Power Ends
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Power End Inspection & NDE
Teardown inspection and non-destructive examination of crankshafts, rods, crossheads, and bores to detect cracks, wear, and out-of-tolerance dimensions before repair scope is set.
Crankshafts and Crankshaft Assemblies
Forged or cast crankshafts, with or without bearings, gears, and counterweights pre-assembled, that convert rotary drive into reciprocating plunger motion and set the pump's stroke length.
Connecting Rods
Rods linking the crankshaft to the crossheads, transmitting cyclic load and incorporating big-end and small-end bearing bores that carry the rod bearings.
Crankshaft Inspection & Repair
Dimensional checking, journal measurement, runout/straightness verification, and crack detection of the crankshaft, with regrinding or replacement when journals fall outside tolerance.
Main & Connecting-Rod Bearing Replacement
Removal and renewal of main, connecting-rod, and crosshead bearings, restoring proper clearances and load capacity in the crankcase.
Crossheads and Crosshead Assemblies
The sliding components that guide reciprocating motion along the crankcase bore and connect the connecting rod to the plunger pony rod, keeping plunger travel axial.
Power End Bearings
Main, connecting-rod, and crosshead bearings—typically roller or sleeve types—that support the crankshaft and rods under high cyclic fracturing loads.
Bore Re-Boring & Line Boring
Machining of worn or damaged crosshead and main bearing bores back to specification, including line-boring to restore bore alignment and concentricity across the crankcase.
Gear Cases and Reduction Gearing
Integral or bolt-on gear housings and gear sets, often using herringbone or helical gearing, that reduce input speed and deliver torque to the crankshaft.
Power End Remanufacturing & Rebuild
Full strip-down and rebuild of a used power end to restored tolerances using new bearings, seals, and reconditioned components, returning the unit to a defined service condition.
OEM-Authorized Repair & Replacement Parts
Repair performed to original equipment manufacturer specifications using OEM crankshafts, bearings, crossheads, and seal kits to maintain design fit and warranty conformance.
Crankcase and Housing Components
The cast or fabricated power end housing, covers, and frame that contain the lubricating oil and locate the crankshaft, bearings, and crosshead guides.
Lubrication System Service
Inspection and overhaul of the power end oil system, including lube pump, cooler, filtration, and seals, to maintain bearing lubrication and crankcase oil integrity.
Lubrication System Components
Oil pumps, galleries, filters, and coolers that circulate lubricant to bearings, crossheads, and gears to manage heat and wear during high-duty operation.
Scheduled Maintenance & Field Service
Planned maintenance, condition monitoring, and on-site or service-center support to extend power end life and reduce unplanned downtime on frac fleets.
Power End Repair Parts and Kits
Replacement bearings, seals, gaskets, pony rods, and wear components supplied for field rebuild and overhaul of triplex and quintuplex power ends.
16 products in Power Ends — click a row to compare vendors
| Product | Configuration | Horsepower Rating | Frame Width | Bore Centers | Stroke Length | Gearbox | Vendors | |
|---|---|---|---|---|---|---|---|---|
| ▾ | 2,250 HP Triplex Power End | Triplex | 2,250 hp | 60" | 12" | 8" | No | 1 |
1 vendor offers this product | ||||||||
| ▸ | 2,250 HP Triplex Power End | Triplex | 2,250 hp | — | — | 8" | No | 1 |
| ▸ | 2,500 HP Quintuplex Power End | Quintuplex | 2,500 hp | 52" | 10" | 8" | No | 9 |
| ▸ | 2,500 HP Quintuplex Power End | Quintuplex | 2,500 hp | 60" | 12" | 8" | No | 1 |
| ▸ | 2,500 HP Quintuplex Power End · Refurbished | Quintuplex | 2,500 hp | 52" | 10" | 8" | No | 1 |
| ▸ | 2,700 HP Quintuplex Power End | Quintuplex | 2,700 hp | 52" | 10" | — | No | 1 |
| ▸ | 3,000 HP Quintuplex Power End | Quintuplex | 3,000 hp | — | — | 8" | No | 2 |
| ▸ | 3,000 HP Quintuplex Power End | Quintuplex | 3,000 hp | 60" | 12" | 8" | No | 1 |
| ▸ | 3,000 HP Triplex Power End · gearbox | Triplex | 3,000 hp | — | — | 11" | Yes | 1 |
| ▸ | 3,300 HP Quintuplex Power End | Quintuplex | 3,300 hp | — | — | 8" | No | 1 |
| ▸ | 3,500 HP Quintuplex Power End | Quintuplex | 3,500 hp | — | — | 8" | No | 1 |
| ▸ | 3,500 HP Quintuplex Power End | Quintuplex | 3,500 hp | 60" | 12" | 8" | No | 1 |
| ▸ | 3,600 HP Quintuplex Power End · gearbox | Quintuplex | 3,600 hp | — | — | 11" | Yes | 1 |
| ▸ | 3,600 HP Quintuplex Power End · gearbox | Quintuplex | 3,600 hp | — | — | 8" | Yes | 1 |
| ▸ | 5,000 HP Quintuplex Power End · gearbox | Quintuplex | 5,000 hp | — | — | 11" | Yes | 1 |
| ▸ | 5,000 HP Quintuplex Power End · gearbox | Quintuplex | 5,000 hp | — | — | 8" | Yes | 1 |
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