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Electric Car Motor Specification Example for Passenger Cars: Lightweight Version

Source:Wheel Drive Axles / Time:2026-09-18

Electric Car Motor Specification Example for Passenger Cars: Lightweight Version

This is a worked specification for electric car motor in a lightweight version 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 lightweight version version exists because the duty cycle on passenger cars is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually premature wear on the first batch.

Electric Car Motor

Example specification

ItemElectric Car Motor
ApplicationPassenger Cars
VersionLightweight Version
Base materialCast Iron
Controlled dimensions3 key dimensions, recorded per lot
Tolerance band±0.5 mm
Finishzinc plated
MOQ200 pieces per specification
Sampling10 working days, 5 days per revision
ComplianceREACH

How the example is built up

  1. Start from the duty cycle, not from the catalogue photograph.
  2. Fix the base material in writing — Cast Iron, 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.

Electric Car Motor example

Processes involved

  • anodising
  • precision stamping
  • shot blasting
  • powder coating
  • robot welding
  • laser cutting

Where this example applies

Programmes that run lightweight version most often specify this build for passenger cars. Related applications include dealership service, utility trailers, fleet maintenance, municipal fleets, aftermarket retail.

Checks before packing

  • Dimensional report against the approved drawing.
  • AQL 4.0 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

What is the minimum order quantity?

The standard MOQ is 200 pieces per specification. Mixed sizes inside one shipment are accepted once the total reaches that figure.

How long does sampling take?

Samples leave the factory in 10 working days, and each revision round adds about 5 days once you have seen the first piece.

What happens if a lot fails inspection?

The lot is re-inspected against the golden sample, and replacement pieces ship on the next available booking at our cost.

Do you handle mixed containers?

Yes. Most programmes consolidate several part numbers into one container to keep freight sensible at 200 pieces per line.

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

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