Monarch Heavy Haul Corp is an active interstate carrier based in Corona, CA.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 28 | 0 | 0 |
| Tractors | 28 | 0 | 0 |
| Trailers | 60 | 0 | 0 |
| Total Power Units | 28 | ||
Distinct vehicles · 24 mo
vs 28 self-reported (MCS-150)
Top makes
Registered in
Higher values = more violations. 0 = clean record.
| Category |
|---|
| Category | vs. Cohort | vs. State | Reading |
|---|---|---|---|
| Unsafe Driving | 86% | 94% | Worse than most peers |
| HOS Compliance | 83% | 94% | Worse than most peers |
| Driver Fitness | 76% | 96% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 50% | 83% | Around peer average |
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 | 5 | — | 22.26% |
| Hazmat | 1 | 0 | 0.00% |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| No crashes recorded | 0 | 0 | 0 | 0 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 19 | 6 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Mar 18, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Mar 6, 2026 | AZ | TRUCK TRACTOR | 0 | 0 |
| Feb 27, 2026 | MS | TRUCK TRACTOR | 0 | 0 |
| Feb 23, 2026 | UT | TRUCK TRACTOR | 1 | 0 |
| Feb 10, 2026 |
| Insp w/ Viol |
|---|
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 3 | 1.12 | — |
| HOS Compliance | 7 | 0.36 | — |
| Vehicle Maintenance | 12 | 1.46 | — |
| Driver Fitness | 1 | 0.03 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 7 states. Top state CA accounts for 47% of activity. Activity outside home state (CA): 53%.
+2 other states with fewer inspections
| 7 |
| Hours-of-Service Compliance | 10 | 3 | 2 |
| Unsafe Driving | 4 | 2 | 0 |
| Hazardous Materials Compliance | 3 | 0 | 2 |
| Driver Fitness | 1 | 1 | 0 |
| CA |
| TRUCK TRACTOR |
| 1 |
| 0 |
| Jan 29, 2026 | AZ | TRUCK TRACTOR | 0 | 0 |
| Jan 19, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Jan 13, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Jan 13, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Jan 13, 2026 | CA | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Feb 23, 2026 | 3958EHOSPD | HOS (Property) - No driver may make a false report in connection with a duty status. Explain | Hours-of-Service Compliance | — |
| Feb 10, 2026 | 3958F1HOSM | HOS (Manner) - Driver's record of duty status not current to the time shown for last change of duty status. Date and Time: | Hours-of-Service Compliance | — |
| Oct 22, 2025 | 3922SLLS3 | State/Local Laws - Speeding 11-14 miles per hour over the speed limit | Unsafe Driving | — |
| Oct 13, 2025 | 177817E2HMHC | HM (Highway Carriage) - Failing to have HM shipping papers readily accessible. | Hazardous Materials Compliance | — |
| Oct 13, 2025 | 177823AHMPMCNP50% | HM (Placarding) - 50% or more of the required placards for a hazard class are missing. CVSA Inspection Bulletin 2017-03 - Display of GHS Labels on Bulk Packages | Hazardous Materials Compliance | Yes |
| Oct 13, 2025 | 177823AHMTVMMCNID | HM (Transport Vehicle Markings) - 50% or more of the required ID numbers are missing for each material | Hazardous Materials Compliance | Yes |
| Sep 30, 2025 | 3922LV | Lane Restriction violation | Unsafe Driving | — |
| Sep 16, 2025 | 39375A2TAOTLM | Tires - All others 75% of the tread width is loose/missing in excess of 12 inches of circumference | Vehicle Maintenance | Yes |
| Sep 16, 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 |
| Sep 16, 2025 | 39524 | HOS (ELD) - ELD Form and Manner | Hours-of-Service Compliance | — |