Equipment unit · VIN-decoded · NHTSA vPIC

1996 Peterbilt 377

1XPCDB8X5TD386179 · Truck-Tractor · TRUCK
Carriers run under2
22 mo
Inspections3
all-time
OOS inspections2
of 3
First seenJun 25, 2024
AZ
Last seenApr 22, 2026
TX
Inspected under 2 different carriers in 22 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
1XPCDB8X5TD386179
Make
Peterbilt
Model
377
Model year
1996
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 31, 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
CDB8X

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
1996 or 2026

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

North American serial sequence
386179

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 · 54 decoded VINs at 90.7% prefix purity.

Model
377

Prefix basis · 54 decoded VINs at 90.7% 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
1996

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
377

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 25, 2024 – Apr 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 22, 2026TXII · Walk-around9OOSUNDERGROUND EXPRESS UGX LLC 4455232IRN2580/NM
Aug 26, 2025TXII · Walk-around8NEXGEN OUTLAWZ LLC 2941435IRM2826/NM
Jun 25, 2024AZII · Walk-around3OOSNEXGEN OUTLAWZ LLC 2941435IRM2826/NM
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
UNDERGROUND EXPRESS UGX LLC4455232Apr 22, 2026Apr 22, 20261NM
NEXGEN OUTLAWZ LLC2941435Jun 25, 2024Aug 26, 20252NM
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.
IRN2580NMUNDERGROUND EXPRESS UGX LLCApr 22, 2026Apr 22, 20261
IRM2826NMNEXGEN OUTLAWZ LLCJun 25, 2024Aug 26, 20252
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 31, 2026