Equipment unit · VIN-decoded · NHTSA vPIC

2021 Peterbilt 337

2NP2HM6X7MM744600 · Truck · INCOMPLETE VEHICLE
Carriers run under2
6 mo
Inspections4
all-time
OOS inspections0
of 4
First seenDec 19, 2024
IA
Last seenJun 24, 2025
IA
Inspected under 2 different carriers in 6 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
2NP2HM6X7MM744600
Make
Peterbilt
Model
337
Model year
2021
Body class
Truck
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 6: 19,501 - 26,000 lb (8,845 - 11,794 kg)
Decoded at
Jul 12, 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
2HM6X

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
744600

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.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

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
337

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 6: 19,501 - 26,000 lb (8,845 - 11,794 kg)

Observed directly for this VIN via NHTSA vPIC.

Not established

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Dec 19, 2024 – Jun 24, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 24, 2025IAI · Full3QUAD-CITY PETERBILT INC 472373JJU756/IA
Apr 25, 2025IAIII · Driver-only0CITY LAUNDERING COMPANY 2996241JJU756/IA
Feb 4, 2025IAIII · Driver-only0CITY LAUNDERING COMPANY 2996241JJU756/IA
Dec 19, 2024IAII · Walk-around0CITY LAUNDERING COMPANY 2996241JJU756/IA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
QUAD-CITY PETERBILT INC472373Jun 24, 2025Jun 24, 20251IA
CITY LAUNDERING COMPANY2996241Dec 19, 2024Apr 25, 20253IA
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.
JJU756IAQUAD-CITY PETERBILT INCJun 24, 2025Jun 24, 20251
JJU756IACITY LAUNDERING COMPANYDec 19, 2024Apr 25, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 12, 2026