Commercial Truck Inspections


We fully inspect the body, interior, features, options, electrical and lights, engine, DPF, transmission, clutch, driveline, suspension, steering, fuel & hydraulic tanks, brakes, air bags, wheels, tires, 5th wheel, cargo area, doors and all glass to ensure you know the true condition of the vehicle.



TDT provides Commercial Truck & Trailer Inspection Services for all types of Semi Trucks in the St. Louis, Missouri and Southern Illinois


Purchasing a commercial truck for your company is not an easy decision.  We understand the number of factors that go into play when purchasing a commercial vehicle.  That is why we offer Commercial Truck Inspections to buyers just like you.

We inspect many types of vehicle but our main line of vehicles we inspect are:

View our complete list of commercial vehicles

We offer a huge array of vehicle types we inspect. Many other mobile commercial vehicle inspection companies may turn certain vehicle types down. There is nothing too small or too large we will not inspect for our customers!

Our Commercial Truck Inspections provide you with the detailed information of the semi truck or tractor trailer you are considering that can help you make a sound and educated business purchase decision.  Our Commercial Truck Inspections go much deeper than anyone in the commercial vehicle inspection industry.

Our Commercial Truck Inspections include a detailed 400+ checkpoint inspection report outlining nearly every visible part on the. Our Commercial Truck Inspections also include nearly 200 photos and HD video as well as a full test drive if conditions allow. 

Our Commercial Truck Inspections fully examine the before you purchase it. Our inspections fully report on the following areas but are not limited to this list.

Body / GlassEngine
Interior CabTransmission
Fuel / DEF TanksDriveline
Frame / StructuralSuspension System
Features / ComfortSteering System
LightingBrakes System
Emergency EquipmentAir System
5th Wheel / CouplerPower Take Off (PTO)
Electrical / WiringWheels / Tires / Axles

Our inspection software allows us to add custom inspection checkpoints for our clients so we can tailor our Commercial Truck Inspections to your needs.

A TDT Commercial Truck Inspections gives you not only a ton of negotiating power over your purchase but also the chance to back out of a deal if the vehicle is not in the condition advertised.

Your commercial vehicle inspector, Steven Paul, is not only your inspector he is also the President of Test Drive Technologies the parent company of St. Louis Inspections.  Steven grew up working in an auto body shop in the St. Louis area and later on spent 6 years as a HD Equipment Technician in the U.S. Army where he was tasked with supervising a team of soldiers who performed all the “code-out” inspections on the Army’s “Deuce-n-a-half”. Not only did Steven work on HD trucks but he also supervised an turbine engine rebuild facility for the M1A1 – A2 Abrams Battle Tank at Fort Riley, Kansas. After serving the Armed Forces and 3 deployments later, Steven returned to St. Louis where he worked in several dealership repair shops and independent ing companies as well as opening several commercial tire shops in Illinois and Missouri.  As a Master Certified ASE HD Technician, you can rest assured that when Steven performs a Commercial Truck Inspections on your rig that you are getting top-notch, depending and reliable reporting of your vehicle’s true current condition before you buy it.

“My first concern in any type of inspection I perform is of Safety and Reliability.  I have taken Federal DOT Standards, State DOT Standards and numerous other inspection reports in our industry and combined them into a full examination report of HD Commercial.  I am no longer in the repair business or connected to any shop or dealership. When I go out to inspect a for my clients, they know they are getting a true independent and unbiased inspection report.”

TDT has received numerous statements from other inspectors in the industry on how deep and detailed our inspections are. Some call us crazy for the amount of work we put into each Commercial Truck Inspections but we call that customer service. See what some of our past TDT Inspection Clients have said about our Inspection Services.

To see what we have been up to stop by and check out our TDT Facebook Page and Catch some of our inspection videos on our TDT YouTube Channel.

The Report

[pdf-embedder url=”” title=”2011 Freightliner Coronado 132 Semi Truck Pre-Purchase Inspection Checklist Report”]

What's Checked

We fully inspect the body, interior, features, options, electrical and lights, engine, transmission, clutch, driveline, suspension, steering, brakes, air bags, DPF, tanks, wheels, tires, 5th wheel, cargo area, doors and all glass to ensure you know the true condition of the vehicle before you buy it.


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