Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 348

2NP3XJ0X7MM723552 · Truck · INCOMPLETE VEHICLE
Carriers run under2
13 mo
Inspections16
all-time
OOS inspections5
of 16
First seenJul 18, 2025
CA
Last seenAug 11, 2026
CA
Inspected under 2 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
2NP3XJ0X7MM723552
Make
Peterbilt
Model
348
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 17, 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
2NP

Deterministic · VIN positions 1–3.

Vehicle descriptor section
3XJ0X

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

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
723552

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 · 267 decoded VINs at 100.0% prefix purity.

Model
348

Prefix basis · 267 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
348

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 18, 2025 – Aug 11, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 11, 2026CAIII · Driver-only2BACK AND FORTH INC 297748920400B4/CA
Jul 23, 2026CAIII · Driver-only4OOSBACK AND FORTH INC 297748920400B4/CA
Jul 22, 2026CAI · Full0BACK AND FORTH INC 297748920400B4/CA
Jun 25, 2026CAIII · Driver-only0BACK AND FORTH INC 297748920400B4/CA
Mar 23, 2026CAII · Walk-around2BACK AND FORTH INC 297748920400B4/CA
Jan 22, 2026CAI · Full0BELL DISTRIBUTION 299748920400B4/CA
Jan 21, 2026CAIII · Driver-only0BACK AND FORTH INC 297748920400B4/CA
Jan 21, 2026CAI · Full2OOSBACK AND FORTH INC 297748920400B4/CA
Jan 20, 2026CAII · Walk-around3OOSBACK AND FORTH INC 297748920400B4/CA
Aug 25, 2025CAI · Full0BACK AND FORTH INC 297748920400B4/CA
Aug 21, 2025CAII · Walk-around3BACK AND FORTH INC 297748920400B4/CA
Aug 14, 2025CAI · Full4OOSBACK AND FORTH INC 297748920400B4/CA
Jul 24, 2025CAIII · Driver-only0BACK AND FORTH INC 2977489493975/CA
Jul 23, 2025CAIII · Driver-only0BACK AND FORTH INC 297748920400B4/CA
Jul 18, 2025CAIII · Driver-only0BACK AND FORTH INC 297748920400B4/CA
Jul 18, 2025CAI · Full5OOSBACK AND FORTH INC 297748920400B4/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BACK AND FORTH INC2977489Jul 18, 2025Aug 11, 202615CA
BELL DISTRIBUTION2997489Jan 22, 2026Jan 22, 20261NC
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.
20400B4CA1BACK AND FORTH INCJul 18, 2025Aug 11, 202614
20400B4CABELL DISTRIBUTIONJan 22, 2026Jan 22, 20261
493975CABACK AND FORTH INCJul 24, 2025Jul 24, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 17, 2026