Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBD49X8JD353342 · Truck-Tractor · TRUCK
Carriers run under3
38 mo
Inspections3
all-time
OOS inspections0
of 3
First seenJul 1, 2023
UT
Last seenSep 17, 2026
WY
Inspected under 3 different carriers in 38 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
1XPBD49X8JD353342
Make
Peterbilt
Model
579
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Sep 6, 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
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1988 or 2018

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

North American serial sequence
353342

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 · Jul 1, 2023 – Sep 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 17, 2026WYII · Walk-around0—JAY-TRUX INC 1340464PR46336/SD
Nov 12, 2023MTI · Full0—D&E TRANSPORT LLC 600140PR46336/SD
Jul 1, 2023UTIII · Driver-only0—SYSTEM TRANSPORT INC 27935RP04138/WA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
JAY-TRUX INC1340464Sep 17, 2026Sep 17, 20261SD
D&E TRANSPORT LLC600140Nov 12, 2023Nov 12, 20231MN
SYSTEM TRANSPORT INC27935Jul 1, 2023Jul 1, 20231WA
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.
PR46336SD1JAY-TRUX INCSep 17, 2026 → Sep 17, 20261
PR46336SD—D&E TRANSPORT LLCNov 12, 2023 → Nov 12, 20231
RP04138WA—SYSTEM TRANSPORT INCJul 1, 2023 → Jul 1, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 6, 2026