Equipment unit · VIN-decoded · NHTSA vPIC

2019 Norstar Trailers

50HFG4023K1034654 · Trailer · TRAILER
Carriers run under2
15 mo
Inspections4
all-time
OOS inspections2
of 4
First seenSep 17, 2024
TX
Last seenDec 10, 2025
IA
Inspected under 2 different carriers in 15 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
50HFG4023K1034654
Make
Norstar Trailers
Model
Norstar Trailers
Model year
2019
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 15, 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
50H

Deterministic · VIN positions 1–3.

Vehicle descriptor section
FG402

Deterministic · VIN positions 4–8.

Check digit
3 · valid

Deterministic · position 9; calculated value 3.

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
034654

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
NORSTAR TRAILERS

Prefix basis · 87 decoded VINs at 100.0% prefix purity.

Model
Norstar Trailers

Prefix basis · 87 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
2019

Observed directly for this VIN via NHTSA vPIC.

Observed make
NORSTAR TRAILERS

Observed directly for this VIN via NHTSA vPIC.

Observed model
Norstar Trailers

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Trailer

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
TRAILER

Observed directly for this VIN via NHTSA vPIC.

GVWR
Not established

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 · Sep 17, 2024 – Dec 10, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 10, 2025IAII · Walk-around22OOSB ROK TRANSPORTATION LLC 2517720170311A/MS
Jul 8, 2025ALI · Full6OOSRJ WATTS TRANSPORTATION LLC 4186875157283A/MS
Jun 16, 2025MSI · Full0RJ WATTS TRANSPORTATION LLC 4186875157283A/MS
Sep 17, 2024TXII · Walk-around0RJ WATTS TRANSPORTATION LLC 4186875157283A/MS
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
B ROK TRANSPORTATION LLC2517720Dec 10, 2025Dec 10, 20251MS
RJ WATTS TRANSPORTATION LLC4186875Sep 17, 2024Jul 8, 20253MS
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.
170311AMSB ROK TRANSPORTATION LLCDec 10, 2025Dec 10, 20251
157283AMSRJ WATTS TRANSPORTATION LLCSep 17, 2024Jul 8, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 15, 2026