Equipment unit · VIN-decoded · NHTSA vPIC

2014 Peterbilt 388

1XPWP4EX0ED236553 · Truck-Tractor · TRUCK
Carriers run under1
28 mo
Inspections6
all-time
OOS inspections3
of 6
First seenJun 17, 2023
ND
Last seenOct 23, 2025
ND
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPWP4EX0ED236553
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
0 · valid

Deterministic · position 9; calculated value 0.

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
236553

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 · Jun 17, 2023 – Oct 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Oct 23, 2025NDII · Walk-around0WISCO TRUCKING INC 183054741726P/ND
Oct 10, 2025NDI · Full6OOSWISCO TRUCKING INC 183054741726P/ND
Sep 25, 2025NDIII · Driver-only0WISCO TRUCKING INC 183054741726P/ND
May 30, 2025NDI · Full10OOSWISCO TRUCKING INC 183054741726P/ND
May 6, 2025MTIII · Driver-only1WISCO TRUCKING INC 183054741726P/ND
Jun 17, 2023NDII · Walk-around4OOSWISCO TRUCKING INC 183054741726P/ND
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
WISCO TRUCKING INC1830547Jun 17, 2023Oct 23, 20256ND
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.
41726PNDWISCO TRUCKING INCJun 17, 2023Oct 23, 20256
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026