Testing Challenges in the Heavy Duty Diesel Industry

Heavy-duty diesel engines must meet stringent EPA and CARB emissions standards, requiring precise measurement and control of NOx, CO₂, and particulates.

Validating performance across variable duty cycles, load profiles, and extreme environments poses integration and automation challenges.

Diesel aftertreatment systems like SCR and DPF require real-time emissions analysis to ensure proper dosing, regeneration, and compliance.

Engine durability testing must be conducted across hundreds to thousands of operational hours, requiring robust data management and automated control.

Applications That Require Testing in the Heavy Duty Diesel Industry

Engine performance and emissions testing ensures compliance with regulatory standards across load conditions and speeds.

Aftertreatment system validation evaluates SCR, DPF, and EGR systems under varying combustion and temperature conditions.

Fuel economy testing assesses diesel usage efficiency during transient cycles such as the World Harmonized Transient Cycle (WHTC).

Cold-start testing verifies emissions control effectiveness in sub-zero temperatures.

Powertrain testing integrates engine, transmission, and driveline components to evaluate system-level performance.

A&D Services & Solutions for the Heavy Duty Diesel Industry

A&D offers consulting services tailored to heavy-duty diesel vehicle testing, including setup optimization and process streamlining.

iTest automates control of diesel engine testbeds and integrates emissions, temperature, and cycle data in real time.

Phoenix supports high-fidelity combustion analysis to fine-tune diesel injection timing, air-fuel ratios, and turbocharger response.

BEX-1000ft delivers high-resolution FTIR emissions gas analysis for NOx, NH₃, CO₂, and hydrocarbons.

Orion enables diesel engine calibration for peak torque output, emissions compliance, and fuel efficiency.

LabWorX provides centralized management of testing assets, procedures, and data, streamlining workflow across teams.

Helios HILS simulates hybrid diesel-electric systems, including power-sharing, load response, and controller validation.

Selene allows for rapid prototyping and validation of ECU strategies for heavy-duty diesel applications.

A&D’s project management services ensure heavy-duty diesel testing projects are executed on schedule, on budget, and in compliance.

A&D training programs empower test cell operators and software developers to confidently manage diesel test environments.

Our support and service teams provide preventative maintenance, repairs, remote troubleshooting, and spare parts for diesel test systems.