Df Trucking And Maintenance Llc is an active interstate carrier based in Aurora, CO.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 8 | 0 | 0 |
| Tractors | 8 | 0 | 0 |
| Trailers | 8 | 0 | 0 |
| Total Power Units | 8 | ||
Distinct vehicles · 24 mo
vs 8 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 91% | 96% | Worse than most peers |
| HOS Compliance | 96% | 97% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 88% | 93% | 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 | 3 | — | 6.67% |
| Vehicle | 0 | 7 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Jan 1, 2026 | 0 | 0 | 1 | 1 |
| Apr 1, 2025 | 0 | 0 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 41 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Sep 15, 2026 | CO | TRUCK TRACTOR | 0 | 0 |
| Aug 31, 2026 | SD | TRUCK TRACTOR | 0 | 0 |
| Aug 25, 2026 | CA | TRUCK TRACTOR | 5 | 2 |
| Aug 25, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Aug 18, 2026 |
Carriers that share an officer, phone, or email with this DOT.
Shared officer · 1
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 4 | 2.32 | — |
| HOS Compliance | 8 | 0.83 | — |
| Vehicle Maintenance | 13 | 7.21 | — |
| Driver Fitness | 1 | 0.25 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 20 states. Top state CO accounts for 14% of activity. Activity outside home state (CO): 86%.
+15 other states with fewer inspections
| 9 |
| Hours-of-Service Compliance | 12 | 6 | 3 |
| Unsafe Driving | 4 | 0 | 0 |
| Driver Fitness | 1 | 0 | 1 |
| MO |
| TRUCK TRACTOR |
| 1 |
| 0 |
| Aug 7, 2026 | CO | TRUCK TRACTOR | 1 | 0 |
| Aug 4, 2026 | CA | TRUCK TRACTOR | 1 | 1 |
| Aug 3, 2026 | KY | TRUCK TRACTOR | 2 | 0 |
| Jul 14, 2026 | MN | TRUCK TRACTOR | 5 | 0 |
| Jun 27, 2026 | MO | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Aug 25, 2026 | 3927AD | Driver - Failed to conduct pre-trip inspection or make use of required parts and accessories | Vehicle Maintenance | — |
| Aug 25, 2026 | 39345DBHTBS | Air Brake - Hose/tubing with a bulge/swelling when air pressure is applied | Vehicle Maintenance | Yes |
| Aug 25, 2026 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Aug 25, 2026 | 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 | — |
| Aug 25, 2026 | 3963A1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Vehicle Maintenance | Yes |
| Aug 18, 2026 | 3939ALHLI | Lighting - Headlamp(s) - Any inoperative | Vehicle Maintenance | — |
| Aug 7, 2026 | 3958EHOSPD | HOS (Property) - No driver may make a false report in connection with a duty status. Explain | Hours-of-Service Compliance | — |
| Aug 4, 2026 | 3958EHOSPDELDT | HOS (Property) - Tampering with an ELD so that the device does not accurately record and retain required data. Explain: | Hours-of-Service Compliance | Yes |
| Aug 3, 2026 | 3939ALRLI | Lighting - Tail lamp - Any inoperative | Vehicle Maintenance | — |
| Aug 3, 2026 | 3939ALSLI | Lighting - Stop lamps - Any inoperative. | Vehicle Maintenance | — |