Equipment unit · VIN-decoded · NHTSA vPIC

2019 Isuzu NPR/NPR-HD

54DC4J1B8KS810244 · Incomplete - Chassis Cab (Single Cab) · INCOMPLETE VEHICLE
Carriers run under1
21 mo
Inspections6
all-time
OOS inspections0
of 6
First seenNov 30, 2023
MD
Last seenAug 18, 2025
MD
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
54DC4J1B8KS810244
Make
Isuzu
Model
NPR/NPR-HD
Model year
2019
Body class
Incomplete - Chassis Cab (Single Cab)
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 4: 14,001 - 16,000 lb (6,350 - 7,258 kg)
Decoded at
Jun 28, 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
54D

Deterministic · VIN positions 1–3.

Vehicle descriptor section
C4J1B

Deterministic · VIN positions 4–8.

Check digit
8 · valid

Deterministic · position 9; calculated value 8.

Model year candidates
1989 or 2019

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

North American serial sequence
810244

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
ISUZU

Prefix basis · 30 decoded VINs at 93.3% prefix purity.

Model
NPR/NPR-HD

Prefix basis · 30 decoded VINs at 93.3% 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
2019

Observed directly for this VIN via NHTSA vPIC.

Observed make
ISUZU

Observed directly for this VIN via NHTSA vPIC.

Observed model
NPR/NPR-HD

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Incomplete - Chassis Cab (Single Cab)

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 4: 14,001 - 16,000 lb (6,350 - 7,258 kg)

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 · Nov 30, 2023 – Aug 18, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Aug 18, 2025MDIII · Driver-only0PROFESSIONAL MAINTENANCE SYSTEMS INC 34377246EC4009/MD
Jul 9, 2025MDI · Full0PROFESSIONAL MAINTENANCE SYSTEMS INC 34377246EC4009/MD
Jun 6, 2025DEIII · Driver-only0PROFESSIONAL MAINTENANCE SYSTEMS INC 34377246EC4009/MD
May 9, 2025USI · Full0PROFESSIONAL MAINTENANCE SYSTEMS INC 34377246EC4009/MD
Apr 11, 2024MDIII · Driver-only0PROFESSIONAL MAINTENANCE SYSTEMS INC 34377246EC4009/MD
Nov 30, 2023MDI · Full0PROFESSIONAL MAINTENANCE SYSTEMS INC 34377246EC4009/MD
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
PROFESSIONAL MAINTENANCE SYSTEMS INC3437724Nov 30, 2023Aug 18, 20256MD
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.
6EC4009MDPROFESSIONAL MAINTENANCE SYSTEMS INCNov 30, 2023Aug 18, 20256
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 28, 2026