Equipment unit · VIN-decoded · NHTSA vPIC

2023 Peterbilt 579

1XPBD49X3PD860786 · Truck-Tractor · TRUCK
Carriers run under2
27 mo
Inspections9
all-time
OOS inspections3
of 9
First seenNov 14, 2023
CA
Last seenFeb 9, 2026
KY
Inspected under 2 different carriers in 27 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
1XPBD49X3PD860786
Make
Peterbilt
Model
579
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 19, 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
BD49X

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

Model year candidates
1993 or 2023

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

North American serial sequence
860786

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 · 26,166 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 26,166 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
2023

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
579

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 · Nov 14, 2023 – Feb 9, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 9, 2026KYI · Full3TOWN HOUSE CARRIERS LLC 29363603741014/IN
Jan 27, 2026TNIII · Driver-only0TOWN HOUSE CARRIERS LLC 29363603741014/IN
Nov 18, 2025TNIII · Driver-only0TOWN HOUSE CARRIERS LLC 29363603741014/IN
Mar 13, 2025ARIII · Driver-only1TOWN HOUSE CARRIERS LLC 29363603741014/IN
Feb 19, 2025INII · Walk-around1TOWN HOUSE CARRIERS LLC 2936360TEMP/IN
Jan 14, 2025OHII · Walk-around2OOSTOWN HOUSE CARRIERS LLC 293636003533048/MN
Jul 25, 2024NVII · Walk-around1OOSWESTERN SPECIALIZED INC 1215999PAV6724/MN
Nov 14, 2023CAI · Full0WESTERN SPECIALIZED INC 1215999PAV6724/MN
Nov 14, 2023CAI · Full1OOSWESTERN SPECIALIZED INC 1215999PAV6724/MN
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TOWN HOUSE CARRIERS LLC2936360Jan 14, 2025Feb 9, 20266IN
WESTERN SPECIALIZED INC1215999Nov 14, 2023Jul 25, 20243MN
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.
3741014INTOWN HOUSE CARRIERS LLCMar 13, 2025Feb 9, 20264
TEMPINTOWN HOUSE CARRIERS LLCFeb 19, 2025Feb 19, 20251
03533048MNTOWN HOUSE CARRIERS LLCJan 14, 2025Jan 14, 20251
PAV6724MNWESTERN SPECIALIZED INCNov 14, 2023Jul 25, 20243
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026