Equipment unit · VIN-decoded · NHTSA vPIC

1998 Peterbilt 379

1XP5D69X1WN457746 · Truck-Tractor · TRUCK
Carriers run under1
29 mo
Inspections7
all-time
OOS inspections0
of 7
First seenOct 12, 2023
CO
Last seenMar 4, 2026
CO
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XP5D69X1WN457746
Make
Peterbilt
Model
379
Model year
1998
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
1XP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
5D69X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1998 or 2028

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
457746

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
PETERBILT

Prefix basis · 728 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 728 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Federal observation (NHTSA vPIC)

What the federal corpus observed directly for this exact VIN — independent of, and sometimes more specific than, the prefix-level inference above.

Observed model year
1998

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
379

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRUCK

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 8: 33,001 lb and above (14,969 kg and above)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Oct 12, 2023 – Mar 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 4, 2026COII · Walk-around0BUCKEYE WELDING SUPPLY CO INC 1044141JOY417/CO
Dec 11, 2025COII · Walk-around1BUCKEYE WELDING SUPPLY CO INC 1044141JOY417/CO
Oct 9, 2025COII · Walk-around0BUCKEYE WELDING SUPPLY CO INC 1044141JOY417/CO
Apr 24, 2024COI · Full5BUCKEYE WELDING SUPPLY CO INC 1044141JOY417/CO
Apr 11, 2024COII · Walk-around0BUCKEYE WELDING SUPPLY CO INC 1044141JOY417/CO
Jan 17, 2024COII · Walk-around0BUCKEYE WELDING SUPPLY CO INC 1044141JOY417/CO
Oct 12, 2023COIII · Driver-only0BUCKEYE WELDING SUPPLY CO INC 1044141JOY417/CO
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BUCKEYE WELDING SUPPLY CO INC1044141Oct 12, 2023Mar 4, 20267CO
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
JOY417COBUCKEYE WELDING SUPPLY CO INCOct 12, 2023Mar 4, 20267
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026