Equipment unit · VIN-decoded · NHTSA vPIC

2001 Peterbilt 379

1XP5DR9X11N527739 · Truck-Tractor · TRUCK
Carriers run under4
28 mo
Inspections7
all-time
OOS inspections3
of 7
First seenApr 24, 2024
TN
Last seenAug 17, 2026
SC
Inspected under 4 different carriers in 28 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
1XP5DR9X11N527739
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 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
5DR9X

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

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
527739

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 · Apr 24, 2024 – Aug 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 17, 2026SCII · Walk-around1OOSTST LOGISTICS INC 3555834A553564/MS
Dec 15, 2025COIII · Driver-only0TST LOGISTICS INC 3555834A553564/MS
Dec 1, 2025TXII · Walk-around0BIG G EXPRESS INC 580685V4959HY/TN
Nov 25, 2025TXII · Walk-around5OOSTST LOGISTICS INC 3555834A553564/MS
Dec 30, 2024TNII · Walk-around1ERIC LYNN KING 2ND 41976396854J11/TN
Aug 21, 2024TNI · Full2OOSSE INDEPENDENT DELIVERY SERVICES INC 842212R1437HY/TN
Apr 24, 2024TNI · Full0SE INDEPENDENT DELIVERY SERVICES INC 842212R1437HY/UK
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TST LOGISTICS INC3555834Nov 25, 2025Aug 17, 20263IL
BIG G EXPRESS INC580685Dec 1, 2025Dec 1, 20251TN
ERIC LYNN KING 2ND4197639Dec 30, 2024Dec 30, 20241TN
SE INDEPENDENT DELIVERY SERVICES INC842212Apr 24, 2024Aug 21, 20242FL
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.
A553564MS1TST LOGISTICS INCNov 25, 2025Aug 17, 20263
V4959HYTNBIG G EXPRESS INCDec 1, 2025Dec 1, 20251
6854J11TNERIC LYNN KING 2NDDec 30, 2024Dec 30, 20241
R1437HYTNSE INDEPENDENT DELIVERY SERVICES INCAug 21, 2024Aug 21, 20241
R1437HYUKSE INDEPENDENT DELIVERY SERVICES INCApr 24, 2024Apr 24, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026