Powering Industry With Hydraulic Expertise
At Hydraulic Service, Inc., we are proud to be the premier hydraulic repair and service shop in Kelso, WA, serving Longview, Astoria, Cowlitz County, and surrounding areas. For over 50 years, we’ve specialized in repairing and rebuilding hydraulic equipment for logging, heavy machinery, and industrial applications. Conveniently located minutes off I-5, our shop is equipped to handle even the toughest hydraulic jobs with precision and efficiency.
From cylinders and pumps to motors and valves, we provide comprehensive hydraulic solutions that keep your equipment running smoothly and your business operating without interruption.
Hydraulic Repairs and Other Services
Hydraulic systems are the backbone of industries like logging, construction, and manufacturing. When these systems fail, downtime can be costly. That’s why Hydraulic Service, Inc. offers a full range of repair and maintenance services to restore performance quickly and reliably.
Our services include:
Machine Shop – Equipped to handle custom machining and precision repairs to hydraulic and pneumatic components.
Welding Services – Professional welding for hydraulic components and fabrication projects.
Hydraulic and Pneumatic Cylinder Repair – Rebuilding and restoring cylinders to peak performance.
Hydraulic Pump, Motor, and Valve Repair – Expert service for critical hydraulic components.
Fabrication Repair – Solutions for unique equipment needs.
Accumulator Charging and Repair – Service for accumulators up to 4,500 PSI.
By offering such a wide range of services under one roof, we save our customers time and money while ensuring their equipment is repaired to the highest standards.
Why Choose Hydraulic Service, Inc.?
When choosing a company to service hydraulic equipment, experience and capability matter. With over four decades in business, Hydraulic Service, Inc. has seen just about everything and knows how to get the job done right.
Reasons customers choose us:
Proven Experience – 50+ years serving industries across Washington and Oregon.
Comprehensive Capabilities – From machining to welding, we handle complex hydraulic repairs.
Trusted Expertise – Skilled technicians who understand the demands of heavy machinery.
Local Convenience – Located in Kelso, WA, minutes from I-5 for easy access.
Commitment to Quality – Every repair is performed with precision and care.
We’ve built our reputation on reliability, professionalism, and results that last.
Serving Logging and Heavy Equipment Industries
Hydraulic Service, Inc., specializes in servicing equipment used in logging, construction, and other heavy industries. These machines operate under extreme conditions, and their hydraulic systems must perform flawlessly.
We provide solutions for:
- Logging equipment such as loaders, skidders, and harvesters.
- Construction machinery, including excavators, bulldozers, and cranes.
- Industrial equipment requiring hydraulic pumps, motors, and valves.
By keeping these systems in peak condition, we help businesses reduce downtime, improve safety, and extend the lifespan of their equipment.
Schedule a Consultation Today
If you’re in need of hydraulic repairs—whether it’s cylinders, hoses, pumps, or valves—our team is ready to help. We offer consultations to assess your equipment and recommend the best solutions.
Call (360) 425-3240 today to schedule your consultation with Hydraulic Service, Inc. in Kelso, WA.
We look forward to helping you keep your hydraulic systems running at their best.
Our Commitment to Customers
At Hydraulic Service, Inc., customer satisfaction is our top priority. We treat every project with the same level of care, whether it’s a small repair or a major rebuild. Our technicians take pride in their work, ensuring that every repair meets our high standards of quality and reliability.
We believe in building long-term relationships with our customers by providing dependable service, honest communication, and results that stand the test of time.
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Scott at hydraulic service is a great person, he took care of our needs professionally and fast. He fixed our PTO and hydraulic pump rebuilt like new. communication was excellent and service also back in and working in 7 days would’ve been faster I bet if it wasn’t through thanksgiving holiday
AJ H.
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Brought in damaged hydraulic part. Their employee couldn't have been more terrific. He measured my seal, found a replacement, slipped it into my part, and I was on my way In a flash! I couldn't be happier.
Jerry S.
⭐⭐⭐⭐⭐
Exceptional customer service. They knew exactly what I needed even though I really didn't and they were helpful and informative every step of the way. The office manager was especially a delight. I will definitely be returning business again!
Taylor J.
⭐⭐⭐⭐⭐
Joe and Scott were VERY helpful. They were able to replace all the gaskets on RV hydralic jacks . Scott was helpful in all my hydraulic system.
Jose R.
⭐⭐⭐⭐⭐
Everyone was extremely helpful and knowledgeable, I highly recommend them!
Rodney S.
⭐⭐⭐⭐⭐
Scott at hydraulic service is a great person, he took care of our needs professionally and fast. He fixed our PTO and hydraulic pump rebuilt like new. communication was excellent and service also back in and working in 7 days would’ve been faster I bet if it wasn’t through thanksgiving holiday
AJ H.
⭐⭐⭐⭐⭐
Brought in damaged hydraulic part. Their employee couldn't have been more terrific. He measured my seal, found a replacement, slipped it into my part, and I was on my way In a flash! I couldn't be happier.
Jerry S.
⭐⭐⭐⭐⭐
Scott at hydraulic service is a great person, he took care of our needs professionally and fast. He fixed our PTO and hydraulic pump rebuilt like new. communication was excellent and service also back in and working in 7 days would’ve been faster I bet if it wasn’t through thanksgiving holiday
AJ H.
⭐⭐⭐⭐⭐
Brought in damaged hydraulic part. Their employee couldn't have been more terrific. He measured my seal, found a replacement, slipped it into my part, and I was on my way In a flash! I couldn't be happier.
Jerry S.
⭐⭐⭐⭐⭐
Exceptional customer service. They knew exactly what I needed even though I really didn't and they were helpful and informative every step of the way. The office manager was especially a delight. I will definitely be returning business again!
Taylor J.
⭐⭐⭐⭐⭐
Joe and Scott were VERY helpful. They were able to replace all the gaskets on RV hydralic jacks . Scott was helpful in all my hydraulic system.
Jose R.
⭐⭐⭐⭐⭐
Everyone was extremely helpful and knowledgeable, I highly recommend them!
Rodney S.
⭐⭐⭐⭐⭐
Scott at hydraulic service is a great person, he took care of our needs professionally and fast. He fixed our PTO and hydraulic pump rebuilt like new. communication was excellent and service also back in and working in 7 days would’ve been faster I bet if it wasn’t through thanksgiving holiday
AJ H.
⭐⭐⭐⭐⭐
Brought in damaged hydraulic part. Their employee couldn't have been more terrific. He measured my seal, found a replacement, slipped it into my part, and I was on my way In a flash! I couldn't be happier.
Jerry S.
⭐⭐⭐⭐⭐
Scott at hydraulic service is a great person, he took care of our needs professionally and fast. He fixed our PTO and hydraulic pump rebuilt like new. communication was excellent and service also back in and working in 7 days would’ve been faster I bet if it wasn’t through thanksgiving holiday
AJ H.
⭐⭐⭐⭐⭐
Brought in damaged hydraulic part. Their employee couldn't have been more terrific. He measured my seal, found a replacement, slipped it into my part, and I was on my way In a flash! I couldn't be happier.
Jerry S.
⭐⭐⭐⭐⭐
Exceptional customer service. They knew exactly what I needed even though I really didn't and they were helpful and informative every step of the way. The office manager was especially a delight. I will definitely be returning business again!
Taylor J.
⭐⭐⭐⭐⭐
Joe and Scott were VERY helpful. They were able to replace all the gaskets on RV hydralic jacks . Scott was helpful in all my hydraulic system.
Jose R.
⭐⭐⭐⭐⭐
Everyone was extremely helpful and knowledgeable, I highly recommend them!
Rodney S.
⭐⭐⭐⭐⭐
Scott at hydraulic service is a great person, he took care of our needs professionally and fast. He fixed our PTO and hydraulic pump rebuilt like new. communication was excellent and service also back in and working in 7 days would’ve been faster I bet if it wasn’t through thanksgiving holiday
AJ H.
Frequently Asked Questions
1. How much does it cost to rebuild a cylinder?
There is no way to give an accurate quote over the phone as there are too many variables to consider. We offer free estimates for all repairs in person. Estimates typically take 2-3 days to complete.
2. What is your lead time?
We have 3 different rates. $100/per man hour – lead time is 15-21 days, $120/per man hour – lead time is 10-15 business days, $150/per man hour – 2-9 business days. We will always try our best to repair your components as quickly as possible to meet your deadlines.
3. Can you match seals if we bring them in?
Yes! We offer seal matching for those who want to repair their own components. We can also install seals for you if you’d like.
Get Started With Hydraulic Service, Inc.
For hydraulic repairs and services in Kelso, WA, Longview, Astoria, and surrounding areas, trust the experts at Hydraulic Service, Inc. With a full machine shop, welding capabilities, and decades of experience, we’re equipped to handle all your hydraulic needs.
Call (360) 425-3240 for assistance with troubleshooting hydraulic systems and/or components.