Equipment unit · VIN-decoded · NHTSA vPIC

2007 Peterbilt 379

1NP5DB9X37D743737 · Truck-Tractor · INCOMPLETE VEHICLE
Carriers run under1
29 mo
Inspections8
all-time
OOS inspections1
of 8
First seenJun 20, 2023
MO
Last seenNov 10, 2025
OK
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NP5DB9X37D743737
Make
Peterbilt
Model
379
Model year
2007
Body class
Truck-Tractor
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 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
5DB9X

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
2007 or 2037

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

North American serial sequence
743737

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 · 475 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 475 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
2007

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
Truck-Tractor

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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 20, 2023 – Nov 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Nov 10, 2025OKIII · Driver-only1MARES TRUCKING LLC 3260407R703943/TX
Oct 15, 2025TXII · Walk-around4MARES TRUCKING LLC 3260407R703943/TX
Apr 3, 2025COIII · Driver-only1MARES TRUCKING LLC 3260407R703943/TX
Feb 21, 2025TXII · Walk-around0MARES TRUCKING LLC 3260407R703943/TX
Dec 8, 2024NMII · Walk-around2OOSMARES TRUCKING LLC 3260407R703943/TX
Nov 26, 2024TXI · Full0MARES TRUCKING LLC 3260407R703943/TX
Nov 20, 2024TXI · Full0MARES TRUCKING LLC 3260407R703943/TX
Jun 20, 2023MOI · Full1MARES TRUCKING LLC 3260407R631782/TX
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MARES TRUCKING LLC3260407Jun 20, 2023Nov 10, 20258TX
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.
R703943TXMARES TRUCKING LLCNov 20, 2024Nov 10, 20257
R631782TXMARES TRUCKING LLCJun 20, 2023Jun 20, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026