Equipment unit · VIN-decoded · NHTSA vPIC

2022 Peterbilt 579

1XPBDP9X1ND793796 · Truck-Tractor · TRUCK
Carriers run under3
29 mo
Inspections8
all-time
OOS inspections4
of 8
First seenFeb 15, 2024
SC
Last seenJul 30, 2026
CO
Inspected under 3 different carriers in 29 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
1XPBDP9X1ND793796
Make
Peterbilt
Model
579
Model year
2022
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 25, 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
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1992 or 2022

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

North American serial sequence
793796

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
2022

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 · Feb 15, 2024 – Jul 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 30, 2026COIII · Driver-only6OOSD RAMIREZ TRANSPORT INC 1405178ZP55501/CA
Jul 3, 2026CAIII · Driver-only0RMZ TRANSPORT INC 2798127ZP55501/CA
Jan 22, 2026CAI · Full2OOSD RAMIREZ TRANSPORT INC 1405178ZP55501/CA
Jan 12, 2026CAII · Walk-around2OOSRMZ TRANSPORT INC 2798127ZP55501/CA
Jul 26, 2025CAI · Full0D RAMIREZ TRANSPORT INC 1405178ZP55501/CA
Jun 25, 2025USI · Full4RMZ TRANSPORT INC 2798127ZP55501/CA
Jun 24, 2025USI · Full3OOSRMZ TRANSPORT INC 2798127ZP55501/CA
Feb 15, 2024SCII · Walk-around1KAG FOOD PRODUCTS LLC 247780PWQ3021/OH
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
D RAMIREZ TRANSPORT INC1405178Jul 26, 2025Jul 30, 20263CA
RMZ TRANSPORT INC2798127Jun 24, 2025Jul 3, 20264CA
KAG FOOD PRODUCTS LLC247780Feb 15, 2024Feb 15, 20241OH
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.
ZP55501CA1D RAMIREZ TRANSPORT INCJul 26, 2025Jul 30, 20263
ZP55501CA1RMZ TRANSPORT INCJun 24, 2025Jul 3, 20264
PWQ3021OHKAG FOOD PRODUCTS LLCFeb 15, 2024Feb 15, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 25, 2026