Equipment unit · VIN-decoded · NHTSA vPIC

2015 Peterbilt 389

1XPXP4EX5FD282434 · Truck-Tractor · TRUCK
Carriers run under2
9 mo
Inspections4
all-time
OOS inspections2
of 4
First seenMar 12, 2024
AZ
Last seenDec 18, 2024
TX
Inspected under 2 different carriers in 9 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
1XPXP4EX5FD282434
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
XP4EX

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

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
282434

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 · 919 decoded VINs at 100.0% prefix purity.

Model
389

Prefix basis · 919 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 · Mar 12, 2024 – Dec 18, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 18, 2024TXI · Full0BOSS HEAVY HAUL LLC 829033KL456/OK
May 23, 2024AZIII · Driver-only0BOSS HEAVY HAUL LLC 829033KL456/OK
Mar 14, 2024NMII · Walk-around1OOSCOWBOY'S SERVICES INC 325025R231980/TX
Mar 12, 2024AZII · Walk-around3OOSBOSS HEAVY HAUL LLC 82903R231980/TX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BOSS HEAVY HAUL LLC82903Mar 12, 2024Dec 18, 20243GA
COWBOY'S SERVICES INC325025Mar 14, 2024Mar 14, 20241TX
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.
3KL456OKBOSS HEAVY HAUL LLCMay 23, 2024Dec 18, 20242
R231980TXCOWBOY'S SERVICES INCMar 14, 2024Mar 14, 20241
R231980TXBOSS HEAVY HAUL LLCMar 12, 2024Mar 12, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026