Equipment unit · VIN-decoded · NHTSA vPIC

2024 Peterbilt 579

1XPBD49X6RD638083 · Truck-Tractor · TRUCK
Carriers run under2
32 mo
Inspections10
all-time
OOS inspections0
of 10
First seenSep 24, 2023
KS
Last seenMay 4, 2026
CA
Inspected under 2 different carriers in 32 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
1XPBD49X6RD638083
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 18, 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
638083

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
2024

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 · Sep 24, 2023 – May 4, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 4, 2026CAI · Full1ELIO EXPRESS INC 2293395P1243736/IL
Apr 6, 2026CAIII · Driver-only0ELIO EXPRESS INC 2293395P1243736/IL
Nov 18, 2025ARIII · Driver-only0ELIO EXPRESS INC 2293395P1243736/IL
Sep 17, 2025CAIII · Driver-only1ELIO EXPRESS INC 2293395P1243736/IN
Jun 18, 2025TNI · Full1ELIO EXPRESS INC 2293395P1243736/IL
May 26, 2025UTIII · Driver-only0ELIO EXPRESS INC 2293395P1243736/IL
May 21, 2025ARIII · Driver-only0ELIO EXPRESS INC 2293395P1243736/IL
Dec 8, 2024NMI · Full0ELIO EXPRESS INC 2293395P1243736/IL
Aug 9, 2024WAI · Full1ELIO EXPRESS INC 2293395P1243736/IL
Sep 24, 2023KSII · Walk-around0AA TEMPERATURE CONTROLLED LLC 908846416693/NE
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
ELIO EXPRESS INC2293395Aug 9, 2024May 4, 20269IL
AA TEMPERATURE CONTROLLED LLC908846Sep 24, 2023Sep 24, 20231NE
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.
P1243736ILELIO EXPRESS INCAug 9, 2024May 4, 20268
P1243736INELIO EXPRESS INCSep 17, 2025Sep 17, 20251
416693NEAA TEMPERATURE CONTROLLED LLCSep 24, 2023Sep 24, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026