Equipment unit · VIN-decoded · NHTSA vPIC

2006 Peterbilt 378

1XPFDB9X06N639810 · Truck-Tractor · TRUCK
Carriers run under3
30 mo
Inspections5
all-time
OOS inspections0
of 5
First seenOct 31, 2023
IN
Last seenApr 17, 2026
NY
Inspected under 3 different carriers in 30 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
1XPFDB9X06N639810
Make
Peterbilt
Model
378
Model year
2006
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 29, 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
FDB9X

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
2006 or 2036

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

North American serial sequence
639810

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 · 524 decoded VINs at 100.0% prefix purity.

Model
378

Prefix basis · 524 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
2006

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
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 · Oct 31, 2023 – Apr 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 17, 2026NYII · Walk-around5PACKARD TRANSPORT LLC 3555023917080/IN
Oct 27, 2025TXII · Walk-around0MERCER TRANSPORTATION COMPANY INC 1547123911334/IN
Jul 25, 2024NYII · Walk-around5BOSTON EXPRESS TRUCKING INC 35318237809B/MA
Dec 18, 2023KYIII · Driver-only1BOSTON EXPRESS TRUCKING INC 353182378709B/MA
Oct 31, 2023INIII · Driver-only0BOSTON EXPRESS TRUCKING INC 35318237809B/MA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PACKARD TRANSPORT LLC355502Apr 17, 2026Apr 17, 20261IL
MERCER TRANSPORTATION COMPANY INC154712Oct 27, 2025Oct 27, 20251KY
BOSTON EXPRESS TRUCKING INC3531823Oct 31, 2023Jul 25, 20243MA
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.
3917080INPACKARD TRANSPORT LLCApr 17, 2026Apr 17, 20261
3911334INMERCER TRANSPORTATION COMPANY INCOct 27, 2025Oct 27, 20251
7809BMABOSTON EXPRESS TRUCKING INCOct 31, 2023Jul 25, 20242
78709BMABOSTON EXPRESS TRUCKING INCDec 18, 2023Dec 18, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 29, 2026