Diamond Career Llc is an active interstate carrier based in Runcho Cucamonga, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 2 | 0 | 0 |
| Tractors | 2 | 0 | 0 |
| Total Power Units | 2 | ||
Distinct vehicles · 24 mo
vs 2 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 85% | 93% | Worse than most peers |
| HOS Compliance | 86% | 93% | Worse than most peers |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 79% | 90% | 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 | 10 | 2 | 2 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Nov 27, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Oct 17, 2025 | CA | TRUCK TRACTOR | 3 | 1 |
| Sep 21, 2025 | AZ | TRUCK TRACTOR | 1 | 0 |
| Sep 10, 2025 | CA | TRUCK TRACTOR | 2 | 0 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.66 | — |
| HOS Compliance | 2 | 0.29 | — |
| Vehicle Maintenance | 7 | 4.15 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 3 states. Top state CA accounts for 88% of activity. Activity outside home state (CA): 12%.
| Hours-of-Service Compliance |
| 2 |
| 0 |
| 0 |
| Unsafe Driving | 1 | 0 | 0 |
| Sep 6, 2025 |
| CA |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Jul 22, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Mar 9, 2025 | CA | TRUCK TRACTOR | 1 | 0 |
| Jan 26, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Sep 3, 2024 | CA | TRUCK TRACTOR | 1 | 1 |
| Aug 25, 2024 | CA | TRUCK TRACTOR | 2 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Oct 17, 2025 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| Oct 17, 2025 | 39375A3TAOL | Tires - All others leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS | Vehicle Maintenance | Yes |
| Oct 17, 2025 | 3963A1BALAC | Brake - Audible air leak from a brake chamber | Vehicle Maintenance | — |
| Sep 21, 2025 | 3922SLLUP | State/Local Laws - Unlawfully parking /leaving vehicle on roadway | Unsafe Driving | — |
| Sep 10, 2025 | 39524DELDPT | HOS (ELD) - On request by an authorized safety official a driver must produce and transfer from an ELD the driver's hours of service records in accordance with t | Hours-of-Service Compliance | — |
| Sep 10, 2025 | 3965BL | Lubrication - Oil or grease leak | Vehicle Maintenance | — |
| Mar 9, 2025 | 39388 | Television/video display device - Improperly located | Vehicle Maintenance | — |
| Sep 3, 2024 | 3939TS | Inoperative turn signal | Vehicle Maintenance | Yes |
| Aug 25, 2024 | 3958 | Record of Duty Status violation (general/form and manner) | Hours-of-Service Compliance | — |
| Aug 25, 2024 | 3963A1B | Brakes (general) Explain: | Vehicle Maintenance | — |