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Diesel Truck Engine Specification Example for Delivery Vans: Quick Fit Version

Source:Tandem Trailer Axles / Time:2026-09-18

Diesel Truck Engine Specification Example for Delivery Vans: Quick Fit Version

This is a worked specification for diesel truck engine in a quick fit 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 quick fit version 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 reorders that did not match the approved sample.

Diesel Truck Engine

Example specification

ItemDiesel Truck Engine
ApplicationDelivery Vans
VersionQuick Fit Version
Base materialChromed Steel
Controlled dimensions5 key dimensions, recorded per lot
Tolerance band±0.2 mm
Finishzinc plated
MOQ500 pieces per specification
Sampling7 working days, 3 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 — Chromed Steel, 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.

Diesel Truck Engine example

Processes involved

  • sintering
  • cold forging
  • rubber vulcanisation
  • injection moulding
  • heat treatment
  • die casting

Where this example applies

Programmes that run quick fit version most often specify this build for delivery vans. Related applications include trailer axles, export programmes, delivery vans, utility trailers, assembly programmes.

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

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.

How long does sampling take?

Samples leave the factory in 7 working days, and each revision round adds about 3 days once you have seen the first piece.

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

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

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