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.

28 Items Found   •   Showing 50 Per Page

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1 of 17
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

1 of 17
  • 42 HP
  • 75 RPM
  • 200 GPM
  • 895 PSI
  • Stock No: 56706
Positive Displacement Pump Reciprocating Pump
200
895
75
42
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 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 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 • suction connection • 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 • Dims

1 of 5
  • 15 HP
  • 100 RPM
  • 80 GPM
  • 854 PSI
  • Ratio: 4.9330
  • Stock No: 55143
Positive Displacement Pump Reciprocating Pump
80
854
100
15
4.9330
1 of 3
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 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

1 of 3
  • 15 HP
  • 100 RPM
  • 80 GPM
  • 854 PSI
  • Ratio: 4.9330
  • Stock No: 55264
Positive Displacement Pump Reciprocating Pump
80
854
100
15
4.9330
1 of 18
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 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

1 of 18
  • 15 HP
  • 100 RPM
  • 80 GPM
  • 854 PSI
  • Ratio: 4.9330
  • Stock No: 55260
Positive Displacement Pump Reciprocating Pump
80
854
100
15
4.9330
1 of 4
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 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

1 of 4
  • 15 HP
  • 100 RPM
  • 80 GPM
  • 854 PSI
  • Ratio: 4.9330
  • Stock No: 55259
Positive Displacement Pump Reciprocating Pump
80
854
100
15
4.9330
1 of 9
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 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

1 of 9
  • 15 HP
  • 100 RPM
  • 80 GPM
  • 854 PSI
  • Ratio: 4.9330
  • Stock No: 55019
Positive Displacement Pump Reciprocating Pump
80
854
100
15
4.9330
1 of 4
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 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

1 of 4
  • 15 HP
  • 100 RPM
  • 80 GPM
  • 854 PSI
  • Ratio: 4.9330
  • Stock No: 54898
Positive Displacement Pump Reciprocating Pump
80
854
100
15
4.9330
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

Used power end for parts, has bent pinion shaft

1 of 3
  • 31 HP
  • 100 RPM
  • 160 GPM
  • 990 PSI
  • Ratio: 5.1000
  • Stock No: 54338
Positive Displacement Pump Reciprocating Pump
160
990
100
31
5.1000
1 of 4
Used Gaso 1800 Duplex Pump

Used pump case with pinion gear/shaft and sheave duplex pump

1 of 4
  • 31 HP
  • 100 RPM
  • 160 GPM
  • 990 PSI
  • Ratio: 5.1000
  • Stock No: 53245
Positive Displacement Pump Reciprocating Pump
160
990
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 1
Used Wheatley 1824 Duplex Pump Power End Only

Used duplex power end only

1 of 1
  • 30 HP
  • 90 RPM
  • 105 GPM
  • 900 PSI
  • Ratio: 6.4280
  • Stock No: 50971
Positive Displacement Pump Reciprocating Pump
105
900
90
30
6.4280
1 of 14
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

1 of 14
  • 500 HP
  • 65 RPM
  • 754 GPM
  • 970 PSI
  • Stock No: 58263
Positive Displacement Pump Reciprocating Pump
754
970
65
500
1 of 37
Used Emsco D-500 Duplex Pump Complete Pump

Used Emsco D-500 duplex production pump package with the following features: • 16" stroke • 500 HP • Ductile iron fluid end • capable of 268gpm @ 2720psi with 4 3/4" pistons or 751gpm @ 970psi with 7 1/2" pistons • suction connection • discharge connection • Packaged on skid with twin Detroit engines • Weight • Dims

1 of 37
  • 500 HP
  • 65 RPM
  • 751 GPM
  • 970 PSI
  • Stock No: 58269
Positive Displacement Pump Reciprocating Pump
751
970
65
500
1 of 13
Used Emsco D-500 Duplex Pump Complete Pump

Used Emsco D-500 duplex production pump with the following features: • 16" stroke • 500 HP • Ductile iron fluid end • capable of 268gpm @ 2720psi with 4 3/4" pistons or 751gpm @ 970psi with 7 1/2" pistons • suction connection • discharge connection • Weight • Dims

1 of 13
  • 500 HP
  • 65 RPM
  • 751 GPM
  • 970 PSI
  • Stock No: 58278
Positive Displacement Pump Reciprocating Pump
751
970
65
500
1 of 16
Used Gardner Denver FG-FXG-R Duplex Pump Package

Used Gardner Denver FG-FXG-R duplex production pump package with the following features: • 6" stroke • 42 HP • Cast steel fluid end • Plungers • 4" NPT 125# suction connection • 2" NPT 600# discharge connection • Packaged on skid with electric motor • Last used in crude oil service. • Weight • Dims

1 of 16
  • 42 HP
  • 100 RPM
  • 200 GPM
  • 895 PSI
  • Ratio: 4.7200
  • Stock No: 58666
Positive Displacement Pump Reciprocating Pump
200
895
100
42
4.7200
1 of 22
Used Gardner Denver FZ-FXZ Duplex Pump Fluid End Only

Used fluid end only, left side manifold, 7 1/4x12 with 8 valve caps Missing right side bare block, and discharge manifold. Capable of 263gpm @ 988psi @ 7rpm with 5" pistons

1 of 22
  • 185 HP
  • 70 RPM
  • 578 GPM
  • 988 PSI
  • Stock No: 55303
Positive Displacement Pump Reciprocating Pump
578
988
70
185
1 of 7
Used Wheatley 535 Duplex Pump Complete Pump

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

1 of 7
  • 15 HP
  • 100 RPM
  • 80 GPM
  • 854 PSI
  • Ratio: 4.9330
  • Stock No: 58223
Positive Displacement Pump Reciprocating Pump
80
854
100
15
4.9330
1 of 8
Used Wheatley 535 Duplex Pump Complete Pump

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

1 of 8
  • 15 HP
  • 100 RPM
  • 80 GPM
  • 854 PSI
  • Ratio: 4.9330
  • Stock No: 58222
Positive Displacement Pump Reciprocating Pump
80
854
100
15
4.9330
1 of 8
Used Wheatley 535 Duplex Pump Complete Pump

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

1 of 8
  • 15 HP
  • 100 RPM
  • 80 GPM
  • 854 PSI
  • Ratio: 4.9330
  • Stock No: 58221
Positive Displacement Pump Reciprocating Pump
80
854
100
15
4.9330
1 of 9
Used Wheatley 535 Duplex Pump Complete Pump

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

1 of 9
  • 15 HP
  • 100 RPM
  • 80 GPM
  • 854 PSI
  • Ratio: 4.9330
  • Stock No: 58219
Positive Displacement Pump Reciprocating Pump
80
854
100
15
4.9330
1 of 7
Used Wheatley 535 Duplex Pump Complete Pump

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

1 of 7
  • 15 HP
  • 100 RPM
  • 80 GPM
  • 854 PSI
  • Ratio: 4.9330
  • Stock No: 58204
Positive Displacement Pump Reciprocating Pump
80
854
100
15
4.9330