What Does a Hydraulic Pump Rebuild Cost in 2026?
Hydraulic pump rebuild cost is the second-most-asked pricing question we get, right behind cylinder rebuild. And like cylinder rebuild, the honest answer depends on pump type, size, and what the tear-down finds inside. Below are the actual pay ranges Ames Hydraulics quotes in 2026 on hydraulic pump rebuild work, broken out by pump family.
Hydraulic Pump Rebuild Cost by Pump Type
Gear pump rebuild — $450 to $1,200
Gear pumps are the simplest and cheapest to rebuild. Common on smaller tractors, log splitters, backhoe attachments, and low-pressure industrial equipment. Hydraulic pump rebuild cost on a common gear pump: new seals, new gears if the tooth face is worn, new wear plates, and re-torqued case. Bench-tested at factory PSI.
Vane pump rebuild — $650 to $1,600
Vane pumps power a lot of forklift, injection molding, and industrial equipment. Rebuild replaces the vane cartridge (rotor + vanes + cam ring + wear plates), seals, and any wear parts past service limits. Vickers, Denison, and Eaton vane pumps are the most-serviced families here.
Piston pump rebuild — $1,200 to $2,400
Piston pumps are the most common on heavy equipment — Bosch Rexroth, Eaton, Sauer-Danfoss, Parker on excavators, wheel loaders, dozers, skid steers, and industrial hydraulic power units. Hydraulic pump rebuild cost on piston pumps includes rebuilding the piston group (barrel, pistons, slippers, swashplate), replacing valve plate, replacing bearings, and pressure-testing at working PSI.
Variable displacement piston pump rebuild — $1,600 to $3,200
The highest hydraulic pump rebuild cost tier because these pumps have integrated compensator or load-sense controls that add complexity to the rebuild scope. Common on modern excavators and wheel loaders. Rebuild covers everything in the standard piston pump plus the compensator or load-sense assembly.
Hydraulic Pump Rebuild Cost by Pump Size (Displacement)
Bigger pumps cost more to rebuild because parts, bearings, and case size scale up:
- Small (under 30 cc/rev): skid steer main pumps, mini excavator main pumps, mid-size tractor charge pumps. Rebuild $650-$1,400.
- Mid (30-75 cc/rev): mid-size excavator main pumps, wheel loader main pumps. Rebuild $1,200-$2,000.
- Large (75-150 cc/rev): large excavator main pumps, industrial HPU pumps. Rebuild $1,800-$2,800.
- Extra large (150+ cc/rev): heavy industrial and mining pumps. Rebuild $2,400-$4,500+.
What Drives Hydraulic Pump Rebuild Cost Higher
- Case damage — pump case scored by internal debris. Adds sleeving or case replacement.
- Contamination cleanup — after a pump grenade, the whole hydraulic system needs to be flushed. That is not part of the pump rebuild but you cannot skip it.
- Proprietary parts — some OE piston pumps use proprietary compensator parts only available through the dealer. Adds part cost.
- Rush service — emergency turn for plant line-down or harvest emergency. Emergency-charge rate applies.
Rebuild Versus New Hydraulic Pump — Comparison
Hydraulic pump rebuild cost typically runs 40-60% of a new OE pump. That gap is even larger with proprietary manufacturer pumps where OE new is priced at a large premium. Rebuild wins in almost every case where:
- The case is repairable (measured, not guessed)
- Parts are available (they usually are for common pump families)
- The customer is not in a same-week emergency
Exchange Pump Option — When Rebuild Timeline Is Too Long
For common piston pump families, exchange units are often available same-week. That gets equipment running while the customer’s pump becomes the exchange core inventory. Exchange price sits between rebuild and new-OE, and turnaround is measured in days, not weeks.
Ship-In Hydraulic Pump Rebuild
Ames Hydraulics accepts ship-in pumps from any US state. Drain the pump case oil, cap the ports, strap to a pallet, and ship LTL. Include your name, callback number, and machine make and model on a tag. Standard turn from receipt is two weeks; rush turn available for stopped operations.
Common Symptoms That Trigger Hydraulic Pump Rebuild
Most hydraulic pump rebuild cost jobs start with a customer complaint that matches one of a handful of predictable symptoms:
- Loss of pressure — the machine cannot lift what it used to. Usually pump wear on the piston group or valve plate.
- Loss of flow — machine functions run slowly. Also usually pump wear; often case-drain flow measurement confirms it.
- Overheating — the hydraulic oil is running above normal operating temperature. Frequently a pump losing internal efficiency and dumping energy as heat.
- Whining or howling noise — pump bearing failure or cavitation on the inlet side.
- Metal on the drain plug — case metal circulating means the pump is failing and taking downstream components with it.
How Ames Hydraulics Diagnoses Before Quoting Hydraulic Pump Rebuild Cost
Before we quote hydraulic pump rebuild cost we measure the actual pump condition. That means gauge pressure at the outlet, case-drain flow rate against the factory service-limit value, and temperature under load. Those three numbers tell us whether the pump has 10% wear or 60% wear, which drives the rebuild scope and cost.
Frequently Asked Questions About Hydraulic Pump Rebuild Cost
Why is hydraulic pump rebuild cost so much less than a new pump?
Because the case, drive shaft, and housing hardware are typically reusable. What gets replaced in a rebuild is the wear parts — pistons, slippers, valve plate, bearings, seals — which is a small percentage of the pump by dollar value.
How do I know if my hydraulic pump needs rebuild versus replacement?
Loss of pressure, loss of flow, overheating, noise, or metal on the drain plug. Any one of those triggers a bench test. The test tells us whether rebuild or exchange is honest — we do not push either.
How long does hydraulic pump rebuild take?
Two-week standard from receipt. Common piston pump families with stocked kits can finish in a week. Rush turn possible for line-down emergencies.
Do you rebuild any brand of hydraulic pump?
All mainstream brands: Bosch Rexroth, Eaton, Sauer-Danfoss, Parker, Vickers, Denison, Kawasaki, Nachi, Rexroth, Cessna, Hydreco, Webster, plus older Vickers V, Cessna, and Sundstrand pumps. Rare pumps — bring the unit, we source parts from castings when catalog parts are gone.
Do you warranty hydraulic pump rebuild work?
Yes. Written warranty on parts and workmanship. Terms print on the invoice.