Equipment unit · VIN-decoded · NHTSA vPIC

2019 Monroe Towmaster

4KNBF2126KL163134 · Trailer · TRAILER
Carriers run under2
33 mo
Inspections13
all-time
OOS inspections2
of 13
First seenOct 25, 2023
KY
Last seenJul 15, 2026
KY
Inspected under 2 different carriers in 33 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
4KNBF2126KL163134
Make
Monroe Towmaster
Model
Monroe Towmaster
Model year
2019
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 16, 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
BF212

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

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
163134

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 · 5 decoded VINs at 100.0% prefix purity.

Model
Monroe Towmaster

Prefix basis · 5 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
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 · Oct 25, 2023 – Jul 15, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 15, 2026KYIII · Driver-only0RICHARDSON'S EXCAVATING LLC 3242169981109/KY
May 8, 2026KYI · Full0RICHARDSON'S EXCAVATING LLC 3242169981109/KY
Mar 30, 2026KYI · Full0RICHARDSON'S EXCAVATING LLC 3242169981109/KY
Mar 2, 2026KYI · Full1RICHARDSON'S EXCAVATING LLC 3242169981109/KY
Jul 24, 2025KYI · Full0RICHARDSON'S EXCAVATING LLC 3242169981109/KY
Dec 5, 2024KYI · Full0ELITE CONSTRUCTION OF OCALA LLC 981104981109/KY
Oct 31, 2024KYI · Full0RICHARDSON'S EXCAVATING LLC 3242169981109/KY
Oct 7, 2024KYI · Full1RICHARDSON'S EXCAVATING LLC 3242169981109/KY
Jul 3, 2024KYI · Full2OOSRICHARDSON'S EXCAVATING LLC 3242169981109/KY
Mar 5, 2024KYII · Walk-around2OOSRICHARDSON'S EXCAVATING LLC 3242169981109/KY
Dec 13, 2023KYI · Full0RICHARDSON'S EXCAVATING LLC 3242169981109/KY
Nov 2, 2023KYI · Full0RICHARDSON'S EXCAVATING LLC 3242169981109/KY
Oct 25, 2023KYII · Walk-around0RICHARDSON'S EXCAVATING LLC 3242169981109/KY
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
RICHARDSON'S EXCAVATING LLC3242169Oct 25, 2023Jul 15, 202612KY
ELITE CONSTRUCTION OF OCALA LLC981104Dec 5, 2024Dec 5, 20241FL
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.
981109KY2RICHARDSON'S EXCAVATING LLCOct 25, 2023Jul 15, 202612
981109KYELITE CONSTRUCTION OF OCALA LLCDec 5, 2024Dec 5, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026