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Electric Motor Speed Controller Specification Example for Agricultural Trailers: Racing Spec

Source:Cylinder Head Repair / Time:2026-09-18

Electric Motor Speed Controller Specification Example for Agricultural Trailers: Racing Spec

This is a worked specification for electric motor speed controller in a racing spec 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 racing spec 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 inconsistent hardness between lots.

Electric Motor Speed Controller

Example specification

ItemElectric Motor Speed Controller
ApplicationAgricultural Trailers
VersionRacing Spec
Base materialABS Plastic
Controlled dimensions3 key dimensions, recorded per lot
Tolerance band±0.05 mm
Finishas machined
MOQ2,000 pieces per specification
Sampling14 working days, 5 days per revision
ComplianceE-mark

How the example is built up

  1. Start from the duty cycle, not from the catalogue photograph.
  2. Fix the base material in writing — ABS Plastic, 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 Motor Speed Controller example

Processes involved

  • injection moulding
  • CNC machining
  • rubber vulcanisation
  • gravity casting
  • robot welding
  • die casting

Where this example applies

Programmes that run racing spec most often specify this build for agricultural trailers. Related applications include delivery vans, three-wheelers, workshop replacements, racing teams, municipal fleets.

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

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.

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 E-mark-compliant build instead of a fresh interpretation.

Do you handle mixed containers?

Yes. Most programmes consolidate several part numbers into one container to keep freight sensible at 2000 pieces per line.

Send the part number, the annual volume and the target market, and we will come back with a specification and a sampling plan.

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