Equipment unit · VIN-decoded · NHTSA vPIC

2019 Peterbilt 579

1XPBD49X1KD602453 · Truck-Tractor · TRUCK
Carriers run under2
15 mo
Inspections6
all-time
OOS inspections1
of 6
First seenFeb 25, 2025
TX
Last seenMay 19, 2026
TN
Inspected under 2 different carriers in 15 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
1XPBD49X1KD602453
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
1 · valid

Deterministic · position 9; calculated value 1.

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
602453

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 · Feb 25, 2025 – May 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 19, 2026TNIII · Driver-only3M RUIZ SERVICES LLC 4231886R775566/TX
Apr 29, 2026KYIII · Driver-only3M RUIZ SERVICES LLC 4231886R775566/TX
Mar 24, 2026TXII · Walk-around3M RUIZ SERVICES LLC 4231886R775566/TX
Aug 14, 2025TXIII · Driver-only1ASH TRANSPORT LLC 3434130R775566/TX
Jun 12, 2025NCII · Walk-around1ASH TRANSPORT LLC 3434130R775566/TX
Feb 25, 2025TXII · Walk-around3OOSASH TRANSPORT LLC 3434130R775566/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
M RUIZ SERVICES LLC4231886Mar 24, 2026May 19, 20263TX
ASH TRANSPORT LLC3434130Feb 25, 2025Aug 14, 20253TX
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.
R775566TXM RUIZ SERVICES LLCMar 24, 2026May 19, 20263
R775566TXASH TRANSPORT LLCFeb 25, 2025Aug 14, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026