DT
DIAMOND TRANSPORTATION SYSTEM INC
Carrierintel Safety Score: 65/100. 41 inspection violations in 12 months. Last inspected Oct 2026.
DOT 46713MC 827940ActiveMotor CarrierBrokerInterstateOld Republic Surety Company +1 · $1,075,000 · 2 policiesRACINE, WI
COMPANY
Authority since
2013-07-10
MCS-150
2025-03-06 · 3,234,965 mi (2022)
Fleet
59 units · 100 trailers · 61 drivers
Annual mileage (VMT)
3,234,965 mi (2022)
ADDRESS
Physical
5021 21ST ST
RACINE, WI 53406-5086
RACINE, WI 53406-5086
Mailing
5021 21ST STREET
RACINE, WI 53406
RACINE, WI 53406
CONTACT
Phone
2625545400
Email
rjcoca@diamondtrans.net
OFFICERS
Primary Officer
R. JON COCA
Title
PRESIDENT
Phone
+1 (262) 554-4030
OPERATION & CARGO
Operation classification
Authorized For Hire
Specialty
Towing & Recovery / Driveaway
Cargo types
12
General FreightMetal: Sheets, Coils, RollsMotor VehiclesDriveaway / TowawayLogs, Poles, Beams, LumberBuilding MaterialsMachinery, Large ObjectsIntermodal ContainersOilfield EquipmentFarm SuppliesConstructionOther: MACHINERY
Self-reported by the company on its latest MCS-150 filing (FMCSA census). Reflects what the carrier is authorized and equipped to haul, not actual recent loads. Specialty is our summary of the declared cargo mix.
AUTHORITY
602 mo
Active authority
INSURANCE
2 active
Old Republic Surety Company
RISK GRADE
Moderate Risk
2 risk factors · 2 strengths
OOS RATE
15.2%
25 / 165 inspections
Carrierintel Safety Score
Rolling 12-month heuristic based on inspections, OOS, violations, crashes & fatalities. Not the official FMCSA SMS score.
65
out of 100
Fair
Markers: OOS inspection Crash Fatality
Fleet vs Reality
last 12 months · power-unit VINs from roadside inspectionsDeclared (MCS-150)
59 power units
Unique power units seen
25
+ 22 trailer VINs
Inspections
39
Discrepancy
0.4x
Moderate Risk
2 risk factors · 2 strengths · 5 data pointsSAFETY PERFORMANCE
Crash Record
103 crashes · 2 fatal · 42 with injuries · 94 tow-away
Clean Inspection Rate
85% — 140 clean of 165 inspections
Out-of-Service Rate
15.2% — driver OOS 1 insp., vehicle OOS 25 insp.
COMPLIANCE & AUTHORITY
USDOT Registration
Status: Active
Operating Authority
Active: Motor Carrier, Broker
Out-of-service orders
None on record
Authority Events
100 historical event(s) on file
MCS-150 Filing
Last filed 2025-03-06
INSURANCE
Active Coverage
2 policy(ies) on file · total max coverage $1,075,000
SUMMARY
Elevated OOS rate 13% (last 24 mo)
4.2 crashes per 100 trucks/yr
85% clean inspections
Active BMC-84/85 bond $75K
INDUSTRY REPORTS
- ELD Tampering — Carriers cited for ELD tampering under 49 CFR § 395.8(e), by carrier and state.
- Top Violations — The ten most-cited FMCSA violation codes of the last 30 days.
- Phantom Fleets — Declared power units against the vehicles seen at roadside inspections.
- English Proficiency — Carriers whose drivers were cited under 49 CFR § 391.11(b)(2), by carrier and state.
- Methodology — Where the data comes from and how the Safety Score and Risk Grade are built.
Showing 1–25 of 165
Page 1 / 7
2026-04-2116:43MOLINE, IL2vehicles
I-280· County 161
Clear · Daylight · Dry
Two-way, divided, unprotected median · Full control
Sequence: 1:20:COLLISION INVOLVING OTHER MOVABLE OBJECT;2:6:NONCOLLISION:EXPLOSION OR FIRE
Reported by Illinois State Police
Tow-away
2026-01-1318:35WAPAKONETA, OH2vehicles
BELLEFONTAINE ST· County 011
Clear · Dark – lighted · Dry
Two-way, divided, unprotected median
Sequence: 1:20:COLLISION INVOLVING OTHER MOVABLE OBJECT
Reported by WAPAKONETA
Tow-away
2025-05-1909:05MIDWAY (WOODFORD CO), KY3vehicles
I 0064· County 239
Clear · Daylight · Dry
Two-way, divided, barrier · Full control
Sequence: 1:20:COLLISION INVOLVING OTHER MOVABLE OBJECT
Reported by VERSAILLES POLICE DEPARTMENT
2 injured
Tow-away
2025-03-0114:25RURAL BLOUNT, AL3vehicles
I-65· County 009
Clear · Daylight · Dry
Two-way, divided, barrier · Full control
Sequence: 1:20:COLLISION INVOLVING OTHER MOVABLE OBJECT
Reported by ALDPS52F0
Tow-away
2025-02-2810:05VICTORVILLE, CA5vehicles
34.513624/-117.321533· County 071
Clear · Daylight · Dry
Two-way, divided, barrier · Full control
Sequence: 3:18:COLLISION INVOLVING FIXED OBJECT;1:6:NONCOLLISION:EXPLOSION OR FIRE;2:18:COLLISION INVOLVING FIXED OBJECT;4:18:COLLISION INVOLVING FIXED OBJECT
Reported by CALIFORNIA HIGHWAY PATROL
Tow-away
2024-10-2314:58FORSYTH, GA2vehicles
GA 401 SOUTH NEAR GA HWY 42 NORTH· County 207
Clear · Daylight · Dry
Two-way, divided, barrier · Full control
Sequence: 1:20:COLLISION INVOLVING OTHER MOVABLE OBJECT
Reported by MONROE COUNTY SHERIFFS OFFICE
Tow-away
2024-06-1517:21NEWTON (TOWNSHIP OF), OH2vehicles
US 22· County 119
Sequence: 3:6:NONCOLLISION:EXPLOSION OR FIRE;4:18:COLLISION INVOLVING FIXED OBJECT;1:1:NONCOLLISION:RAN OFF ROAD;2:20:COLLISION INVOLVING OTHER MOVABLE OBJECT
Reported by ZANESVILLE OSP
Tow-away
2023-04-2513:00MD4vehicles
BALTO BELTWAY· County 005
Sequence: 1:8:NONCOLLISION:CROSS MEDIAN/CENTERLINE;2:20:COLLISION INVOLVING OTHER MOVABLE OBJECT
Reported by 67
Tow-away
2022-11-3016:25RURAL(GRANT COUNTY), AR2vehicles
US167· County 053
Sequence: 1:13:COLLISION INVOLVING MOTOR VEHICLE IN TRANSPORT
Reported by Arkansas State Police
1 injured
Tow-away
2022-09-2111:24GARNER, NC2vehicles
40· County 183
Sequence: 1:20:COLLISION INVOLVING OTHER MOVABLE OBJECT
Reported by NC State Highway Patrol
Tow-away
2022-09-0808:55GA2vehicles
GA. HWY 37 NEAR CLEARANCE NORMAN RD.· County 071
Sequence: 1:20:COLLISION INVOLVING OTHER MOVABLE OBJECT
Reported by GSP POST 12
1 injured
Tow-away
2022-06-0214:40CHESTERFIELD, MO2vehicles
IS 64· County 189
Sequence: 1:98:OTHER
Reported by MO0959A00
Tow-away
2022-01-2117:00MT1vehicle
+46.2686 -106.3057· County 087
Sequence: 1:13:COLLISION INVOLVING MOTOR VEHICLE IN TRANSPORT
Reported by MONTANA HIGHWAY PATROL
Tow-away
2020-03-0908:18Blackman Twp, MI2vehicles
I-94 W/B· County 075
Sequence: 1:20:COLLISION INVOLVING OTHER MOVABLE OBJECT
Reported by Blackman Township Police Department
Tow-away
2019-07-3114:24GALLAGHER, WV2vehicles
I-77 - MP 76· County 039
Sequence: 1:13:COLLISION INVOLVING MOTOR VEHICLE IN TRANSPORT
Reported by STATE POLICE
Tow-away
2019-04-2411:00DALLAS, TX2vehicles
S 5440 R L THORNTON FWY· County 113
Reported by DALLAS PD
Tow-away
2018-07-2706:30TN2vehicles
I-24· County 037
Sequence: 1:13:COLLISION INVOLVING MOTOR VEHICLE IN TRANSPORT
Reported by NASHVILLE METRO POLICE DEPT
Tow-away
2018-03-2318:48COOLIDGE, GA2vehicles
GA 35 SB /WEST VIOLET STREET· County 275
Sequence: 1:16:COLLISION INVOLVING PEDALCYCLE
Reported by GSP POST 00
1 injured
Tow-away
2018-01-0409:19Lyons Twp, IL2vehicles
I-294 NORTHBOUND· County 031
Sequence: 1:13:COLLISION INVOLVING MOTOR VEHICLE IN TRANSPORT
Reported by Illinois State Police
Tow-away
2017-10-0611:45IA2vehicles
STATE 5/IOWA 5· County 125
Sequence: 3:18:COLLISION INVOLVING FIXED OBJECT;2:13:COLLISION INVOLVING MOTOR VEHICLE IN TRANSPORT;1:98:OTHER:Evasive action/Pre
Reported by MARION COUNTY SHERIFF
2 injured
Tow-away
2017-10-0309:53KNIGHTDALE, NC2vehicles
540· County 183
Sequence: 1:13:COLLISION INVOLVING MOTOR VEHICLE IN TRANSPORT
Reported by Knightdale Police Department
Tow-away
2017-07-2712:26AVAWAM, KY2vehicles
KY0080· County 193
Sequence: 1:13:COLLISION INVOLVING MOTOR VEHICLE IN TRANSPORT
Reported by KY STATE POLICE, POST 13
Tow-away
2017-03-3107:50NORTH CHARLESTON, SC3vehicles
26· County 019
Sequence: 1:13:COLLISION INVOLVING MOTOR VEHICLE IN TRANSPORT
Reported by HP06
Tow-away
2017-03-0619:00VA2vehicles
RT 207/ROGERS CLARK BLVD· County 033
Sequence: 1:13:COLLISION INVOLVING MOTOR VEHICLE IN TRANSPORT
Reported by UNKNOWN
Tow-away
2017-02-1618:45PERU, IN2vehicles
US31N· County 103
Sequence: 1:13:COLLISION INVOLVING MOTOR VEHICLE IN TRANSPORT
Reported by MIAMI SD
Tow-away
Showing latest 25 of 103 crashes
Current policies
(3)Old Republic Surety Company
BMC-84 · 3 · #W150411093
Coverage: $0 – $75,000
Effective 2022-07-01 → —
Active
Old Republic Surety Company
BMC-84 · 3 · #W150411093
Coverage: $0 – $75,000
Effective 2022-07-01 → cancelled 2026-08-01
Cancelled
Great West Casualty Co
BMC-91X · 1 · #MCP45558A
Coverage: $0 – $1,000,000
Effective 2018-12-01 → —
Active
Insurance history
Snapshot 2026-09-25
Estimated measures · FMCSA SMS v3.21 method · data through 2026-10-31 · calculated 2026-11-03
Unsafe Driving
interstate
Measure
1.49
↓ avg 2.31
Percentile
—
79 insp · 9 viol
Hours-of-Service Compliance
interstate
Measure
0.23
est.
↓ avg 0.58
Snapshot 2026-09-25: 0.34
Percentile
—
79 insp · 3 viol
Driver Fitness
interstate
Measure
0.21
est.
↓ avg 0.85
Snapshot 2026-09-25: 0.22
Percentile
—
79 insp · 1 viol
Controlled Substances/Alcohol
interstate
Measure
0.00
est.
↓ avg 0.04
Snapshot 2026-09-25: 0
Percentile
—
79 insp · 0 viol
Vehicle Maintenance
interstate
Measure
5.26
est.
↓ avg 6.29
Snapshot 2026-09-25: 4.87
Percentile
—
79 insp · 17 viol
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