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FMCSA Carrier Profile

DIAMOND TRANSPORTATION SYSTEM INC

Racine, WI

CarrierChk vetting signal
No flags raised
Authority, insurance, safety rating, crash records and out-of-service rates checked
FMCSA status: Active & Authorized  ·  DOT 46713 · MC 827940
Broker Satisfactory Active 12 yrs, 11 mo · first granted 1980
59
Power Units
61
Drivers
135
Inspections
24%
Vehicle OOS
$1,000,000
Insurance

Broker Vetting Summary

Key signals from current FMCSA records

Authority
Active
MC-827940 · Common carrier
Insurance
On File
Great West Casualty Co
Safety
Satisfactory
10.7% OOS · 135 inspections on record
✓ No risk flags found on authority or insurance records

Broker Authority

Broker Authority
Active
Docket
MC827940
Surety Bond
Bond on file
Authority Age
12 yrs, 11 mo
Revocation Filings
1
Vetting notes
  • Operating authority active 12 yrs, 11 mo, reinstated after a revocation effective December 2, 2013; first granted March 21, 1980 (46 yrs, 7 mo ago)
  • Insurance on file: $1,000,000
  • FMCSA safety rating: Satisfactory
  • 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
  • 135 FMCSA inspections on record

Authority & Compliance

Authority, insurance and required filings

Operating Authority

MC827940
Broker of Property (Except Household Goods) · $0 required
Active
MC123048
Broker of Property (Except Household Goods) · $0 required
Active

Insurance on File

Great West Casualty Co
BI&PD · $1,000,000 · Policy MCP45558A
On File

Required Filings

Liability (BIPD)
On file
Surety bond / trust fund · required
On file

Company Information

Registration, contact and cargo details

FMCSA Registration

DOT Number
46713
MC Number
MC-827940
Safety Rating
Satisfactory
Entity Type
Corporation
Operation Classification
Authorized for hire
MCS-150 Filed
March 6, 2025
FMCSA Registration
June 1, 1974
Authority First Granted
March 21, 1980
Authority Reinstated
After December 2, 2013
Annual Mileage
3,234,965 mi (2022)

Contact Information

Address
5021 21st St, Racine, WI 53406-5086
Owner / Officer
R. Jon Coca

Cargo Types

General FreightMetal/Sheet SteelMotor VehiclesDrive/Tow AwayLogs/Poles/BeamsBuilding MaterialsMachinery/Large ObjectsIntermodalOilfield EquipmentFarm SuppliesConstruction MaterialsOther Cargo

Safety Snapshot

Out-of-service rates, violations and crashes

Safety & Inspection Summary

Total Inspections
135
Driver Inspections
79
Vehicle Inspections
61
Out-of-Service Violations
25

Violations by Category

Vehicle Maintenance60
Unsafe Driving12
Hours of Service12

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)
10.7% of 75 inspections in the last 24 months put a driver or vehicle out of service — 30th percentile among carriers with 25–99 inspections (lower is better). CarrierChk calculation from FMCSA roadside inspection records, not an FMCSA score.

Inspection Trend by Year

2026
34 insp · 10 OOS
2025
39 insp · 3 OOS
2024
53 insp · 11 OOS

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 17 of 36 inspections
Unsafe Driving 9 of 79 inspections
Hours of Service 3 of 79 inspections
Driver Fitness 1 of 79 inspections
Controlled Substances 0 of 79 inspections

Crash History (6)

Crashes reported to FMCSA in the last 24 months. A crash appearing here is a reported event, not a finding of fault.
6
Crashes
0
Fatalities
2
Injuries
6
Tow-aways
DateStateFatalInjuredTowConditions
April 21, 2026 IL — — Yes No Adverse Conditions · Daylight · Dry
January 13, 2026 OH — — Yes No Adverse Conditions · Dark - Lighted · Dry
May 19, 2025 KY — 2 Yes No Adverse Conditions · Daylight · Dry
March 1, 2025 AL — — Yes No Adverse Conditions · Daylight · Dry
February 28, 2025 CA — — Yes No Adverse Conditions · Daylight · Dry
October 23, 2024 GA — — Yes No Adverse Conditions · Daylight · Dry

Fleet & Operating Areas

Observed roadside activity and equipment

Where This Carrier Operates

States where this carrier's roadside inspections were recorded
FewerMore
AR11
IA10
OH10
NM7
SD7
TN7
and 20 more states

Fleet & Equipment (106)

Vehicles identified in this carrier's inspection history. Year, make, model and equipment type are decoded from the VIN.
Tractor-Trailer Power units Class 8 · trailers up to 53 ft
Power units
~52
of 59 reported to FMCSA
Trailers
~54
seen at inspection
Equipment types observed
Tractor
51
Flatbed
46
Semi-trailer
6
Other Trailer
2
Not Applicable
1
Units on record
VehicleTypeVINInspectionsWith OOS
2003 Peterbilt 379 Tractor · Class 8 1XP5DB9X03N805542 5 —
2017 Peterbilt 579 Tractor · Class 8 1XPBDP9X8HD418069 5 —
1997 Freightliner Long Conv. Tractor · Class 8 2FUPCDZB7VA694837 5 1
2020 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04825LL018875 5 —
2002 Peterbilt 379 Tractor · Class 8 1XP5DB9XX2D586206 4 —
2023 Peterbilt 389 Tractor · Class 8 1XPXD49XXPD798552 4 1
2019 Freightliner Cascadia Tractor · Class 8 3AKJHHDR1KSKB5479 4 —
2017 International LF517 Tractor · Class 8 3HSCXAPR6HN521639 4 —
2014 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04820EL013814 4 —
2022 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04825NL021147 4 —
Show all 106 units
VehicleTypeVINInspectionsWith OOS
2022 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04827NL021148 4 2
2019 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04828KL018593 4 —
2019 Kenworth T680 Tractor · Class 8 1XKYDP9X8KJ237255 3 —
2007 Peterbilt 379 Tractor · Class 8 1XP5DB9X47D655284 3 —
2018 Peterbilt 579 Tractor · Class 8 1XPBD49XXJD459839 3 —
2007 International L9427 Tractor · Class 8 2HSCNAPR17C404122 3 —
2016 International LF517 Tractor · Class 8 3HSCXAPR1GN361359 3 —
2014 International L9377 Tractor · Class 8 3HSDMAPR0EN796612 3 —
2005 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J048215L005186 3 1
2014 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04821EL013823 3 —
2025 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04822SL023711 3 1
2013 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04823DL013031 3 —
2019 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04824KL018591 3 —
2022 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04826NL020945 3 —
2023 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04826PL021581 3 —
2020 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04827LL018876 3 —
2020 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J0482XLL018872 3 —
2007 Peterbilt 379 Tractor · Class 8 1XP5DB9X37D738348 2 —
2005 Peterbilt 379 Tractor · Class 8 1XP5DB9X65N882936 2 —
2019 Peterbilt 579 Tractor · Class 8 1XPBDP9X4KD634928 2 1
2020 Peterbilt 567 Tractor · Class 8 1XPCD49X1LD637869 2 —
2009 Peterbilt 386 Tractor · Class 8 1XPHD49XX9D785159 2 1
2014 Peterbilt 389 Tractor · Class 8 1XPXD49XXED219170 2 1
1999 International 9400 Tractor · Class 8 2HSFHAMR4XC079569 2 —
2016 Freightliner Coronado Tractor · Class 8 3AKJGMD67GDHB6490 2 —
2020 Freightliner SD122 Tractor · Class 8 3AKJGNDR3LDKW9247 2 —
2021 Freightliner Cascadia Tractor · Class 8 3AKJHHDR6MSMF3430 2 1
2024 Freightliner Cascadia Tractor · Class 8 3AKJHTDV2RSVJ3974 2 —
Frht Tractor 3ALXFBCG4HDJF1766 2 —
2017 International LF687 Tractor · Class 8 3HSDJAPRXHN151835 2 1
2000 X-l S Semi-trailer 4U3B04827YL002547 2 —
2020 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04820LL018878 2 —
2025 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04820SL023710 2 1
1999 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04820XL001939 2 2
2019 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04822KL018590 2 1
2020 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04823LL018874 2 —
2027 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04823VL011359 2 —
2025 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04824SL023712 2 1
2013 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04827DL013033 2 —
2022 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04829NL021149 2 —
2016 Western Star 4900 Tractor · Class 8 5KJJALD17GPHA5936 2 1
2020 Western Star 5700 Tractor · Class 8 5KJJBHDR9LLKV0056 2 —
2019 Kaufman Trailers Of Sc Flatbed · 36 ft 1K9FR3629KB367164 1 —
2014 Transcraft/wabash Combo Steel/Alum Flatbed Flatbed · 53 ft 1TTE532C0E3805104 1 —
2014 Transcraft/wabash Combo Steel/Alum Flatbed Flatbed · 53 ft 1TTE532C2E3805105 1 —
2006 Kenworth T6 Series Not Applicable · Class 8 1XKADB9X26J107644 1 —
2008 Kenworth T6 Series Tractor · Class 8 1XKADB9X78R228657 1 —
2019 Kenworth W9 Series Tractor · Class 8 1XKWD49X2KR255757 1 —
2018 Kenworth W9 Series Tractor · Class 8 1XKWD49X4JJ219131 1 —
2001 Kenworth W900 Tractor · Class 8 1XKWDB9X61R871884 1 —
2020 Kenworth T680 Tractor · Class 8 1XKYD49X7LJ391780 1 —
2018 Kenworth T680 Tractor · Class 8 1XKYDP9X4JJ186108 1 —
2019 Kenworth T680 Tractor · Class 8 1XKYDP9X7KJ229017 1 —
2026 Peterbilt 567 Tractor · Class 8 1XPCD49X2TD798439 1 —
2018 Peterbilt 567 Tractor · Class 8 1XPCDP9XXJD491888 1 —
2014 Peterbilt 386 Tractor · Class 8 1XPHD49X3ED213540 1 1
2014 Peterbilt 367 Tractor · Class 8 1XPTD49X9ED237433 1 —
2015 Peterbilt 389 Tractor · Class 8 1XPXD49XXFD287115 1 —
2001 International 9400i Tractor · Class 8 2HSCNAMR71C002777 1 —
2008 International LF627 Tractor · Class 8 2HSCUAPR28C692768 1 —
2016 Freightliner Cascadia Tractor · Class 8 3AKJGLBG5GSHT6789 1 1
2016 Freightliner SD122 Tractor · Class 8 3AKJGND69GDGX9176 1 —
2018 Freightliner SD122 Tractor · Class 8 3AKJGNDR2JDJT0305 1 1
2018 Freightliner SD122 Tractor · Class 8 3AKJGNDR4JDJM1659 1 —
2020 Freightliner SD122 Tractor · Class 8 3AKJGNDR5LDKY9791 1 —
Frht Tractor 3ALXA7BD2EDFT1789 1 —
Frht Tractor 3ALXFB006EDFV9597 1 —
2004 International 9900ix Tractor · Class 8 3HSCKAPR44N019673 1 —
2019 International HX620 Tractor · Class 8 3HSDTAPR2KN423599 1 —
Xl Semi-trailer 4U31048223L023711 1 —
2027 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3B04820VL011355 1 1
Xl Semi-trailer 4U3B04821VL002544 1 —
Xl Semi-trailer 4U3B04821YL002544 1 —
1999 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04820XL001942 1 —
2020 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04821LL018873 1 —
2013 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04822DL013036 1 —
2005 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J048235L005187 1 —
2003 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J048243L004109 1 —
2014 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04824EL013816 1 —
2013 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04825DL013029 1 —
2013 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04825DL013032 1 —
2019 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04826KL018592 1 —
2024 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04827RL022936 1 —
1999 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04827XL001940 1 —
2014 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04829EL013035 1 —
2020 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04829LL018877 1 —
2020 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04829LL018880 1 —
2024 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J04829RL022937 1 —
2005 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J0482X5L005185 1 —
2014 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J0482XEL013819 1 —
2014 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J0482XEL013822 1 —
Unpublishe Semi-trailer 4U3J0482XKL018584 1 —
2019 X-l Specialized Trailers Inc Flatbed · 48 ft 4U3J0482XKL018594 1 —
2024 Jet Company Inc. Other Trailer · 49 ft 5JNRS4923RH002156 1 —
2024 Kaufman Trailers Group, Llc Other Trailer · 36 ft 7UZFR3624R2000279 1 1
Unpublishe Semi-trailer UNKNOWN 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 (135)

DateReport #LocationLevelViolOOSShipperUnit TypeMakeVINLicense
October 28, 2026 PSC1112607 MARMET WV II — — ASLTOM TRANSPORTATION
Truck Tractor
Semi-trailer
PETERBILT
X-L SPECIALIZED TRAILERS INC
1XPBDP9X8KD473600
4U3J04821LL018873
FL DF65MK
WI 760755
October 8, 2026 36A0000875 VT, VT II 2 2 —
Truck Tractor
Semi-trailer
VOLVO TRUCK
X-L SPECIALIZED TRAILERS INC
4V4NC9EH8PN341390
4U3J04820LL018878
WI 94289Z
WI 760759
393.45B2-BHTD OOSAir Brake - Hose/tubing damage into the outer reinforcement ply. Brakes All Others
393.11A1-LTSM OOSLighting - Turn signal - Any missing on the rearmost vehicle. Lighting
October 6, 2026 NFDX002762 CA, CA II 1 1 DIAMOND TRANSPORTATION SYSTEM INC
Truck Tractor
Semi-trailer
PTRB
X-L S
1XPBDP9X0KD647448
4U3J04820RL022938
WI 51898Z
WI 840284
393.75A3-TAOL OOSTires - All others, leaking or inflation less than 50% of the maximum inflation pressure on tire not equipped with ATIS Tires
October 2, 2026 8228Q7NFCQ NM, NM III — — NA
Truck Tractor
Semi-trailer
WESTERN STAR
X-L SPECIALIZED TRAILERS INC
5KJJBHDR9LLKV0056
4U3J04824KL018591
WI 75395Z
WI 762297
September 29, 2026 TR80002303 FARGO ND III — — JOHN DEERE
Truck Tractor
Semi-trailer
KENWORTH
X-L SPECIALIZED TRAILERS INC
1XKYDP9X8KJ237255
4U3J04825DL013032
WI 76705X
WI 823746
September 22, 2026 I5Z1774040 KNOXVILLE TN II 5 4 —
Truck Tractor
Semi-trailer
FREIGHTLINER
X-L SPECIALIZED TRAILERS INC
3AKJGLBG5GSHT6789
4U3J04824SL023712
WI T18091W
WI 849517
393.100B-C OOSCargo - Cargo not secured to prevent leaking/spilling/blowing/falling from CMV Improper Load Securement
393.130B-CHVE OOSHeavy Vehicles/Equipment - Improper securement of accessory equipment or articulated vehicles Improper Load Securement
393.9A-LTSI OOSLighting - Turn signal - Any inoperative on the rearmost vehicle. Lighting
392.2-LCDLR OOSRestriction - (CDL) - Operate a CMV in violation of a restriction. License-related: High
393.9A-LHLI Lighting - Headlamp(s) - Any inoperative Lighting
August 19, 2026 5060000569 SISSETON SD II 3 — CNH
Truck Tractor
Semi-trailer
WESTERN STAR
X-L SPECIALIZED TRAILERS INC
5KJJBHDR9LLKV0056
4U3J04824KL018591
WI 75395Z
WI 762297
392.2-SLLED State/Local Laws - Excessive dimension (width/height/length)
393.55E-B Air Brake - ABS malfunction lamp defective on trailers manufactured on or after March 1, 1998 Brakes All Others
393.9A-LSLI Lighting - Stop lamps - Any inoperative. Lighting
August 10, 2026 2712002301 STOUGHTON WI III 5 — CNH INDUSTRIAL AMERICA LLC
Truck Tractor
Semi-trailer
FREIGHTLINER
X-L SPECIALIZED TRAILERS INC
3AKJHHDR1KSKB5479
4U3J04827NL021148
WI 89784Z
WI 812463
392.2-SLLEWA2 State/Local Laws - Excessive weight - 2501-5000 lbs over on an axle/axle groups
392.2-SLLEWA2 State/Local Laws - Excessive weight - 2501-5000 lbs over on an axle/axle groups
392.2-SLLED State/Local Laws - Excessive dimension (width/height/length)
392.2-SLLEWA2 State/Local Laws - Excessive weight - 2501-5000 lbs over on an axle/axle groups
392.2-SLLED State/Local Laws - Excessive dimension (width/height/length)
August 6, 2026 1028800603 CAMBRIDGE CITY IN II 2 — JOHN DEERE HARVESTER WORKS
Truck Tractor
Semi-trailer
PETERBILT
X-L SPECIALIZED TRAILERS INC
1XPBD49XXJD459839
4U3J04822SL023711
WI 59654Z
WI 846699
393.55D1-B Air Brake - ABS malfunction lamp defective on truck-tractor manufactured on or after March 1, 1997 and each single unit CMV on or after 1998. Brakes All Others
393.78A-WS Washers - Inoperative washing system. Windshield/ Glass/ Markings
August 5, 2026 PSC1461909 ONA WV III 1 — CARRIER
Truck Tractor
Semi-trailer
KENWORTH
X-L SPECIALIZED TRAILERS INC
1XKADB9X26J107644
4U3J04828KL018593
WI 50639X
WI 762300
392.2-SLLSWZ State/Local Laws - Speeding work/construction zone Speeding 4

Shippers Seen at Inspections

Shipper names recorded by roadside inspectors over roughly the last three years. Only inspected loads appear, so this is a sample of who the carrier hauls for, not a complete customer list. Names are as entered at the roadside; blanks and placeholders such as “N/A” or “same as carrier” are left out.

ShipperInspectionsMost recent
CAT 16 July 27, 2026
CNH INDUSTRIAL AMERICA LLC 9 August 10, 2026
JOHN DEERE 8 September 29, 2026
CNH 4 August 19, 2026
JOHN DEERE HARVESTER WORKS 2 August 6, 2026
JOHN DEERE DAVENPORT WORKS 2 June 16, 2026
CATERPILLAR 2 March 16, 2026
JOHN DEERE WATERLOO WORKS 2 February 11, 2025
ASLTOM TRANSPORTATION 1 October 28, 2026
DOW 1 July 9, 2026
JW WOOD AUCTION 1 July 2, 2026
CAT CLAYTON DCP PLANT 1 April 3, 2026

36 more shippers named at fewer inspections.

History & Filings

Authority, insurance and process-agent records

Authority History

DateStatusType
June 9, 2026Inactive
Administrative status adjustment
Broker of Property (Except Household Goods)
June 15, 2021DISCONTINUED REVOCATIONBroker
June 4, 2021INVOLUNTARY REVOCATIONBroker
June 11, 2019DISCONTINUED REVOCATIONBroker
June 5, 2019INVOLUNTARY REVOCATIONBroker
December 2, 2013REVOKEDProperty Broker
July 10, 2013GRANTEDProperty Broker
August 31, 2010DISCONTINUED REVOCATIONBroker
August 16, 2010INVOLUNTARY REVOCATIONBroker
August 16, 2010Active
2 authorities
GRANTED
Broker of Property (Except Household Goods)

Insurance & Revocation Filings

DateTypeStatus
December 1, 2018BI&PD Primary/ExcessOn file
July 1, 2022Broker's Surety BondOn file
August 1, 2026Broker's Surety BondCancel · Old Republic Surety Company
September 4, 2013BROKEROn Record

BOC-3 Process Agent

AllAmerican Agents of Process
945 S Marion Rd, Sioux Falls, SD, 57106

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Data sourced from FMCSA MCMIS via Socrata. Record last updated: November 1, 2026. Verify directly on FMCSA SAFER Web.

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