DBA: B J Watson & Co
Ronald Ray Deffenbaugh is an active interstate carrier based in Anchorage, AK.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 4 | 0 | 0 |
| Tractors | 4 | 0 | 0 |
| Trailers | 15 | 0 | 0 |
| Total Power Units | 4 | ||
Distinct vehicles · 24 mo
vs 4 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category | Insp w/ Viol |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 0% | 0% | Better than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 84% | 91% | Worse than most peers |
Lower percentile = lower SMS measure = stronger safety record. Computed nightly across active carriers in the same state and fleet-size band.
| Type | Inspections | OOS | OOS % | Nat'l Avg |
|---|---|---|---|---|
| Driver | 0 | 0 | — | 6.67% |
| Vehicle | 0 | 2 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 6 | 1 | 2 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Feb 3, 2026 | AK | TRUCK TRACTOR | 0 | 0 |
| Jan 12, 2026 | AK | TRUCK TRACTOR | 0 | 0 |
| Dec 18, 2025 | AK | TRUCK TRACTOR | 0 | 0 |
| Dec 3, 2025 | AK | TRUCK TRACTOR | 0 | 0 |
| Aug 5, 2025 | AK | TRUCK TRACTOR |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 0 | 0.00 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 3 | 4.00 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 1 state. Top state AK accounts for 100% of activity. Activity outside home state (AK): 0%.
| 0 |
| 0 |
| Jul 30, 2025 | AK | TRUCK TRACTOR | 4 | 1 |
| Jul 1, 2025 | AK | TRUCK TRACTOR | 0 | 0 |
| Apr 29, 2025 | AK | TRUCK TRACTOR | 0 | 0 |
| Apr 16, 2025 | AK | TRUCK TRACTOR | 0 | 0 |
| Mar 20, 2025 | AK | TRUCK TRACTOR | 1 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jul 30, 2025 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Jul 30, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Jul 30, 2025 | 39353BB | Air Brake - CMV manufactured on or after 10/20/1994 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Jul 30, 2025 | 3963A1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Vehicle Maintenance | Yes |
| Mar 20, 2025 | 3939ALSLIWR | Lighting - Stop lamps - Both inoperative when required to be on | Vehicle Maintenance | Yes |
| Aug 6, 2024 | 39617C | Operating a CMV without proof of a periodic inspection | Vehicle Maintenance | — |