International Truck VIN Decoder — Decode Any International VIN Free
Decode any International truck VIN free in seconds. Enter the 17-character VIN from your International (Navistar) DuraStar, ProStar, LoneStar, MV or HV and the decoder breaks it down position by position — manufacturer, model year, engine and plant — then validates the check digit. No signup, no charge.
Free · instant · no signup · 17-character VIN
Common International / Navistar WMI prefixes (VIN positions 1–3)
| WMI prefix | What it identifies |
|---|---|
| 1HT | International truck, built in the USA |
| 1HS | International truck, built in the USA |
| 3HA | International medium-duty truck |
| 3HS | International truck, built in Mexico |
How an International truck VIN breaks down
International (built by Navistar) uses the 17-character VIN standard like all road vehicles, but as a commercial-truck maker the descriptor section carries heavy-duty specifics. Positions 1–3 are the World Manufacturer Identifier — a US-built International truck commonly opens 1HT or 1HS. Positions 4–8 encode the model, GVWR class, brake system, cab and engine; position 9 is the check digit; position 10 the model year; position 11 the plant; and 12–17 the sequential number.
On a Class 6–8 truck, the engine descriptor is especially important because the same chassis can be ordered with different International or Cummins engines. Confirm the VIN against the door sticker, the frame stamp and the title.
Decode vs. history: what the VIN can and can't tell you
Decoding an International VIN reveals the factory build — year, model, GVWR class, engine and plant. It won't show what happened after the sale. For title brands, accidents, total-loss and odometer records, run the same VIN through a history report drawing on NMVTIS and state-DMV data.
Frequently Asked Questions
Where is the VIN on an International truck?
On the windshield base, the driver-door pillar sticker, the frame rail, and the title and registration.
What does an International VIN starting with 1HT mean?
1HT is a World Manufacturer Identifier for a US-built International (Navistar) truck. 1HS is also common; 3HA and 3HS indicate other Navistar plants.
Can I decode a commercial truck VIN for free?
Yes. International trucks use the same 17-character VIN — enter it in the decoder above for the year, engine class and plant breakdown.
Related VIN Decoders
More brand- and format-specific decoders in the same family.
Want the Full Story Behind This VIN?
A decode shows the factory specs. A history report adds accidents, title brands, odometer fraud, theft records and open recalls — sourced from NMVTIS and every state DMV.
Run a Free VIN CheckNMVTIS-sourced · DPPA compliant
Always check the VIN before you buy
Our free report reveals accidents, title brands, odometer rollback, theft records, and open recalls in seconds.
Decode Another VIN
Paste any 17-character VIN to see the full position breakdown — manufacturer, model year, plant and engine.
Related VIN Checks
More tools to verify any vehicle's history