DIAMOND TRANSPORTATION SYSTEM INC

USDOT 46713

ActiveEstablished authority

Active, interstate carrier, mid-size fleet (59 power units) — safety rating: satisfactory.

USDOT46713
MC NumberMC-827940
Fleet59 power units
Drivers61
Phone12625545400
LocationRacine, WI

Vetting summary

At a glance

  • Insurance on fileGreat West Casualty Company
  • Coverage gapsNone detected
  • Out-of-service rate9.8% vs 19.1% national avg
  • Crashes (24 months)5 reported — involvement does not imply fault
  • Authority ageGranted 44 years ago

These signals summarize the records shown below — they are a starting point for your own checks, not a judgment of the carrier.

Registration

Carrier identity

USDOT Number46713
MC NumberMC-827940
Legal NameDIAMOND TRANSPORTATION SYSTEM INC
DBA Name
Entity TypeCORPORATION
Phone12625545400
Address5021 21ST ST, Racine, WI, 53406-5086

Status

Authority & safety

Operating StatusActive
Operation TypeInterstate
Safety RatingS — Satisfactory (rated 19940720)
Hazmat Flagfalse

Safety ratings: S = Satisfactory, C = Conditional, U = Unsatisfactory. A carrier with no rating has not been through a full FMCSA compliance review — this is common and not itself a red flag.

Filings

Insurance

Current InsurerGreat West Casualty Company
Coverage on File$1,000,000
Insurance on File Since2018-12-01
InsurerCoverageFormEffectiveCancelled
Old Republic Surety Company$75,000BMC-842022-07-012026-08-01
Great West Casualty Company$1,000,000BMC-91X2018-12-01

Timeline

Authority history

Authority First Granted1981-11-19 Established authority
Authority Events on Record4
  • 1981-11-19 — Granted — Motor Carrier of Property (Except Household Goods) Active GRANTED
  • 2010-08-16 — Granted — Broker of Property (Except Household Goods) Active GRANTED
  • 2010-08-16 — Granted — Broker of Property (Except Household Goods) Active GRANTED
  • 2026-06-09 — Other — Broker of Property (Except Household Goods) Inactive Administrative status adjustment

Our scoring

Safety scores

Unsafe Driving
82 / 100
Hours-of-Service Compliance
86 / 100
Driver Fitness
0 / 100
Controlled Substances & Alcohol
0 / 100
Vehicle Maintenance
73 / 100

Scores are 0-100 rankings computed by us from public FMCSA inspection measures; higher = worse relative to peers. Not official CSA/BASIC percentiles. How these scores are computed.

Safety events

Inspections & crashes (last 24 months)

Inspections82
Out-of-Service Rate9.8% vs 19.1% national average
Crashes5 total (0 fatal, 1 with injuries, 5 towaway)
  • 2026-01-13 — OH — towaway
  • 2025-05-19 — KY — 2 injured, towaway
  • 2025-03-01 — AL — towaway
  • 2025-02-28 — CA — towaway
  • 2024-10-23 — GA — towaway

Most frequent violation categories: 12 (16), 20 (13), 16 (7).

Crash involvement does not imply fault. FMCSA crash records list all reportable crashes involving a carrier, regardless of who caused them.

Equipment

Fleet & operations

Power Units (trucks)59
Drivers61
Recent Annual Mileage3,234,965
Last MCS-150 Filing06-MAR-25

DIAMOND TRANSPORTATION SYSTEM INC operates 59 power units — a larger fleet than 99% of carriers registered in WI.

Nearby

Other carriers in Racine, WI

Browse all carriers in Racine, WI or all WI carriers.