Equipment unit · VIN-decoded · NHTSA vPIC

2016 Peterbilt 579

1XPBDP9X4GD306903 · Truck-Tractor · TRUCK
Carriers run under2
18 mo
Inspections4
all-time
OOS inspections2
of 4
First seenSep 13, 2024
NM
Last seenMar 5, 2026
ID
Inspected under 2 different carriers in 18 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
1XPBDP9X4GD306903
Make
Peterbilt
Model
579
Model year
2016
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
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1986 or 2016

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

North American serial sequence
306903

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
2016

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 13, 2024 – Mar 5, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 5, 2026IDII · Walk-around7OOSREINSFELDER INC 980193875495/IN
Mar 6, 2025KYII · Walk-around1OOSR & R EXPRESS INC 920564339034/IN
Nov 20, 2024AZIII · Driver-only0R & R EXPRESS INC 9205643393034/IN
Sep 13, 2024NMIII · Driver-only0R & R EXPRESS INC 9205643393034/IN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
REINSFELDER INC98019Mar 5, 2026Mar 5, 20261PA
R & R EXPRESS INC920564Sep 13, 2024Mar 6, 20253PA
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.
3875495INREINSFELDER INCMar 5, 2026Mar 5, 20261
339034INR & R EXPRESS INCMar 6, 2025Mar 6, 20251
3393034INR & R EXPRESS INCSep 13, 2024Nov 20, 20242
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026