Equipment unit · VIN-decoded · NHTSA vPIC

2024 Peterbilt 579

1XPBD49X5RD638656 · Truck-Tractor · TRUCK
Carriers run under3
22 mo
Inspections6
all-time
OOS inspections0
of 6
First seenNov 18, 2024
OR
Last seenSep 6, 2026
IL
Inspected under 3 different carriers in 22 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
1XPBD49X5RD638656
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
Jul 12, 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
1994 or 2024

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

North American serial sequence
638656

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 · Nov 18, 2024 – Sep 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 6, 2026ILIII · Driver-only0—TRIPLE M FREIGHT LLC 3967635P1261539/IL
Aug 27, 2026WAI · Full4—TRIPLE M FREIGHT LLC 3967635P1261539/IL
Apr 29, 2025ORIII · Driver-only0—TM CARGO LLC 3450279P1261539/IL
Feb 12, 2025COIII · Driver-only0—DM EXPRESS INC 2443340P1261539/IL
Nov 25, 2024MTIII · Driver-only0—TM CARGO LLC 3450279P1261539/IL
Nov 18, 2024ORIII · Driver-only0—TM CARGO LLC 3450279P1261539/IL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRIPLE M FREIGHT LLC3967635Aug 27, 2026Sep 6, 20262TX
TM CARGO LLC3450279Nov 18, 2024Apr 29, 20253TX
DM EXPRESS INC2443340Feb 12, 2025Feb 12, 20251IN
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.
P1261539IL1TRIPLE M FREIGHT LLCAug 27, 2026 → Sep 6, 20262
P1261539IL—TM CARGO LLCNov 18, 2024 → Apr 29, 20253
P1261539IL—DM EXPRESS INCFeb 12, 2025 → Feb 12, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026