Equipment unit · VIN-decoded · NHTSA vPIC

2018 Monroe Towmaster

4KNBF2326JL162027 · Trailer · TRAILER
Carriers run under2
9 mo
Inspections2
all-time
OOS inspections1
of 2
First seenJun 13, 2024
MD
Last seenMar 11, 2025
MD
Inspected under 2 different carriers in 9 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
4KNBF2326JL162027
Make
Monroe Towmaster
Model
Monroe Towmaster
Model year
2018
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Sep 20, 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
4KN

Deterministic · VIN positions 1–3.

Vehicle descriptor section
BF232

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1988 or 2018

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

North American serial sequence
162027

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
MONROE TOWMASTER

Prefix basis · 10 decoded VINs at 100.0% prefix purity.

Model
Monroe Towmaster

Prefix basis · 10 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
2018

Observed directly for this VIN via NHTSA vPIC.

Observed make
MONROE TOWMASTER

Observed directly for this VIN via NHTSA vPIC.

Observed model
Monroe Towmaster

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 · Jun 13, 2024 – Mar 11, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Mar 11, 2025MDII · Walk-around5OOSLEADING TECHNOLOGY SOLUTIONS INC 1757102225060X/MD
Jun 13, 2024MDII · Walk-around0LORENZ LAWN AND LANDSCAPE INC 1423670225060X/MD
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
LEADING TECHNOLOGY SOLUTIONS INC1757102Mar 11, 2025Mar 11, 20251MD
LORENZ LAWN AND LANDSCAPE INC1423670Jun 13, 2024Jun 13, 20241MD
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.
225060XMDLEADING TECHNOLOGY SOLUTIONS INCMar 11, 2025Mar 11, 20251
225060XMDLORENZ LAWN AND LANDSCAPE INCJun 13, 2024Jun 13, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 20, 2026