Hy Success Inc is an active interstate carrier based in Diamond Bar, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 1 | 0 | 0 |
| Tractors | 1 | 0 | 0 |
| Total Power Units | 1 | ||
Distinct vehicles · 24 mo
vs 1 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 | 95% | 95% | Worse than most peers |
| HOS Compliance | 97% | 98% | Worse than most peers |
| Driver Fitness | 98% | 96% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 91% | 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 | 1 | — | 6.67% |
| Vehicle | 0 | 1 | — | 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 | 18 | 1 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jul 24, 2025 | CA | TRUCK TRACTOR | 4 | 1 |
| Jun 18, 2025 | CA | TRUCK TRACTOR | 1 | 0 |
| Apr 23, 2025 | NV | TRUCK TRACTOR | 0 | 0 |
| Mar 11, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
Carriers that share an officer, phone, or email with this DOT.
Shared officer · 1
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 5.00 | — |
| HOS Compliance | 5 | 3.46 | — |
| Vehicle Maintenance | 4 | 4.33 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 5 states. Top state CA accounts for 67% of activity. Activity outside home state (CA): 33%.
| 3 |
| Hours-of-Service Compliance | 8 | 4 | 3 |
| Driver Fitness | 1 | 0 | 0 |
| Unsafe Driving | 1 | 0 | 0 |
| Jan 30, 2025 |
| CA |
| TRUCK TRACTOR |
| 0 |
| 0 |
| Jan 5, 2025 | CA | TRUCK TRACTOR | 0 | 0 |
| Nov 20, 2024 | CA | TRUCK TRACTOR | 0 | 0 |
| Oct 15, 2024 | WA | TRUCK TRACTOR | 2 | 1 |
| Oct 14, 2024 | CA | TRUCK TRACTOR | 1 | 0 |
| Aug 26, 2024 | CA | TRUCK TRACTOR | 1 | 1 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jul 24, 2025 | 39345B2BAIR | Air Brake - Hose/tubing damaged or not secured | Vehicle Maintenance | — |
| Jul 24, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Jul 24, 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 24, 2025 | 3963A1BOS | Brake - Defective brake(s) are equal to or greater than 20% of the service brakes on the vehicle/combination | Vehicle Maintenance | Yes |
| Jun 18, 2025 | 3939ALSML | Lighting - Side marker lamp(s) inoperative | Vehicle Maintenance | — |
| Oct 15, 2024 | 3922SLLIT | State/Local Laws - Improper turns | Unsafe Driving | — |
| Oct 15, 2024 | 3958EHOSPDOOS | HOS (Property) - Driver produces a false record of duty status that concealed an HOS limitation violation after the last rest period. Explain: | Hours-of-Service Compliance | Yes |
| Oct 14, 2024 | 3953A3II | Driving beyond 8 hour driving limit since the end of the last on duty off duty or sleeper period of at least 30 minutes | Hours-of-Service Compliance | — |
| Aug 26, 2024 | 3958AELD | ELD - No record of duty status (ELD Required) | Hours-of-Service Compliance | Yes |
| Jul 7, 2024 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |