Equipment unit · VIN-decoded · NHTSA vPIC

2003 Peterbilt 379

1XP5DB9X83D801535 · Truck-Tractor · TRUCK
Carriers run under2
31 mo
Inspections8
all-time
OOS inspections7
of 8
First seenAug 9, 2023
VA
Last seenMar 19, 2026
NC
Inspected under 2 different carriers in 31 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XP5DB9X83D801535
Make
Peterbilt
Model
379
Model year
2003
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
5DB9X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
2003 or 2033

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

North American serial sequence
801535

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 · 13,463 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 13,463 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
2003

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 · Aug 9, 2023 – Mar 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 19, 2026NCIII · Driver-only2OOSJOE WEBER 4475544P777198/SC
Mar 26, 2025VAII · Walk-around17OOSROUND TOP FARM AND TRANSPORTATION LLC 2088045P777198/SC
Feb 11, 2025VAIII · Driver-only4OOSROUND TOP FARM AND TRANSPORTATION LLC 2088045P777198/SC
Aug 14, 2024VAII · Walk-around2OOSROUND TOP FARM AND TRANSPORTATION LLC 2088045P777198/SC
Apr 15, 2024SCI · Full7OOSROUND TOP FARM AND TRANSPORTATION LLC 2088045P777198/SC
Sep 20, 2023VAI · Full20OOSROUND TOP FARM AND TRANSPORTATION LLC 2088045P777198/SC
Aug 29, 2023VAI · Full9ROUND TOP FARM AND TRANSPORTATION LLC 2088045P777198/SC
Aug 9, 2023VAI · Full19OOSROUND TOP FARM AND TRANSPORTATION LLC 2088045P777198/SC
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JOE WEBER4475544Mar 19, 2026Mar 19, 20261SC
ROUND TOP FARM AND TRANSPORTATION LLC2088045Aug 9, 2023Mar 26, 20257SC
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.
P777198SCJOE WEBERMar 19, 2026Mar 19, 20261
P777198SCROUND TOP FARM AND TRANSPORTATION LLCAug 9, 2023Mar 26, 20257
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026