5 Frame plunger pump
341G1
- 15.1Flow, l/min
- 138Pressure, bar
- 3515Speed, rpm
- 4.09Power, kW
60 Hz Rated at a motor speed for 60 Hz mains (North America, parts of South America and Asia).

Specification
- Flow
- 15.1 l/min
- Pressure
- 138 bar
- Speed
- 3515 rpm
- Absorbed power
- 4.09 kW
- Plunger
- 20 mm
- Shaft
- Hollow
- Weight
- 9 kg
Kits
Valves1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 31152 | Valve kit, NBR (STD) | 2 |
Seal kits1
| Part number | Description | Per pump | Suppliers |
|---|---|---|---|
| 34153 | Seal kit, NBR (STD) | 1 |
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 | 43344 | Cover, Bearing | |
| 10 | 43343 | O-Ring, Bearing Cover | 2 |
| 15 | 14480 | Bearing, Ball | 2 |
| 20 | 45883 | Rod, Connecting Assembly | 3 |
| 32 | 43211 | Cap, Oil Filler | 1 |
| 33 | 14177 | O-Ring, Filler Cap | 1 |
| 37 | 92241 | Gauge, Oil, Bubble with Gasket | 1 |
| 38 | 44428 | Gasket, Flat, Oil Gauge | 1 |
| 40 | 92542 | Screw, HHC Sems (M6 x 20) | 4 |
| 48 | 25625 | Plug, Drain (1/4" x 19 BSP) | 1 |
| 49 | 23170 | O-Ring, Drain Plug | 1 |
| 50 | 48772 | Cover, Rear | 1 |
| 51 | 48773 | O-Ring, Rear Cover | 1 |
| 53 | 48769 | Crankcase | 1 |
| 56 | 43355 | Pan, Oil | 1 |
| 64 | 43351 | Pin, Crosshead | 3 |
| 65 | 45256 | Rod, Plunger | 3 |
| 70 | 43228 | Seal, Oil, Crankcase | 3 |
| 75 | 43328 | Slinger, Barrier | 3 |
| 88 | 45697 | Washer, Keyhole (M18 x M10) | 3 |
| 90 | 43367 | Plunger (M20 x 72) | 3 |
| 95 | 89653 | Stud, Plunger Retainer (M6 x 58) | 3 |
| 96 | 43235 | Backup Ring, Plunger Retainer | 3 |
| 97 | 17399 | O-Ring, Plunger Retainer | 3 |
| 98 | 44041 | Gasket | 3 |
| 99 | 44031 | Retainer, Plunger | 3 |
| 100 | 45688 | Retainer, Seal 2-Piece | 3 |
| 101 | 43302 | Wick, Long Tab | 3 |
| 106 | 44127 | Seal, Low-Pressure with SS-Spring | 3 |
| 120 | 45680 | Case, Seal | 3 |
| 121 | 14200 | O-Ring, Seal Case | 3 |
| 125 | 44649 | Seal, High-Pressure with SS-Support | 3 |
| 139 | 45156 | Plug, Inlet (1/2" NPT[M]) | 1 |
| 162 | 48361 | Backup Ring, Seat | 6 |
| 163 | 43358 | O-Ring, Seat | 6 |
| 164 | 44128 | Seat | 6 |
| 166 | 543669 | Valve | 6 |
| 167 | 44056 | Spring, Valve | 6 |
| 168 | 44565 | Retainer, Valve Spring | 6 |
| 171 | 44832 | Spring, Coil | 6 |
| 172 | 49382 | O-Ring, Valve Plug | 6 |
| 174 | 49296 | Plug, Valve | 6 |
| 185 | 45151 | Head Manifold | 1 |
| 185 | 49583 | Head Manifold, Flushed | 1 |
| 186 | 15847 | Lockwasher (M10) | 2 |
| 188 | 87950 | Screw HSH (M10 x 35) | 2 |
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 4.09 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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