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Pump bench · Gardner Denver
Gardner Denver Pump Repair in Fontana
Gardner Denver pumps were built for punishment - triplex mud pumps on drilling and workover rigs, oilfield fluid pumps that swallow abrasive slurry at high pressure, and industrial pumps with roots in a blower and compressor heritage that prized cast iron and generous metal everywhere. That construction is exactly why these pumps repay rebuilding instead of replacement. LA Trucks and Tractors repairs Gardner Denver pumps at 14166 Whittram Ave in Fontana. We are an independent repair shop, not a Gardner Denver dealer, so the work is scoped by what the pump's components actually measure - fluid end, power end and everything between - rather than by an exchange catalogue. The pump is stripped, its wear documented, its rebuild quoted from evidence and its performance proven on test. Workover rigs in Kern County, drilling contractors crossing into the Basin, and industrial users running Gardner Denver process pumps all share one economics lesson: the pump is cheap compared with the rig or the plant standing behind it.
Pump bench · Gardner Denver
Mud and oilfield pumps measured at fluid end and power end alike
A triplex mud pump fails at both ends on different clocks. The fluid end erodes: valve seats wash out, liners score under abrasive mud, pistons and packing wear until pressure pulses and volume falls away. The power end wears mechanically: crosshead guides and bushings loosen, connecting-rod bearings fatigue, crankshaft journals groove, and lubrication failures accelerate all of it. Our inspection treats the two ends as separate verdicts - liner bores and valve decks measured, pistons and seats condition recorded, then crankshaft, crossheads, guides and bearings checked for clearance and surface condition on the power side. The quote itemises the repair per end: liners, valves, seats and pistons renewed, packing systems rebuilt, power-end bearings and bushings replaced, journals polished or restored, and alignment verified at assembly. A Gardner Denver pump leaves here holding pressure smoothly, without the knock that announces the next failure. Rebuilds close with a full lubrication review on the power end - oil pump output where fitted, passage cleanliness, and the correct oil specification for the sump - since more power ends die of starved bearings than of honest wear. Fluid-end consumable strategy is discussed at delivery as well: which valves, seats and liners your mud or process fluid eats fastest, what to stock on the rig, and what the wear pattern from this teardown predicts about intervals, so the next service is a planned event with parts on the shelf rather than a fishing expedition at rig rates.
Brands we serviceGardner DenverHayward GordonGouldsBlackmerGracoVikingBusch
Gardner Denver Pump Repair in Fontana · Fontana, CARig and plant pumps get a schedule built around uptime
Regular hours at the shop are Monday to Friday, 6 AM to 5 PM, and rush support runs 24 hours a day, every day of the year, through (800) 821-3404 and (949) 400-2937. Quotes come free and come from measurements taken on your pump, and collection and delivery are free as well. John Clark will go through the fluid-end and power-end findings separately with you, so a partial repair - one end now, one end planned - is a deliberate decision with prices attached, never a surprise discovered mid-job. Documentation travels with the pump - measured clearances, parts renewed per end, and test results - which contractors tell us satisfies both their own maintenance files and the operators they work for.
- Gardner Denver triplex mud pump rebuilding
- Fluid-end liner, valve, seat and piston renewal
- Power-end crankshaft, crosshead and bearing restoration
- Packing system rebuild and alignment verification
- Pressure and pulsation testing on every rebuilt pump
Our 8-step repair process
A clear path from the first call to a tested component or machine returned to work.
Inspection
Disassemble and evaluate the complete failure.
Photos & video
Document condition and findings for a clear repair conversation.
Repair quote
Define the recommended work and quote before proceeding.
Approval
Confirm scope, urgency and the practical path forward.
Manufacturing
Machine, weld, rebuild or reverse engineer required components.
Testing
Verify operation and workmanship before release.
Shipment
Return the completed component or equipment to service.
Frequently asked questions
Our mud pump has lost volume and knocks at pressure. Can one visit fix both?
The lost volume is a fluid-end story and the knock is usually power-end clearance; both are measured in the same teardown, quoted separately, and repairable in one rebuild so the pump returns whole.
Do you repair Gardner Denver industrial pumps outside oilfield service?
Yes. Process, transfer and dewatering pumps from Gardner Denver's industrial lines are rebuilt on the same bench, with the same measurement-first approach as the oilfield units.
Can you rebuild only the fluid end of our Gardner Denver pump?
Yes, where the power end measures sound. Each end is quoted separately from its own inspection, so a fluid-end overhaul, a power-end rebuild, or both together are each priced on evidence, and the untouched end is documented for the next planned service.
Related services
Emergency breakdown? Call the 24-hour rush line.
(949) 400-2937Schedule service or open a repair order
Request a service call.
Include the make, model, symptoms, location, urgency and preferred service time. Your details open in a text to John so you can review them before sending.