Equipment unit · VIN-decoded · NHTSA vPIC

2021 Ford F-550

1FD0W5GT6MED98251 · Incomplete - Chassis Cab (Double Cab) · INCOMPLETE VEHICLE
Carriers run under1
21 mo
Inspections7
all-time
OOS inspections7
of 7
First seenSep 3, 2024
MD
Last seenJun 8, 2026
MD
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1FD0W5GT6MED98251
Make
Ford
Model
F-550
Model year
2021
Body class
Incomplete - Chassis Cab (Double Cab)
Vehicle type
INCOMPLETE VEHICLE
GVWR
Class 5: 16,001 - 19,500 lb (7,258 - 8,845 kg)
Decoded at
Aug 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
1FD

Deterministic · VIN positions 1–3.

Vehicle descriptor section
0W5GT

Deterministic · VIN positions 4–8.

Check digit
6 · valid

Deterministic · position 9; calculated value 6.

Model year candidates
1991 or 2021

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

North American serial sequence
D98251

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
FORD

Prefix basis · 326 decoded VINs at 100.0% prefix purity.

Model
F-550

Prefix basis · 326 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
2021

Observed directly for this VIN via NHTSA vPIC.

Observed make
FORD

Observed directly for this VIN via NHTSA vPIC.

Observed model
F-550

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Incomplete - Chassis Cab (Double Cab)

Observed directly for this VIN via NHTSA vPIC.

Observed vehicle type
INCOMPLETE VEHICLE

Observed directly for this VIN via NHTSA vPIC.

GVWR
Class 5: 16,001 - 19,500 lb (7,258 - 8,845 kg)

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 3, 2024 – Jun 8, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jun 8, 2026MDIII · Driver-only1OOSI-TREE EXPERTS CO 37823335FH0963/MD
May 18, 2026MDI · Full5OOSI-TREE EXPERTS CO 37823335FH0963/MD
Apr 10, 2026MDII · Walk-around10OOSI-TREE EXPERTS CO 37823335FH0963/MD
Jul 14, 2025MDII · Walk-around6OOSI-TREE EXPERTS CO 37823335FH0963/MD
Apr 29, 2025MDII · Walk-around4OOSI-TREE EXPERTS CO 37823335FH0963/MD
Sep 24, 2024MDII · Walk-around3OOSI-TREE EXPERTS CO 37823335FH0963/MD
Sep 3, 2024MDII · Walk-around3OOSI-TREE EXPERTS CO 37823335FH0963/MD
03

Carriers this unit has run under

1 distinct carrier · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
I-TREE EXPERTS CO3782333Sep 3, 2024Jun 8, 20267MD
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.
5FH0963MD1I-TREE EXPERTS COSep 3, 2024Jun 8, 20267
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Aug 16, 2026