License Plate FL DG14AZ (Florida) — Mountain Line Inc
USDOT 3558740 · 2017 Freightliner Cascadia
Recorded vehicle, plate and carrier history
These are dated observations in the records available to us. They do not establish ownership, a sale, a transfer date, or continuous use between observations. The latest observation may not describe today’s vehicle or carrier.
| Observed dates | VIN | Plate | Reported carrier |
|---|---|---|---|
| 2026-09-26 | 3AKJHHDR8HSJC5187 | FL DG14AZ | MOUNTAIN LINE INC · USDOT 3558740 |
Evidence: FMCSA inspection observations and retained snapshots of our vehicle records. Coverage is incomplete; an unreported change cannot be dated from these records.
Most recently recorded carrier for this plate
Mountain Line Inc Active
- USDOT
- 3558740
- MC
- 1194478
- Status
- Active
- Type
- Motor Carrier
- Based in
- Rock Springs, WY
- Power units
- 90
- Drivers
- 80
- Inspections (24 mo)
- 180
- Crashes (24 mo)
- 4
- Vehicle OOS rate
- 25.8%
Carrier recorded at the latest inspection in the available records (2026-09-26). This does not establish current ownership or confirm that the carrier still operates this vehicle.
View full carrier profile →Authority, insurance & bonds, safety scores, crash history, inspections and the full fleet list.
What this means
License plate FL-DG14AZ appears in FMCSA inspection records 11 times. Recorded on one vehicle: VIN 3AKJHHDR8HSJC5187 (2017 Freightliner Cascadia). Most recent operating carrier: Mountain Line Inc (USDOT 3558740). Vehicle make on file: Freightliner (FREIGHTLIN) (TRUCK TRACTOR). 4 out-of-service results across all inspections.
About this plate
Commercial license plate FL-DG14AZ (Florida) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2025-01-30 to 2026-09-26. The latest inspection was in South Dakota, a Level III — driver and paperwork only. That is outside the plate's issuing jurisdiction (Florida).
Vehicle on this plate
This plate is associated with a single vehicle, a 2017 Freightliner Cascadia — VIN 3AKJHHDR8HSJC5187 (truck tractor).
Combined inspection & out-of-service record
Across all vehicles on this plate there are 11 inspections on FMCSA record. The records show 4 out-of-service violations across 11 inspections. OOS breakdown: 3 vehicle, 1 driver. The leading violation category is Vehicle Maintenance (11). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operators
Operated by Mountain Line Inc (USDOT 3558740) in every inspection on record.
Vehicle detail (inspections per unit)
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Vehicle Maintenance | 11 | ⚠ High |
| Unsafe Driving | 0 | ✓ Clean |
| Driver Fitness | 0 | ✓ Clean |
| Fatigued Driving (HOS) | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |