Equipment unit · VIN-decoded · NHTSA vPIC

2019 Peterbilt 579

1XPBD49X3KD603717 · Truck-Tractor · TRUCK
Carriers run under2
33 mo
Inspections8
all-time
OOS inspections4
of 8
First seenSep 4, 2023
LA
Last seenJun 17, 2026
TX
Inspected under 2 different carriers in 33 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
1XPBD49X3KD603717
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
3 · valid

Deterministic · position 9; calculated value 3.

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
603717

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 · Sep 4, 2023 – Jun 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 17, 2026TXII · Walk-around4OOSUPGRADE LOGISTIC INC 4349276AZ413Y/NJ
Jun 17, 2026TXII · Walk-around4OOSUPGRADE LOGISTIC INC 4349276AZ413Y/NJ
Mar 27, 2026PAII · Walk-around11OOSUPGRADE LOGISTIC INC 4349276AZ413Y/NJ
Jan 22, 2026TNII · Walk-around0381 LOGISTICS LLC 3358855P1250395/IL
Jan 13, 2026ALII · Walk-around1381 LOGISTICS LLC 3358855P1250395/IL
Oct 3, 2024VTII · Walk-around5OOS381 LOGISTICS LLC 3358855P1250395/IL
Jun 10, 2024ILII · Walk-around0381 LOGISTICS LLC 3358855TEMP/IL
Sep 4, 2023LAIII · Driver-only1381 LOGISTICS LLC 3358855P1151418/IL
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UPGRADE LOGISTIC INC4349276Mar 27, 2026Jun 17, 20263IN
381 LOGISTICS LLC3358855Sep 4, 2023Jan 22, 20265IL
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.
AZ413YNJ1UPGRADE LOGISTIC INCMar 27, 2026Jun 17, 20263
P1250395IL381 LOGISTICS LLCOct 3, 2024Jan 22, 20263
TEMPIL381 LOGISTICS LLCJun 10, 2024Jun 10, 20241
P1151418IL381 LOGISTICS LLCSep 4, 2023Sep 4, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026