Manufacturer: EWCO (Engineered Wellhead & Pump Co.)
Pump Type:
Triplex, single-acting
Class:
1300 HP (industry horsepower class)
Rated Power Input: ~1300 HP
Max Pump Speed: ~120 SPM (standard, may vary)
Stroke Length: Typically 12 in
Pressure Rating: Up to ~5,000 PSI (pump model/liner dependent)
| Liner Size (in) | Pressure (psi) | Displacement (GPM) |
|---|---|---|
| 6.5 | ~3,800 | ~650–700 |
| 7.0 | ~3,500 | ~720–770 |
| 7.25 | ~3,200 | ~780–820 |
| 7.5 | ~3,000 | ~820–880 |
(Actual output varies with rod diameters, rod loads, and service factors.)
Frame: Heavy cast block for high horsepower use
Power End:
Large crankshaft journals
Tapered roller bearings
Lubrication:
Forced pressure lubrication
Large capacity oil sump
Valves:
Full-opening mud valves
Hardy or wing guided (application dependent)
Crankcase Capacity:
Large oil volume (pump class dependent)