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Case Study: Wheel Hub Assembly Supply for a fleet operator in Central America

Source:Case / Time:2026-09-18

Wheel Hub Assembly for A fleet operator in Central America

A fleet operator came to us with a wheel hub assembly programme for Central America. The brief was ordinary and unforgiving at the same time: a fixed launch window, a landed cost that had to survive freight and duty, and a part that had to match an existing sample. This case records what was specified, what went wrong in sampling and how the bulk order landed.

The starting point

  • A supplier who changed material without saying so
  • Documentation that arrived after the container shipped
  • Warranty claims traced back to a single lot

Wheel Hub Assembly case study

What was specified

PartWheel Hub Assembly
ClientA fleet operator
MarketCentral America
Volume20,000 pieces across 4 specifications
Base materialSemi-Metallic Compound
Sampling rounds2
Delivery window6 weeks from PO to ex-factory
ComplianceSAE J431

How it was resolved

  1. The specification was rebuilt around Semi-Metallic Compound and the tolerance locked before bulk.
  2. A pre-production sample was approved and kept as the golden reference.
  3. Production ran with in-line inspection and a mid-run photo report.
  4. Cartons were packed to the client's own barcode and ratio specification.
  5. Documentation shipped with the goods instead of after them.

Wheel Hub Assembly production run

Result

  • 20,000 pieces delivered inside the 6-week window.
  • Unit cost held within 1.5% of the original quotation.
  • Inspection-related rejection stayed under 1.0%.
  • The specification is on file, so reorders reproduce the approved sample.

What we would repeat

Approve a pre-production sample made from the actual bulk material. Substitute material behaves differently in service.

Planning something similar?

Share a sample or a drawing and we will quote against a written specification, not against a photograph.

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