Equipment unit · VIN-decoded · NHTSA vPIC

2018 Peterbilt 579

1XPBD49X6JD459644 · Truck-Tractor · TRUCK
Carriers run under2
30 mo
Inspections13
all-time
OOS inspections4
of 13
First seenNov 14, 2023
US
Last seenMay 8, 2026
MO
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
1XPBD49X6JD459644
Make
Peterbilt
Model
579
Model year
2018
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 16, 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
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1988 or 2018

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

North American serial sequence
459644

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
2018

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 – May 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 8, 2026MOIII · Driver-only2OOSTVS TRUCKING AND OILFIELD SERVICE LLC 2392510R702546/TX
Apr 21, 2026OKIII · Driver-only0TVS TRUCKING AND OILFIELD SERVICE LLC 2392510R702546/TX
Apr 20, 2026SDII · Walk-around5OOSTVS TRUCKING AND OILFIELD SERVICE LLC 2392510R702546/TX
Apr 19, 2026IAIII · Driver-only3OOSTVS TRUCKING AND OILFIELD SERVICE LLC 2392510R702546/TX
Mar 15, 2026OKI · Full3TVS TRUCKING AND OILFIELD SERVICE LLC 2392510R702546/TX
Feb 6, 2026NMII · Walk-around1OOSTVS TRUCKING AND OILFIELD SERVICE LLC 2392510R702546/TX
Nov 8, 2024USI · Full1TVS TRUCKING AND OILFIELD SERVICE LLC 239251031LA1J/MX
Nov 7, 2024TXII · Walk-around2TVS TRUCKING AND OILFIELD SERVICE LLC 2392510R702546/TX
Jan 19, 2024TXII · Walk-around0TVS TRUCKING AND OILFIELD SERVICE LLC 2392510R702546/TX
Jan 11, 2024TXI · Full0TVS TRUCKING AND OILFIELD SERVICE LLC 2392510R702546/TX
Dec 2, 2023TXI · Full1TVS TRUCKING AND OILFIELD SERVICE LLC 2392510R702546/TX
Nov 14, 2023USI · Full0TVS TRUCKING AND OILFIELD SERVICE LLC 239251031LA1J/MX
Nov 14, 2023USI · Full0ARTURO MONTELONGO DE LOS REYES 110016631LA1J/MX
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TVS TRUCKING AND OILFIELD SERVICE LLC2392510Nov 14, 2023May 8, 202612TX
ARTURO MONTELONGO DE LOS REYES1100166Nov 14, 2023Nov 14, 20231TA
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.
R702546TXTVS TRUCKING AND OILFIELD SERVICE LLCDec 2, 2023May 8, 202610
31LA1JMXTVS TRUCKING AND OILFIELD SERVICE LLCNov 14, 2023Nov 8, 20242
31LA1JMXARTURO MONTELONGO DE LOS REYESNov 14, 2023Nov 14, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026