Equipment unit · VIN-decoded · NHTSA vPIC

2016 Peterbilt 579

1XPBDP9X9GD297941 · Truck-Tractor · TRUCK
Carriers run under3
26 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJul 9, 2024
NC
Last seenSep 1, 2026
TX
Inspected under 3 different carriers in 26 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
1XPBDP9X9GD297941
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 31, 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
9 · valid

Deterministic · position 9; calculated value 9.

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
297941

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.

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 9, 2024 – Sep 1, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 1, 2026TXII · Walk-around2—SWITCH MC LLC 3399459R772253/TX
Jan 15, 2026TXII · Walk-around2OOSSUNLINE TRUCKING LLC 3253653R772253/TX
Sep 22, 2025TXII · Walk-around2—SUNLINE TRUCKING LLC 3253653R772253/TX
Jul 9, 2024NCIII · Driver-only0—R&M EXPRESS TRANSPORT LLC 2798888AB43CU/FL
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SWITCH MC LLC3399459Sep 1, 2026Sep 1, 20261TX
SUNLINE TRUCKING LLC3253653Sep 22, 2025Jan 15, 20262TX
R&M EXPRESS TRANSPORT LLC2798888Jul 9, 2024Jul 9, 20241FL
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.
R772253TX1SWITCH MC LLCSep 1, 2026 → Sep 1, 20261
R772253TX—SUNLINE TRUCKING LLCSep 22, 2025 → Jan 15, 20262
AB43CUFL—R&M EXPRESS TRANSPORT LLCJul 9, 2024 → Jul 9, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 31, 2026