Hydraulic & Servo Repair.
Back in Service Fast.
Cylinders, pumps, motors, valves, servo valves and servo actuators rebuilt and tested in our Lake Barrington, IL shop. We pick up and deliver nationwide, 24/7, and send you a full teardown report before any work starts.
Hydraulic repair is our core. Everything under one roof.
Every unit is torn down, inspected, rebuilt and tested at our Lake Barrington shop, with machining, honing, re-chroming and seal fabrication done in-house.
Reseals, full rebuilds, rod straightening and replacement, barrel honing and pressure testing for mill, crane and mobile cylinders.
Cylinder repair →Pumps & MotorsPiston, vane and gear pumps and hydraulic motors rebuilt to spec and flow-tested. Parker, Eaton, Vickers, Rexroth, Danfoss and more.
Pump & motor repair →Hydraulic ValvesDirectional, proportional, relief, cartridge and mobile valve banks rebuilt and bench-tested.
Valve repair →Servo ValvesServo and high-response proportional valves cleaned, rebuilt and tested before they go back on your press or mill.
Servo valve repair →Servo Motors & ActuatorsServo motors and servo-controlled actuators, including turbine and combustor actuators for energy customers.
Servo actuator repair →HPU ServiceHydraulic power unit troubleshooting, pump station rebuilds and parts sourcing for shredders, presses and mill systems.
HPU service →Machining & Re-ChromePrecision machining, re-chroming, honing and reverse engineering of obsolete parts, all in-house.
Machine shop →Custom SealsSeals fabricated to fit when OEM kits are discontinued or weeks out.
Seal fabrication →On-Site TestingField technicians come to your plant for inspection, fluid and contamination checks, and troubleshooting.
Book field service →Servo valves & actuators, rebuilt and tested.
A sticking servo valve shuts down a press, a mill stand or a turbine. We repair servo valves, servo motors and servo-controlled actuators from Moog, Rexroth, Parker and others, then test them before they ship back to you.
- Teardown report with findings before you approve the repair
- Obsolete and discontinued servo parts sourced or reverse engineered
- Direct OEM supply lines in Europe through partners in London and Italy

From breakdown to back in service
- 01Call or request a quote
Tell us the unit, the symptom and how urgent it is. We answer 24/7.
- 02Pickup anywhere in the US
Hot shot pickup from your plant, or ship it to our shop.
- 03Teardown & report
We disassemble, inspect and send you a report on what failed and why.
- 04You approve
No work starts until you sign off on the quote.
- 05Rebuild, test, return
Rebuilt, tested and delivered back to your plant.
Inside our Lake Barrington shop





Built for plants that can't stop
Hot strip and rolling mills, melt shops, forging, rebar
Rolling mills and extrusion presses
Shredders, balers, shears and material handlers
Haul trucks, crushers, conveyors, cement and quarry
Injection molding, blow molding, pipe and film extrusion
Paper machines, presses and winders
Crane, excavator and demolition fleets
Container cranes, bulk handling and vessels
Turbine servo actuators, refineries and power plants

Gearbox repair & gear manufacturing
The same shop, process and pickup service, now for your gear drives. We are an authorized Falk distributor and make gears in-house at our Chicago facility.
- Gearbox teardown, inspection, rebuild and testing
- Discontinued gearboxes rebuilt or reverse engineered
- Remanufactured and refurbished gear units at a discount
Brands we repair
Common questions
Do you pick up outside Illinois?
Yes. We run hot shot pickup and delivery nationwide, 24/7, and quote the freight up front.
Will I know what failed before I pay for a rebuild?
Every job gets a teardown and inspection report. Nothing is rebuilt until you approve the quote.
Is repair cheaper than buying new?
In most cases, yes, and without the OEM lead time. If a unit isn't worth rebuilding, the report will say so.
Can you come to our plant?
Our field technicians handle on-site inspection, fluid and contamination testing and troubleshooting. Repairs are done in our shop.
Machine down? Call now.
24/7 emergency service with nationwide pickup and delivery.
Hydraulic, servo and gearbox repair since 1991.
Lake Barrington, IL 60010