpm @ 144 0psi with 2 1/2" pistons or 282 gpm @ 380 psi with 5" pistons • suction connection • discharge connection • 5.92 (integral or pinion or eternal gear box) gear ratio • on skid with sheave • Weight 3,705 lbs • Dims

1 of 8
  • 69 HP
  • 85 RPM
  • 282 GPM
  • 1440 PSI
  • Ratio: 5.9200
  • Stock No: 54022
Positive Displacement Pump Reciprocating Pump
282
1440
85
69
5.9200
1 of 15
Used Wheatley 2150A Duplex Pump

Used Wheatley 2150A duplex production pump with the following features: • 10 1/8" stroke • 130 HP • Duplex stainless steel fluid end • 3" pistons • 4" ASA 150# suction connection • 3" ASA 600# discharge connection • 5.64 (integral or pinion or eternal gear box) gear ratio • Packaged on skid with belt drive with 100 hp TEFC electric motor, capable of 105 gpm @ 1768 psi @ 100 rpm with 3" pistons or 294 gpm @ 637 psi @ 91 rpm with 5" pistons • Weight • Dims

1 of 15
  • 130 HP
  • 100 RPM
  • 294 GPM
  • 1768 PSI
  • Ratio: 5.6400
  • Stock No: 57818
Positive Displacement Pump Reciprocating Pump
294
1768
100
130
5.6400
1 of 21
Used Gardner Denver FXD Duplex Pump Power End Only

Used Gardner Denver FXD duplex pump power end only with the following features: • 10" stroke • 109 HP • 6:1 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

1 of 21
  • 109 HP
  • 85 RPM
  • 276 GPM
  • 1500 PSI
  • Ratio: 6.0000
  • Stock No: 54460
Positive Displacement Pump Reciprocating Pump
276
1500
85
109
6.0000
1 of 20
Used Gardner Denver FXD Duplex Pump Power End Only

Used Gardner Denver FXD duplex pump power end only with the following features: • 10" stroke • 109 HP • 6:1 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

1 of 20
  • 109 HP
  • 85 RPM
  • 276 GPM
  • 1500 PSI
  • Ratio: 6.0000
  • Stock No: 54271
Positive Displacement Pump Reciprocating Pump
276
1500
85
109
6.0000
1 of 7
Used Gardner Denver FXD Duplex Pump Power End Only

Power end only with bad gears.

1 of 7
  • 109 HP
  • 85 RPM
  • 276 GPM
  • 1500 PSI
  • Ratio: 6.0000
  • Stock No: 53439
Positive Displacement Pump Reciprocating Pump
276
1500
85
109
6.0000
1 of 3
Used Gaso 1550 Duplex Pump Fluid End Only

Used, old style duplex fluid end only, capable of 65gpm @ 1440psi @ 85rpm with 2 1/2" pistons or 281gpm @ 380psi @ 85rpm with 5" pistons

1 of 3
  • 69 HP
  • 85 RPM
  • 281 GPM
  • 1440 PSI
  • Stock No: 56850
Positive Displacement Pump Reciprocating Pump
281
1440
85
69
1 of 5
Used Gaso 1550 Duplex Pump Fluid End Only

Used fluid end only - 2 1/2 - 5 x 10 fluid end with caps, capable of 65gpm @ 1440psi with 2 1/2" pistons or 281gpm @ 380psi with 5" pistons

1 of 5
  • 69 HP
  • 85 RPM
  • 282 GPM
  • 1440 PSI
  • Ratio: 5.9200
  • Stock No: 54510
Positive Displacement Pump Reciprocating Pump
282
1440
85
69
5.9200
1 of 10
Used Wheatley 2050 Duplex Pump

2 1/2 to 5x10 power frame only with broken fluid end, crank removed, capable of 77gpm @ 1732psi with 2.5" pistons or 310gpm @ 433psi with 5" pistons

1 of 10
  • 70 HP
  • 90 RPM
  • 310 GPM
  • 1732 PSI
  • Stock No: 52064
Positive Displacement Pump Reciprocating Pump
310
1732
90
70
1 of 12
Used Gaso 1740 Duplex Pump Complete Pump

Used NOV 1740 duplex pump with the following features: • 10" stroke • 120 HP • Flat gasket fluid end • capable of 171 gpm @ 1040 psi @ 85 rpm with a 4" piston and 637 gpm @ 295 psi @ 85 rpm with a 7 1/2" piston • 6" suction connection • 4" discharge connection • 5.846 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

1 of 12
  • 120 HP
  • 85 RPM
  • 275 GPM
  • 665 PSI
  • Ratio: 5.8460
  • Stock No: 57123
Positive Displacement Pump Reciprocating Pump
275
665
85
120
5.8460
1 of 28
Used Oilwell 510-P Duplex Pump

Used Oilwell 510-P duplex pump with the following features: • 10" stroke • 120 HP • Cast steel fluid end • 5" pistons and liners • 4" 300 lb suction connection • 3" 300 lb discharge connection • 5.05 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

1 of 28
  • 120 HP
  • 85 RPM
  • 275 GPM
  • 1500 PSI
  • Ratio: 5.0500
  • Stock No: 58668
Positive Displacement Pump Reciprocating Pump
275
1500
85
120
5.0500
1 of 16
Used Oilwell 510-P Duplex Pump

Used Oilwell 510-P duplex pump fluid end only with the following features: • 10" stroke • 120 HP • Duplex stainless steel fluid end • Plungers • 6" 300lb suction connection • 3" 600lb discharge connection • Weight • Dims

1 of 16
  • 120 HP
  • 85 RPM
  • 275 GPM
  • 1500 PSI
  • Ratio: 5.0500
  • Stock No: 58675
Positive Displacement Pump Reciprocating Pump
275
1500
85
120
5.0500