Danfoss Hydrostatic Drive Repair & Support

When your Danfoss or Sauer Danfoss hydrostatic drive fails, every hour of downtime costs you. Hydrostatic Transmission Service specializes in rebuilding, testing, and calibrating Danfoss drives, pumps, and motors to exact manufacturer specifications—covering Series 15 through Series 90, H1, D1, and more. Get a warranted, quality-assured rebuild or a short-time exchange unit shipped fast.

Technician rebuilding a Danfoss hydrostatic drive pump in a professional repair facility

Our Danfoss Hydrostatic Drive Repair & Support Services

Comprehensive Danfoss hydrostatic rebuild, exchange, parts supply, and installation support to minimize your downtime.

Danfoss & Sundstrand Rebuild

Complete rebuild, testing, adjustment, and calibration of Danfoss and Sundstrand hydrostatic drives, pumps, and motors. Covers Series 15 through Series 90, H1, D1, O-Series, T-Series, W-Series, and R-Series. All units come with a 1-year warranty.

Short-Time Exchange Program

Minimize costly downtime with our hydrostatic exchange program. We ship a quality-tested, warranted rebuilt Danfoss unit fast so your equipment is back in operation with minimal disruption. Full warranty included on every exchange.

Hydrostatic Parts Supply

We stock new, used, and hard-to-find Danfoss and Sundstrand hydrostatic parts. Our international parts supply ensures you can source the components you need quickly, whether for a repair, rebuild, or preventative maintenance project.

Installation Advice Service

Our trained technicians provide expert installation guidance for Danfoss hydrostatic drives, pumps, and motors. Get the knowledge and support needed to install and maintain your hydrostatic unit correctly and safely.

Core Purchase Program

We pay top price for surplus Danfoss and Sauer Danfoss hydrostatic cores, pumps, motors, and parts. Turn idle or worn inventory into value through our transparent, competitive purchasing program.

Drives, Pumps & Motors Rebuild

Full-service rebuild of hydrostatic drives, pumps, and motors across all major brands including Sauer Danfoss. Includes disassembly, cleaning, machining, seal replacement, pressure and flow testing, and quality control against manufacturer specifications.

Step-by-step Danfoss hydrostatic drive rebuild process in a professional repair workshop

Our 6-Step Danfoss Rebuild Process

Intake, Inspection & Disassembly

Each Danfoss hydrostatic unit is received, logged, and disassembled by trained technicians in a controlled, reduced-dust environment. Pressure washing prepares all components for thorough evaluation before any rebuild work begins.

Cleaning & Precision Measurement

Machining, Reconditioning & Parts Replacement

Reassembly & Leak Testing

Pressure, Flow & Quality Control Testing

Final Finishing, Warranty Seal & Shipping

Trusted Internationally

Customer Success Stories

See how industrial and heavy equipment operators worldwide rely on our Danfoss rebuilds to reduce downtime and restore performance.

"HTS rebuilt our Danfoss Series 22 pump to exact manufacturer specs. Installation was seamless, and the one-year warranty gave us confidence. Exceptional quality and reliability for our heavy loader operations."

Marcus Webb

"Our construction equipment suffered catastrophic transmission failure. HTS's Short-Time exchange program got us back running in days with a quality-tested rebuilt unit. This saved us thousands in downtime costs."

Jennifer Cross

"We've relied on their danfoss drive repair expertise for five years now. Their technicians understand our equipment inside-out, and every rebuild meets manufacturer specifications perfectly."

Robert Chen

"Needed an urgent Kawasaki hydrostatic motor replacement. HTS turned it around in record time without compromising quality. Their responsiveness and technical expertise are unmatched in the industry."

David Kowalski

"We sold them surplus Rexroth and Parker inventory and received top-price. Their buyers program is transparent, fair, and hassle-free. Great way to recover value from surplus stock."

Patricia Anderson

"Working with HTS for over a decade now. They've become our trusted partner for all Eaton and Sundstrand repairs. Consistency, integrity, and genuine care for our business success set them apart."

Thomas Meadows

"Their Statistical Process Control system ensures every Uchida pump rebuild meets manufacturer specs precisely. Technical transparency and quality accountability make them our go-to rebuilder internationally."

Alain Laroche

"As a heavy equipment distributor, we specify HTS for danfoss drive repair because their 100+ years combined expertise and manufacturer-matched rebuilds enhance our competitive advantage and customer satisfaction."

William Sterling

"HTS rebuilt our Danfoss Series 22 pump to exact manufacturer specs. Installation was seamless, and the one-year warranty gave us confidence. Exceptional quality and reliability for our heavy loader operations."

Marcus Webb

"Our construction equipment suffered catastrophic transmission failure. HTS's Short-Time exchange program got us back running in days with a quality-tested rebuilt unit. This saved us thousands in downtime costs."

Jennifer Cross

"We've relied on their danfoss drive repair expertise for five years now. Their technicians understand our equipment inside-out, and every rebuild meets manufacturer specifications perfectly."

Robert Chen

"Needed an urgent Kawasaki hydrostatic motor replacement. HTS turned it around in record time without compromising quality. Their responsiveness and technical expertise are unmatched in the industry."

David Kowalski

"We sold them surplus Rexroth and Parker inventory and received top-price. Their buyers program is transparent, fair, and hassle-free. Great way to recover value from surplus stock."

Patricia Anderson

"Working with HTS for over a decade now. They've become our trusted partner for all Eaton and Sundstrand repairs. Consistency, integrity, and genuine care for our business success set them apart."

Thomas Meadows

"Their Statistical Process Control system ensures every Uchida pump rebuild meets manufacturer specs precisely. Technical transparency and quality accountability make them our go-to rebuilder internationally."

Alain Laroche

"As a heavy equipment distributor, we specify HTS for danfoss drive repair because their 100+ years combined expertise and manufacturer-matched rebuilds enhance our competitive advantage and customer satisfaction."

William Sterling

"HTS rebuilt our Danfoss Series 22 pump to exact manufacturer specs. Installation was seamless, and the one-year warranty gave us confidence. Exceptional quality and reliability for our heavy loader operations."

Marcus Webb

"Our construction equipment suffered catastrophic transmission failure. HTS's Short-Time exchange program got us back running in days with a quality-tested rebuilt unit. This saved us thousands in downtime costs."

Jennifer Cross

"We've relied on their danfoss drive repair expertise for five years now. Their technicians understand our equipment inside-out, and every rebuild meets manufacturer specifications perfectly."

Robert Chen

"Needed an urgent Kawasaki hydrostatic motor replacement. HTS turned it around in record time without compromising quality. Their responsiveness and technical expertise are unmatched in the industry."

David Kowalski

"We sold them surplus Rexroth and Parker inventory and received top-price. Their buyers program is transparent, fair, and hassle-free. Great way to recover value from surplus stock."

Patricia Anderson

"Working with HTS for over a decade now. They've become our trusted partner for all Eaton and Sundstrand repairs. Consistency, integrity, and genuine care for our business success set them apart."

Thomas Meadows

"Their Statistical Process Control system ensures every Uchida pump rebuild meets manufacturer specs precisely. Technical transparency and quality accountability make them our go-to rebuilder internationally."

Alain Laroche

"As a heavy equipment distributor, we specify HTS for danfoss drive repair because their 100+ years combined expertise and manufacturer-matched rebuilds enhance our competitive advantage and customer satisfaction."

William Sterling
The HTS Difference

Why Choose Hydrostatic Transmission Service?

We bring unmatched expertise, rigorous quality standards, and customer-first programs to every Danfoss hydrostatic repair.

100+ Years Experience

Our team holds over 100 years of combined expertise in hydrostatic and hydraulic service, ensuring reliable Danfoss rebuilds every time.

1-Year Warranty

Every rebuilt Danfoss unit ships with a full 1-year warranty, giving you confidence in performance and long-term protection for your investment.

Minimize Downtime Fast

Our Short-Time Exchange Program ships a quality-tested, warranted Danfoss replacement unit quickly—keeping your operations running with minimal disruption.

Manufacturer-Spec Quality Control

Our Statistical Process Control System rigorously compares rebuild data to Danfoss manufacturer specifications, with each technician held accountable for their work.

Meet the HTS Team

Experienced hydrostatic specialists dedicated to precision, quality, and your uptime.

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 lasting relationships with industrial, agricultural, construction, and heavy machinery operators across the globe. Serving major customers including Sauer Danfoss, Eaton, John Deere, Parker, and Rexroth Bosch, HTS is recognized internationally for its commitment to quality. Based in Tupelo and serving customers worldwide, the company's core value is simple: quality is our most important asset. From the Mississippi facility, HTS ships warranted, rebuilt Danfoss units to customers wherever their equipment operates.

100+ YearsCombined team experience in hydrostatic and hydraulic service
1-Year WarrantyOn every rebuilt or exchanged hydrostatic unit
International ReachServing industrial and heavy equipment operators worldwide

Frequently Asked Questions

Can a VFD be repaired?

Yes, variable frequency drives and hydrostatic drives can often be repaired rather than replaced, depending on the extent of damage. At Hydrostatic Transmission Service, our technicians assess each Danfoss unit thoroughly—rebuilding, testing, and calibrating components to manufacturer specifications. Repairing rather than replacing is typically faster and more cost-effective, and all rebuilt units come with a full 1-year warranty.

What is the life cycle of a Danfoss drive?

Which Danfoss hydrostatic series do you service?

What does the Danfoss rebuild process include?

How quickly can I get a replacement Danfoss unit?

Do you supply Danfoss hydrostatic parts?

What warranty comes with a rebuilt Danfoss unit?

Do you offer installation support for Danfoss hydrostatic units?

Still Have Questions About Danfoss Repair?

Speak with a Danfoss hydrostatic specialist for expert guidance and a free quote.

Certified & Trusted

Awards and Recognition

1-Year Rebuild Warranty badge for Hydrostatic Transmission Service

1-Year Rebuild Warranty

All rebuilt units warranted to manufacturer specifications.

Statistical Process Control quality certification badge

Statistical Process Control

Quality data verified against manufacturer specifications on every unit.

International Service Excellence recognition badge for Hydrostatic Transmission Service

International Service Excellence

World-recognized provider of hydrostatic rebuild and exchange services.

Get a Fast Quote on Your Danfoss Hydrostatic Repair

Submit your unit details and our specialists will respond promptly with a rebuild or exchange quote. Reach us at (800)-361-0068 or sales@htsrepair.com—we serve customers worldwide from our Tupelo, MS facility.

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