Agricultural Equipment & Farm Machinery Manufacturing worked example

Field Failure Warranty Reserve at 56% approved claim share: a worked example

This worked example runs the field failure warranty reserve numbers for a tougher week than the baseline: 56% approved claim share instead of the typical 78%. Estimate warranty reserve for agricultural equipment field failures from affected machines, claim cost per machine, expected approval share, and campaign support cost.

The inputs for this scenario

  • Affected machines in the field: 240 machines (held at the documented default)
  • Expected warranty claim cost: 680 $ / machine (held at the documented default)
  • Approved claim share: 56 % (the input this scenario stresses; the baseline uses 78)
  • Service bulletin or campaign cost: 25,000 $ (held at the documented default)

Working through the calculation

  • The calculation starts from the formula this tool documents: Approved field failure exposure = affected machines × expected claim cost × approved claim share.
  • Field failure warranty reserve works out to 116,392 $ warranty reserve at these inputs, and this is the headline figure for the scenario.
  • Expected warranty claim cost works out to 485 $ / machine at these inputs.
  • Approved field failure claim exposure works out to 91,392 $ warranty reserve at these inputs.
  • Service bulletin or campaign cost works out to 25,000 $ at these inputs.

How this compares with the baseline

  • Against the tool's baseline example, where approved claim share sits at 78% and the headline result is 152,296 $ warranty reserve, this scenario comes in 23.58% below the baseline at 116,392 $ warranty reserve.
  • Use it when a defect has been confirmed across a population of delivered machines and you need to size the accounting accrual and the field-action budget. A result at this level usually justifies acting on the stressed input before touching anything else, because every other figure in the table is downstream of it.

Results at a glance

  • Field failure warranty reserve: 116,392 $ warranty reserve (headline result)
  • Expected warranty claim cost: 485 $ / machine
  • Approved field failure claim exposure: 91,392 $ warranty reserve
  • Service bulletin or campaign cost: 25,000 $

Run it with your numbers

  • To rerun this with your own numbers, open the live Field Failure Warranty Reserve calculator, set approved claim share to your actual value, and adjust the remaining inputs to match your operation.

Last reviewed 2026-05-12.