Equipment unit · VIN-decoded · NHTSA vPIC

2020 Peterbilt 579

1XPBDP9X6LD683260 · Truck-Tractor · TRUCK
Carriers run under2
23 mo
Inspections8
all-time
OOS inspections1
of 8
First seenJul 7, 2023
AZ
Last seenJun 12, 2025
CA
Inspected under 2 different carriers in 23 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
1XPBDP9X6LD683260
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 21, 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
BDP9X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

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
683260

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 · 21,366 decoded VINs at 100.0% prefix purity.

Model
579

Prefix basis · 21,366 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 · Jul 7, 2023 – Jun 12, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 12, 2025CAIII · Driver-only1SANCO FREIGHT LLC 4148837ZP48305/CA
Feb 3, 2025CAII · Walk-around2SANCO FREIGHT LLC 4148837ZP48305/CA
Jan 27, 2025CAI · Full2OOSSANCO FREIGHT LLC 4148837ZP48305/CA
Dec 17, 2024CAII · Walk-around0SANCO FREIGHT LLC 41488379G74341/CA
Jul 17, 2024CAI · Full1SANCO FREIGHT LLC 41488379G74341/CA
May 2, 2024CAII · Walk-around0SANCO FREIGHT LLC 41488379G74341/CA
Mar 12, 2024CAI · Full1SANCO FREIGHT LLC 41488379G74341/CA
Jul 7, 2023AZI · Full1EXPRESS LOGISTICS SYSTEMS INC 1297659XP75107/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
SANCO FREIGHT LLC4148837Mar 12, 2024Jun 12, 20257CA
EXPRESS LOGISTICS SYSTEMS INC1297659Jul 7, 2023Jul 7, 20231NY
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.
ZP48305CASANCO FREIGHT LLCJan 27, 2025Jun 12, 20253
9G74341CASANCO FREIGHT LLCMar 12, 2024Dec 17, 20244
XP75107CAEXPRESS LOGISTICS SYSTEMS INCJul 7, 2023Jul 7, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026