Equipment unit · VIN-decoded · NHTSA vPIC

2019 Peterbilt 579

1XPBD49X5KD638498 · Truck-Tractor · TRUCK
Carriers run under3
28 mo
Inspections6
all-time
OOS inspections2
of 6
First seenJul 26, 2023
MN
Last seenNov 10, 2025
FL
Inspected under 3 different carriers in 28 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
1XPBD49X5KD638498
Make
Peterbilt
Model
579
Model year
2019
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 24, 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
BD49X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1989 or 2019

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

North American serial sequence
638498

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 · 26,166 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 26,166 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
2019

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
579

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 · Jul 26, 2023 – Nov 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 10, 2025FLII · Walk-around3OOSWMF EXPRESS INC 4240087P1230694/IL
Mar 11, 2025NMII · Walk-around1OOSWMF EXPRESS INC 4240087P1230694/IL
Jun 24, 2024NMIII · Driver-only0COACH XPRESS INC 2293585P1230694/IL
Apr 10, 2024ILII · Walk-around0COACH XPRESS INC 2293585P1230694/IL
Mar 26, 2024ILIII · Driver-only0COACH XPRESS INC 2293585P1230694/IL
Jul 26, 2023MNIII · Driver-only1BURGENER CONTRACT CARRIERS LTD 14733036644X/WI
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WMF EXPRESS INC4240087Mar 11, 2025Nov 10, 20252IL
COACH XPRESS INC2293585Mar 26, 2024Jun 24, 20243IL
BURGENER CONTRACT CARRIERS LTD147330Jul 26, 2023Jul 26, 20231WI
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.
P1230694ILWMF EXPRESS INCMar 11, 2025Nov 10, 20252
P1230694ILCOACH XPRESS INCMar 26, 2024Jun 24, 20243
36644XWIBURGENER CONTRACT CARRIERS LTDJul 26, 2023Jul 26, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026