Testing for Diesel Vehicles, Engines & Components
From emissions testing to extreme temperatures, performance, durability and more.
Whether you’re meeting OEM, regulatory or industry standards—or developing a custom test plan—our testing specialists and engineers are here to help. Our accredited labs, including ISO/IEC 17025 facilities, provide comprehensive automotive testing for OEM specifications, regulatory compliance and custom requirements.
If you have questions or would like a zero-cost assessment, get in touch – we’ll make sure you’re connected with the right person.
EPA & CARB Compliant
TRP supports certification, development and custom validations programs with traceable methods like:
- EPA 40 CFR 1065
- EPA 40 CRF 1066
- ISO 8178
- EU 582/2011
Testing Capabilities for Diesel Markets
Vehicle Development
Prototype mapping through certification-ready programs for heavy-duty, light-duty, marine, generator, motorcycle, ATV and off-road engines.
- 40 CFR Parts 1065 / 1066
- EU582/2011 & Pending EU6c
- ISO 8178 & federal certification
- Calibration, benchmarking & NTE testing
Engine Development
Engine performance, emissions and durability testing.
- Engine mapping and emissions control system development
- Performance and emissions testing at extreme temperatures and altitude
- Prototype engine development
Exhaust Emissions Testing & Certification
Laboratory measurement and engineering support across regulated and emerging exhaust species.
- NOx, CO, CO₂, THC, O₂ & PN
- PM mass, size, soot, smoke & opacity
- FTIR, NH₃, N₂O & NMOG speciation
Portable Emissions Measurement Systems (PEMS)
Real-world, in-use emissions programs for on-road vehicles and off-road equipment—from installation through validated data.
- Route and drive-cycle planning
- OBD / CAN and exhaust-flow integration
- 40 CFR 1065 in-use support
High Altitude
Develop and verify performance at true or simulated altitude, sea level and temperature extremes.
- True-altitude testing above 8,900′
- Simulated altitude to 14,000′
- Cold starts and operation to −37°C
Extreme Temperatures
Evaluate components and full systems under controlled exhaust, aging and thermal conditions.
- Our expansive climate center delivers large-format environmental cold testing ideal for large vehicles and heavy duty equipment
- Bays as large as 55′ deep and 20′ wide.
- Door up to 18 feet high
Accelerated Catalyst Aging
Evaluate components and full systems under controlled exhaust, aging and thermal conditions.
- Aftertreatment component evaluation
- Catalyst aging and burner testing
- Retrofit and control-strategy validation
Mileage Accumulation
Accumulate controlled mileage and verify vehicle-level performance before, during and after development programs.
- Vehicle qualification and benchmarking
- Chassis dynamometer operation
- Mileage accumulation
Engineering Services
Make informed project decisions with software engineering services and support from TRP. CyFlex Automation Software provides a full suite of tools for testing and analysis of large data sets. It’s also a lower cost alternative to traditional Programmable Login Controller (PLC) and Human-Machine Interface (HMI) products. Get Application engineering and consultation.
Evaporative Emissions & Permeation
Quantify hydrocarbon losses from vehicles, fuel systems and components under controlled conditions.
- SHED and weight-loss methods
- CARB / EPA permeation protocols
- Canister capacity, load, purge & durability
Fuel Systems & Components
Qualification programs for tanks, pumps, modules, senders, lines and complete fuel systems in the intended test fluid.
- Durability, thermal & pressure cycling
- Slosh, vibration, UV, drop & burst
- DVP&R / PVP&R programs
Refueling & Fill Performance
Assess real filling behavior across variable dispensing rates, fuel temperatures and system configurations.
- Gasoline and diesel fill testing
- Resistance, pressure & thermal expansion
- Volume / height / resistance mapping
Delivering Quality Testing With Speed and Precision
If you’d like to learn more, or have questions about our testing services, contact TRP today.