| Part Number |
272-6959 / 2726959 |
Official Caterpillar part identifier for 325D/329D main pump applications . |
| Compatible Models |
Caterpillar 325D, 325DL, 329D, 329DL |
Confirmed by OEM documentation and aftermarket suppliers . |
| Type |
Axial piston pump, variable displacement |
Standard configuration for Caterpillar medium excavators . |
| Maximum Pressure |
35 MPa (5,076 psi) |
Matches the 325D’s hydraulic system relief valve pressure h-cpc.cat.com. |
| Total Flow Rate |
235 L/min (62 GPM) |
Aligned with the 325D’s dual-pump output for implement operations h-cpc.cat.com. |
| Displacement |
140 mL/rev (per pump section) |
Inferred from SBS140 series pump design (common in 25-30 ton excavators) . |
| Drive Power |
~152 kW (204 HP) |
Matches the 325D’s engine power rating h-cpc.cat.com. |
| Weight |
~220 kg (485 lbs) |
Typical weight for axial piston pumps in this class . |
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