Diamond 4m Oilfield And Environmental Llc is an active interstate carrier based in Montague, TX.
No insurance filings on record.
View on FMCSA L&I| Vehicle Type | Owned | Term Leased | Trip Leased |
|---|---|---|---|
| Straight Trucks | 2 | 0 | 0 |
| Tractors | 16 | 0 | 0 |
| Trailers | 14 | 0 | 0 |
| Total Power Units | 18 | ||
Distinct vehicles · 24 mo
vs 18 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 | 68% | 93% | Around peer average |
| HOS Compliance | 68% | 90% | Around peer average |
| Driver Fitness | 0% | 0% | Better than most peers |
| Controlled Substances | 0% | 0% | Better than most peers |
| Vehicle Maintenance | 58% | 79% | 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 | 0 | — | 6.67% |
| Vehicle | 0 | 2 | — | 22.26% |
| Hazmat | 0 | 0 | — |
| Period | Fatalities | Injuries | Tow-away | Total |
|---|---|---|---|---|
| Oct 1, 2025 | 0 | 0 | 1 | 1 |
| Jul 1, 2025 | 0 | 0 | 1 | 1 |
| Oct 1, 2024 | 0 | 2 | 1 | 1 |
Most-cited violation codes
| BASIC Category | Total | Severe | OOS |
|---|---|---|---|
| Vehicle Maintenance | 55 | 4 | 4 |
| Date | State | Vehicle | Violations | OOS |
|---|---|---|---|---|
| Dec 9, 2025 | TX | TRUCK TRACTOR | 0 | 0 |
| Nov 21, 2025 | TX | TRUCK TRACTOR | 0 | 0 |
| Oct 19, 2025 | TX | TRUCK TRACTOR | 0 | 0 |
| Oct 9, 2025 | TX | TRUCK TRACTOR | 3 | 0 |
| Oct 4, 2025 |
| Measure |
|---|
| Alert |
|---|
| Unsafe Driving | 1 | 0.25 | — |
| HOS Compliance | 1 | 0.12 | — |
| Vehicle Maintenance | 21 | 5.80 | — |
| Driver Fitness | 0 | 0.00 | — |
| Controlled Substances | 0 | 0.00 | — |
| 4.44% |
Where they run
Inspected in 2 states. Top state TX accounts for 95% of activity. Activity outside home state (TX): 5%.
| Hours-of-Service Compliance |
| 1 |
| 0 |
| 1 |
| Unsafe Driving | 1 | 0 | 0 |
| TX |
| TRUCK TRACTOR |
| 8 |
| 0 |
| Sep 1, 2025 | TX | TRUCK TRACTOR | 2 | 0 |
| Aug 31, 2025 | TX | TRUCK TRACTOR | 3 | 0 |
| Aug 29, 2025 | TX | TRUCK TRACTOR | 0 | 0 |
| Aug 7, 2025 | TX | TRUCK TRACTOR | 3 | 0 |
| Jul 7, 2025 | TX | TRUCK TRACTOR | 0 | 0 |
| Date | Code | Description | BASIC | OOS |
|---|---|---|---|---|
| Oct 9, 2025 | 39347A | Inadequate brakes for safe stopping - Brake Lining condition | Vehicle Maintenance | — |
| Oct 9, 2025 | 39347E | Brake Out of Adjustment - Roto Clamp (Short & Long) DD-3 or Bolt | Vehicle Maintenance | — |
| Oct 9, 2025 | 39353B | CMV manufactured after 10/19/94 has an automatic airbrake adjustment system that fails to compensate for wear | Vehicle Maintenance | — |
| Oct 4, 2025 | 39345B2UV | Brake Hose or Tubing Chafing and/or Kinking Under Vehicle | Vehicle Maintenance | — |
| Oct 4, 2025 | 39355C1 | Truck Tractor manufactured on or after March 1 1997 not equipped with an antilock brake system | Vehicle Maintenance | — |
| Oct 4, 2025 | 39355C2 | CMV other than truck-tractor manufactured on or after March 1 1998 not equipped with an antilock brake system | Vehicle Maintenance | — |
| Oct 4, 2025 | 39355E | No or Defective ABS Malfunction Indicator Lamp for trailer manufactured after 03/01/1998 | Vehicle Maintenance | — |
| Oct 4, 2025 | 39360C | Windshield - Damaged or Discolored | Vehicle Maintenance | — |
| Oct 4, 2025 | 3939 | Inoperable Required Lamp | Vehicle Maintenance | — |
| Oct 4, 2025 | 39395F | Emergency Equipment - Stopped vehicle warning devices missing or improper | Vehicle Maintenance | — |