License Plate CO 617XAM (Colorado) — Grizzly Adams Transportation Llc
USDOT 4539121 · 1999 Peterbilt 379
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 |
|---|---|---|---|
| 2026-07-26 | 1XP5DB9X0XN459403 | CO 617XAM | GRIZZLY ADAMS TRANSPORTATION LLC · USDOT 4539121 |
| 2025-08-14 | 1XP5DB9X0XN459403 | CO 617XAM | GRIZZLY ADAMS TRANSPORT LLC · USDOT 543852 |
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
Grizzly Adams Transportation Llc Active
- USDOT
- 4539121
- MC
- 1801008
- Status
- Active
- Type
- Motor Carrier
- Based in
- Colorado Springs, CO
- Power units
- 1
- Drivers
- 1
- Inspections (24 mo)
- 1
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 0%
Carrier recorded at the latest inspection in the available records (2026-07-26). 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.This plate has also been operated by 1 other carrier (listed below).
What this means
License plate CO-617XAM appears in FMCSA inspection records 3 times. Recorded on one vehicle: VIN 1XP5DB9X0XN459403 (1999 Peterbilt 379). Operated by 2 different carriers (DOT numbers) over its inspection history. Most recent operating carrier: Grizzly Adams Transportation Llc (USDOT 4539121). Vehicle make on file: Peterbilt (TRUCK TRACTOR). 1 out-of-service result across all inspections.
About this plate
Commercial license plate CO-617XAM (Colorado) appears in FMCSA roadside inspection records tied to one commercial vehicle. Inspection activity under this plate runs from 2024-12-23 to 2026-07-26. The latest inspection was in Colorado, a Level III — driver and paperwork only.
Vehicle on this plate
This plate is associated with a single vehicle, a 1999 Peterbilt 379 — VIN 1XP5DB9X0XN459403 (truck tractor).
Combined inspection & out-of-service record
Across all vehicles on this plate there are 3 inspections on FMCSA record. The records show 1 out-of-service violation across 3 inspections. OOS breakdown: 1 vehicle. The leading violation category is Vehicle Maintenance (6), then Unsafe Driving (2). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operators
2 carriers have operated vehicles under this plate (most recent first): Grizzly Adams Transportation Llc (USDOT 4539121) on 2026-07-26; Grizzly Adams Transport Llc (USDOT 543852) from 2024-12-23 to 2025-08-14.
Vehicle detail (inspections per unit)
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Vehicle Maintenance | 6 | ⚠ High |
| Unsafe Driving | 2 | ! Moderate |
| Driver Fitness | 0 | ✓ Clean |
| Fatigued Driving (HOS) | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |