Equipment unit · VIN-decoded · NHTSA vPIC

2024 Peterbilt 579

1XPBD49X6RD638178 · Truck-Tractor · TRUCK
Carriers run under3
37 mo
Inspections6
all-time
OOS inspections1
of 6
First seenAug 31, 2023
KS
Last seenSep 15, 2026
IN
Inspected under 3 different carriers in 37 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
1XPBD49X6RD638178
Make
Peterbilt
Model
579
Model year
2024
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 28, 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
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1994 or 2024

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

North American serial sequence
638178

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.

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 31, 2023 – Sep 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 15, 2026INIII · Driver-only5—JAS TRANSPORT LLC 310341892KR5B/MO
Mar 13, 2025MTII · Walk-around4OOSNICE GUYS LLC 3212502P1128776/IL
Nov 25, 2024AZI · Full1—NICE GUYS LLC 3212502P1128776/IL
Mar 16, 2024UTIII · Driver-only1—AA TEMPERATURE CONTROLLED LLC 908846417679/NE
Mar 2, 2024MOII · Walk-around2—AA TEMPERATURE CONTROLLED LLC 908846417679/NE
Aug 31, 2023KSII · Walk-around0—AA TEMPERATURE CONTROLLED LLC 908846417679/NE
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JAS TRANSPORT LLC3103418Sep 15, 2026Sep 15, 20261MO
NICE GUYS LLC3212502Nov 25, 2024Mar 13, 20252IL
AA TEMPERATURE CONTROLLED LLC908846Aug 31, 2023Mar 16, 20243NE
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.
92KR5BMO1JAS TRANSPORT LLCSep 15, 2026 → Sep 15, 20261
P1128776IL—NICE GUYS LLCNov 25, 2024 → Mar 13, 20252
417679NE—AA TEMPERATURE CONTROLLED LLCAug 31, 2023 → Mar 16, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026