Equipment unit · VIN-decoded · NHTSA vPIC

2015 Peterbilt 389

1XPXD49X6FD279982 · Truck-Tractor · TRUCK
Carriers run under1
14 mo
Inspections4
all-time
OOS inspections0
of 4
First seenApr 28, 2025
MO
Last seenJun 15, 2026
NM
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPXD49X6FD279982
Make
Peterbilt
Model
389
Model year
2015
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
XD49X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1985 or 2015

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

North American serial sequence
279982

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 · 12,357 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 12,357 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
2015

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
389

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 28, 2025 – Jun 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 15, 2026NMII · Walk-around2SOUTHERN FREIGHT TRANSPORTATION LLC 2951489A550101/MS
Apr 6, 2026TXII · Walk-around0SOUTHERN FREIGHT TRANSPORTATION LLC 2951489A550101/MS
Sep 19, 2025MSIII · Driver-only0SOUTHERN FREIGHT TRANSPORTATION LLC 2951489A550101/MS
Apr 28, 2025MOII · Walk-around1SOUTHERN FREIGHT TRANSPORTATION LLC 2951489A550101/MS
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOUTHERN FREIGHT TRANSPORTATION LLC2951489Apr 28, 2025Jun 15, 20264MS
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.
A550101MS1SOUTHERN FREIGHT TRANSPORTATION LLCApr 28, 2025Jun 15, 20264
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026