Equipment unit · VIN-decoded · NHTSA vPIC

2016 Towmaster Inc.

4KNTT1622GL160321 · Trailer · TRAILER
Carriers run under2
1 mo
Inspections2
all-time
OOS inspections2
of 2
First seenMar 11, 2024
CA
Last seenApr 30, 2024
CA
Inspected under 2 different carriers in 1 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
4KNTT1622GL160321
Make
Towmaster Inc.
Model
Towmaster Inc.
Model year
2016
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.

Source · 49 CFR Part 565 ↗
Vehicle descriptor section
TT162

Deterministic · VIN positions 4–8.

Source · 49 CFR Part 565 ↗
Check digit
2 · valid

Deterministic · position 9; calculated value 2.

Source · 49 CFR Part 565 ↗
Model year candidates
1986 or 2016

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

Source · 49 CFR Part 565 ↗
North American serial sequence
160321

Deterministic · positions 12–17 for a North American WMI.

Source · 49 CFR Part 565 ↗

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Not established

No supported platform claim is established for this prefix

The resolver answered successfully but returned no row above the evidence floor. This does not mean the vehicle has no platform or that no data exists; it means this store cannot make the claim.

Not established

  • platform make
  • platform model
  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Mar 11, 2024 – Apr 30, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 30, 2024CAI · Full1OOSCENTRAL VALLEY ENGINEERING & ASPHALT INC 18602954UY2526/CA
Mar 11, 2024CAII · Walk-around1OOSINTERSTATE CONSTRUCTION INC 26574684U42526/CA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
CENTRAL VALLEY ENGINEERING & ASPHALT INC1860295Apr 30, 2024Apr 30, 20241CA
INTERSTATE CONSTRUCTION INC2657468Mar 11, 2024Mar 11, 20241CA
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.
4UY2526CA—CENTRAL VALLEY ENGINEERING & ASPHALT INCApr 30, 2024 → Apr 30, 20241
4U42526CA—INTERSTATE CONSTRUCTION INCMar 11, 2024 → Mar 11, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Sep 20, 2026