Takeaways
- Document Every Complication: Detail diagnostic steps and specific physical hurdles, like seized hardware, to justify labor hours that exceed standard repair times.
- Use Photos as a Safety Net: Always photograph failed components, ID tags, and fault code screens, as visual evidence is often the deciding factor in claim approval.
- Create a Written Paper Trail: Never rely solely on verbal approvals from OEM reps; always confirm agreements via email to ensure they are enforceable during the claim process.
The ag equipment landscape is evolving at a rapid pace, with modern machinery now featuring advanced computers and complex sensors. Devon McGwin, development and compliance director with Warranty Consulting Services, notes that with nearly two decades of experience, he has seen the "gravy train" of simple warranty reporting disappear.
Defining the Warranty Baseline
McGwin explains that at its core, warranty is a protection against "defect of material and/or workmanship". While the vast majority, roughly 97%, of eligible repairs fall under defective material, many dealers overlook the critical category of "defective workmanship."
According to McGwin, this category includes assembly or design issues identified during arrival inspections, such as incorrectly routed hydraulic lines or loose fittings that require correction before the customer takes delivery. It also covers software corruption where an electronic control unit (ECU) needs to be reflashed. "The ECU, the module itself, has not failed," McGwin notes. "The software itself ended up being corrupted, so that is another situation or an instance where defective workmanship may come into play".
The ‘3Cs’ & Labor Scrutiny
The technician's work order serves as the primary "story" for the manufacturer. McGwin emphasizes using the CCC format: Complaint, Cause and Correction. While material costs are rarely disputed, manufacturers "really like to scrutinize labor",” he says. To secure full reimbursement, technicians must move far beyond the "broke/fixed" scenario.
The Cause: Specificity is mandatory. Simply stating an "engine failed" is insufficient to justify a complete assembly replacement. "Was there a drop cylinder liner, camshaft failure, did a piston blow up and now there's a hole in the side of the block?" McGwin says. If a specific part like a camshaft failed, the report must identify it as the root cause to satisfy stakeholders like parts engineering, he explains.
The Correction: This section must justify every hour of labor. It should include diagnostic measures, such as pressure testing, and the specific results of those tests. McGwin highlights "repair complications" as a major missed opportunity. He shares this example. If a manufacturer's time guide allots two hours for a turbocharger replacement, but a technician spends 4 hours because bolts had to be drilled and tapped due to heat damage, those complications must be documented. "If you do not give specifics," McGwin says, "then at that point,they will say, 'No, thank you to that additional 2 hours.’”
Leveraging Digital & Visual Evidence
As ag equipment becomes more complex, fault codes have become indispensable. McGwin recommends performing a data download or matrix reading whenever possible. This acts as a safety net against technician typos when manually recording codes, he says.
"Photos cost nothing nowadays, and it takes mere moments," McGwin says. He suggests technicians take wide-angle and close-up photos of the failure, the failed part after removal and the instrument cluster showing operating hours or error codes. These photos provide undeniable proof that can save a claim if an adjudicator is skeptical of the written text. Similarly, he says reports from fuel and oil samples should be included if they help justify extensive repairs due to system-wide contamination.
Communication & Component Tracking
A frequent hurdle in ag equipment warranty is missing component serial numbers. Manufacturers often require the old and new serial numbers for major assemblies like engines, transmissions, or axles. McGwin suggests technicians photograph every ID tag before installation to avoid the awkward situation of calling a customer later to pop the hood.
Additionally, dealers must document all communication with OEM representatives. If a representative verbally approves an elaborate repair, that agreement must be followed up in writing. "If it's not in writing, it's very hard to enforce," McGwin cautions. Without a paper trail, the manufacturer’s warranty team may not honor a verbal deal made over the phone.
Standardizing the Process
Finally, McGwin argues that ag equipment dealers should handle warranty and customer-pay work orders identically. Standardizing the documentation process ensures technicians are always in the habit of providing detail, which helps justify bills to skeptical customers. This also protects the dealer if a job initially billed to a customer is later found to be eligible for warranty. In such cases, "broke/fixed" documentation will simply not be enough to secure a successful claim.
Editor's Note: AI tools were used to assist in the writing of this article.


