Dark Horse Transportation Llc is an active interstate carrier based in Prosser, WA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 11 | 0 | 0 |
| Tractors | 11 | 0 | 0 |
| Trailers | 18 | 0 | 0 |
| Total Power Units | 11 | ||
Distinct vehicles · 24 mo
vs 11 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 63% | 88% | Around peer average |
| HOS Compliance | 95% | 97% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 91% | 96% | 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 | 3 | — | 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 | 30 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 29, 2026 | WA | TRUCK TRACTOR | 0 | 0 |
| Dec 16, 2025 | WA | TRUCK TRACTOR | 9 | 2 |
| Nov 5, 2025 | OR | TRUCK TRACTOR | 1 | 0 |
| Oct 20, 2025 | WA | TRUCK TRACTOR | 2 | 0 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.33 | — |
| HOS Compliance | 1 | 0.80 | — |
| Vehicle Maintenance | 7 | 14.66 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state WA accounts for 60% of activity. Activity outside home state (WA): 40%.
| 3 |
| 3 |
| Hours-of-Service Compliance | 1 | 1 | 0 |
| Unsafe Driving | 1 | 0 | 0 |
| Aug 19, 2025 |
| WA |
| TRUCK TRACTOR |
| 1 |
| 0 |
| Jun 18, 2025 | WA | TRUCK TRACTOR | 9 | 1 |
| Apr 30, 2025 | WA | TRUCK TRACTOR | 2 | 0 |
| Mar 5, 2025 | OR | TRUCK TRACTOR | 0 | 0 |
| Jan 23, 2025 | WA | TRUCK TRACTOR | 1 | 0 |
| Dec 27, 2024 | WA | TRUCK TRACTOR | 5 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Dec 16, 2025 | 39343DBSB | Brake - More than 25% of the spring brakes are inoperative | Vehicle Maintenance | Yes |
| Dec 16, 2025 | 39345DB | Air Brake - Audible air leak at a proper connection | Vehicle Maintenance | — |
| Dec 16, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Dec 16, 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 | — |
| Dec 16, 2025 | 39355C1B | Air Brake - Truck-tractor manufactured on or after March 1 1997 not equipped with an ABS system. System does not function or indicates a fault. | Vehicle Maintenance | — |
| Dec 16, 2025 | 39355EB | Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1 1998 | Vehicle Maintenance | — |
| Dec 16, 2025 | 39360C | Windshield - Damaged or Discolored | Vehicle Maintenance | — |
| Dec 16, 2025 | 3963A1ALATR | Air Brake - Any leak from an air tank reservoir. | Vehicle Maintenance | — |
| Dec 16, 2025 | 3963A1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Vehicle Maintenance | Yes |
| Nov 5, 2025 | 3958EHOSPD | HOS (Property) - No driver may make a false report in connection with a duty status. Explain | Hours-of-Service Compliance | — |