Equipment unit · VIN-decoded · NHTSA vPIC

1999 Fontaine Trailer

1R1F04827XK990715 · TRAILER
Carriers run under2
33 mo
Inspections4
all-time
OOS inspections1
of 4
First seenAug 11, 2023
UT
Last seenMay 18, 2026
OR
Inspected under 2 different carriers in 33 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
1R1F04827XK990715
Make
Fontaine Trailer
Model
Not decoded
Model year
1999
Body class
Not decoded
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
1R1

Deterministic · VIN positions 1–3.

Vehicle descriptor section
F0482

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
990715

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
FONTAINE TRAILER

Prefix basis · 93 decoded VINs at 100.0% prefix purity.

Model
Fontaine Trailer

Prefix basis · 93 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
FONTAINE TRAILER

Observed directly for this VIN via NHTSA vPIC.

Observed model
Not established

Observed directly for this VIN via NHTSA vPIC.

Observed body class
Not established

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 · Aug 11, 2023 – May 18, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
May 18, 2026ORII · Walk-around8OOSMONARCH TRANSPORT LLC 397394668398AJ/WA
Apr 17, 2024UTIII · Driver-only0GR EXPRESS LLC 391774568398AJ/WA
Apr 10, 2024COI · Full3GR EXPRESS LLC 391774568398AJ/WA
Aug 11, 2023UTI · Full6GR EXPRESS LLC 391774568389AJ/WA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
MONARCH TRANSPORT LLC3973946May 18, 2026May 18, 20261OR
GR EXPRESS LLC3917745Aug 11, 2023Apr 17, 20243WA
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.
68398AJWAMONARCH TRANSPORT LLCMay 18, 2026May 18, 20261
68398AJWAGR EXPRESS LLCApr 10, 2024Apr 17, 20242
68389AJWAGR EXPRESS LLCAug 11, 2023Aug 11, 20231
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jul 7, 2026