Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 579

1XPBDP9X3LD649387 · Truck-Tractor · TRUCK
Carriers run under4
27 mo
Inspections5
all-time
OOS inspections1
of 5
First seenApr 15, 2024
WI
Last seenJul 9, 2026
CA
Inspected under 4 different carriers in 27 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
1XPBDP9X3LD649387
Make
Peterbilt
Model
579
Model year
2020
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 12, 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
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1990 or 2020

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

North American serial sequence
649387

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
2020

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 · Apr 15, 2024 – Jul 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 9, 2026CAII · Walk-around2OOSSMJM TRANSPORT LLC 4304193ZP61726/CA
Aug 15, 2025CAI · Full1SMJM TRANSPORT LLC 4304193ZP61726/CA
Sep 3, 2024NVIII · Driver-only2BABIL TRANSPORTATION LLC 3617792ZP02390/CA
Jul 17, 2024CAI · Full1OLD WOLF LLC 3435473ZP02390/CA
Apr 15, 2024WIII · Walk-around1PRIME TRANSPORTATION SERVICES INC 2339238ZP02390/CA
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SMJM TRANSPORT LLC4304193Aug 15, 2025Jul 9, 20262CA
BABIL TRANSPORTATION LLC3617792Sep 3, 2024Sep 3, 20241WA
OLD WOLF LLC3435473Jul 17, 2024Jul 17, 20241WA
PRIME TRANSPORTATION SERVICES INC2339238Apr 15, 2024Apr 15, 20241MO
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.
ZP61726CA1SMJM TRANSPORT LLCAug 15, 2025Jul 9, 20262
ZP02390CABABIL TRANSPORTATION LLCSep 3, 2024Sep 3, 20241
ZP02390CAOLD WOLF LLCJul 17, 2024Jul 17, 20241
ZP02390CAPRIME TRANSPORTATION SERVICES INCApr 15, 2024Apr 15, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026