New Holland DEF Sensor Investigation

Migliaccio & Rathod LLP is investigating reports that certain New Holland T8 and T9 tractors experience premature failures of DEF quality sensors that trigger engine derates, warning lights, and unexpected downtime.

What Consumers Report

Owners report:

  • DEF warning lights despite using quality diesel exhaust fluid.
  • Engine derates during field operations.
  • Unexpected service calls.
  • Costly replacement of DEF sensors.
  • Repeat failures after repair.
  • Delays during critical planting and harvesting periods.
  • Significant out-of-pocket repair expenses.

Why Consumers Should Be Concerned

A defective DEF quality sensor can substantially interfere with agricultural operations by reducing engine performance or disabling equipment. Consumers allege that the New Holland sensors fail well before they should and that replacement sensors may suffer from similar problems.

Potential Claims May Include

  • Product defect
  • Design defect
  • Breach of warranty
  • Magnuson-Moss Warranty Act
  • Consumer protection violations
  • Failure to disclose known defects

Signs You May Be Affected

You may be affected if:

  • You own a New Holland T8 or T9 tractor.
  • Your equipment experienced DEF sensor failures.
  • Your tractor entered reduced-power mode.
  • You incurred repair expenses for emissions components.
  • Your farming operations were interrupted.

If you have encountered these issues, we would like to hear from you. Please complete the contact form on this page, send us an email at [email protected], or give us a call at (202) 470-3520.

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