Equipment unit · VIN-decoded · NHTSA vPIC

2024 Peterbilt 579

1XPBDP9X6RD610334 · Truck-Tractor · TRUCK
Carriers run under3
13 mo
Inspections9
all-time
OOS inspections1
of 9
First seenJan 17, 2024
CA
Last seenFeb 24, 2025
IN
Inspected under 3 different carriers in 13 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
1XPBDP9X6RD610334
Make
Peterbilt
Model
579
Model year
2024
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
BDP9X

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1994 or 2024

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

North American serial sequence
610334

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
2024

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 · Jan 17, 2024 – Feb 24, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 24, 2025INIII · Driver-only2KAL FREIGHT INC 2511620ZP44827/CA
Dec 23, 2024CAII · Walk-around2KAL FREIGHT INC 2511620ZP44827/CA
Dec 22, 2024CAII · Walk-around4KAL FREIGHT INC 2511620ZP44827/CA
Dec 2, 2024OKIII · Driver-only1KAL FREIGHT INC 2511620ZP44827/CA
Sep 9, 2024NMI · Full0SPG TRANSPORTATION INC 2881143ZP10011/CA
Aug 25, 2024NMIII · Driver-only0BACON BRANCH BEEF LLC 2801143ZP10011/CA
Jul 30, 2024NMII · Walk-around2OOSSPG TRANSPORTATION INC 2881143ZP10011/CA
May 14, 2024AZIII · Driver-only4SPG TRANSPORTATION INC 2881143ZP10011/CA
Jan 17, 2024CAI · Full0SPG TRANSPORTATION INC 2881143ZP10011/CA
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
KAL FREIGHT INC2511620Dec 2, 2024Feb 24, 20254TX
SPG TRANSPORTATION INC2881143Jan 17, 2024Sep 9, 20244TX
BACON BRANCH BEEF LLC2801143Aug 25, 2024Aug 25, 20241WI
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.
ZP44827CAKAL FREIGHT INCDec 2, 2024Feb 24, 20254
ZP10011CASPG TRANSPORTATION INCJan 17, 2024Sep 9, 20244
ZP10011CABACON BRANCH BEEF LLCAug 25, 2024Aug 25, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 19, 2026