Equipment unit · VIN-decoded · NHTSA vPIC

2006 Peterbilt 378

1XPFD49X86D660826 · Truck-Tractor · TRUCK
Carriers run under1
33 mo
Inspections6
all-time
OOS inspections0
of 6
First seenJun 27, 2023
IL
Last seenMar 18, 2026
IL
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPFD49X86D660826
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 25, 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
FD49X

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

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
660826

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 · 105 decoded VINs at 100.0% prefix purity.

Model
378

Prefix basis · 105 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 · Jun 27, 2023 – Mar 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 18, 2026ILII · Walk-around0RICHARD MCNAY INC 1506173821438/IN
Feb 23, 2026ILIII · Driver-only0RICHARD MCNAY INC 1506173821438/IN
May 30, 2025ILIII · Driver-only0RICHARD MCNAY INC 1506173821438/IN
Sep 17, 2024ILII · Walk-around0RICHARD MCNAY INC 1506173296959/IN
Dec 11, 2023ILII · Walk-around0RICHARD MCNAY INC 1506173296959/IN
Jun 27, 2023ILIII · Driver-only0RICHARD MCNAY INC 1506173296959/IN
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RICHARD MCNAY INC150617Jun 27, 2023Mar 18, 20266IL
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.
3821438INRICHARD MCNAY INCMay 30, 2025Mar 18, 20263
3296959INRICHARD MCNAY INCJun 27, 2023Sep 17, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026