Drivetrain Development

Driveline Testing & Research

Drivetrain systems are at the core of modern mobility, transferring power from energy sources to driven components across automotive, industrial, marine, aerospace, military, and government applications. Whether mechanical or electrified, these systems play a crucial role in efficiency, durability, and performance.

At Southwest Research Institute (SwRI), we provide cutting-edge driveline testing and research solutions to help OEMs and industry leaders maximize their products. Our engineering experts support your product’s success with comprehensive testing, innovative research, and advanced engineering solutions.

Powertrain Testing & Benchmarking Expertise

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Image of testing E-axle in SwRI driveline testing lab

E-axle testing in SwRI’s driveline testing laboratories.

SwRI offers powertrain testing for conventionally powered vehicles and electric mobility systems. We specialize in comprehensive drivetrain system evaluation, including:

  • Electrified & Mechanical Drivetrains – Performance, efficiency, and durability testing
  • Precision Measurements – High-accuracy efficiency, spin-loss, and parasitic loss assessments
  • Powertrain Benchmarking – Reverse engineering, control analysis, and component-level characterization

Core Testing Capabilities

Our advanced testing and research solutions include:

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Image of testing early clutch component

Early clutch component testing with developmental housing, hydraulic actuation, engagement control software with variable output inertia and speed-based loading.

  • Performance Evaluation & Characterization
    • High-precision efficiency, spin-loss, and parasitic loss measurements
    • Hardware-in-the-loop (HIL) and vehicle simulation test stands (VVTTC)
    • Torsional analysis and rotating machinery dynamics replication
  • Powertrain Benchmarking
    • Reverse engineering of drivetrain control systems
    • Full suite of bench tests, modeling, and component-level assessments
  • Component-Level Testing
    • In-depth loss characterization for improved system efficiency

Why Partner with SwRI?

We deliver exceptional client service backed by decades of experience in drivetrain systems and beyond. Our multidisciplinary experts span technical divisions across campus, including environmental testing, enabling us to support a wide range of project needs. Whether it’s a standard application or a one-off, highly specialized test, we offer flexible, client-focused solutions tailored to each project’s unique requirements. Our facilities and staff support testing and development across all Technology Readiness Levels (TRL), from early-stage concepts to full-scale validation.

  • Collaborative project development – Tailored research and testing solutions
  • Industry-leading execution – Quality, precision, and innovation at every step
  • Long-term support – Ongoing assistance beyond project completion

Who We Work With

We partner with OEMs, suppliers, government agencies, and industry leaders across multiple sectors, including:

  • Automotive & Heavy-Duty Vehicles
  • Off-Highway & Industrial Equipment
  • Aerospace & Aviation
  • Military & Defense
  • Medical & Specialized Applications

Explore Our Testing Services

  • Drivetrain Assemblies
  • Drivetrain Components
  • E-Axle Testing
  • E-Motor Analysis
  • Inverter Performance Testing

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