Equipment unit · VIN-decoded · NHTSA vPIC

2001 Peterbilt 379

1XP5DB0X61N527336 · Truck-Tractor · TRUCK
Carriers run under1
35 mo
Inspections27
all-time
OOS inspections0
of 27
First seenJun 12, 2023
NY
Last seenMay 21, 2026
NY
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XP5DB0X61N527336
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
5DB0X

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
527336

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 · 443 decoded VINs at 100.0% prefix purity.

Model
379

Prefix basis · 443 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 · Jun 12, 2023 – May 21, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 21, 2026NYI · Full1SOUTHERN TIER EXPRESS INC 27668470023PC/NY
May 20, 2026NYI · Full0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
May 19, 2026NYI · Full0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
May 18, 2026NYI · Full1SOUTHERN TIER EXPRESS INC 27668470023PC/NY
May 14, 2026NYI · Full0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
May 13, 2026NYI · Full0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
May 12, 2026NYI · Full0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
May 11, 2026NYI · Full0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
May 7, 2026NYI · Full0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
May 6, 2026NYI · Full0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
May 5, 2026NYI · Full1SOUTHERN TIER EXPRESS INC 27668470023PC/NY
May 4, 2026NYI · Full0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
Apr 30, 2026NYI · Full0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
Apr 29, 2026NYI · Full0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
Apr 28, 2026NYI · Full0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
Apr 27, 2026NYI · Full0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
Apr 23, 2026NYI · Full0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
Apr 22, 2026NYI · Full0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
Apr 21, 2026NYI · Full1SOUTHERN TIER EXPRESS INC 27668470023PC/NY
Apr 20, 2026NYI · Full0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
May 6, 2025NYI · Full0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
Dec 28, 2023NYI · Full0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
Jun 21, 2023NYII · Walk-around0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
Jun 19, 2023NYI · Full0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
Jun 16, 2023NYI · Full0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
Jun 14, 2023NYII · Walk-around0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
Jun 12, 2023NYII · Walk-around0SOUTHERN TIER EXPRESS INC 27668470023PC/NY
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SOUTHERN TIER EXPRESS INC276684Jun 12, 2023May 21, 202627NY
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.
70023PCNYSOUTHERN TIER EXPRESS INCJun 12, 2023May 21, 202627
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026