Equipment unit · VIN-decoded · NHTSA vPIC

2004 Peterbilt 379

1XP5DB9X74D825794 · Truck-Tractor · TRUCK
Carriers run under2
35 mo
Inspections6
all-time
OOS inspections1
of 6
First seenJun 14, 2023
CO
Last seenMay 6, 2026
NM
Inspected under 2 different carriers in 35 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
1XP5DB9X74D825794
Make
Peterbilt
Model
379
Model year
2004
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 24, 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
5DB9X

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
2004 or 2034

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

North American serial sequence
825794

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 · 13,463 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 13,463 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
2004

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 · Jun 14, 2023 – May 6, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 6, 2026NMIII · Driver-only0MRS EXPRESS LLC 3728546IRN3437/NM
Nov 5, 2025COIII · Driver-only2COLT & JOE TRUCKING LLC 926258IRL1578/NM
Oct 23, 2025TXII · Walk-around0COLT & JOE TRUCKING LLC 926258IRM6612/NM
Jul 23, 2024ARII · Walk-around1COLT & JOE TRUCKING LLC 926258IRM6612/NM
Sep 25, 2023TXII · Walk-around7OOSCOLT & JOE TRUCKING LLC 926258WD128452/NM
Jun 14, 2023COII · Walk-around4COLT & JOE TRUCKING LLC 926258IRL1578/NM
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MRS EXPRESS LLC3728546May 6, 2026May 6, 20261NM
COLT & JOE TRUCKING LLC926258Jun 14, 2023Nov 5, 20255NM
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.
IRN3437NMMRS EXPRESS LLCMay 6, 2026May 6, 20261
IRL1578NMCOLT & JOE TRUCKING LLCJun 14, 2023Nov 5, 20252
IRM6612NMCOLT & JOE TRUCKING LLCJul 23, 2024Oct 23, 20252
WD128452NMCOLT & JOE TRUCKING LLCSep 25, 2023Sep 25, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026