Equipment unit · VIN-decoded · NHTSA vPIC

2023 Diamond T Trailers Mfg. Co. Diamond T Trailers Mfg. Co

5FWFP4020PR032671 · Trailer · TRAILER
Carriers run under1
34 mo
Inspections10
all-time
OOS inspections3
of 10
First seenSep 29, 2023
AR
Last seenJul 2, 2026
KS
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
5FWFP4020PR032671
Make
Diamond T Trailers Mfg. Co.
Model
Diamond T Trailers Mfg. Co
Model year
2023
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
5FW

Deterministic · VIN positions 1–3.

Vehicle descriptor section
FP402

Deterministic · VIN positions 4–8.

Check digit
0 · valid

Deterministic · position 9; calculated value 0.

Model year candidates
1993 or 2023

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

North American serial sequence
032671

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
DIAMOND T TRAILERS MFG. CO.

Prefix basis · 21 decoded VINs at 100.0% prefix purity.

Model
Diamond T Trailers Mfg. Co

Prefix basis · 21 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
2023

Observed directly for this VIN via NHTSA vPIC.

Observed make
DIAMOND T TRAILERS MFG. CO.

Observed directly for this VIN via NHTSA vPIC.

Observed model
Diamond T Trailers Mfg. Co

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 · Sep 29, 2023 – Jul 2, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 2, 2026KSI · Full0COWBOY LOGISTICS LLC 3720971DL7828/OK
Apr 16, 2026MOI · Full1OOSCOWBOY LOGISTICS LLC 3720971DL7828/OK
Jul 17, 2025ARIII · Driver-only1COWBOY LOGISTICS LLC 3720971DL7828/OK
Jun 18, 2025MOI · Full0COWBOY LOGISTICS LLC 3720971DL7828/OK
Feb 5, 2025GAI · Full6OOSCOWBOY LOGISTICS LLC 3720971DL7828/OK
Nov 19, 2024ARI · Full0COWBOY LOGISTICS LLC 3720971DL7826/OK
Aug 28, 2024GAI · Full0COWBOY LOGISTICS LLC 3720971AZ7180/OK
Apr 22, 2024OKI · Full0COWBOY LOGISTICS LLC 3720971AZ7182/OK
Jan 23, 2024KSI · Full3OOSCOWBOY LOGISTICS LLC 3720971AZ7180/OK
Sep 29, 2023ARI · Full2COWBOY LOGISTICS LLC 3720971AZ7180/OK
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
COWBOY LOGISTICS LLC3720971Sep 29, 2023Jul 2, 202610OK
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.
DL7828OK2COWBOY LOGISTICS LLCFeb 5, 2025Jul 2, 20265
DL7826OKCOWBOY LOGISTICS LLCNov 19, 2024Nov 19, 20241
AZ7180OKCOWBOY LOGISTICS LLCSep 29, 2023Aug 28, 20243
AZ7182OKCOWBOY LOGISTICS LLCApr 22, 2024Apr 22, 20241
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 16, 2026