Vehicle Specification Process Guide

Creating well-defined commercial vehicle specifications involves more than selecting components — it requires a coordinated process that aligns stakeholders, integrates real-world requirements and supports long-term performance.

The Vehicle Specification Process Guide offers a structured approach to developing commercial vehicle specifications — from defining requirements to preparing procurement-ready packages.

What this guide provides

This resource outlines a systematic process that helps:

• Identify and define vehicle mission requirements
• Incorporate input from key stakeholders across the value chain
• Evaluate existing fleet performance and reliability
• Assess emerging technologies and market offerings
• Develop chassis, equipment and capability specifications
• Validate decisions through cost modeling and stakeholder review
• Prepare complete, procurement-ready specification packages 

The process is designed to ensure each decision is aligned with operational needs, safety requirements and organizational goals. 

Key features

• Flowchart-driven framework for clear decision-making
• Defined roles for stakeholders across the process
• Guidance on evaluating new technologies and design improvements
• Support for cost modeling, compliance and procurement planning

Why it matters

A structured specification process helps you:

• Ensure alignment with operational needs
• Improve vehicle reliability and performance
• Reduce total cost of ownership
• Minimize design errors and rework
• Enhance safety and compliance 

Companion resource

New to specification development or need a refresher on fundamentals? Guiding Principles for Developing Commercial Vehicle Specifications covers the core concepts behind effective spec’s — including stakeholder input, requirements and compliance considerations.