Dynamometer:
proof through measurement
The direct answer: A dynamometer is a test bench that measures a truck’s real power and torque, wheels under load, in controlled conditions. At Diesel Spec, it is the central validation tool: every calibration is tested on the dyno before being deployed to our dealers.
Our La Prairie facility is equipped with a Taylor Dynamometer TD Series water-brake dynamometer, capable of absorbing up to 1,650 hp (1,230 kW) continuously, on single, tandem or triple axle configurations.
The result for you: gains proven by measurements, not promises.
A world-class benchmark,
serving your calibrations
The water brake allows sustained testing without overheating: the engine can be loaded for a long time, like on a real grade with a real trailer.
This rigour is what backs our 30-day money-back guarantee: we know what our calibrations deliver, because we measure them.
Dynamometer testing service available at Diesel Spec in La Prairie.
The Taylor Dynamometer equipment
- TD Series water-brake dynos: cradle and rollers for one, two or three axle vehicles
- Continuous capacity up to 1,650 hp (1,230 kW)
- Technology proven on the largest installed base in the world
- Used in the transportation, education and defence markets
What the dyno can diagnose and validate
- Power and torque measurement before and after tuning
- Detection of overheating, excessive fuel consumption and transmission problems
- Validation that every calibration stays within the engine’s safety margins
- Fine-tuning of high-performance setups and Big Boss® parts
Frequently asked questions
What is a heavy-duty truck dynamometer?
Why test a calibration on a dynamometer?
What is the capacity of Diesel Spec’s dynamometer?
Can I book a dyno test without tuning?
How much does this service cost at Diesel Spec?
Talk to a Diesel Spec expert
Personalized estimate for your truck or fleet, response within 24 hours. 30-day money-back guarantee.
Talk to a DSI expert
Documentation, a call back from an advisor, an estimate for your truck or fleet. An expert will contact you within 24 hours.