PSI Engine

Take control of fuel usage and lift truck performance with the PSI engine.

Engines with Yale® Flex Performance Technology™ feature adjustable performance modes that allow you to maximize performance or fuel economy to fit your specific application requirements

Adjustable Performance Modes

  • Custom-designed for Yale by Power Solutions International
  • Extended service intervals
  • Reduced periodic maintenance requirements
  • Improved operator ergonomics

Rigorous Testing

  •  30,000 Hours of testing
  •  17,000 Hours of driving
  •  300 Hours of multi-axis stimulation testing