Equipment unit · VIN-decoded · NHTSA vPIC

Peterbilt 379

1NP5GGGG30D517744 · Incomplete - Glider · INCOMPLETE VEHICLE
Carriers run under2
37 mo
Inspections3
all-time
OOS inspections1
of 3
First seenJul 19, 2023
UT
Last seenAug 26, 2026
UT
Inspected under 2 different carriers in 37 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
1NP5GGGG30D517744
Make
Peterbilt
Model
379
Model year
Body class
Incomplete - Glider
Vehicle type
INCOMPLETE VEHICLE
GVWR
Not decoded
Decoded at
Aug 28, 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
1NP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
5GGGG

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
Not established

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

North American serial sequence
517744

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 · 89 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 89 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
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
379

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Incomplete - Glider

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

Observed directly for this VIN via NHTSA vPIC.

Not established

  • model year
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Jul 19, 2023 – Aug 26, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 26, 2026UTIII · Driver-only0801 DUMP TRUCKING LLC 4139791Z500TV/UT
Jun 4, 2026UTI · Full2801 DUMP TRUCKING LLC 4139791P011765246/UT
Jul 19, 2023UTI · Full18OOSWITT EXCAVATING INC 743671W233RH/UT
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
801 DUMP TRUCKING LLC4139791Jun 4, 2026Aug 26, 20262UT
WITT EXCAVATING INC743671Jul 19, 2023Jul 19, 20231UT
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.
Z500TVUT1801 DUMP TRUCKING LLCAug 26, 2026Aug 26, 20261
P011765246UT801 DUMP TRUCKING LLCJun 4, 2026Jun 4, 20261
W233RHUTWITT EXCAVATING INCJul 19, 2023Jul 19, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 28, 2026