Equipment unit · VIN-decoded · NHTSA vPIC

2014 Peterbilt 388

1XPWP4EX6ED222821 · Truck-Tractor · TRUCK
Carriers run under1
16 mo
Inspections6
all-time
OOS inspections5
of 6
First seenOct 31, 2023
TN
Last seenFeb 12, 2025
TN
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPWP4EX6ED222821
Make
Peterbilt
Model
388
Model year
2014
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
WP4EX

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1984 or 2014

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

North American serial sequence
222821

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 · 129 decoded VINs at 100.0% prefix purity.

Model
388

Prefix basis · 129 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
2014

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
388

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 – Feb 12, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 12, 2025TNII · Walk-around1OOSHUMERICK ENVIRONMENTAL CONSTRUCTION INC 1699118S9975HY/TN
Jan 16, 2025TNII · Walk-around2OOSHUMERICK ENVIRONMENTAL CONSTRUCTION INC 1699118S9975HY/TN
Aug 1, 2024TNII · Walk-around3OOSHUMERICK ENVIRONMENTAL CONSTRUCTION INC 1699118S9975HY/TN
Mar 15, 2024TNII · Walk-around1OOSHUMERICK ENVIRONMENTAL CONSTRUCTION INC 1699118S9975HY/TN
Mar 13, 2024TNII · Walk-around2OOSHUMERICK ENVIRONMENTAL CONSTRUCTION INC 1699118S9975HY/TN
Oct 31, 2023TNII · Walk-around0HUMERICK ENVIRONMENTAL CONSTRUCTION INC 16991180H1855/TN
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HUMERICK ENVIRONMENTAL CONSTRUCTION INC1699118Oct 31, 2023Feb 12, 20256TN
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.
S9975HYTNHUMERICK ENVIRONMENTAL CONSTRUCTION INCMar 13, 2024Feb 12, 20255
0H1855TNHUMERICK ENVIRONMENTAL CONSTRUCTION INCOct 31, 2023Oct 31, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026