Hydraulic Pump Motor Repair in Ames, Iowa
Hydraulic pump motor repair is one of the most common jobs that comes through our bay doors at 210 Freel Dr. Whether it’s a gear pump on a flatbed truck that’s lost its whine, a lift pump that won’t build pressure anymore, or a PTO-driven unit on a piece of ag or construction equipment, we’ve had it apart on the bench. We’re a family shop, we’ve been doing this a long time, and we don’t send hydraulic pump motor repair work out to somebody else — it happens right here.
How We Handle Hydraulic Pump Motor Repair
The first thing we do is figure out whether we’re looking at a pump problem, a valve problem, or something upstream feeding bad or aerated fluid into the system. A lot of the hydraulic pump motor repair calls we get start with someone assuming the pump is bad when the real issue is a cracked suction line or a relief valve stuck open. We pull the pump, check case drain flow, check shaft play, and pressure test it on our bench setup before we tell a customer they need a rebuild versus a straight swap.
On flatbed trucks, hydraulic pump replacement usually means pulling the old gear pump off the PTO, swapping in a new unit — we regularly install gear pumps rated around 15 GPM depending on the application — and reconnecting the hose barbs and O-ring fittings without introducing air into the circuit. On lift equipment, hydraulic pump motor repair often runs alongside valve work, because a tired pump has usually been beating up the relief valves for a while before it finally quits. We’ve set adjustable relief valves as high as 7000 PSI on some of the more heavily loaded units we service, and we always recheck that setting after a pump swap so the new pump isn’t fighting a valve that’s set wrong.
If your equipment is a Blackmer-style pump instead of a standard gear pump, the failure symptoms are a little different — we’ve got a whole breakdown on Blackmer pump troubleshooting if that’s what you’re dealing with. For forklifts, pallet jacks, and other warehouse gear, a lot of the same principles apply, and you can read more on our material handling hydraulic repair page.
Common Symptoms That Point to Hydraulic Pump Motor Repair
Most customers don’t call us saying “my pump is bad” — they call describing what the machine is doing. Here’s what we typically hear right before a hydraulic pump motor repair turns out to be the fix:
- Lift or boom moves slow, or won’t lift a full load like it used to
- Loud whining or grinding noise from the pump housing, especially under load
- Fluid temperature climbing faster than normal, sometimes with a burnt oil smell
- Pressure gauge reads low or bounces around instead of holding steady
- Visible fluid weeping from the pump shaft seal onto the mounting bracket
- PTO engages but nothing happens — pump is spinning but not moving fluid
If you’re seeing that last symptom — spinning but no pressure — that’s a classic sign the pump has lost its internal seal or the gears are worn past spec, and we’ve got more detail on that specific failure on our pump not building pressure page. Cylinder problems can mimic a lot of these same symptoms too, so if we get the pump apart and it checks out fine, we’ll usually walk the cylinders next — our cylinder rebuild cost guide covers what that side of the job typically runs.
How Much Does Hydraulic Pump Motor Repair Cost
Straight labor for diagnosing and pulling a pump usually runs between $95 and $150 an hour depending on how buried the pump is and how many fittings we have to fight to get it out. A full hydraulic pump motor repair job breaks down a few different ways depending on what we find:
- Pump rebuild (medium-duty gear pump, reseal and internal parts): roughly $350 to $650
- New gear pump replacement (parts and labor, standard flatbed or lift application): roughly $600 to $1,400
- Full lift pump package — new pump, valve work, and reinstall: often $1,000 to $2,200 depending on the lift and how much valve work comes with it
- Mileage/delivery if we bring the unit back to your site within 100 miles: a flat rounded-trip charge, usually a few hundred dollars depending on distance
Those numbers move around based on pump displacement, RPM rating, and whether we’re dealing with a simple gear pump or something with a PTO hub and stub shaft that has to be matched exactly. We always give a real number before we start cutting hoses, not a guess.
If your equipment is losing lift power, running hot, or just isn’t putting out the pressure it used to, don’t wait until the pump seizes up on you. Call us at 515-292-2599 and we’ll get you scheduled for hydraulic pump motor repair — we’ll diagnose it right, quote it straight, and get your equipment back to work.
Frequently Asked Questions
How do I know if it’s the pump or the valve causing my hydraulic problem?
We check case drain flow and pressure under load on our bench before we ever recommend hydraulic pump motor repair, because a stuck or worn relief valve can mimic a bad pump. Guessing costs more than testing.
Can you rebuild my pump instead of replacing it?
Often, yes. If the housing and shaft are in good shape and it’s just worn gears or a bad seal, a rebuild runs less than a full replacement and we’ll always offer that option first when it makes sense.
How long does hydraulic pump motor repair usually take?
A straightforward gear pump swap can be same-day. A full lift pump package with valve work usually takes a day or two depending on parts availability.
Do you work on flatbed truck PTO pumps?
Yes, that’s one of the most common jobs we do. We handle the pump, the hub, the stub shaft, and the fittings so the whole PTO-driven circuit works right, not just the pump.
What’s the price range for hydraulic pump motor repair on a forklift or lift?
Depending on whether it’s a rebuild or full replacement with valve work, most lift pump jobs run between $350 and $2,200. We’ll give you an exact number after we look at it.
Written by Josiah Ragsdale, Ames Hydraulics