Equipment unit · VIN-decoded · NHTSA vPIC

2007 Peterbilt 379

1XP5D49X37D688465 · Truck-Tractor · TRUCK
Carriers run under4
32 mo
Inspections5
all-time
OOS inspections2
of 5
First seenJul 16, 2023
IA
Last seenMar 19, 2026
WY
Inspected under 4 different carriers in 32 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
1XP5D49X37D688465
Make
Peterbilt
Model
379
Model year
2007
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 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
1XP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
5D49X

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
688465

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 · 880 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 880 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
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 · Jul 16, 2023 – Mar 19, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 19, 2026WYII · Walk-around5OOSCIRCUIT TRUCKING LLC 990999A25558/WY
Oct 23, 2025WYI · Full12OOSL & M OIL LLC 4233507A25558/WY
Apr 22, 2025WYI · Full0HAZPRO TRANSPORTATION LLC 666415A20144/WY
Dec 19, 2023MTIII · Driver-only0O'NEIL 5 STAR LLC 184352668749X/WI
Jul 16, 2023IAII · Walk-around0O'NEIL 5 STAR LLC 184352668749X/WI
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CIRCUIT TRUCKING LLC990999Mar 19, 2026Mar 19, 20261ID
L & M OIL LLC4233507Oct 23, 2025Oct 23, 20251WY
HAZPRO TRANSPORTATION LLC666415Apr 22, 2025Apr 22, 20251CO
O'NEIL 5 STAR LLC1843526Jul 16, 2023Dec 19, 20232WI
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.
A25558WYCIRCUIT TRUCKING LLCMar 19, 2026Mar 19, 20261
A25558WY1L & M OIL LLCOct 23, 2025Oct 23, 20251
A20144WY1HAZPRO TRANSPORTATION LLCApr 22, 2025Apr 22, 20251
68749XWIO'NEIL 5 STAR LLCJul 16, 2023Dec 19, 20232
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026