900 PSI 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.

31 Items Found   •    Showing 20 Items Per Page

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SOLD: Used Gardner Denver FXN Duplex Pump Complete Pump

Used 4 - 7 1/2" x 14 duplex mud pump, capable of 200gpm @ 3000psi with 4" pistons or 775gpm @ 940psi with 7 1/2" pistons, on skid with Cat D343

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  • 500 HP
  • 75 RPM
  • 775 GPM
  • 940 PSI
  • Ratio: 4.7700
  • Stock No: 58276
Positive Displacement Pump Reciprocating Pump
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Used Gardner Denver FG-FXG-F Duplex Pump Power End Only

Used Gardner Denver FG-FXG-F duplex production pump power end only with the following features: • 6" stroke • 42 HP • Weight • Dims

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  • 42 HP
  • 75 RPM
  • 200 GPM
  • 895 PSI
  • Stock No: 56706
Positive Displacement Pump Reciprocating Pump
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Used Gaso 1849 Duplex Pump Complete 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 gear ratio • Weight • Dims

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  • 31 HP
  • 100 RPM
  • 125 GPM
  • 900 PSI
  • Ratio: 5.1000
  • Stock No: 57346
Positive Displacement Pump Reciprocating Pump
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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 gear ratio • Weight • Dims

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

Used Gaso 1849 duplex production pump with the following features: • 6" stroke • 31 HP • Ductile iron fluid end • Pistons • Missing pinion cap • No sheave, missing both head caps • 4" suction connection • 2" discharge connection • 5.1 gear ratio • Weight 1,960 lbs • Dims

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  • 31 HP
  • 100 RPM
  • 125 GPM
  • 900 PSI
  • Ratio: 5.1000
  • Stock No: 54275
Positive Displacement Pump Reciprocating Pump
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Used Wheatley 535 Duplex Pump Complete Pump

Used Wheatley 535 duplex pump with the following features: • 5" stroke • 15HP • Ductile iron fluid end • capable of 23.8 gpm @ 854 psi @ 100 rpm with 2" pistons or 80 gpm @ 260 psi @ 100 rpms with 3 1/2" pistons • 2.5" NPT 800# suction connection • 2" NPT 800# discharge connection • 4.933 gear ratio • Weight • Dims

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  • 15 HP
  • 100 RPM
  • 80 GPM
  • 854 PSI
  • Ratio: 4.9330
  • Stock No: 55259
Positive Displacement Pump Reciprocating Pump
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Used Wheatley 535 Duplex Pump Complete Pump

Used Wheatley 535 duplex pump with the following features: • 5" stroke • 15HP • Ductile iron fluid end • capable of 23.8 gpm @ 854 psi @ 100 rpm with 2" pistons or 80 gpm @ 260 psi @ 100 rpms with 3 1/2" pistons • 2.5" NPT 800# suction connection • 2" NPT 800# discharge connection • 4.933 gear ratio • Weight • Dims

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  • 15 HP
  • 100 RPM
  • 80 GPM
  • 854 PSI
  • Ratio: 4.9330
  • Stock No: 55260
Positive Displacement Pump Reciprocating Pump
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Used Wheatley 535 Duplex Pump Complete Pump

Used Wheatley 535 duplex pump with the following features: • 5" stroke • 15HP • Ductile iron fluid end • capable of 23.8 gpm @ 854 psi @ 100 rpm with 2" pistons or 80 gpm @ 260 psi @ 100 rpms with 3 1/2" pistons • 2.5" NPT 800# suction connection • 2" NPT 800# discharge connection • 4.933 gear ratio • Weight • Dims

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  • 15 HP
  • 100 RPM
  • 80 GPM
  • 854 PSI
  • Ratio: 4.9330
  • Stock No: 55264
Positive Displacement Pump Reciprocating Pump
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Used Wheatley 535 Duplex Pump Complete Pump

Used Wheatley 535 duplex pump package with the following features: • 5" stroke • 15 HP • Ductile iron fluid end • Plungers • 2.5" NPT suction connection • 2" NPT discharge connection • Packaged on skid with 10 hp explosion proof electric motor, capable of 23.8 gpm @ 854 psi @ 100 rpm with 2" pistons or 80 gpm @ 260 psi @ 100 rpms with 3 1/2" pistons • Weight 800 lbs • Dims

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  • 15 HP
  • 100 RPM
  • 80 GPM
  • 854 PSI
  • Ratio: 4.9330
  • Stock No: 55143
Positive Displacement Pump Reciprocating Pump
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Used Wheatley 535 Duplex Pump Complete Pump

Used Wheatley 535 duplex pump with the following features: • 5" stroke • 15HP • Ductile iron fluid end • capable of 23.8 gpm @ 854 psi @ 100 rpm with 2" pistons or 80 gpm @ 260 psi @ 100 rpms with 3 1/2" pistons • 2.5" NPT 800# suction connection • 2" NPT 800# discharge connection • 4.933 gear ratio • Weight • Dims

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  • 15 HP
  • 100 RPM
  • 80 GPM
  • 854 PSI
  • Ratio: 4.9330
  • Stock No: 55019
Positive Displacement Pump Reciprocating Pump
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Used Wheatley 535 Duplex Pump Complete Pump

Used Wheatley 535 duplex pump with the following features: • 5" stroke • 15HP • Ductile iron fluid end • capable of 23.8 gpm @ 854 psi @ 100 rpm with 2" pistons or 80 gpm @ 260 psi @ 100 rpms with 3 1/2" pistons • 2.5" NPT 800# suction connection • 2" NPT 800# discharge connection • 4.933 gear ratio • Weight • Dims

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  • 15 HP
  • 100 RPM
  • 80 GPM
  • 854 PSI
  • Ratio: 4.9330
  • Stock No: 54898
Positive Displacement Pump Reciprocating Pump
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Used Gaso 1849 Duplex Pump Complete Pump

Used Gaso 1849 duplex production pump with the following features: • 6" stroke • 31 HP • Ductile iron fluid end • 4.5" pistons • 4" suction connection • 2" discharge connection • Weight 1,960 lbs • Dims

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  • 31 HP
  • 100 RPM
  • 125 GPM
  • 900 PSI
  • Ratio: 5.1000
  • Stock No: 52227
Positive Displacement Pump Reciprocating Pump
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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 • 4" suction connection • 2" discharge connection • Last used in crude oil service • Weight • Dims

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  • 31 HP
  • 100 RPM
  • 125 GPM
  • 900 PSI
  • Ratio: 5.1000
  • Stock No: 54211
Positive Displacement Pump Reciprocating Pump
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Used Gaso 1800 Duplex Pump Parts or Partial Pump for Parts

Used power end for parts, has bent pinion shaft

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  • 31 HP
  • 100 RPM
  • 160 GPM
  • 990 PSI
  • Ratio: 5.1000
  • Stock No: 54338
Positive Displacement Pump Reciprocating Pump
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Used Gaso 1800 Duplex Pump Power End Frame Only

Used Gaso 1800 duplex production pump power end only with the following features: • 6" stroke • 31 HP • 5.1 gear ratio • Weight • Dims

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  • 31 HP
  • 100 RPM
  • 125 GPM
  • 900 PSI
  • Ratio: 5.1000
  • Stock No: 53394
Positive Displacement Pump Reciprocating Pump
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Used Gaso 1800 Duplex Pump Power End Frame Only

Used Gaso 1800 duplex production pump power end only with the following features: • 6" stroke • 31 HP • 5.1 gear ratio • Weight • Dims

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  • 31 HP
  • 100 RPM
  • 160 GPM
  • 990 PSI
  • Ratio: 5.1000
  • Stock No: 53245
Positive Displacement Pump Reciprocating Pump
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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 • 4" suction connection • 2" discharge connection • Weight • Dims

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  • 31 HP
  • 70 RPM
  • 88 GPM
  • 900 PSI
  • Ratio: 5.1000
  • Stock No: 55925
Positive Displacement Pump Reciprocating Pump
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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 • 4" suction connection • 2" discharge connection • Weight • Dims

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  • 31 HP
  • 70 RPM
  • 88 GPM
  • 900 PSI
  • Ratio: 5.1000
  • Stock No: 55926
Positive Displacement Pump Reciprocating Pump
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Used Wheatley 1824 Duplex Pump Power End Only

Used duplex power end only

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  • 30 HP
  • 90 RPM
  • 105 GPM
  • 900 PSI
  • Ratio: 6.4280
  • Stock No: 50971
Positive Displacement Pump Reciprocating Pump
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Used Continental Emsco DA-500 Duplex Pump Complete Pump

Used Continental Emsco DA-500 duplex production pump with the following features: • 16" stroke • 500 HP • Ductile iron fluid end • 6" pistons • suction connection • discharge connection • Weight • Dims

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  • 500 HP
  • 65 RPM
  • 754 GPM
  • 970 PSI
  • Stock No: 58263
Positive Displacement Pump Reciprocating Pump