Equipment unit · VIN-decoded · NHTSA vPIC

2022 Peterbilt 579

1XPBD49X0ND775577 · Truck-Tractor · TRUCK
Carriers run under4
34 mo
Inspections11
all-time
OOS inspections1
of 11
First seenJun 28, 2023
TN
Last seenApr 8, 2026
TN
Inspected under 4 different carriers in 34 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
1XPBD49X0ND775577
Make
Peterbilt
Model
579
Model year
2022
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
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1992 or 2022

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

North American serial sequence
775577

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 · Jun 28, 2023 – Apr 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 8, 2026TNI · Full0—PREMIUM CARGO LLC 308683088KS9T/MO
Mar 7, 2026TNIII · Driver-only1—PREMIUM CARGO LLC 308683088KS9T/MO
Feb 11, 2026KYII · Walk-around1OOSCOLIBREX INC 386437688KS9T/MO
Jul 20, 2025SDII · Walk-around0—COLIBREX INC 386437688KS9T/MO
Jun 18, 2025LAIII · Driver-only3—COLIBREX INC 386437688KS9T/MO
Feb 11, 2025NMIII · Driver-only0—COLIBREX INC 386437688KS9T/MO
Oct 29, 2024SDIII · Driver-only0—COLIBREX INC 386437688KS9T/MO
Sep 14, 2024MTIII · Driver-only0—SAYRAM CORP 291481288KS9T/MO
Jul 4, 2024FLIII · Driver-only0—SAYRAM CORP 291481288KS9T/MO
Feb 22, 2024UTI · Full0—SAYRAM CORP 291481288KS9T/MO
Jun 28, 2023TNIII · Driver-only0—CIRCLE O INC 306389788KS9T/MO
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PREMIUM CARGO LLC3086830Mar 7, 2026Apr 8, 20262IL
COLIBREX INC3864376Oct 29, 2024Feb 11, 20265OH
SAYRAM CORP2914812Feb 22, 2024Sep 14, 20243MO
CIRCLE O INC3063897Jun 28, 2023Jun 28, 20231IL
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.
88KS9TMO—PREMIUM CARGO LLCMar 7, 2026 → Apr 8, 20262
88KS9TMO—COLIBREX INCOct 29, 2024 → Feb 11, 20265
88KS9TMO—SAYRAM CORPFeb 22, 2024 → Sep 14, 20243
88KS9TMO—CIRCLE O INCJun 28, 2023 → Jun 28, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 18, 2026