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Portable Vehicle Cooler Specification Example for Boat Trailers: Adjustable Type

Source:Vehicle Speedometer Tachometer / Time:2026-09-18

Portable Vehicle Cooler Specification Example for Boat Trailers: Adjustable Type

This is a worked specification for portable vehicle cooler in a adjustable type 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 adjustable type version exists because the duty cycle on boat trailers is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually lead time that slipped twice before bulk started.

Portable Vehicle Cooler

Example specification

ItemPortable Vehicle Cooler
ApplicationBoat Trailers
VersionAdjustable Type
Base materialSintered Metal
Controlled dimensions6 key dimensions, recorded per lot
Tolerance band±0.05 mm
Finishpainted
MOQ500 pieces per specification
Sampling7 working days, 5 days per revision
ComplianceDOT

How the example is built up

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

Portable Vehicle Cooler example

Processes involved

  • anodising
  • injection moulding
  • laser cutting
  • heat treatment
  • robot welding
  • sintering

Where this example applies

Programmes that run adjustable type most often specify this build for boat trailers. Related applications include long-haul trucks, delivery vans, workshop replacements, scooter fleets, boat trailers.

Checks before packing

  • Dimensional report against the approved drawing.
  • AQL 2.5 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 the specification be held on file?

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

What is the minimum order quantity?

The standard MOQ is 500 pieces per specification. Mixed sizes inside one shipment are accepted once the total reaches that figure.

What testing is included?

Standard lots ship with dimensional and hardness reports. DOT documentation is issued with the shipment when your market requires it.

How long does sampling take?

Samples leave the factory in 7 working days, and each revision round adds about 5 days once you have seen the first piece.

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

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