3CP plunger pump
3CP1211G
- 14.4Flow, l/min
- 103Pressure, bar
- 3400Speed, rpm
- 2.91Power, kW
60 Hz Rated at a motor speed for 60 Hz mains (North America, parts of South America and Asia).

Specification
- Flow
- 14.4 l/min
- Pressure
- 103 bar
- Speed
- 3400 rpm
- Absorbed power
- 2.91 kW
- Plunger
- 18 mm
- Shaft
- Hollow
- Weight
- 6.7 kg
Kits
Valves4
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 30982 | Valve kit, NBR (STD) | 1 | |
| 31216 | Valve kit, FPM (.0110) | 1 | |
| 31217 | Valve kit, EPDM (.0220) | 1 | |
| 76690 | Valve kit, FFKM (.0770) | 1 |
Seal kits6
Exploded view
Parts list
Positions are the balloon numbers on Cat Pumps' exploded view.
| Pos | Part number | Description | Qty |
|---|---|---|---|
| 5 | 92538 | Screw, HHC Sems (M6 x 16) | 8 |
| 8 | 46901 | Cover, Bearing | 1 |
| 10 | 14028 | O-Ring, Cover, Bearing | 2 |
| 11 | 43222 | Seal, Oil, Crankshaft | 1 |
| 15 | 14480 | Bearing, Ball | 2 |
| 20 | 48730 | Rod Connecting | 3 |
| 25 | 48805 | Crankshaft, Single-End (M15) | 1 |
| 30 | 48259 | Cover, Bearing, Blind | 1 |
| 32 | 46798 | Cap, Oil Filler | 1 |
| 33 | 14179 | O-Ring, Oil Filler Cap | 1 |
| 37 | 92241 | Gauge, Oil, Bubble with Gasket | 1 |
| 38 | 44428 | Gasket, Flat, Oil Gauge | 1 |
| 40 | 92538 | Screw, HHC Sems (M6 x 16) | 4 |
| 48 | 25625 | Plug, Drain (1/4" x 19 BSP) | 1 |
| 49 | 23170 | O-Ring, Drain Plug | 1 |
| 50 | 46939 | Cover, Rear | 1 |
| 51 | 14041 | O-Ring, Rear, Cover | 1 |
| 53 | 48644 | Crankcase | 1 |
| 64 | 46615 | Pin, Crosshead | 3 |
| 65 | 48807 | Rod, Plunger | 3 |
| 70 | 46839 | Seal, Oil, Crankcase | 3 |
| 75 | 48809 | Slinger, Barrier, Flat | 3 |
| 88 | 45697 | Washer, Keyhole (M18 x M10) | 3 |
| 90 | 46976 | Plunger (M18 x 43) | 3 |
| 97 | 76729 | Washer, Flat (Not shown, use with 76730) | 3 |
| 98 | 46730 | Washer, Seal | 3 |
| 99 | 48201 | Retainer, Plunger | 3 |
| 100 | 46541 | Retainer, Seal | 3 |
| 106 | 44053 | Seal, Low-Pressure with SS-Spring | 3 |
| 110 | 48556 | Manifold, Inlet | 1 |
| 117 | 119034 | Screw, HSH (M8 x 35) | 4 |
| 125 | 44652 | Seal, High-Pressure with SS-Support | 3 |
| 143 | 17547 | O-Ring, Adapter, Inlet Valve, Rear | 3 |
| 150 | 44060 | Adapter, Inlet Valve | 3 |
| 154 | 43893 | O-Ring, Adapter, Inlet Valve, Front | 3 |
| 155 | 26089 | O-Ring, Adapter, Discharge Valve, Rear | 3 |
| 157 | 48810 | Adapter, Discharge Valve | 3 |
| 159 | 26089 | O-Ring, Adapter, Discharge Valve, Front | 3 |
| 164 | 44058 | Seat | 6 |
| 165 | 44001 | O-Ring, Seat | 6 |
| 166 | 543669 | Valve | 6 |
| 167 | 44056 | Spring | 6 |
| 168 | 44055 | Retainer, Spring | 6 |
| 185 | 48558 | Manifold, Discharge | 1 |
| 186 | 15847 | Lockwasher (M10) | 6 |
| 188 | 87950 | Screw, HSH (M10 x 35) | 2 |
| 189 | 87952 | Screw, HSH (M10 x 55) | 4 |
| 500 | 8075 | Gearbox (See Individual Data Sheet) | 1 |
Motor
This pump has a hollow shaft. It fits straight onto the shaft of a hollow-shaft motor or engine, so there is no flange or coupling between them. You need a hollow-shaft motor of at least 2.91 kW.
Flange
None needed: the pump fits straight onto a hollow-shaft motor.
Coupling
None needed: the pump fits straight onto a hollow-shaft motor.
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