Construction Equipment Hydraulic Rebuild Services

Heavy construction equipment demands reliable hydraulic systems — and when they fail, every idle hour costs you money. Hydrostatic Transmission Service delivers precision hydraulic rebuild services for the world's leading brands, backed by over 100 years of combined technician experience, rigorous manufacturer-spec testing, and a 1-year warranty on every rebuilt unit.

Technician rebuilding a hydraulic pump for heavy construction equipment in a professional workshop

Our Hydraulic Rebuild Services

Comprehensive hydraulic and hydrostatic rebuild, repair, and exchange solutions for all major construction equipment brands.

Hydrostatic Drives, Pumps & Motors Rebuild

Full rebuild, testing, calibration, and pressure/flow adjustment of hydrostatic drives, pumps, and motors to manufacturer specifications, with fresh paint, new seals, and a 1-year warranty on every unit.

Brand-Specific Hydraulic Repair

Specialized repair and remanufacturing for leading brands including Rexroth, Kawasaki, Eaton, Parker, Danfoss, Sundstrand, Vickers, Komatsu, and more — all rebuilt to OEM specifications.

Short-Time Exchange Program

Minimize costly equipment downtime with our rapid exchange program — we ship a quality-tested, warranted rebuilt unit quickly so your construction operations stay on schedule.

Hydrostatic Parts Supply

Extensive inventory of new, used, and hard-to-find hydrostatic and hydraulic parts for Parker, Eaton, Rexroth, Kawasaki, Danfoss, Vickers, and many other major brands — available internationally.

Installation Advice Service

Expert installation guidance from trained technicians to help you correctly install and maintain your rebuilt hydrostatic drive, pump, or motor, reducing the risk of repeat failures.

Core Purchase Program

Sell your surplus hydraulic cores, hydrostatic pumps, motors, and parts for top dollar. We buy inventory from brands including Sundstrand, Eaton, Rexroth, Kawasaki, Vickers, Komatsu, and more.

Step-by-step hydraulic pump rebuild process in an industrial service facility

Our Proven 10-Step Hydraulic Rebuild Process

Pressure Wash & Expert Disassembly

Every unit received undergoes a thorough pressure wash followed by careful disassembly by trained technicians. This ensures a clean starting point and prevents contamination from compromising the rebuild quality.

Solvent Cleaning in Reduced-Dust Environment

Precision Measurement to Manufacturer Specs

Valve Rebuild & Component Reconditioning

Testing, Quality Verification & Final Preparation

Trusted Worldwide

Client Success Stories

See how construction and industrial equipment operators rely on us to keep their machines running.

"HTS rebuilt our Kawasaki hydrostatic pump to exact manufacturer specs. Unit arrived fast, works perfectly, and the 1-year warranty gave us peace of mind. Highly recommend their quality rebuild service."

Marcus Chen

"We needed a construction equipment rebuild urgently. HTS's Short-Time exchange program saved us $15K in downtime. Their technicians rebuilt our Eaton drive while we got a loaner unit. Professional and reliable."

David Kowalski

"As a heavy equipment operator managing a fleet of dozers, finding a trusted construction equipment rebuild partner was critical. HTS's 100+ years of expertise and Statistical Process Control System keeps our equipment running optimally."

James Rodriguez

"Emergency breakdown on our compactor's Rexroth motor. HTS turnaround was remarkable—48 hours from diagnosis to installation. Their installation advice service guided our crew perfectly. Outstanding responsiveness."

Patricia Nwosu

"We sold several obsolete hydrostatic cores to HTS through their Purchase Program and received top-price. Their buyer's program streamlined everything. Excellent value for our surplus inventory."

Robert Sullivan

"Working with HTS for five years now on our Parker hydrostatic repairs. Every rebuild meets specifications, every warranty honored, every technician accountable. They're our go-to partner for reliability."

Linda Westbrook

"Their technicians explained the Uchida pump calibration process in detail. Rebuilt unit came back tested to spec with fresh paint and quality seal. The attention to detail in their Hydrostatic Drives, Pumps, and Motors Rebuild process is impressive."

Thomas Yamamoto

"As an international distributor, we trust HTS's buyer's program and exchange capabilities. Their market positioning as a world-class hydrostatic rebuild provider makes them our preferred vendor for construction equipment rebuild sourcing globally."

Anna Bergström

"HTS rebuilt our Kawasaki hydrostatic pump to exact manufacturer specs. Unit arrived fast, works perfectly, and the 1-year warranty gave us peace of mind. Highly recommend their quality rebuild service."

Marcus Chen

"We needed a construction equipment rebuild urgently. HTS's Short-Time exchange program saved us $15K in downtime. Their technicians rebuilt our Eaton drive while we got a loaner unit. Professional and reliable."

David Kowalski

"As a heavy equipment operator managing a fleet of dozers, finding a trusted construction equipment rebuild partner was critical. HTS's 100+ years of expertise and Statistical Process Control System keeps our equipment running optimally."

James Rodriguez

"Emergency breakdown on our compactor's Rexroth motor. HTS turnaround was remarkable—48 hours from diagnosis to installation. Their installation advice service guided our crew perfectly. Outstanding responsiveness."

Patricia Nwosu

"We sold several obsolete hydrostatic cores to HTS through their Purchase Program and received top-price. Their buyer's program streamlined everything. Excellent value for our surplus inventory."

Robert Sullivan

"Working with HTS for five years now on our Parker hydrostatic repairs. Every rebuild meets specifications, every warranty honored, every technician accountable. They're our go-to partner for reliability."

Linda Westbrook

"Their technicians explained the Uchida pump calibration process in detail. Rebuilt unit came back tested to spec with fresh paint and quality seal. The attention to detail in their Hydrostatic Drives, Pumps, and Motors Rebuild process is impressive."

Thomas Yamamoto

"As an international distributor, we trust HTS's buyer's program and exchange capabilities. Their market positioning as a world-class hydrostatic rebuild provider makes them our preferred vendor for construction equipment rebuild sourcing globally."

Anna Bergström

"HTS rebuilt our Kawasaki hydrostatic pump to exact manufacturer specs. Unit arrived fast, works perfectly, and the 1-year warranty gave us peace of mind. Highly recommend their quality rebuild service."

Marcus Chen

"We needed a construction equipment rebuild urgently. HTS's Short-Time exchange program saved us $15K in downtime. Their technicians rebuilt our Eaton drive while we got a loaner unit. Professional and reliable."

David Kowalski

"As a heavy equipment operator managing a fleet of dozers, finding a trusted construction equipment rebuild partner was critical. HTS's 100+ years of expertise and Statistical Process Control System keeps our equipment running optimally."

James Rodriguez

"Emergency breakdown on our compactor's Rexroth motor. HTS turnaround was remarkable—48 hours from diagnosis to installation. Their installation advice service guided our crew perfectly. Outstanding responsiveness."

Patricia Nwosu

"We sold several obsolete hydrostatic cores to HTS through their Purchase Program and received top-price. Their buyer's program streamlined everything. Excellent value for our surplus inventory."

Robert Sullivan

"Working with HTS for five years now on our Parker hydrostatic repairs. Every rebuild meets specifications, every warranty honored, every technician accountable. They're our go-to partner for reliability."

Linda Westbrook

"Their technicians explained the Uchida pump calibration process in detail. Rebuilt unit came back tested to spec with fresh paint and quality seal. The attention to detail in their Hydrostatic Drives, Pumps, and Motors Rebuild process is impressive."

Thomas Yamamoto

"As an international distributor, we trust HTS's buyer's program and exchange capabilities. Their market positioning as a world-class hydrostatic rebuild provider makes them our preferred vendor for construction equipment rebuild sourcing globally."

Anna Bergström
The HTS Difference

Why Choose Hydrostatic Transmission Service?

We combine deep technical expertise, rigorous quality control, and industry-leading programs to deliver hydraulic rebuilds that perform — every time.

100+ Years Combined Experience

Our technicians bring over 100 years of combined expertise in hydraulic and hydrostatic service, ensuring your construction equipment is in seasoned hands.

1-Year Warranty on Every Rebuild

Every rebuilt hydrostatic unit ships with a full 1-year warranty — giving construction operators confidence and protection against unexpected failures after service.

Statistical Process Control Quality System

We use a Statistical Process Control system to compare quality data against manufacturer specifications, holding each technician accountable for the precision of their work.

Minimal Downtime, International Reach

Our Short-Time Exchange Program ships warranted rebuilt units rapidly to customers worldwide — so your construction projects face the shortest possible disruption, no matter where you operate.

About Hydrostatic Transmission Service

A world-class team dedicated to hydraulic rebuild excellence.

Hydrostatic Transmission Service, LLC, headquartered in Tupelo, MS, has established itself as one of the world's premier providers of hydrostatic rebuild and exchange services. With a team carrying over 100 years of combined experience in the hydraulic and hydrostatic service industry, the company has built a lasting reputation for precision, quality, and reliability. Serving construction equipment operators, agricultural fleets, and industrial machinery users internationally, HTS has grown by consistently anticipating customer needs and delivering on its core value: quality above all else. Every technician is individually accountable for their work, and every rebuilt unit is tested against manufacturer specifications before it leaves the facility. From rapid exchange programs to hard-to-find parts sourcing, HTS is the partner construction professionals trust to keep their equipment running.

100+ YearsCombined technician experience in hydraulic & hydrostatic service
1-Year WarrantyIncluded on every rebuilt hydrostatic drive, pump, or motor
International ServiceRebuild, exchange, and parts supply available worldwide

Frequently Asked Questions

What is a CAT certified rebuild?

A CAT certified rebuild refers to a remanufacturing process that meets Caterpillar's official quality and performance standards, using approved components and procedures. While Hydrostatic Transmission Service rebuilds to OEM manufacturer specifications for a wide range of brands, our Statistical Process Control system ensures every unit meets or exceeds the precision standards expected from a certified rebuild process.

What is the difference between repair and rebuild?

What brands of hydraulic equipment do you rebuild?

Does every rebuilt unit come with a warranty?

How does the Short-Time Exchange Program work?

How are rebuilt units tested before shipping?

Do you supply hydraulic parts for self-repairs?

Do you purchase used or surplus hydraulic equipment?

Still Have Questions About Your Hydraulic Equipment?

Speak directly with an experienced technician for guidance on your specific unit or situation.

Quality You Can Trust

Awards and Recognition

1-Year Rebuild Warranty badge for Hydrostatic Transmission Service

1-Year Rebuild Warranty

Industry-standard warranty on every rebuilt hydraulic unit

Statistical Process Control quality system certification badge

Statistical Process Control Certified

Precision quality verification against manufacturer specifications

100 years combined experience badge for Hydrostatic Transmission Service team

100+ Years Combined Experience

Recognized industry expertise across hydraulic and hydrostatic service

Get a Fast Quote on Your Hydraulic Rebuild

Tell us about your equipment and failed unit. Our experienced technicians will assess your needs and respond promptly with rebuild, exchange, or parts options tailored to your situation.

Contact Us Today

For immediate assistance, feel free to give us a direct call at (800)-361-0068 You can also send us a quick email at sales@htsrepair.com