Equipment unit · VIN-decoded · NHTSA vPIC

2001 Peterbilt 378

1NPFD69X81D555038 · Truck-Tractor · INCOMPLETE VEHICLE
Carriers run under2
24 mo
Inspections2
all-time
OOS inspections0
of 2
First seenJul 2, 2024
CO
Last seenJul 8, 2026
IN
Inspected under 2 different carriers in 24 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
1NPFD69X81D555038
Make
Peterbilt
Model
378
Model year
2001
Body class
Truck-Tractor
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Aug 27, 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
1NP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
FD69X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
2001 or 2031

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

North American serial sequence
555038

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
2001

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
378

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 2, 2024 – Jul 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 8, 2026INIII · Driver-only1KTI INC 2341434A467365/IN
Jul 2, 2024COV · Vehicle-only0SOUTHWAY CONSTRUCTION COMPANY INC OF ALAMOSA 197315515DGT/CO
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KTI INC2341434Jul 8, 2026Jul 8, 20261IN
SOUTHWAY CONSTRUCTION COMPANY INC OF ALAMOSA197315Jul 2, 2024Jul 2, 20241CO
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.
A467365IN1KTI INCJul 8, 2026Jul 8, 20261
515DGTCOSOUTHWAY CONSTRUCTION COMPANY INC OF ALAMOSAJul 2, 2024Jul 2, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 27, 2026