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Case Study: Wiper Motor Supply for a construction contractor in Southern Africa

Source:Case / Time:2026-09-18

Wiper Motor for A construction contractor in Southern Africa

A construction contractor came to us with a wiper motor programme for Southern Africa. 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

  • Reorders that did not match the approved sample
  • Premature wear on the first batch
  • Inconsistent hardness between lots

Wiper Motor case study

What was specified

PartWiper Motor
ClientA construction contractor
MarketSouthern Africa
Volume50,000 pieces across 4 specifications
Base materialTitanium Alloy
Sampling rounds4
Delivery window10 weeks from PO to ex-factory
ComplianceRoHS

How it was resolved

  1. The specification was rebuilt around Titanium Alloy 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.

Wiper Motor production run

Result

  • 50,000 pieces delivered inside the 10-week window.
  • Unit cost held within 3.0% of the original quotation.
  • Inspection-related rejection stayed under 1.5%.
  • The specification is on file, so reorders reproduce the approved sample.

What we would repeat

Lock the material standard before sampling. Once the base changes, every downstream approval has to be redone and the calendar slips.

Planning something similar?

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

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