What qualifies: This inspection covers commercial trucks — semi, box truck, and anything over 1-ton GVWR. If you’re unsure whether your vehicle qualifies, call or text 541-357-8066 and I’ll tell you straight.
Heavy-Duty Truck Pre-Purchase Inspections in Oregon
Buying a semi tractor or box truck? Get an independent heavy-duty truck inspection before money changes hands — engine, transmission, air brake system, and fifth-wheel coupling evaluation plus a frame and structural walk-around, backed by 35 years of automotive experience across many disciplines and 15+ years of professional inspection work.
Get an Instant QuoteHeavy-Duty Truck Inspection — $299.99.
Why You Need a Heavy-Duty Truck Inspection Before You Buy
A used semi tractor or box truck is a working investment — and a working truck earns its wear honestly. High mileage, heavy loads, and long idle hours hide the costliest problems behind a strong test drive: an engine nearing an in-frame rebuild, a transmission with worn gears or a tired clutch, air brake components past their prime, or a fifth wheel with worn jaws that will not couple safely.
Private sellers and small fleets turn equipment over for a reason. Deferred maintenance, patched air lines, mismatched tires, frame repairs that were never documented, and electrical gremlins from years of upfits are all common on the used heavy-duty market. Remote buyers face an added risk: deposits wired on trucks that do not match their listings — or do not exist at all.
A mobile heavy-duty truck inspection from Precision Auto Inspect puts 35 years of automotive experience across many disciplines and 15+ years of professional inspection experience to work before you buy — an independent, on-site pre-purchase evaluation of the engine, transmission, air brake system, frame, and coupling hardware, with a written digital report and 100+ photos. Reports typically delivered in under 24 hours.
Common Heavy-Duty Issues We Catch in the Field
You do not need a horror story — you need to know what to look for. These are the expensive, common findings our heavy-duty field audits are built to catch:
Engine & Oil Analysis
Why it matters: the engine is the most expensive component on the truck — we document its true condition before you commit.
Transmission & Driveline
Why it matters: transmission and driveline repairs sideline a working truck — we catch wear before it becomes downtime.
Air Brake System
Why it matters: brakes are the primary safety system on a heavy truck — we test the full air system, not just pedal feel.
Fifth Wheel & Coupling Hardware
Why it matters: worn coupling hardware is a dropped-trailer risk — we verify it will hold under load.
Frame, Suspension, Tires & Wheels
Why it matters: structural and running-gear problems are expensive and hard to spot — we document every one.
What Your Digital Report Includes
Lead Inspector: Josh Corley IV — 35 years of automotive experience across many disciplines, 15+ years of professional inspection experience
1. VEHICLE ID & OVERVIEW
- VIN & Door-Tag Verification
- Odometer & ECM Data Audit
- Tractor / Box-Truck Configuration
- Title & Documentation Check
2. POWERTRAIN & DRIVELINE
- Engine Condition & Fluid Analysis
- Transmission & Clutch Evaluation
- Driveline, U-Joints & Carrier Bearings
- Cooling, Charging & Starting Systems
3. BRAKES, CHASSIS & COUPLING
- Air System Build-Up & Leak-Down
- Frame Rails, Crossmembers & Rust
- Suspension & Steering Components
- Fifth Wheel & Coupling Hardware
4. ELECTRICAL & ROAD TEST
- Batteries & Charging System
- Lighting & Reflector Compliance
- Tires, Wheels & Lug Torque
- 100+ Photos, Video & Written Findings
What We Document in the Field
Engine & Drivetrain
Frame & Undercarriage
Brakes & Coupling
Electrical & Road Test
Comprehensive Heavy-Duty Checklist: Beyond the Test Drive
| Inspection Area | What We Evaluate |
|---|---|
| Engine & Oil Analysis | Cold-start behavior, oil and coolant condition, crankcase blow-by, belts, hoses, and fluid leaks. |
| Transmission & Driveline | Shift quality through the gears, clutch engagement and free play, PTO operation, U-joints, and carrier bearings. |
| Air Brake System | Air build-up time and leak-down rate, service and parking brake function, slack adjusters, drums, shoes, and air lines. |
| Frame, Suspension, Tires & Wheels | Frame rails and crossmembers for cracks, rust, and prior repairs; suspension and steering wear; tire age, tread, and mismatches; wheels and lugs. |
| Electrical & Lighting | Batteries and charging system, lighting and reflector compliance, wiring condition, and in-cab controls. |
How Our Mobile Inspection Works
Get an Instant Quote
Get an instant quote online — tell us the year, make, model, and where the truck is located.
On-Site Evaluation
We come to the seller, dealer, or fleet yard with heavy-duty inspection gear.
Digital Report
100+ photos and complete written findings. Reports typically delivered in under 24 hours.
Phone Consultation
Talk directly with your inspector about key findings before you negotiate or wire funds.
Frequently Asked Questions
What does the $299.99 Heavy-Duty Truck inspection include?
A full pre-purchase walk-around: engine and fluid analysis, transmission and driveline evaluation, air brake system testing, frame and suspension inspection, fifth-wheel and coupling check, and a written digital report with 100+ photos. Heavy-Duty Truck inspections are $299.99.
Is this a DOT compliance inspection?
No. Our heavy-duty service is a pre-purchase inspection for buyers — an independent evaluation of the truck’s mechanical condition to inform your purchase decision. It is not a regulatory or DOT compliance inspection, and it does not certify the vehicle for commercial operation.
How quickly will I get my report? Can I get it today?
Reports typically delivered in under 24 hours. Need it today? Same-day rush report — $50. Written report or a verbal call, your pick.
How do I book, and what is the cancellation policy?
Get an instant quote online and pick your time. Cancellations need 24-hour notice. Less than 24 hours: $75 fee, plus mileage if we’re already en route. We serve Eugene, Springfield, Cottage Grove, and surrounding Oregon.
Protect Your Heavy-Duty Investment
Don’t risk thousands on a tired engine, worn brakes, or fatigued coupling hardware. Get an independent mobile heavy-duty truck inspection before you buy — Heavy-Duty Truck Inspection, $299.99.
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Heavy-Duty Truck Inspection – base price $299.99
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