120 HP 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.

27 Items Found   •   Showing 50 Per Page

Filter
  • {{tag.text}} ×
 
Item Brand, Model{{search.sorting.directionIcon('item-brand-model')}}
GPM{{search.sorting.directionIcon('gpm')}}
PSI{{search.sorting.directionIcon('psi')}}
RPM{{search.sorting.directionIcon('rpm')}}
HP{{search.sorting.directionIcon('hp')}}
Ratio{{search.sorting.directionIcon('ratio')}}
1 of 40
Used Gaso 1755 Duplex Pump Package

Used Gaso 1755 duplex pump package with the following features: • 10" stroke • 120 HP • Duplex stainless steel fluid end • 5.5”plungers • 4" 150# suction connection • 3" 300# discharge connection • Packaged on skid with 100 hp, 460 v, 1780 rpm, XP top mount motor, suction and discharge pulsation dampeners. C44 8-groove sheave on the pump and C8.0 8-groove on the motor. • Weight 10,000 lbs • Dims (9’ 6”L x 5’ 4”W x 5' H)

1 of 40
  • 120 HP
  • 85 RPM
  • 336 GPM
  • 1750 PSI
  • Ratio: 5.8460
  • Stock No: 53858
Positive Displacement Pump Reciprocating Pump
336
1750
85
120
5.8460
1 of 31
Used Gaso 1742 Duplex Pump

Used Gaso 1742 duplex production pump with the following features: • 10" stroke • 120 HP • Fluid end • Plungers • Spherical valves • 4" 150 lb suction connection • 3" 300 lb discharge connection • 5.846 (integral or pinion or eternal gear box) gear ratio • Last used in crude oil service • Weight • Dims

1 of 31
  • 120 HP
  • 85 RPM
  • 336 GPM
  • 1750 PSI
  • Ratio: 5.8460
  • Stock No: 58653
Positive Displacement Pump Reciprocating Pump
336
1750
85
120
5.8460
1 of 37
Used Gaso 1743 Duplex Pump

Used Gaso 1743 duplex pump with the following features: • 10" stroke • 120 HP • Ductile iron fluid end • 4" pistons • 6" suction connection • 4" discharge connection • 5.846 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

1 of 37
  • 120 HP
  • 85 RPM
  • 637 GPM
  • 295 PSI
  • Ratio: 5.8460
  • Stock No: 55320
Positive Displacement Pump Reciprocating Pump
637
295
85
120
5.8460
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 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 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 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 18
Used Wheatley 2170 Duplex Pump Complete Pump

Used Wheatley 2170 duplex pump package with the following features: • 10" stroke • 132 HP • Ductile iron fluid end • Capable of 294 gpm @ 637 psi with 5" pistons or 560 gpm @ 325 psi with 7" pistons • 4 disc valves and 4 steel on steel wing guided valves • 6" suction connection • 4" discharge connection • Packaged complete with belt guard, sheave, and 75hp electric motor • Weight • Dims

1 of 18
  • 132 HP
  • 90 RPM
  • 560 GPM
  • 637 PSI
  • Ratio: 5.6400
  • Stock No: 56527
Positive Displacement Pump Reciprocating Pump
560
637
90
132
5.6400
1 of 10
Used Wheatley 2170 Duplex Pump Complete Pump

Used Wheatley 2170 duplex pump package with the following features: • 10" stroke • 132 HP • Ductile iron fluid end • Capable of 294 gpm @ 637 psi with 5" pistons or 560 gpm @ 325 psi with 7" pistons • 4 disc valves and 4 steel on steel wing guided valves • 6" suction connection • 4" discharge connection • Packaged complete with belt guard, sheave, and 75hp electric motor • Weight • Dims

1 of 10
  • 132 HP
  • 90 RPM
  • 560 GPM
  • 637 PSI
  • Ratio: 5.6400
  • Stock No: 56525
Positive Displacement Pump Reciprocating Pump
560
637
90
132
5.6400
1 of 25
Used Worthington KPS-1 Duplex Pump Complete Pump

Used Worthington KPS-1 duplex pump with the following features: • 10" stroke • 120 HP • Cast iron fluid end • capable of 110 gpm @ 1500 psi @ 75 rpm with 3 1/2" pistons or 268 gpm @ 530 psi @ 57 rpm with 6" pistons • 6" suction connection • 4" discharge connection • 4.95 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

1 of 25
  • 120 HP
  • 75 RPM
  • 353 GPM
  • 530 PSI
  • Stock No: 56224
Positive Displacement Pump Reciprocating Pump
353
530
75
120
1 of 21
Used Worthington KPS-1 Duplex Pump Complete Pump

Used Worthington KPS-1 duplex pump with the following features: • 10" stroke • 120 HP • Cast iron fluid end • capable of 110 gpm @ 1500 psi @ 75 rpm with 3 1/2" pistons or 268 gpm @ 530 psi @ 57 rpm with 6" pistons • 6" suction connection • 4" discharge connection • 4.95 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

1 of 21
  • 120 HP
  • 75 RPM
  • 353 GPM
  • 530 PSI
  • Ratio: 4.9500
  • Stock No: 56249
Positive Displacement Pump Reciprocating Pump
353
530
75
120
4.9500
1 of 12
Used Gardner Denver FD-FXD Duplex Pump Fluid End Only

Used bare fluid end, capable of 91gpm @ 1500psi with 3" pistons or 337gpm @ 475psi with 5 1/2" pistons

1 of 12
  • 109 HP
  • 85 RPM
  • 337 GPM
  • 1500 PSI
  • Stock No: 54708
Positive Displacement Pump Reciprocating Pump
337
1500
85
109
1 of 6
Used Wheatley 2712 Duplex Pump Fluid End Only

Used left and right side bare fluid end only, capable of 127gpm @ 1425psi @ 70rpm with 3 1/2" pistons or 546gpm @ 355psi @ 70rpm with 7" pistons

1 of 6
  • 124 HP
  • 70 RPM
  • 546 GPM
  • 1425 PSI
  • Ratio: 5.6400
  • Stock No: 55680
Positive Displacement Pump Reciprocating Pump
546
1425
70
124
5.6400
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 6
Used Wheatley 2170 Duplex Pump

5-7x10 1/8" stroke duplex, 6" ASA 150# suction, 4" ASA 400# discharge, 5.64 gear ratio, 12,500# rod load, complete bare shaft pump with 6" Swabs & Liners, stem guided rubber-insert valves

1 of 6
  • 132 HP
  • 90 RPM
  • 560 GPM
  • 637 PSI
  • Ratio: 5.6400
  • Stock No: 50972
Positive Displacement Pump Reciprocating Pump
560
637
90
132
5.6400
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 9
Used Gaso 1742 Duplex Pump

Used 2 1/2" - 5 1/2" x 10" stroke duplex pump,120 HP, 59 GPM @ 1750 PSI @ 85 RPM with 2 1/2" Pistons or 336 GPM @ 550 PSI @ 85 RPM with 5 1/2" pistons.

1 of 9
  • 119 HP
  • 85 RPM
  • 59 GPM
  • 1440 PSI
  • Ratio: 5.8460
  • Stock No: 59139
Positive Displacement Pump Reciprocating Pump
59
1440
85
119
5.8460
1 of 13
Rebuilt Gaso 1742 Duplex Pump Complete Pump

Rebuilt Gaso 1742 Duplex pump

1 of 13
  • 120 HP
  • 85 RPM
  • 260 GPM
  • 665 PSI
  • Stock No: 58759
Positive Displacement Pump Reciprocating Pump
260
665
85
120
1 of 20
Used Gaso 1743 Duplex Pump Complete Pump

Used Gaso 1743 duplex pump with the following features: • 10" stroke • 120 HP • DI fluid end • 7.5” Pistons • Missing valves • 6" ANSI 150# suction connection • 4" ANSI 600# discharge connection • 5.846 (integral or pinion or eternal gear box) gear ratio • Last used in mud service • Weight • Dims

1 of 20
  • 120 HP
  • 85 RPM
  • 637 GPM
  • 295 PSI
  • Ratio: 5.8460
  • Stock No: 59314
Positive Displacement Pump Reciprocating Pump
637
295
85
120
5.8460
1 of 10
Rebuilt Gaso 1753 Duplex Pump Complete Pump

REBUILT: Gaso 1753 Duplex Pump pump with the following features: • 10" stroke • 120 HP • Cast ductile iron fluid end • Plungers • 6" 150 lb ANSI suction connection • 4" 600 lb ANSI discharge connection • 5.846 (integral or pinion or eternal gear box) gear ratio • Weight 7,012 lbs • Dims

1 of 10
  • 120 HP
  • 85 RPM
  • 337 GPM
  • 550 PSI
  • Ratio: 5.8460
  • Stock No: 55725
Positive Displacement Pump Reciprocating Pump
337
550
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
1 of 7
Used Oilwell 610P Duplex Pump Complete Pump

Used Oilwell 610P duplex production pump with the following features: • 10" stroke • 120 HP • Ductile iron fluid end • Plungers • suction connection • discharge connection • 5.05 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

1 of 7
  • 120 HP
  • 85 RPM
  • 440 GPM
  • 500 PSI
  • Ratio: 5.0500
  • Stock No: 58059
Positive Displacement Pump Reciprocating Pump
440
500
85
120
5.0500
1 of 8
Used Oilwell 610P Duplex Pump Complete Pump

Used Oilwell 610P duplex production pump with the following features: • 10" stroke • 120 HP • Ductile iron fluid end • Plungers • suction connection • discharge connection • 5.05 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

1 of 8
  • 120 HP
  • 85 RPM
  • 440 GPM
  • 500 PSI
  • Ratio: 5.0500
  • Stock No: 58054
Positive Displacement Pump Reciprocating Pump
440
500
85
120
5.0500
1 of 9
Used Oilwell 610P Duplex Pump Complete Pump

Used Oilwell 610P duplex production pump with the following features: • 10" stroke • 120 HP • Ductile iron fluid end • Plungers • suction connection • discharge connection • 5.05 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

1 of 9
  • 120 HP
  • 85 RPM
  • 440 GPM
  • 500 PSI
  • Ratio: 5.0500
  • Stock No: 58053
Positive Displacement Pump Reciprocating Pump
440
500
85
120
5.0500
1 of 8
Used Wheatley 2180-A Duplex Pump Complete Pump

Used Wheatley 2180-A WBC duplex pump with the following features: • 10" stroke • 130 HP • Fluid end • capable of 503gpm @ 376psi with 6 1/2" pistons or 770gpm @ 249psi with 8" pistons • suction connection • discharge connection • 5.64 (integral or pinion or eternal gear box) gear ratio • Weight • Dims

1 of 8
  • 130 HP
  • 90 RPM
  • 770 GPM
  • 249 PSI
  • Ratio: 5.6400
  • Stock No: 58444
Positive Displacement Pump Reciprocating Pump
770
249
90
130
5.6400