Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 567

1NPCLK0X9MD750453 · Truck · INCOMPLETE VEHICLE
Carriers run under1
21 mo
Inspections18
all-time
OOS inspections3
of 18
First seenJul 11, 2023
CA
Last seenApr 28, 2025
CA
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1NPCLK0X9MD750453
Make
Peterbilt
Model
567
Model year
2021
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 14, 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
1NP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
CLK0X

Deterministic · VIN positions 4–8.

Check digit
9 · valid

Deterministic · position 9; calculated value 9.

Model year candidates
1991 or 2021

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

North American serial sequence
750453

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 · 242 decoded VINs at 100.0% prefix purity.

Model
567

Prefix basis · 242 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
2021

Observed directly for this VIN via NHTSA vPIC.

Observed make
PETERBILT

Observed directly for this VIN via NHTSA vPIC.

Observed model
567

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Truck

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

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 11, 2023 – Apr 28, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 28, 2025CAI · Full0DIRT HAULERS INC 323549929159Y3/CA
Apr 23, 2025CAI · Full2OOSDIRT HAULERS INC 323549929159Y3/CA
Apr 5, 2025CAIII · Driver-only0DIRT HAULERS INC 323549929159Y3/CA
Apr 5, 2025CAIII · Driver-only0DIRT HAULERS INC 323549929159Y3/CA
Mar 3, 2025CAIII · Driver-only0DIRT HAULERS INC 323549929159Y3/CA
Feb 25, 2025CAII · Walk-around1DIRT HAULERS INC 323549929159Y3/CA
Jan 27, 2025CAII · Walk-around2OOSDIRT HAULERS INC 323549929159Y3/CA
Oct 31, 2024CAI · Full2DIRT HAULERS INC 323549929159Y3/CA
Aug 29, 2024CAIII · Driver-only0DIRT HAULERS INC 323549929159Y3/CA
Aug 7, 2024CAIII · Driver-only0DIRT HAULERS INC 323549929159Y3/CA
Aug 6, 2024CAII · Walk-around1DIRT HAULERS INC 323549929159Y3/CA
Mar 28, 2024CAII · Walk-around1DIRT HAULERS INC 323549909232C3/CA
Mar 20, 2024CAII · Walk-around0DIRT HAULERS INC 323549909232C3/CA
Mar 7, 2024CAII · Walk-around2DIRT HAULERS INC 323549909232C3/CA
Feb 10, 2024CAIII · Driver-only0DIRT HAULERS INC 323549909232C3/CA
Feb 9, 2024CAI · Full0DIRT HAULERS INC 323549909232C3/CA
Feb 8, 2024CAI · Full3OOSDIRT HAULERS INC 323549909232C3/CA
Jul 11, 2023CAIII · Driver-only0DIRT HAULERS INC 323549909232C3/CA
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
DIRT HAULERS INC3235499Jul 11, 2023Apr 28, 202518CA
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.
29159Y3CADIRT HAULERS INCAug 6, 2024Apr 28, 202511
09232C3CADIRT HAULERS INCJul 11, 2023Mar 28, 20247
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 14, 2026