Overview & Features
Cat Pumps high-pressure plunger pumps are industry recognized as the longest-lasting, most reliable pumps available. Cat Pumps designs and builds products to the highest quality level for one important reason: our customers depend on our products to keep their equipment running.
Plunger pump performance range is 0.13 gpm to 240 gpm (0.49 to 908 lpm) and 100 psi to 10,000 psi (6.9 bar to 689 bar). Pumps are available in brass, nickel aluminum bronze, 304 and 316 stainless steel, and duplex stainless steel. Pump drives include electric motor, gas/diesel engine, hydraulic, and pneumatic. Products are in-stock for 24-hour shipping. When it needs to run, make it Cat Pumps.
Direct Drive, Electric Motor
Brass
| Model Number | Maximum Flow | Maximum Pressure | RPM | Drive Type* | ||
| gpm | lpm | psi | bar | |||
| 1CX013R | 0.13 | 0.5 | 1,000 | 69 | 1725 | HS |
| 1CX025R | 0.25 | 1.0 | 1,000 | 69 | 1725 | HS |
| 4DX03ELR | 0.3 | 1.1 | 2,000 | 138 | 1725 | HS |
| 1CX050R | 0.5 | 1.9 | 1,000 | 69 | 1725 | HS |
| 2SF10ES | 1.0 | 3.8 | 2,000 | 138 | 3450 | HS |
| 4DX10ER | 1.0 | 3.8 | 2,000 | 138 | 3450 | HS |
| 4DX15ER |
1.5 | 5.7 | 2,000 | 138 | 3450 | HS |
| 2SF20ES | 2.0 | 7.6 | 2,000 | 138 | 3450 | HS |
| 4DX20ER | 2.0 | 7.6 | 2,000 | 138 | 3450 | HS |
| 4SP21ELR | 2.1 | 7.9 | 2,000 | 138 | 1750 | HS |
| 2SF22ELS | 2.2 | 8.4 | 2,000 | 138 | 1725 | HS |
| 2SF22ES | 2.2 | 8.4 | 2,000 | 138 | 3450 | HS |
| 3CP1130 | 2.4 | 9.1 | 2,200 | 152 | 1725 | CC |
| 5CP3105CSS | 2.5 | 9.5 | 3,500 | 241 | 1725 | CC |
| 4DX27ER |
2.7 | 10.3 | 2,000 | 138 | 3450 | HS |
| 740 | 2.8 | 10.6 | 5,000 | 345 | 1700 | CC |
| 2SF29ELS | 2.9 | 10.8 | 1,500 | 103 | 1725 | HS |
| 2SF30ES | 3.0 | 11.4 | 1,500 | 103 | 3450 | HS |
| 4DX30ER | 3.0 | 11.4 | 2,000 | 138 | 3450 | HS |
| 2SF30GES | 3.0 | 11.4 | 2,000 | 138 | 3450 | HS |
| 4SF32ELS | 3.2 | 12.2 | 3,500 | 241 | 1725 | HS |
| 2SF35ES | 3.5 | 13.3 | 1,500 | 103 | 3450 | HS |
| 2SF35GES | 3.5 | 13.3 | 2,000 | 138 | 3450 | HS |
| 3CP1140 | 3.6 | 13.7 | 2,200 | 152 | 1725 | CC |
| 5CP3110CSS | 3.6 | 13.7 | 3,500 | 241 | 1725 | CC |
| 340 | 4.0 | 15.2 | 1,800 | 124 | 1725 | CC |
| 5CP2140WCS | 4.0 | 15.2 | 2,500 | 172 | 1725 | CC |
| 4SF40ELS | 4.0 | 15.2 | 3,500 | 241 | 1725 | HS |
| 3CP1120 | 4.2 | 16.0 | 2,200 | 152 | 1725 | CC |
| 5CP3160CSS | 4.3 | 16.3 | 3,500 | 241 | 1725 | CC |
| 4SF45ELS | 4.5 | 17.1 | 3,000 | 207 | 1725 | HS |
| 5CP4120CSS | 4.5 | 17.1 | 4,000 | 276 | 1725 | CC |
| 60 | 4.7 | 17.9 | 4,000 | 276 | 1725 | CC |
| 700 | 4.7 | 17.9 | 5,000 | 345 | 1750 | CC |
| 5CP3120 | 4.8 | 18.2 | 3,000 | 207 | 1725 | CC |
| 350 | 5.0 | 19.0 | 1,500 | 103 | 1725 | CC |
| 5CP2150W | 5.0 | 19.0 | 2,000 | 138 | 1725 | CC |
| 4SF50ELS | 5.0 | 19.0 | 3,000 | 207 | 1725 | HS |
| 5CP5120 | 6.0 | 22.8 | 2,500 | 172 | 1725 | CC |
| 5CP6120 | 7.4 | 28.1 | 1,200 | 83 | 1725 | CC |
| 56 | 8.0 | 30.4 | 2,500 | 172 | 1760 | CC |
| 5CP6190 | 10.0 | 38.0 | 1,200 | 83 | 1800 | CC |
| 7CP6110 | 10.5 | 39.9 | 2,000 | 138 | 1725 | CC |
*HS-Hollow Shaft, CC-Close Coupled
Nickel Aluminum Bronze
| Model Number | Maximum Flow | Maximum Pressure | RPM | Drive Type* | ||
| gpm | lpm | psi | bar | |||
| 237 | 2.3 | 8.7 | 1,500 | 103 | 1725 | CC |
| 247 | 3.6 | 13.7 | 1,200 | 83 | 1725 | CC |
| 347 | 4.0 | 15.2 | 1,800 | 124 | 1725 | CC |
| 357 | 5.0 | 19.0 | 1,500 | 103 | 1725 | CC |
*HS-Hollow Shaft, CC-Close Coupled
316 Stainless Steel
| Model Number | Maximum Flow | Maximum Pressure | RPM | Drive Type* | ||
| gpm | lpm | psi | bar | |||
| 2SF05SEEL | 0.5 | 1.9 | 1,200 | 83 | 1725 | HS |
| 2SF10SEEL | 1.0 | 3.8 | 1,200 | 83 | 1725 | HS |
| 2SF15SEEL | 1.5 | 5.7 | 1,200 | 83 | 1725 | HS |
| 2SF22SEEL | 2.2 | 8.4 | 1,200 | 83 | 1725 | HS |
| 3CP1231 | 2.3 | 8.7 | 2,000 | 138 | 1725 | CC |
| 2SF25SEEL | 2.5 | 9.5 | 1,200 | 83 | 1725 | HS |
| 784 | 2.8 | 10.6 | 5,000 | 345 | 1700 | CC |
| 2SF29SEEL | 2.9 | 10.8 | 1,200 | 83 | 1725 | HS |
| 2SF35SEEL | 3.5 | 13.3 | 1,200 | 83 | 1725 | HS |
| 3CP1241 | 3.6 | 13.7 | 2,000 | 138 | 1725 | CC |
| 341 | 4.0 | 15.2 | 1,800 | 124 | 1725 | CC |
| 5CP6241CS | 4.0 | 15.2 | 2,000 | 138 | 1725 | CC |
| 2SF42SEEL | 4.2 | 16.0 | 1,000 | 69 | 1725 | HS |
| 3CP1221 |
4.2 | 16.0 | 2,000 | 138 | 1725 | CC |
| 781 | 4.7 | 17.8 | 5,000 | 345 | 1750 | CC |
| 351 | 5.0 | 19.0 | 1,500 | 103 | 1725 | CC |
| 5CP6251 | 5.0 | 19.0 | 2,000 | 138 | 1725 | CC |
| 5CP6221 | 7.4 | 28.0 | 1,200 | 83 | 1725 | CC |
| 7CP6111 | 10.5 | 39.9 | 2,000 | 138 | 1725 | CC |
*HS-Hollow Shaft, CC-Close Coupled
Direct Drive, Gas Engine
Brass
| Model Number | Maximum Flow | Maximum Pressure | Engine RPM | Shaft | ||
| gpm | lpm | psi | bar | |||
| 4DNX25GSI | 2.5 | 9.5 | 3,000 | 207 | 3450 | 3/4″ |
| 4DNX27GSI | 2.7 | 10.3 | 3,000 | 207 | 3450 | 3/4″ |
| 740G1 | 2.8 | 10.6 | 5,000 | 345 | 3465 | 1″ |
| 3DX29GSI | 2.9 | 11.0 | 2,500 | 172 | 3450 | 3/4″ |
| 2SF30GS | 3.0 | 11.4 | 2,000 | 138 | 3450 | 3/4″ |
| 2SFX30GZ | 3.0 | 11.4 | 2,500 | 172 | 3450 | 3/4″ |
| 66DX30G1I | 3.0 | 11.4 | 4,000 | 276 | 3450 | 1″ |
| 4SPX32G1I | 3.2 | 12.2 | 3,000 | 207 | 3450 | 1″ |
| 2SF35GS | 3.5 | 13.3 | 2,000 | 138 | 3450 | 3/4″ |
| 4SF35GS1 | 3.5 | 13.3 | 3,500 | 241 | 3200 | 1″ |
| 3CP1120G | 3.5 | 13.3 | 2,200 | 152 | 3600 | 3/4″ |
| 66DX35G1I | 3.5 | 13.3 | 4,000 | 276 | 3450 | 1″ |
| 5CP3160CSSG1 | 4.0 | 15.2 | 3,500 | 241 | 3320 | 1″ |
| 66DX40G1I | 4.0 | 15.2 | 4,000 | 276 | 3450 | 1″ |
| 4SF40GS1 | 4.0 | 15.2 | 3,500 | 241 | 3200 | 1″ |
| 60G1 |
4.2 | 16.0 | 4,000 | 276 | 3200 | 1″ |
| 4SF45GS1 | 4.5 | 17.1 | 3,000 | 207 | 3200 | 1″ |
| 5CP3120CSSG1 | 4.5 | 17.1 | 3,500 | 241 | 3353 | 1″ |
| 45G1 | 4.5 | 17.1 | 3,500 | 241 | 3353 | 1″ |
| 700G1 | 4.5 | 17.1 | 5,000 | 345 | 3465 | 1″ |
| 4SF50GS1 | 5.0 | 19.0 | 3,000 | 207 | 3450 | 1″ |
| 5CP5135CSSG1 | 5.0 | 19.0 | 3,500 | 241 | 3090 | 1″ |
| 5CP5140CSSG1 | 5.5 | 20.9 | 3,500 | 241 | 3060 | 1″ |
| 5CP6120CSSG1 | 6.7 | 25.5 | 1,600 | 110 | 3200 | 1″ |
| 56G1 | 8.0 | 30.4 | 2,500 | 172 | 3600 | 1″ |
| 5CP6190G1 | 8.7 | 33.1 | 1,200 | 83 | 3200 | 1″ |
| 7CP6110G1 | 10.0 | 38.0 | 2,000 | 138 | 3400 | 1″ |
| 7CP6170G1 | 12.0 | 45.4 | 1,800 | 124 | 3264 | 1″ |
316 Stainless Steel
| Model Number | Maximum Flow | Maximum Pressure | Engine RPM | Shaft | ||
| gpm | lpm | psi | bar | |||
| 3CP1241G | 3.0 | 11.4 | 2,000 | 138 | 3600 | 3/4″ |
| 3CP1211G | 3.8 | 14.4 | 1,500 | 103 | 3400 | 3/4″ |
| 341G1 | 4.0 | 15.2 | 2,000 | 138 | 3515 | 1″ |
| 781G1 | 4.5 | 17.1 | 5,000 | 345 | 3465 | 1″ |
| 351G1 | 5.0 | 19.0 | 1,500 | 103 | 3515 | 1″ |
| 7CP6111G1 | 10.0 | 38.0 | 2,000 | 138 | 3400 | 1″ |
Solid Shaft
Brass
| Model Number | Maximum Flow | Maximum Pressure | RPM | HP | ||
| gpm | lpm | psi | bar | |||
| 3CP1130 | 2.4 | 9.1 | 2,200 | 152 | 1725 | 3.6 |
| 5CP3105CSS | 2.5 | 9.5 | 3,500 | 241 | 1725 | 6.0 |
| 740 | 2.8 | 10.6 | 5,000 | 345 | 1700 | 9.6 |
| 1810 | 3.0 | 11.4 | 10,000 | 690 | 1500 | 20.5 |
| 3CP1140 | 3.6 | 13.7 | 2,200 | 152 | 1725 | 5.4 |
| 5CP3110CSS | 3.6 | 13.7 | 3,500 | 241 | 1725 | 8.6 |
| 340 | 4.0 | 15.2 | 1,800 | 124 | 1725 | 4.9 |
| 310 | 4.0 | 15.2 | 2,200 | 152 | 950 | 6.0 |
| 5CP2120W | 4.0 | 15.2 | 2,500 | 172 | 950 | 6.8 |
| 5CP2140WCS | 4.0 | 15.2 | 2,500 | 172 | 1725 | 6.8 |
| 3CP1120 | 4.2 | 16.0 | 2,200 | 152 | 1725 | 6.3 |
| 5CP3160CSS | 4.3 | 16.3 | 3,500 | 241 | 1725 | 10.3 |
| 45 | 4.5 | 17.1 | 3,500 | 241 | 1645 | 10.8 |
| 5CP3120 | 4.5 | 17.1 | 3,500 | 241 | 1645 | 10.8 |
| 57 | 4.5 | 17.1 | 4,000 | 276 | 1285 | 12.3 |
| 5CP4120CSS | 4.5 | 17.1 | 4,000 | 276 | 1725 | 12.3 |
| 700 | 4.5 | 17.1 | 5,000 | 345 | 1700 | 15.4 |
| 60 | 4.7 | 17.9 | 4,000 | 276 | 1725 | 12.9 |
| 700 | 4.7 | 17.9 | 5,000 | 345 | 1725 | 16.1 |
| 5CP3120 | 4.8 | 18.2 | 3,000 | 207 | 1725 | 9.9 |
| 310 | 5.0 | 19.0 | 1,500 | 103 | 1190 | 5.1 |
| 350 | 5.0 | 19.0 | 1,500 | 103 | 1725 | 5.1 |
| 5CP2150W | 5.0 | 19.0 | 2,000 | 138 | 1725 | 6.8 |
| 530 | 5.0 | 19.0 | 2,500 | 172 | 1100 | 8.6 |
| 5CP5120 | 5.0 | 19.0 | 3,000 | 207 | 1415 | 10.3 |
| 550 | 5.0 | 19.0 | 3,000 | 207 | 1415 | 10.3 |
| 56 | 5.5 | 20.9 | 3,500 | 241 | 1210 | 13.2 |
| 5CP5140CSS | 5.5 | 20.9 | 3,500 | 241 | 1500 | 13.2 |
| 5CP6120 | 6.0 | 22.8 | 1,600 | 110 | 1450 | 6.6 |
| 5CP5120 | 6.0 | 22.8 | 2,500 | 172 | 1725 | 10.3 |
| 1570 | 6.0 | 22.8 | 6,000 | 414 | 1350 | 24.7 |
| 650 | 7.0 | 26.6 | 3,000 | 207 | 1000 | 14.4 |
| 5CP6120 | 7.4 | 27.1 | 1,200 | 83 | 1725 | 6.1 |
| 5CP6190 | 8.0 | 30.4 | 1,450 | 100 | 1450 | 7.9 |
| 56 | 8.0 | 30.4 | 2,500 | 172 | 1760 | 13.7 |
| 1560 | 8.0 | 30.4 | 4,000 | 276 | 1140 | 21.9 |
| 5CP6190 | 10.0 | 38.0 | 1,200 | 83 | 1800 | 8.2 |
| 1050 | 10.0 | 38.0 | 2,200 | 152 | 958 | 15.1 |
| 660 | 10.0 | 38.0 | 3,000 | 207 | 1429 | 20.5 |
| 3550 | 10.0 | 38.0 | 6,000 | 414 | 940 | 41.1 |
| 6810 | 10.0 | 38.0 | 10,000 | 690 | 600 | 68.5 |
| 7CP6110 | 10.5 | 39.9 | 2,000 | 138 | 1725 | 14.4 |
| 7CP6170 | 11.0 | 41.6 | 2,000 | 138 | 1450 | 15.1 |
| 1050 | 12.0 | 45.4 | 1,800 | 124 | 1150 | 14.8 |
| 7CP6170 | 12.0 | 45.4 | 1,800 | 124 | 1600 | 14.8 |
| 1580 | 12.0 | 45.4 | 3,000 | 207 | 1180 | 24.7 |
| 1530 | 15.6 | 59.3 | 1,500 | 103 | 1450 | 16.0 |
| 1540E | 18.0 | 68.4 | 1,200 | 83 | 1,100 | 14.8 |
| 2510 | 20.0 | 76.0 | 2,000 | 138 | 1450 | 27.4 |
| 3560 | 20.0 | 76.0 | 4,000 | 276 | 1160 | 54.8 |
| 2530 | 21.0 | 79.8 | 1,200 | 83 | 860 | 17.3 |
| 3520 | 23.0 | 87.4 | 2,000 | 138 | 800 | 31.5 |
| 2530 | 25.0 | 95.0 | 1,000 | 69 | 1025 | 17.1 |
| 3560 | 25.0 | 95.0 | 3,000 | 207 | 1450 | 51.4 |
| 3535 | 36.0 | 136.0 | 1,200 | 83 | 800 | 29.6 |
| 6835 | 40.0 | 152.0 | 3,000 | 207 | 625 | 82.2 |
| 3545 | 45.0 | 171.0 | 1,000 | 69 | 765 | 30.8 |
| 6760 | 60.0 | 228.0 | 1,200 | 83 | 520 | 49.3 |
| 6775 | 75.0 | 285.0 | 1,200 | 83 | 650 | 61.6 |
Nickel Aluminum Bronze
| Model Number | Maximum Flow | Maximum Pressure | RPM | HP | ||
| gpm | lpm | psi | bar | |||
| 237 | 2.3 | 8.7 | 1,500 | 103 | 1725 | 2.4 |
| 277 | 3.5 | 13.3 | 1,500 | 103 | 1420 | 3.6 |
| 247 | 3.6 | 13.7 | 1,200 | 83 | 1725 | 3.0 |
| 347 | 4.0 | 15.2 | 1,800 | 124 | 1725 | 4.9 |
| 317 | 4.0 | 15.2 | 2,200 | 152 | 950 | 6.0 |
| 277 | 4.2 | 16.0 | 1,000 | 69 | 1725 | 2.9 |
| 357 | 5.0 | 19.0 | 1,500 | 103 | 1725 | 5.1 |
| 1057 | 10.0 | 38.0 | 2,200 | 152 | 958 | 15.1 |
| 3507 | 10.0 | 38.0 | 2,200 | 152 | 958 | 15.1 |
| 1057 | 12.0 | 45.4 | 1,800 | 124 | 1150 | 14.8 |
| 3517 | 14.0 | 53.2 | 3,000 | 207 | 800 | 28.8 |
| 2537 | 21.0 | 79.8 | 1,200 | 83 | 860 | 17.3 |
| 3527 | 23.0 | 87.4 | 2,000 | 138 | 800 | 31.5 |
| 3537 | 36.0 | 136.0 | 1,200 | 83 | 800 | 29.6 |
| 6747 | 48.0 | 182.4 | 2,000 | 138 | 615 | 65.8 |
| 6767 | 60.0 | 228.0 | 1,200 | 83 | 520 | 49.3 |
| 6777 | 75.0 | 285.0 | 1,200 | 83 | 650 | 61.6 |
316 Stainless Steel
| Model Number | Maximum Flow | Maximum Pressure | RPM | HP | ||
| gpm | lpm | psi | bar | |||
| 3CP1231 | 2.3 | 8.7 | 2,000 | 138 | 1725 | 3.2 |
| 784 | 2.8 | 10.6 | 5,000 | 345 | 1700 | 9.6 |
| 3CP1241 | 3.6 | 13.7 | 2,000 | 138 | 1725 | 4.9 |
| 5CP6241CS | 4.0 | 15.2 | 2,000 | 138 | 1725 | 5.5 |
| 311 | 4.0 | 15.2 | 2,200 | 152 | 950 | 6.0 |
| 3CP1221 | 4.2 | 16.0 | 2,000 | 138 | 1725 | 5.8 |
| 781 | 4.5 | 17.1 | 5,000 | 345 | 1700 | 15.4 |
| 781 | 4.7 | 17.9 | 5,000 | 345 | 1750 | 16.1 |
| 5CP6251 | 5.0 | 19.0 | 2,000 | 138 | 1725 | 6.8 |
| 5CP6221 | 6.0 | 22.8 | 2,000 | 138 | 1400 | 8.2 |
| 5CP6221 | 7.4 | 28.0 | 1,200 | 83 | 1725 | 6.1 |
| 1051 | 10.0 | 38.0 | 2,200 | 152 | 958 | 15.1 |
| 1861 | 10.0 | 38.0 | 3,000 | 207 | 1429 | 20.5 |
| 3801 | 10.0 | 38.0 | 5,000 | 345 | 915 | 34.2 |
| 7CP6111 | 10.5 | 39.9 | 2,000 | 138 | 1725 | 14.4 |
| 7CP6171 | 10.5 | 39.9 | 2,000 | 138 | 1450 | 14.4 |
| 1051 | 12.0 | 45.4 | 1,800 | 124 | 1150 | 14.8 |
| 3811 | 14.0 | 53.2 | 3,000 | 207 | 800 | 28.8 |
| 6811 | 15.0 | 57.0 | 5,000 | 345 | 600 | 51.4 |
| 6801 | 15.0 | 57.0 | 7,000 | 483 | 600 | 71.9 |
| 1531 | 15.6 | 59.3 | 1,500 | 103 | 1450 | 16.0 |
| 1541 | 18.0 | 68.4 | 1,200 | 83 | 1,100 | 14.8 |
| 2511 | 20.0 | 76.0 | 1,500 | 103 | 1450 | 20.5 |
| 2531 | 21.0 | 79.8 | 1,200 | 83 | 860 | 17.3 |
| 2831 | 21.0 | 79.8 | 1,200 | 83 | 860 | 17.3 |
| 3521 | 23.0 | 87.4 | 2,000 | 138 | 800 | 31.5 |
| 3821 | 23.0 | 87.4 | 2,000 | 138 | 800 | 31.5 |
| 2531 | 25.0 | 95.0 | 1,000 | 69 | 1025 | 17.1 |
| 6821 | 25.0 | 95.0 | 3,000 | 207 | 615 | 51.4 |
| 3531 | 36.0 | 136.0 | 1,200 | 83 | 800 | 29.6 |
| 3831 | 36.0 | 136.0 | 1,200 | 83 | 800 | 29.6 |
| 6831 | 40.0 | 152.0 | 2,300 | 159 | 625 | 63.0 |
| 3541 | 45.0 | 171.0 | 1,000 | 69 | 765 | 30.8 |
| 3841 | 45.0 | 171.0 | 1,000 | 69 | 765 | 30.8 |
| 6841 | 48.0 | 182.4 | 2,000 | 138 | 615 | 65.8 |
| 6761 | 60.0 | 228.0 | 1,200 | 83 | 520 | 49.3 |
| 6861 | 60.0 | 228.0 | 1,200 | 83 | 520 | 49.3 |
| 6771 | 75.0 | 285.0 | 1,200 | 83 | 650 | 61.6 |
Duplex Stainless Steel
| Model Number | Maximum Flow | Maximum Pressure | RPM | HP | ||
| gpm | lpm | psi | bar | |||
| 1051D | 10.0 | 38.0 | 2,200 | 152 | 958 | 15.1 |
| 661D | 10.0 | 38.0 | 3,000 | 207 | 1429 | 20.5 |
| 3501 | 10.0 | 38.0 | 5,000 | 345 | 915 | 34.2 |
| 1051D | 12.0 | 45.6 | 1,800 | 124 | 1150 | 14.8 |
| 3511 | 14.0 | 53.2 | 3,000 | 207 | 800 | 28.8 |
| 3822 | 23.0 | 87.4 | 2,000 | 138 | 800 | 31.5 |
| 3832 | 36.0 | 136.0 | 1,200 | 83 | 800 | 29.6 |
| 6762 | 60.0 | 228.0 | 1,200 | 83 | 520 | 49.3 |
| 6862 | 60.0 | 228.0 | 1,200 | 83 | 520 | 49.3 |