Heavy Equipment Powertrain Rebuild Services

When your heavy equipment powertrain fails, every hour of downtime costs you money. Our expert technicians rebuild transmissions, final drives, and hydraulic systems to OEM specifications with rapid turnaround and a full 1-year warranty. We serve construction, mining, and agricultural operations nationwide with repair-and-return or exchange programs designed to get your equipment back in operation fast.

Heavy equipment powertrain components being rebuilt in professional workshop

Our Powertrain Rebuild Services

Complete powertrain solutions from transmissions to final drives, expertly rebuilt to manufacturer specifications.

Hydrostatic Transmission Rebuild

Full service, repair, and remanufacture of hydrostatic transmission systems for heavy equipment. Includes pump and motor rebuild, testing, calibration, and exchange programs for fast turnaround.

Final Drive Repair & Parts

Rebuild and repair final drive gear assemblies that transfer power from hydraulic motors to tracks and wheels. Parts supply and complete rebuild services for all major equipment brands.

Excavator Pump Systems

Specialized rebuild, testing, and calibration of excavator hydraulic drive pumps and motors to manufacturer specifications. Repair-and-return or exchange options available.

Mining Dump Truck Components

Parts supply and specialized repair for haul truck powertrains engineered to handle extreme loads in mining operations. Service coverage for all major mining truck manufacturers.

Agricultural Equipment Powertrains

Repair and rebuild hydrostatic pumps and motors for tractors, combines, and harvesters back to factory specifications with quick turnaround to minimize harvest season downtime.

Hydraulic Motor Rebuild

Complete repair services for fixed and variable displacement hydrostatic motors including bent axis and orbital configurations. Remanufactured, rebuild, and exchange programs available.

Technician testing rebuilt heavy equipment transmission on diagnostic equipment

Our 5-Step Powertrain Rebuild Process

Diagnostic Assessment & Disassembly

We begin with a comprehensive diagnostic evaluation of your powertrain components. Our technicians carefully disassemble the unit, documenting wear patterns and failure points. Each component is inspected against OEM specifications to determine repair feasibility and identify all parts requiring replacement.

Precision Cleaning & Inspection

Component Replacement & Machining

Reassembly & Calibration to OEM Specs

Performance Testing & Quality Verification

Trusted Across Industries

Powertrain Success Stories

From construction sites to mining operations, we keep heavy equipment running with expert powertrain rebuilds.

"Hydrostatic Pump Repair rebuilt our excavator pump to OEM specs. Fast turnaround, excellent quality, and the warranty gives us peace of mind on our construction sites."

Marcus Chen

"We struggled finding Sundstrand parts for our harvester until we called them. Their Parts Sales and Supply service solved our problem—rare inventory, competitive pricing, and friendly staff."

David Kowalski

"Our fleet needed heavy equipment powertrain rebuild services urgently. Their Excavator Pump Repair team delivered results fast—same quality, half the downtime we expected."

Jennifer Summers

"Final Drive Parts & Repair service saved us thousands. They had the exact Caterpillar components we needed and rebuilt our track drive in record time. Excellent technical expertise."

Robert Thompson

"Their flexible payment options made upgrading our tractor transmission affordable. Fast shipping, one-year warranty, and the Tractor Repair Service was thorough and professional throughout."

Susan Miller

"Been using Hydrostatic Pump Repair for five years now. The Hydrostatic Motor Repair service never disappoints—consistent quality, reliability, and they treat us like partners, not transactions."

Patrick O'Brien

"Heavy equipment powertrain rebuild services require expertise we don't have in-house. They diagnose, rebuild, and calibrate everything perfectly for our Komatsu fleet across multiple states."

Angela Santos

"Their Industrial Hydrostatics Repair service kept our machine tools running. Three-day shipping, factory specs rebuilt, and the one-year warranty backed by money-back guarantee—true industry professionals."

Klaus Hoffmann

"Hydrostatic Pump Repair rebuilt our excavator pump to OEM specs. Fast turnaround, excellent quality, and the warranty gives us peace of mind on our construction sites."

Marcus Chen

"We struggled finding Sundstrand parts for our harvester until we called them. Their Parts Sales and Supply service solved our problem—rare inventory, competitive pricing, and friendly staff."

David Kowalski

"Our fleet needed heavy equipment powertrain rebuild services urgently. Their Excavator Pump Repair team delivered results fast—same quality, half the downtime we expected."

Jennifer Summers

"Final Drive Parts & Repair service saved us thousands. They had the exact Caterpillar components we needed and rebuilt our track drive in record time. Excellent technical expertise."

Robert Thompson

"Their flexible payment options made upgrading our tractor transmission affordable. Fast shipping, one-year warranty, and the Tractor Repair Service was thorough and professional throughout."

Susan Miller

"Been using Hydrostatic Pump Repair for five years now. The Hydrostatic Motor Repair service never disappoints—consistent quality, reliability, and they treat us like partners, not transactions."

Patrick O'Brien

"Heavy equipment powertrain rebuild services require expertise we don't have in-house. They diagnose, rebuild, and calibrate everything perfectly for our Komatsu fleet across multiple states."

Angela Santos

"Their Industrial Hydrostatics Repair service kept our machine tools running. Three-day shipping, factory specs rebuilt, and the one-year warranty backed by money-back guarantee—true industry professionals."

Klaus Hoffmann

"Hydrostatic Pump Repair rebuilt our excavator pump to OEM specs. Fast turnaround, excellent quality, and the warranty gives us peace of mind on our construction sites."

Marcus Chen

"We struggled finding Sundstrand parts for our harvester until we called them. Their Parts Sales and Supply service solved our problem—rare inventory, competitive pricing, and friendly staff."

David Kowalski

"Our fleet needed heavy equipment powertrain rebuild services urgently. Their Excavator Pump Repair team delivered results fast—same quality, half the downtime we expected."

Jennifer Summers

"Final Drive Parts & Repair service saved us thousands. They had the exact Caterpillar components we needed and rebuilt our track drive in record time. Excellent technical expertise."

Robert Thompson

"Their flexible payment options made upgrading our tractor transmission affordable. Fast shipping, one-year warranty, and the Tractor Repair Service was thorough and professional throughout."

Susan Miller

"Been using Hydrostatic Pump Repair for five years now. The Hydrostatic Motor Repair service never disappoints—consistent quality, reliability, and they treat us like partners, not transactions."

Patrick O'Brien

"Heavy equipment powertrain rebuild services require expertise we don't have in-house. They diagnose, rebuild, and calibrate everything perfectly for our Komatsu fleet across multiple states."

Angela Santos

"Their Industrial Hydrostatics Repair service kept our machine tools running. Three-day shipping, factory specs rebuilt, and the one-year warranty backed by money-back guarantee—true industry professionals."

Klaus Hoffmann
The Powertrain Specialists

Why Choose Hydrostatic Pump Repair?

Industry-leading powertrain rebuild expertise with nationwide service and unmatched manufacturer coverage.

OEM-Spec Rebuilds

Every powertrain rebuild meets or exceeds original manufacturer specifications with precision machining and calibration.

1-Year Warranty

All rebuilt powertrains come with a comprehensive 1-year warranty and full money-back guarantee for your protection.

Rapid Turnaround

Our exchange programs and typically 3-day shipping minimize your equipment downtime and keep projects on schedule.

All Major Brands

Service coverage for Caterpillar, Komatsu, John Deere, Hitachi, Volvo, Liebherr, and hundreds of other equipment manufacturers.

Meet Our Expert Team

Factory-trained technicians with decades of powertrain rebuild experience.

Hydrostatic Pump Repair has built its reputation as North America's premier powertrain rebuild specialist through unwavering commitment to precision and customer service. Our team of factory-trained technicians brings decades of combined experience rebuilding transmissions, final drives, and hydraulic systems for heavy equipment across construction, mining, agricultural, and industrial sectors. We've invested in state-of-the-art testing equipment and maintain one of the industry's most comprehensive parts inventories, ensuring we can service virtually any heavy equipment powertrain regardless of manufacturer or age. Our nationwide service network operates five mobile warehouses strategically positioned to deliver rapid response, while our main facility houses precision machining capabilities and calibrated test stands that replicate real-world operating conditions. Every powertrain that leaves our facility has been rebuilt to exact OEM specifications and rigorously tested to verify performance. We stand behind our work with a comprehensive 1-year warranty because we understand that your equipment's reliability directly impacts your bottom line.

1-Year WarrantyComprehensive warranty on all powertrain rebuilds
50+ ManufacturersService coverage for all major heavy equipment brands
Nationwide ServiceCoast-to-coast coverage across all 50 states

Frequently Asked Questions

What types of heavy equipment powertrains do you rebuild?

We rebuild hydrostatic transmissions, final drives, hydraulic pumps and motors for excavators, bulldozers, mining trucks, agricultural machinery, material handling equipment, and industrial machines. Our service covers all major manufacturers including Caterpillar, Komatsu, John Deere, Hitachi, Volvo, Liebherr, Case, New Holland, and hundreds of others. We handle both mobile equipment and stationary industrial applications across construction, mining, agriculture, forestry, and manufacturing sectors.

How long does a typical powertrain rebuild take?

Do rebuilt powertrains come with a warranty?

How much does a powertrain rebuild cost compared to replacement?

Can you rebuild powertrains for older or discontinued equipment models?

Do you offer on-site powertrain repair services?

What information do you need for a powertrain rebuild quote?

What's included in your powertrain rebuild process?

Need Expert Powertrain Advice?

Our technicians can assess your specific situation and recommend the most cost-effective repair solution.

Nationwide Powertrain Rebuild Services

We serve heavy equipment operators across all 50 states with nationwide shipping and mobile service capabilities.

All 50 States

Service Coverage

5 Equipped Units

Mobile Warehouses

3-Day Turnaround

Standard Shipping

Do We Service Your Equipment?

Contact us to discuss your powertrain rebuild needs regardless of your location or equipment type.

Expert & Certified

Awards and Recognition

OEM certified technician badge

OEM-Certified Technicians

Factory-trained in manufacturer rebuild procedures

ISO quality certification emblem

ISO Quality Standards

Precision rebuilds meeting international quality benchmarks

OSHA safety compliance certification

Industry Safety Compliance

OSHA-compliant repair facility and procedures

Get Your Heavy Equipment Powertrain Rebuilt by the Experts

Fill out the form below or call 800-361-0028 for a free quote. We'll assess your needs and provide a detailed estimate with turnaround time.

Contact Us Today

For immediate assistance, feel free to give us a direct call at 8003610028