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LNG Truck Engine Specification Example for Delivery Vans: Sealed Unit

Source:Turbocharged Engine / Time:2026-09-18

LNG Truck Engine Specification Example for Delivery Vans: Sealed Unit

This is a worked specification for lng truck engine in a sealed unit 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 sealed unit version exists because the duty cycle on delivery vans is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually a supplier who changed material without saying so.

LNG Truck Engine

Example specification

ItemLNG Truck Engine
ApplicationDelivery Vans
VersionSealed Unit
Base materialPVC Coated Fabric
Controlled dimensions6 key dimensions, recorded per lot
Tolerance band±0.1 mm
Finishas machined
MOQ200 pieces per specification
Sampling14 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 — PVC Coated Fabric, 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.

LNG Truck Engine example

Processes involved

  • CNC machining
  • heat treatment
  • sintering
  • gravity casting
  • rubber vulcanisation
  • laser cutting

Where this example applies

Programmes that run sealed unit most often specify this build for delivery vans. Related applications include fleet maintenance, boat trailers, construction equipment, light trucks, off-road bikes.

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

Do you handle mixed containers?

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

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.

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.

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

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