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Pneumatic Brake Specification Example for Emergency Vehicles: Load Rated Version

Source:Off-The-Road (OTR) Tires / Time:2026-09-18

Pneumatic Brake Specification Example for Emergency Vehicles: Load Rated Version

This is a worked specification for pneumatic brake in a load rated 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 load rated version version exists because the duty cycle on emergency vehicles is not the same as on a showroom vehicle. Where the two are specified identically, something fails later — usually packing that arrived crushed at the port.

Pneumatic Brake

Example specification

ItemPneumatic Brake
ApplicationEmergency Vehicles
VersionLoad Rated Version
Base materialSintered Metal
Controlled dimensions4 key dimensions, recorded per lot
Tolerance band±0.05 mm
Finishas machined
MOQ3,000 pieces per specification
Sampling10 working days, 3 days per revision
ComplianceSGS

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.

Pneumatic Brake example

Processes involved

  • precision stamping
  • cold forging
  • anodising
  • gravity casting
  • powder coating
  • shot blasting

Where this example applies

Programmes that run load rated version most often specify this build for emergency vehicles. Related applications include construction equipment, city buses, delivery vans, light trucks, workshop replacements.

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 SGS-compliant build instead of a fresh interpretation.

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.

Do you handle mixed containers?

Yes. Most programmes consolidate several part numbers into one container to keep freight sensible at 3000 pieces per line.

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.

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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