Diamondback Express Inc is an active interstate carrier based in Rialto, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 19 | 0 | 0 |
| Tractors | 19 | 0 | 0 |
| Trailers | 44 | 0 | 0 |
| Total Power Units | 19 | ||
Distinct vehicles · 24 mo
vs 19 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 | 67% | 93% | Around peer average |
| HOS Compliance | 81% | 93% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 75% | 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 | 6 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2025 | 0 | 1 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 8 | 4 | 4 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jan 13, 2026 | CA | TRUCK TRACTOR | 1 | 2 |
| Nov 17, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Jul 30, 2025 | AZ | TRUCK TRACTOR | 1 | 0 |
| May 13, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.36 | — |
| HOS Compliance | 1 | 0.35 | — |
| Vehicle Maintenance | 5 | 4.84 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
Where they run
Inspected in 3 states. Top state CA accounts for 75% of activity. Activity outside home state (CA): 25%.
| Hours-of-Service Compliance | 1 | 0 | 0 |
| Unsafe Driving | 1 | 1 | 0 |
| Mar 25, 2025 |
| CA |
| TRUCK TRACTOR |
| 2 |
| 0 |
| Jan 17, 2025 | CA | TRUCK TRACTOR | 1 | 2 |
| Jan 7, 2025 | NV | TRUCK TRACTOR | 4 | 2 |
| Aug 14, 2024 | CA | TRUCK TRACTOR | 1 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jan 13, 2026 | 393100BC | Cargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV | Vehicle Maintenance | Yes |
| Jul 30, 2025 | 3939ALIL | Lighting - Identification lamp(s) inoperative | Vehicle Maintenance | — |
| Mar 25, 2025 | 393209ESPSLA | Steering - Power steering leaking anywhere. | Vehicle Maintenance | — |
| Mar 25, 2025 | 39520BELDNV | HOS (ELD) - The ELD display screen is not viewable by an authorized official without entering the CMV | Hours-of-Service Compliance | — |
| Jan 17, 2025 | 393110B2IC | Cargo - Insufficient tiedowns (w/o headerboard/blocking) for article(s) of cargo 5 feet or less and more than 1100 lbs | Vehicle Maintenance | Yes |
| Jan 7, 2025 | 393110B2IC | Cargo - Insufficient tiedowns (w/o headerboard/blocking) for article(s) of cargo 5 feet or less and more than 1100 lbs | Vehicle Maintenance | Yes |
| Jan 7, 2025 | 3939ALSLI | Lighting - Stop lamps - Any inoperative. | Vehicle Maintenance | — |
| Jan 7, 2025 | 3939ALSLIWR | Lighting - Stop lamps - Both inoperative when required to be on | Vehicle Maintenance | Yes |
| Jan 7, 2025 | 3939ALSML | Lighting - Side marker lamp(s) inoperative | Vehicle Maintenance | — |
| Aug 14, 2024 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |