Carrier profile · USDOT 46713 · MC-827940 · Updated Aug 27, 2026

Diamond Transportation System Inc

59 power unitsavg 11.9 yrNational · 25 statesRACINE, WI70/100

BROKER AUTHORITY ACTIVEMC-827940 BROKER ACTIVERATED SATISFACTORYHAZMAT

Observed fleet · trailing 24 mo daily

59Power units

44 observed · MCS-150

48Trailers seen

Decoded · vPIC

11.9Avg age (yr)

1997–2026 · vPIC

Call dispatch(262) 554-5400 Email dispatchrjcoca@diamondtrans.net

Click to see how we scored it

Load decision · FMCSA snapshot · Aug 27, 2026

Review before loading

Operating, but with flags a broker should weigh before tendering freight.

Watch · 2

No insurance on fileActive authority but no BIPD (liability) insurance is on file with FMCSA.Fatal crash on record2 crash(es) involving a fatality are on this carrier's record.

In good standing · 3

Active operating authorityActive for-hire authority is on file with FMCSA.Established 52 yearsOperating authority has been on file since 1974.Out-of-service rates below national averageBoth vehicle and driver OOS rates beat the national benchmark across 166 inspections.

USDOT registration

yr registered

No active authority

Insurance (BIPD)$1M in force

FMCSA L&I

Vehicle OOS · 24-mo21.1%

▼ 22.26% nat'l

Crashes · fatal

5 in 24 mo

USDOT registration

yr registered

No active authority

Insurance (BIPD)$1M in force

FMCSA L&I

Vehicle OOS · 24-mo21.1%

▼ 22.26% nat'l

Crashes · fatal

5 in 24 mo

Vektor intelligence · beyond the federal recordProprietary signals computed from VIN-decoded inspections & daily FMCSA snapshots

Fleet typeIdentity

Asset-based

59 power units. Brokers price each fleet type apart.

Fleet age vs peersTypical

11.9 yr

Model years 1997–2026 · peer benchmark unavailable.

Identity stabilityStable

52 yr unchanged

Same registration since 1974 — no chameleon / reincarnation signal.

Safety

84 inspections · 24 mo · vs national benchmarks

Out-of-service rate· 24-mo cumulative · vs national

Vehicle OOS 21.1%24-mo cumulative

050%nat'l 22.26%

Driver OOS 0.0%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 38 vehicle and 84 driver inspections over 24 months.

Vehicle OOS rate· vehicle OOS · vehicle-level inspections · 6-month trailing

25.0% · latest 6-mo window▼ Falling

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Trending down 11.5 pts across the window. The national vehicle benchmark uses the same metric and is shown on the chart.

Roadside inspection history· 24 charted calendar months · vehicle / driver level · any-OOS overlay

76 inspections in the charted months · busiest month Feb '25 · 10

Vehicle-levelDriver-levelAny OOS

Monthly FMCSA roadside inspections across the 24 charted calendar months. Bars show level-qualified vehicle and driver populations; one inspection can qualify for both. The line shows inspections with any out-of-service result.

Inspection coverage· expected vs observed · the fraud signal

Inspection coverage

How heavily FMCSA inspects this fleet for its size — it tells you how much to trust the safety signals above. Thin coverage on a young authority is a fraud signal nobody else surfaces.

Expected band

Under-inspected

Expected

Well-monitored

Heavily inspected

≈0.7 / unit·yr

thin signalabundant signal

Roadside-inspection volume is about what you'd expect for a 59-unit fleet — enough signal to read the safety record, though not a heavy sample.

Registered power units: 59
Inspections · 24 mo: 84
Annualized: ≈42 / yr
Coverage: ≈0.7 inspections / unit · yr

Violation themes· decoded · grouped by BASIC

What this carrier actually gets cited for — FMCSA violation codes decoded into plain English, ranked by frequency.

392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving53 · 0 OOS
393.9 Inoperative required lampsVehicle Maintenance29 · 13 OOS
395.8 Record of duty status (log / ELD) not current or missingHOS Compliance9 · 0 OOS
395.24 ELD — record edits / dataHOS Compliance7 · 0 OOS
393.55 Antilock brake system (ABS)Vehicle Maintenance7 · 0 OOS
393.45 Brake tubing / hose defectsVehicle Maintenance7 · 2 OOS
396.3 Inspection / repair / maintenance not performedVehicle Maintenance5 · 1 OOS
393.104 Cargo securement — tiedownsVehicle Maintenance5 · 2 OOS
393.130 Cargo securement — heavy vehicles/equipmentVehicle Maintenance4 · 4 OOS
393.11 Required lamps/reflectors missingVehicle Maintenance4 · 0 OOS

Explore full safety record — inspections, BASICs, crashes

Authority & Insurance

Can they legally + adequately haul your load?

Operating authority· 49 CFR · per type

Operating authority

Common: None
Contract: None
Broker: Active

Insurance & bonds

BIPD / liability$1,000,000 in force

Cargo filing (census)Not recorded per census

Surety bond (census)Recorded per census

Insurance adequacy· filed BIPD vs the $750K federal floor

$1M in forcegeneral-freight federal minimum

$750K floor

Filed BIPD coverage of $1M meets or exceeds the $750K federal minimum for general freight (49 CFR 387.9). Some commodities (hazmat, larger vehicles) require $1M–$5M — confirm against your load.

Insurance continuity· insurer · policy · lapses

$750K BIPD last filed ’18 · 9 insurers · 2 lapsesCoverage lapse

Liberty’01–’12

Great West’12–’18

beyond this history

1994200220102018now

Shorter eras are too brief to label at this scale — all 9 insurers are named in the list below.

BIPD in force — $1,000,000 · GREAT WEST CASUALTY CO. · since Dec 2018

All 9 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
UNITED STATES FIRE INSURANCE CO.	Dec 2017 → Dec 2018	$750K	3
GREAT WEST CASUALTY CO.	Dec 2012 → Jan 2018	$750K	2
LIBERTY MUTUAL INSURANCE CO.	Dec 2001 → Dec 2012	$750K	2
EMPLOYERS INSURANCE OF WAUSAU, A MUTUAL CO.	Dec 2000 → Dec 2000	$750K	2
ATLANTIC MUTUAL INSURANCE CO.	Dec 1998 → Dec 1998	$750K	1
CENTENNIAL INSURANCE CO.	Dec 1998 → Dec 2000	$750K	1
THE RELIANCE INSURANCE CO.	Jan 1997 → Dec 1998	$750K	1
THE AMERICAN INSURANCE CO.	Jun 1996 → Jan 1997	$750K	1
VANLINER INSURANCE COMPANY	Jan 1994 → Jun 1996	$750K	1

Explore full authority & insurance record

Equipment

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 59
Observed power (24 mo): 44
Trailers (towed): 48

Capacity is power units only — trailers are towed equipment and are never summed into a fleet-size figure.

Fleet age· model years · decoded VINs

11.9 yr

Average age

2026

Newest model yr

1997

Oldest model yr

58.5%

VINs decoded

Explore full fleet — VIN roster, equipment mix, age distribution

Operations & Lanes

Revealed by inspection density across 25 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusNational

revealed

States observed

US states

Inspections · 24 mo

OH busiest

Inspection density by state· each tile = a state · shade = inspections, last 24 mo

Home base

RACINE, WI

5021 21ST ST

Top corridor

OH ⇄ WI

OH 10 · IA 8 · AR 7

Density

fewermore

Shade = roadside inspections, last 24 mo.

See the full operating map — state density, top lanes

Network & Fraud

Affiliated entities & reincarnation signals · for review, not a verdict

Last 12 months: 3 trucks also ran under 4 other carriers

VINs inspected under this carrier were recently inspected under other USDOTs too — the active double-broker / shared-equipment signal: USDOT 92693 USDOT 2439596 USDOT 7948941 USDOT 889530Some overlap is legitimate (leased or sold equipment); review alongside the other signals.

Show all-time history (21 trucks · 24 carriers)

Across all inspections on record: USDOT 92693 USDOT 1604546 USDOT 2439596 USDOT 680185 USDOT 1466227 USDOT 3270408 USDOT 154712 USDOT 388467

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

Observed (24 mo)

Shared w/ other carriers

Registered and roadside-observed capacity are broadly consistent.

Explore the carrier network & VIN cross-links

Identity & Federal

FMCSA census + L&I dossier

Location

Physical address: 5021 21ST ST, RACINE, WI, 53406-5086
Mailing address: 5021 21ST STREET, RACINE, WI, 53406
Operation: Interstate· Hazmat

Contact

Phone: (262) 554-5400
Fax: (262) 554-4030
Email: rjcoca@diamondtrans.net
Web domain: diamondtrans.net

Registration

Officer: R. Jon Coca
USDOT / docket: 46713 · MC-827940
First registered: Jun 1, 1974
Last MCS-150: Mar 6, 2025 · 3,234,965 mi (2022)
FMCSA safety rating: Satisfactory · Jul 20, 1994
D-U-N-S: 7821929

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

3,234,965

Annual mileage

Open the full identity & federal record

Federal activity

Daily-captured FMCSA licensing & insurance changes — monitored by Vektor

Federal record activity· monitored daily by Vektor

No licensing or insurance changes captured since Vektor began monitoring this carrier (June 2026). Quiet is usually good.

Open the full federal-record activity feed

Reviews

Verified broker, shipper & driver reviews — moderated

Performance ratings only — never the Vektor risk score

No verified reviews yet

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Verification summaryAuthority, insurance, safety and identity facts for DIAMOND TRANSPORTATION SYSTEM INC.

DIAMOND TRANSPORTATION SYSTEM INC (USDOT 46713) has a Vektor safety score of 70/100 and a Review before loading verdict, from the carrier's FMCSA record refreshed Aug 27, 2026.

The carrier holds active broker authority but no active for-hire carrier authority per FMCSA L&I as of Aug 27, 2026.

It has an active BIPD insurance filing with a $1,000,000 limit in force from GREAT WEST CASUALTY CO. effective Dec 1, 2018 in FMCSA L&I's current snapshot as of Aug 27, 2026.

Its vehicle out-of-service rate was 21.1% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Aug 27, 2026.

The carrier received 84 roadside inspections in the last 24 months — 38 vehicle-level and 84 driver-level — across 25 states, according to FMCSA roadside-inspection data refreshed Aug 27, 2026.

The carrier has 5 reportable crashes in the last 24 months and 2 fatal crashes across the full FMCSA crash record available as of Aug 27, 2026.

It reports 59 power units and 61 drivers in its most recent MCS-150 filing dated Mar 6, 2025.

It has an FMCSA safety rating of Satisfactory assigned Jul 20, 1994 in the federal record refreshed Aug 27, 2026.

Frequently asked

What is DIAMOND TRANSPORTATION SYSTEM INC's USDOT number?

DIAMOND TRANSPORTATION SYSTEM INC's USDOT number is 46713, and its motor carrier number is MC-827940.

Is DIAMOND TRANSPORTATION SYSTEM INC authorized to operate?

As of Aug 27, 2026, DIAMOND TRANSPORTATION SYSTEM INC is active in the FMCSA register with common, contract, broker operating authority on file.

What is DIAMOND TRANSPORTATION SYSTEM INC's safety record?

DIAMOND TRANSPORTATION SYSTEM INC has a 21.1% vehicle out-of-service rate (national average 22.26%) across 166 roadside inspections, with 5 reportable crashes in the last 24 months, and an FMCSA "Satisfactory" safety rating. Vektor's computed risk score is 70/100 (tier: review).

How big is DIAMOND TRANSPORTATION SYSTEM INC's fleet?

DIAMOND TRANSPORTATION SYSTEM INC operates 59 power units and 61 drivers per its most recent MCS-150 filing.

Where is DIAMOND TRANSPORTATION SYSTEM INC based?

DIAMOND TRANSPORTATION SYSTEM INC is based in RACINE, WI, with roadside inspections recorded across 25 states.

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