Hydraulic Valve Rebuilding & Testing
Directional, proportional, relief, check and cartridge valves and complete mobile valve banks rebuilt and bench-tested.
Domestic and European valves
4WE series, M4 control blocks and proportional valves.
DG series directional, relief and check valves.
VA/VG series, D-Line and mobile directional banks.
PVG 32 and PVG 120 proportional valve groups.
Screw-in cartridge valves and manifolds.
Control blocks and directional and pressure control valves.
Servo and proportional valves. See our servo valve repair page.
Sennebogen, Genesis, LaBounty, Caterpillar, Komatsu, John Deere, Linde and Kawasaki.
What we restore
Common on mobile equipment and waste trucks.
Industrial manufacturing and press circuits.
Critical for safety on high-pressure scrap shears.
Stop drifting on cranes and heavy-lift equipment.
Not on the list? Our machine shop can usually reverse engineer the parts you need.
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.
Machine down? Call now.
24/7 emergency service with nationwide pickup and delivery.
Hydraulic, servo and gearbox repair since 1991.
Lake Barrington, IL 60010