Equipment unit · VIN-decoded · NHTSA vPIC

2019 Peterbilt 579

1XPBDP9X2KD638878 · Truck-Tractor · TRUCK
Carriers run under4
31 mo
Inspections5
all-time
OOS inspections2
of 5
First seenOct 21, 2023
MT
Last seenMay 14, 2026
MT
Inspected under 4 different carriers in 31 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
1XPBDP9X2KD638878
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 29, 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
BDP9X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

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
638878

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 · 21,366 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 21,366 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 · Oct 21, 2023 – May 14, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 14, 2026MTII · Walk-around4OOSWSL INC 1951973YAJS745/OR
May 14, 2026MTII · Walk-around4OOSWSL INC 1951973YAJS745/OR
Apr 16, 2024MTIII · Driver-only0JLE TRUCKING INC 1100030YAJS745/OR
Jan 10, 2024MTIII · Driver-only2FRANK BOYS TRUCKING & LANDSCAPING LLC 1805329YAJS745/OR
Oct 21, 2023MTIII · Driver-only1G'S LOGISTICS INC 1484824YAJS745/OR
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WSL INC1951973May 14, 2026May 14, 20262WA
JLE TRUCKING INC1100030Apr 16, 2024Apr 16, 20241MN
FRANK BOYS TRUCKING & LANDSCAPING LLC1805329Jan 10, 2024Jan 10, 20241MO
G'S LOGISTICS INC1484824Oct 21, 2023Oct 21, 20231UT
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.
YAJS745OR1WSL INCMay 14, 2026May 14, 20262
YAJS745ORJLE TRUCKING INCApr 16, 2024Apr 16, 20241
YAJS745ORFRANK BOYS TRUCKING & LANDSCAPING LLCJan 10, 2024Jan 10, 20241
YAJS745ORG'S LOGISTICS INCOct 21, 2023Oct 21, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026