Equipment unit · VIN-decoded · NHTSA vPIC

2012 Peterbilt 384

1XPVD79X2CD143384 · Truck-Tractor · TRUCK
Carriers run under1
10 mo
Inspections6
all-time
OOS inspections1
of 6
First seenSep 16, 2024
CA
Last seenJul 30, 2025
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPVD79X2CD143384
Make
Peterbilt
Model
384
Model year
2012
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
VD79X

Deterministic · VIN positions 4–8.

Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Model year candidates
1982 or 2012

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

North American serial sequence
143384

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 · 91 decoded VINs at 100.0% prefix purity.

Model
384

Prefix basis · 91 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
2012

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
384

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 · Sep 16, 2024 – Jul 30, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 30, 2025CAIII · Driver-only4EFR ENVIRONMENTAL SERVICES INC 666627ZP51662/CA
Jun 25, 2025AZII · Walk-around2OOSEFR ENVIRONMENTAL SERVICES INC 666627ZP51662/CA
May 7, 2025CAI · Full3EFR ENVIRONMENTAL SERVICES INC 666627ZP51662/CA
Oct 30, 2024CAI · Full0EFR ENVIRONMENTAL SERVICES INC 666627YP78788/CA
Oct 17, 2024CAI · Full1EFR ENVIRONMENTAL SERVICES INC 666627YP78788/CA
Sep 16, 2024CAV · Vehicle-only0EFR ENVIRONMENTAL SERVICES INC 666627YP78788/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
EFR ENVIRONMENTAL SERVICES INC666627Sep 16, 2024Jul 30, 20256CA
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.
ZP51662CAEFR ENVIRONMENTAL SERVICES INCMay 7, 2025Jul 30, 20253
YP78788CAEFR ENVIRONMENTAL SERVICES INCSep 16, 2024Oct 30, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026