Four B Mechanical Service Inc is an active intrastate non-hazmat carrier based in Pell, AL.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 4 | 0 | 0 |
| Trailers | 1 | 0 | 0 |
| Total Power Units | 4 | ||
Distinct vehicles · 24 mo
vs 4 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 | 92% | 95% | Worse than most peers |
| HOS Compliance | 0% | 0% | Better than most peers |
| Driver Fitness | 99% | 100% | Worse than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 99% | 99% | 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 | 2 | — | 6.67% |
| Vehicle | 0 | 2 | — | 22.26% |
| Hazmat | 0 | 0 | — | 4.44% |
Where they run
Inspected in 1 state. Top state AL accounts for 100% of activity. Activity outside home state (AL): 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 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Jul 22, 2025 | AL | STRAIGHT TRUCK | 9 | 4 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Jul 22, 2025 | 38323A2LCDLN | License (CDL) - Operate a CMV and does not possess a valid CDL | Driver Fitness |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 3.23 | — |
| HOS Compliance | 0 | 0.00 | — |
| Vehicle Maintenance | 1 | 30.00 | — |
| Driver Fitness | 1 | 13.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 6 |
| 3 |
| 2 |
| Driver Fitness | 2 | 1 | 2 |
| Unsafe Driving | 1 | 1 | 0 |
| Yes |
| Jul 22, 2025 | 39141APC | Medical (Certificate) - Operating a property-carrying vehicle without a valid medical certificate in possession or on file with the state drivers licensing agency | Driver Fitness | Yes |
| Jul 22, 2025 | 39216BDPASS | Driver - Failed to require passenger(s) (not a co-driver) to use seat belt while operating a property-carrying CMV. | Unsafe Driving | — |
| Jul 22, 2025 | 39343DB | Brake - Missing or inoperable breakaway braking system on a trailer(s) or converter dolly | Vehicle Maintenance | Yes |
| Jul 22, 2025 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |
| Jul 22, 2025 | 3939ALPL | Lighting - Parking lamp(s) inoperative | Vehicle Maintenance | — |
| Jul 22, 2025 | 3939ALSLI | Lighting - Stop lamps - Any inoperative. | Vehicle Maintenance | — |
| Jul 22, 2025 | 3939ALTSI | Lighting - Turn signal - Any inoperative on the rearmost vehicle. | Vehicle Maintenance | Yes |
| Jul 22, 2025 | 39617CPI | Operating a CMV without documentation of a periodic inspection | Vehicle Maintenance | — |