Equipment unit · VIN-decoded · NHTSA vPIC

2024 Polar Tank Trailer

1PMKR4224R1121069 · Trailer · TRAILER
Carriers run under3
20 mo
Inspections4
all-time
OOS inspections1
of 4
First seenJun 24, 2024
CO
Last seenFeb 17, 2026
CO
Inspected under 3 different carriers in 20 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
1PMKR4224R1121069
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2024
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jul 7, 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
1PM

Deterministic · VIN positions 1–3.

Vehicle descriptor section
KR422

Deterministic · VIN positions 4–8.

Check digit
4 · valid

Deterministic · position 9; calculated value 4.

Model year candidates
1994 or 2024

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

North American serial sequence
121069

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
POLAR TANK TRAILER

Prefix basis · 73 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 73 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
2024

Observed directly for this VIN via NHTSA vPIC.

Observed make
POLAR TANK TRAILER

Observed directly for this VIN via NHTSA vPIC.

Observed model
Polar Tank Trailer

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 24, 2024 – Feb 17, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Feb 17, 2026COII · Walk-around1FRIESEN BROTHERS TRUCKING LLC 3323686TS7558/IA
Mar 25, 2025KSII · Walk-around3FULTON TRUCKING LLC 1040967TS7558/IN
Jan 14, 2025KSIII · Driver-only0FULTON TRUCKING LLC 1040967TS7558/ID
Jun 24, 2024COIII · Driver-only3OOSVICTOR DIAZ DELEON 2600067TS7558/ID
03

Carriers this unit has run under

3 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
FRIESEN BROTHERS TRUCKING LLC3323686Feb 17, 2026Feb 17, 20261CO
FULTON TRUCKING LLC1040967Jan 14, 2025Mar 25, 20252CO
VICTOR DIAZ DELEON2600067Jun 24, 2024Jun 24, 20241CO
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.
TS7558IAFRIESEN BROTHERS TRUCKING LLCFeb 17, 2026Feb 17, 20261
TS7558INFULTON TRUCKING LLCMar 25, 2025Mar 25, 20251
TS7558IDFULTON TRUCKING LLCJan 14, 2025Jan 14, 20251
TS7558IDVICTOR DIAZ DELEONJun 24, 2024Jun 24, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026