Equipment unit · VIN-decoded · NHTSA vPIC

2016 Isuzu NPR/NPR-HD

54DC4W1C1GS807974 · Incomplete - Chassis Cab (Single Cab) · INCOMPLETE VEHICLE
Carriers run under2
29 mo
Inspections5
all-time
OOS inspections2
of 5
First seenNov 18, 2023
CA
Last seenApr 22, 2026
CA
Inspected under 2 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
54DC4W1C1GS807974
Make
Isuzu
Model
NPR/NPR-HD
Model year
2016
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
Jul 5, 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
C4W1C

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1986 or 2016

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

North American serial sequence
807974

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 · 124 decoded VINs at 96.0% prefix purity.

Model
NPR/NPR-HD

Prefix basis · 124 decoded VINs at 96.0% 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
2016

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 18, 2023 – Apr 22, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 22, 2026CAII · Walk-around4VULCAN FINAL MILE LLC 411123030459D3/CA
Jun 26, 2025CAII · Walk-around4RIVAS TRUCKING INSTALLATIONS INC 357131730459D3/CA
May 10, 2025CAII · Walk-around4OOSRIVAS TRUCKING INSTALLATIONS INC 357131730459D3/CA
Mar 28, 2025CAI · Full8OOSRIVAS TRUCKING INSTALLATIONS INC 357131730459D3/CA
Nov 18, 2023CAII · Walk-around1RIVAS TRUCKING INSTALLATIONS INC 357131730459D3/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
VULCAN FINAL MILE LLC4111230Apr 22, 2026Apr 22, 20261CA
RIVAS TRUCKING INSTALLATIONS INC3571317Nov 18, 2023Jun 26, 20254CA
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.
30459D3CAVULCAN FINAL MILE LLCApr 22, 2026Apr 22, 20261
30459D3CARIVAS TRUCKING INSTALLATIONS INCNov 18, 2023Jun 26, 20254
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 5, 2026