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DIETZ TOWING INC
DBA: Dietz Towing
Ontario, CA
CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating, crash records and out-of-service rates checked
FMCSA status: Active registration · no operating authority · DOT 787086
Active
No Safety Rating
Broker Vetting Summary
Key signals from current FMCSA records
Authority
No Active Authority
Common carrier
Insurance
Not Found
No coverage amount on file
Safety
Not Rated
23.5% OOS · 22 inspections on record
✓ No risk flags found on authority or insurance records
Vetting notes
- Active FMCSA registration, but no active for-hire operating authority on record
- No active insurance filing found on record
- Vehicle out-of-service rate 23.5% — above the 20.7% national average
- Driver out-of-service rate 0.0% — below the 5.5% national average
- 22 FMCSA inspections on record
Company Information
Registration, contact and cargo details
FMCSA Registration
DOT Number
787086
Safety Rating
Not Rated
Entity Type
Individual
Operation Classification
Authorized for hire
MCS-150 Filed
April 30, 2026
FMCSA Registration
December 22, 1998
Annual Mileage
125,000 mi (2026)
Contact Information
Location
Ontario, CA
Email
Cargo Types
General FreightMotor VehiclesDrive/Tow Away
Safety Snapshot
Out-of-service rates, violations and crashes
Safety & Inspection Summary
Total Inspections
22
Driver Inspections
21
Vehicle Inspections
21
Out-of-Service Violations
4
Violations by Category
Vehicle Maintenance5
Unsafe Driving0
Hours of Service0
OOS Rates vs. National Average
Driver OOS Rate0.0% · national avg 5.5%
✓ Below national average
Vehicle OOS Rate23.5% · national avg 20.7%
⚠ Above national average (2.8pp higher)
23.5% of 17 inspections in the last 24 months put a driver or vehicle out of service —
58th percentile among carriers with 10–24 inspections (lower is better).
CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.
Inspection Trend by Year
2026
2025
2024
Violation Rate by Category
Share of roadside inspections in FMCSA's rolling 24-month window that found a violation in each category. The individual violations are listed under each inspection in Inspection Details below. None of this is the basis of the safety rating, which comes from an on-site compliance review.
Vehicle Maintenance
4 of 17 inspections
Unsafe Driving
0 of 17 inspections
Hours of Service
0 of 17 inspections
Driver Fitness
0 of 17 inspections
Controlled Substances
0 of 17 inspections
Fleet & Operating Areas
Observed roadside activity and equipment
Where This Carrier Operates
States where this carrier's roadside inspections were recorded
FewerMore
CA22
Fleet & Equipment (7)
Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Power units
~7
of 6 reported to FMCSA
Trailers
—
seen at inspection
Equipment types observed
Truck
6
Chassis / Incomplete
1
Units on record
| Vehicle | Type | VIN | Inspections | With OOS |
|---|---|---|---|---|
| 2018 Freightliner M2 | Truck · Class 6 | 1FVACWFC3JHKA5203 | 3 | 1 |
| 2021 International MV607 | Truck · Class 6 | 1HTEUMML2MH249514 | 3 | 1 |
| 2021 International MV607 | Truck · Class 6 | 1HTEUMML4MH249515 | 3 | 1 |
| 2021 International MV607 | Truck · Class 6 | 1HTEUMML9MH138913 | 3 | 1 |
| 2024 Kenworth T380 | Truck · Class 7 | 2NK4HJ7X1RM100254 | 3 | — |
| 2025 International MV607 | Truck · Class 6 | 1HTEUMML9SS577772 | 1 | — |
| 2015 Ram 5500 | Chassis / Incomplete · Class 5 | 3C7WRMDL6FG559295 | 1 | — |
A vehicle appearing here was recorded in an inspection — it is not proof the carrier still operates it today.
Inspection Details
Each roadside inspection with its violations
Inspection Records (22)
| Date | Report # | Location | Level | Viol | OOS | Shipper | Unit Type | Make | VIN | License |
|---|---|---|---|---|---|---|---|---|---|---|
| March 13, 2026 | UD7U004280 | FONTANA, CA | I | — | — | — | Straight Truck |
FREIGHTLINER |
1FVACWFC3JHKA5203 |
CA 74461M3 |
| March 13, 2026 | UD7U004279 | FONTANA, CA | I | — | — | — | Straight Truck |
INTERNATIONAL |
1HTEUMML4MH249515 |
CA 94278D3 |
| March 13, 2026 | UEG9002561 | FONTANA, CA | I | — | — | — | Straight Truck |
INTERNATIONAL |
1HTEUMML2MH249514 |
CA 94270D3 |
| March 13, 2026 | UEG9002560 | FONTANA, CA | I | — | — | — | Straight Truck |
INTERNATIONAL |
1HTEUMML9MH138913 |
CA 94260D3 |
| March 13, 2026 | UEG9002559 | FONTANA, CA | I | — | — | — | Straight Truck |
KENWORTH |
2NK4HJ7X1RM100254 |
CA 91278B4 |
| March 3, 2026 | UE2P004384 | RANCHO CUCAMONGA, CA | I | — | — | — | Straight Truck |
INTERNATIONAL |
1HTEUMML9SS577772 |
CA 011293A94 |
| April 2, 2025 | UEG9001897 | RANCHO CUCAMONGA OFFICE, CA | I | — | — | — | Straight Truck |
FREIGHTLINER |
1FVACWFC3JHKA5203 |
CA 74461M3 |
| April 2, 2025 | UEG9001896 | RANCHO CUCAMONGA OFFICE, CA | I | — | — | — | Straight Truck |
INTERNATIONAL |
1HTEUMML9MH138913 |
CA 94260D3 |
| April 2, 2025 | UE0V004331 | RANCHO CUCAMONGA, CA | I | 1 | 1 | — | Straight Truck |
INTERNATIONAL |
1HTEUMML4MH249515 |
CA 94278D3 |
| 393.45B2-BHTD | OOSAir Brake - Hose/tubing damage into the outer reinforcement ply. | Brakes All Others | ||||||||
| April 2, 2025 | UE2P003948 | RANCHO CUCAMONGA, CA | I | — | — | — | Straight Truck |
INTERNATIONAL |
1HTEUMML4MH249515 |
CA 94278D3 |
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Data sourced from FMCSA MCMIS via Socrata. Record last updated: October 19, 2026.
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