Equipment unit · VIN-decoded · NHTSA vPIC

2001 Peterbilt 379

1XP5DR9X61D510926 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections16
all-time
OOS inspections4
of 16
First seenSep 22, 2023
AZ
Last seenMar 27, 2026
US
Inspected under 2 different carriers in 30 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
1XP5DR9X61D510926
Make
Peterbilt
Model
379
Model year
2001
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
5DR9X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
2001 or 2031

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

North American serial sequence
510926

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 · 1,270 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 1,270 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
2001

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 · Sep 22, 2023 – Mar 27, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 27, 2026USI · Full9TRES C TRANSPORTACION SA DE CV 1283563327SU6/MX
Mar 9, 2026USI · Full11OOSTRES C TRANSPORTACION SA DE CV 1283563327SU6/MX
Nov 11, 2025USI · Full5TRES C TRANSPORTACION SA DE CV 1283563327SU6/MX
May 30, 2025USI · Full6TRES C TRANSPORTACION SA DE CV 1283563327SU6/MX
Feb 5, 2025USI · Full6OOSTRES C TRANSPORTACION SA DE CV 1283563327SU6/MX
Jan 21, 2025AZIII · Driver-only0TRES C TRANSPORTACION SA DE CV 12835631TW800/AZ
Jan 13, 2025USII · Walk-around8TRES C TRANSPORTACION SA DE CV 1283563327SU6/MX
Jan 8, 2025USI · Full11TRES C TRANSPORTACION SA DE CV 1283563327SU6/MX
Oct 14, 2024USI · Full3TRES C TRANSPORTACION SA DE CV 1283563327SU6/MX
Oct 4, 2024USI · Full10TRES C TRANSPORTACION SA DE CV 1283563327SU6/MX
Jun 22, 2024USI · Full3TRES C TRANSPORTACION SA DE CV 1283563327SU6/MX
May 28, 2024USII · Walk-around4TRES C TRANSPORTACION SA DE CV 1283563327SU6/MX
May 16, 2024AZI · Full8OOSJAVIER ALFREDO HERNANDEZ LOPEZ 20790071TW800/AZ
May 3, 2024USII · Walk-around4TRES C TRANSPORTACION SA DE CV 1283563327SU6/MX
Jan 5, 2024USI · Full7OOSTRES C TRANSPORTACION SA DE CV 1283563327SU6/MX
Sep 22, 2023AZI · Full4TRES C TRANSPORTACION SA DE CV 12835631TW800/AZ
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRES C TRANSPORTACION SA DE CV1283563Sep 22, 2023Mar 27, 202615SO
JAVIER ALFREDO HERNANDEZ LOPEZ2079007May 16, 2024May 16, 20241SO
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.
327SU6MX1TRES C TRANSPORTACION SA DE CVJan 5, 2024Mar 27, 202613
1TW800AZTRES C TRANSPORTACION SA DE CVSep 22, 2023Jan 21, 20252
1TW800AZJAVIER ALFREDO HERNANDEZ LOPEZMay 16, 2024May 16, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026