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Onboard Diagnostic Tools Specification Example for Agricultural Trailers: Reinforced Build

Source:Steel Wheel Hub / Time:2026-09-18

Onboard Diagnostic Tools Specification Example for Agricultural Trailers: Reinforced Build

This is a worked specification for onboard diagnostic tools in a reinforced build programme. It is the document we would send a buyer who asks what exactly they are getting: the material, the dimensions that are actually controlled, the finish, and the checks that happen before anything is packed.

The reinforced build version exists because the duty cycle on agricultural trailers is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually a fitment that looked right on paper and failed on the bench.

Onboard Diagnostic Tools

Example specification

ItemOnboard Diagnostic Tools
ApplicationAgricultural Trailers
VersionReinforced Build
Base materialZinc Plated Steel
Controlled dimensions4 key dimensions, recorded per lot
Tolerance band±0.1 mm
Finishas machined
MOQ1,000 pieces per specification
Sampling7 working days, 5 days per revision
ComplianceIATF 16949

How the example is built up

  1. Start from the duty cycle, not from the catalogue photograph.
  2. Fix the base material in writing — Zinc Plated Steel, in this example.
  3. List the dimensions that are actually controlled and the tolerance on each.
  4. Name the finish and what it has to survive.
  5. State the inspection level and who pays when a lot fails.

Onboard Diagnostic Tools example

Processes involved

  • powder coating
  • die casting
  • laser cutting
  • surface grinding
  • injection moulding
  • sintering

Where this example applies

Programmes that run reinforced build most often specify this build for agricultural trailers. Related applications include dealership service, export programmes, fleet maintenance, emergency vehicles, construction equipment.

Checks before packing

  • Dimensional report against the approved drawing.
  • AQL 1.5 sampling on the finished lot.
  • Finish inspection under agreed lighting.
  • Carton drop test on the first lot of a new packing specification.

Questions buyers ask

Can you match an existing sample?

Send a sample and we will reverse-engineer the specification, then produce a counter sample for approval before any bulk starts.

Can the specification be held on file?

Yes. Once approved, the specification is recorded against your part number so a reorder reproduces the IATF 16949-compliant build instead of a fresh interpretation.

How is packing specified?

Individual packing, inner box quantity and carton marking are confirmed at quotation stage so the cartons arrive ready for your warehouse.

Do you handle mixed containers?

Yes. Most programmes consolidate several part numbers into one container to keep freight sensible at 1000 pieces per line.

Ask for the current catalogue and the specification sheet for this line.

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