Equipment unit · VIN-decoded · NHTSA vPIC

1999 Interstate Trailers, Inc.

1JKTDL407XA002252 · Trailer · TRAILER
Carriers run under1
13 mo
Inspections3
all-time
OOS inspections3
of 3
First seenNov 18, 2024
AZ
Last seenDec 23, 2025
AZ
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1JKTDL407XA002252
Make
Interstate Trailers, Inc.
Model
Interstate Trailers, Inc.
Model year
1999
Body class
Trailer
Vehicle type
TRAILER
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jul 24, 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
1JK

Deterministic · VIN positions 1–3.

Vehicle descriptor section
TDL40

Deterministic · VIN positions 4–8.

Check digit
7 · valid

Deterministic · position 9; calculated value 7.

Model year candidates
1999 or 2029

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

North American serial sequence
002252

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
INTERSTATE TRAILERS, INC.

Prefix basis · 4 decoded VINs at 100.0% prefix purity.

Model
Interstate Trailers, Inc.

Prefix basis · 4 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
1999

Observed directly for this VIN via NHTSA vPIC.

Observed make
INTERSTATE TRAILERS, INC.

Observed directly for this VIN via NHTSA vPIC.

Observed model
Interstate Trailers, Inc.

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
Class 8: 33,001 lb and above (14,969 kg and above)

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 · Nov 18, 2024 – Dec 23, 2025

DateStateLevelViol.OOSCarrier (DOT)Plate
Dec 23, 2025AZII · Walk-around10OOSBROCK EXCAVATION 1463923RMA5TF/AZ
Aug 22, 2025AZI · Full17OOSBROCK EXCAVATION 1463923RMA5TF/AZ
Nov 18, 2024AZII · Walk-around13OOSBROCK EXCAVATION 1463923RMA5TF/AZ
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
BROCK EXCAVATION1463923Nov 18, 2024Dec 23, 20253AZ
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.
RMA5TFAZBROCK EXCAVATIONNov 18, 2024Dec 23, 20253
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 24, 2026