Equipment unit · VIN-decoded · NHTSA vPIC

2000 Peterbilt 379

1XP5DB9X4YN507423 · Truck-Tractor · TRUCK
Carriers run under3
18 mo
Inspections5
all-time
OOS inspections1
of 5
First seenJul 5, 2024
KS
Last seenJan 28, 2026
KS
Inspected under 3 different carriers in 18 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
1XP5DB9X4YN507423
Make
Peterbilt
Model
379
Model year
2000
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
5DB9X

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
2000 or 2030

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

North American serial sequence
507423

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
2000

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 5, 2024 – Jan 28, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jan 28, 2026KSIII · Driver-only0HAGER BROTHERS TRUCKING INC 10420423MX935/OK
Oct 13, 2025KSI · Full3OOSHAGER BROTHERS TRUCKING INC 10420423MX935/OK
Sep 3, 2025KSIII · Driver-only0HAGER BROTHERS TRUCKING INC 10420423MX935/OK
Jun 9, 2025KSI · Full8CASPER EXPRESS INC 13872593LF496/OK
Jul 5, 2024KSII · Walk-around1STETSON CAVES 19825463KC426/OK
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
HAGER BROTHERS TRUCKING INC1042042Sep 3, 2025Jan 28, 20263OK
CASPER EXPRESS INC1387259Jun 9, 2025Jun 9, 20251OK
STETSON CAVES1982546Jul 5, 2024Jul 5, 20241OK
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.
3MX935OKHAGER BROTHERS TRUCKING INCSep 3, 2025Jan 28, 20263
3LF496OKCASPER EXPRESS INCJun 9, 2025Jun 9, 20251
3KC426OKSTETSON CAVESJul 5, 2024Jul 5, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026