Equipment unit · VIN-decoded · NHTSA vPIC

2013 Polar Tank Trailer

1PMA34221D5010736 · Trailer · TRAILER
Carriers run under4
18 mo
Inspections7
all-time
OOS inspections5
of 7
First seenJun 30, 2023
TX
Last seenDec 2, 2024
US
Inspected under 4 different carriers in 18 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
1PMA34221D5010736
Make
Polar Tank Trailer
Model
Polar Tank Trailer
Model year
2013
Body class
Trailer
Vehicle type
TRAILER
GVWR
Not decoded
Decoded at
Jun 21, 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
A3422

Deterministic · VIN positions 4–8.

Check digit
1 · valid

Deterministic · position 9; calculated value 1.

Model year candidates
1983 or 2013

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

North American serial sequence
010736

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 · 201 decoded VINs at 100.0% prefix purity.

Model
Polar Tank Trailer

Prefix basis · 201 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
2013

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 30, 2023 – Dec 2, 2024

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 2, 2024USII · Walk-around4TRANSPORTES DE HIDROCARBUROS Y LIQUIDOS SA DE CV 3789632200C620/TX
Nov 25, 2024TXI · Full15OOSTRANSPORTES DE HIDROCARBUROS Y LIQUIDOS SA DE CV 3789632200C620/TX
Oct 28, 2024TXIII · Driver-only4OOSTRANSPORTES 100 SILVA SA DE CV 2937853200C620/TX
May 16, 2024TXI · Full4OOSROMA BRIDGE LOGISTICS INC 1342718200C620/TX
Jan 4, 2024TXII · Walk-around1TORO OIL HAULERS LLC 3928866200C620/TX
Jul 14, 2023TXII · Walk-around5OOSROMA BRIDGE LOGISTICS INC 1342718200C620/TX
Jun 30, 2023TXI · Full8OOSROMA BRIDGE LOGISTICS INC 1342718200C620/TX
03

Carriers this unit has run under

4 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
TRANSPORTES DE HIDROCARBUROS Y LIQUIDOS SA DE CV3789632Nov 25, 2024Dec 2, 20242NL
TRANSPORTES 100 SILVA SA DE CV2937853Oct 28, 2024Oct 28, 20241TA
ROMA BRIDGE LOGISTICS INC1342718Jun 30, 2023May 16, 20243TX
TORO OIL HAULERS LLC3928866Jan 4, 2024Jan 4, 20241TX
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.
200C620TXTRANSPORTES DE HIDROCARBUROS Y LIQUIDOS SA DE CVNov 25, 2024Dec 2, 20242
200C620TXTRANSPORTES 100 SILVA SA DE CVOct 28, 2024Oct 28, 20241
200C620TXROMA BRIDGE LOGISTICS INCJun 30, 2023May 16, 20243
200C620TXTORO OIL HAULERS LLCJan 4, 2024Jan 4, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026