Concrete Pumping Rig Repair in Iowa — Boom Pumps & Line Pumps | Ames Hydraulics

A concrete pumping rig is the single most complex piece of equipment on a pour site — big hydraulic drive cylinders, the pumping cylinders that push concrete, the S-valve that switches between them, the boom with its cylinders and rotation, and the truck it sits on. Ames Hydraulics does concrete pumping rig repair in central Iowa on boom pumps, trailer pumps, and line pumps used by contractors and ready-mix operators. Free pickup within 60 miles of Ames.

Concrete Pump Hydraulics — Where Most Work Lives

Concrete pumping rigs are almost entirely hydraulic, which means most concrete pumping rig repair is hydraulic. The main drive cylinders that push the pumping pistons, the S-valve shift cylinder, the boom cylinders, the outrigger cylinders, and the hopper agitator drive — all of it is hydraulic. Every one of those cylinders can be honed, resealed, and pressure-tested in this shop rather than replaced whole. That’s how you keep an aging rig earning.

What We Repair

• Drive cylinders that push the pumping pistons
• Pumping cylinders (the concrete-facing side) — sleeves, pistons, and seals
• S-valve shift cylinder and wear plates
• Boom cylinders and rotation motors
• Outrigger cylinders and mounts
• Hydraulic pumps, valves, and control systems
• Hopper, grate, and agitator hydraulics
• Cracked welds on boom sections, truck subframes, and outrigger mounts

Small Contractors Like Caruth Construction

Iowa has a healthy population of small concrete-pumping operators — general contractors who run their own line pump, ready-mix operators who added a small boom, and specialty concrete companies like Caruth Construction over in Slater who use pumping rigs to reach where trucks can’t. If you’re one of those and don’t want to send your rig to a distant dealer for a cylinder, this is the shop. Real hydraulic rebuilds, done here.

Wear Plates and Pumping-Side Consumables

The concrete-facing side of any pumping rig has consumables — wear plates, wear rings, pumping pistons, and hopper grates. These wear on a schedule and need to be replaced before they cost you a bigger repair. Bring the rig in on a scheduled shutdown and we’ll swap consumables and check the drive cylinders at the same time. Preventive concrete pumping rig repair is a lot cheaper than emergency work at a job site.

Boom Cylinders and Structural Welding

Boom cylinders on a concrete pump handle awkward angles and heavy loads, and they leak or lose pressure eventually. We rebuild them the same as any large cylinder. Boom-section welds crack in specific spots; welded and reinforced properly, the boom goes back to work stronger than it was.

Free Pickup Within 60 Miles

Concrete pumping rigs are big and heavy. If yours can be trailered, we’ll come get it — free within 60 miles of Ames. Text a photo and describe the failure to 515-292-2599 and we’ll tell you the same day what your concrete pumping rig repair needs and roughly what it will cost.

Get the Rig Back on the Pour

See our full hydraulic repair, welding & fabrication, and trailer repair services. Call or text 515-292-2599 or bring the rig to 210 Freel Dr in Ames. Open Monday through Friday, 7AM to 5PM.

Winter Rebuilds for Concrete Pumpers

Concrete pumping in Iowa slows way down in winter, which makes January and February the right window for major concrete pumping rig repair. Drive-cylinder rebuilds, S-valve service, wear-plate replacement, and boom-cylinder overhauls done on a scheduled shutdown are a lot cheaper than the same work done as an emergency during pouring season. Talk to us in October or November if you want to book a winter slot.

Cost Versus Dealer Rebuild

Every rebuilt cylinder from our shop is a fraction of the cost of a new OEM cylinder, turned in a week or so rather than the month a dealer would quote. That is why so much specialty concrete pumping rig repair lands here: same quality, faster turnaround, honest quotes, and no dealer markups on parts we already have on the shelf.