Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 579

1XPBD49X0LD661513 · Truck-Tractor · TRUCK
Carriers run under1
4 mo
Inspections6
all-time
OOS inspections0
of 6
First seenMay 30, 2024
TN
Last seenSep 30, 2024
IN
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1XPBD49X0LD661513
Make
Peterbilt
Model
579
Model year
2020
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
BD49X

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1990 or 2020

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

North American serial sequence
661513

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
2020

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 · May 30, 2024 – Sep 30, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Sep 30, 2024INIII · Driver-only10DIAKADI TRUCK INC 3917194R701981/TX
Aug 7, 2024TNIII · Driver-only1DIAKADI TRUCK INC 3917194R701981/UK
Aug 6, 2024PAI · Full3DIAKADI TRUCK INC 3917194R701981/TX
Jul 11, 2024SCIII · Driver-only2DIAKADI TRUCK INC 3917194R701981/TX
Jun 7, 2024TNIII · Driver-only0DIAKADI TRUCK INC 3917194R673412/TX
May 30, 2024TNIII · Driver-only1DIAKADI TRUCK INC 3917194R673412/TN
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DIAKADI TRUCK INC3917194May 30, 2024Sep 30, 20246TX
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.
R701981TXDIAKADI TRUCK INCJul 11, 2024Sep 30, 20243
R701981UKDIAKADI TRUCK INCAug 7, 2024Aug 7, 20241
R673412TXDIAKADI TRUCK INCJun 7, 2024Jun 7, 20241
R673412TNDIAKADI TRUCK INCMay 30, 2024May 30, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 24, 2026