Carrier profile · USDOT 2574313 · MC-900164 · Updated Jun 13, 2026

DIAMOND PLUS TRANSPORTATION INC

14 power unitsavg 9.5 yrMulti-region · 14 statesWALNUT, CA80/100

CARRIER ACTIVEMC-900164 ACTIVE

Observed fleet · trailing 24 mo daily

14Power units

18 observed · MCS-150

37Trailers seen

Decoded · vPIC

9.5Avg age (yr)

2012–2021 · vPIC

Call dispatch(626) 818-8998 Email dispatchDIAMONDPLUSTRANS@GMAIL.COM

Click to see how we scored it

Load decision · FMCSA snapshot · Jun 13, 2026

Review before loading

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

Active operating authorityInsurance on fileVehicle out-of-service rate well above average

Watch · 2

Vehicle out-of-service rate well above average40.4% of vehicle inspections were placed out of service vs the 22.26% national average.Driver out-of-service rate above average8.2% vs the 6.7% national average.

In good standing · 3

Active operating authorityActive for-hire authority is on file with FMCSA.Insurance on fileBIPD (liability) insurance is on file with FMCSA.Established 12 yearsOperating authority has been on file since 2015.

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$750K in force

FMCSA L&I

Vehicle OOS · 24-mo40.4%

▲ 22.26% nat'l

Crashes · fatal

Clean · 24 mo

USDOT registration

yr registered

Active for-hire

Insurance (BIPD)$750K in force

FMCSA L&I

Vehicle OOS · 24-mo40.4%

▲ 22.26% nat'l

Crashes · fatal

Clean · 24 mo

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

Fleet typeIdentity

Small fleet

14 power units. Brokers price each fleet type apart.

Fleet age vs peersTypical

9.5 yr

Model years 2012–2021 · peer benchmark unavailable.

Identity stabilityStable

11 yr unchanged

Same registration since 2015 — no chameleon / reincarnation signal.

Safety

65 inspections · 24 mo · vs national benchmarks

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

Vehicle OOS 40.4%24-mo cumulative

050%nat'l 22.26%

Driver OOS 8.2%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 47 vehicle and 61 driver inspections over 24 months.

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

40.0% · latest 6-mo window● Steady

Share of vehicle-level roadside inspections in each trailing six-month window that resulted in a vehicle out-of-service order. Holding steady 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

61 inspections in the charted months · busiest month May '26 · 7

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.

Heavily inspected

Under-inspected

Expected

Well-monitored

Heavily inspected

≈2.3 / unit·yr

thin signalabundant signal

Among the more heavily-inspected carriers for its size — abundant roadside signal. Coverage isn't the question here; the out-of-service and crash record is.

Registered power units: 14
Inspections · 24 mo: 65
Annualized: ≈33 / yr
Coverage: ≈2.3 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.

393.45 Brake tubing / hose defectsVehicle Maintenance18 · 8 OOS
396.3 Inspection / repair / maintenance not performedVehicle Maintenance14 · 9 OOS
396.17 Periodic (annual) inspectionVehicle Maintenance14 · 0 OOS
392.2 State/local traffic law violation (speeding, etc.)Unsafe Driving11 · 0 OOS
393.47 Brake actuators / linings / componentsVehicle Maintenance10 · 1 OOS
395.8 Record of duty status (log / ELD) not current or missingHOS Compliance9 · 5 OOS
393.75 Tires (defective / underinflated / worn)Vehicle Maintenance9 · 8 OOS
396.5 Oil and/or grease leakVehicle Maintenance8 · 3 OOS
393.9 Inoperative required lampsVehicle Maintenance8 · 1 OOS
395.30 ELD — use / data transferHOS Compliance7 · 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: Active
Broker: None

Insurance & bonds

BIPD / liability$750,000 in force

Cargo filing (census)Not recorded per census

Surety bond (census)Not recorded per census

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

$750K in forcegeneral-freight federal minimum

$750K floor

Filed BIPD coverage of $750K 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 ’26 · 4 insurers · 0 lapsesInsurer churn

Wesco’16–’18

United Specialty’18–’23

Southlake Specialty’23–’26

2015201820212024now

Shorter eras are too brief to label at this scale — all 4 insurers are named in the list below.

BIPD in force — $750,000 · SPINNAKER SPECIALTY INSURANCE COMPANY · since Jan 2026

All 4 insurer eras · dates, limits, renewals

Insurer	Period	Limit	Renewals
SOUTHLAKE SPECIALTY INSURANCE COMPANY	Jan 2023 → Jan 2026	$750K	3
UNITED SPECIALTY INSURANCE COMPANY	Jan 2018 → Jan 2023	$750K	5
WESCO INSURANCE COMPANY	Jan 2016 → Jan 2018	$750K	2
CASTLEPOINT NATIONAL INSURANCE CO	Jan 2015 → Jan 2016	$750K	1

Explore full authority & insurance record

Equipment & fleet

VIN-decoded · NHTSA vPIC

Capacity· power units = haulable capacity; trailers are towed

Registered power units (MCS-150): 14
Observed power (24 mo): 18
Trailers (towed): 37

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

Fleet age· model years · decoded VINs

9.5 yr

Average age

2021

Newest model yr

2012

Oldest model yr

87.5%

VINs decoded

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

Operations & lanes

Revealed by inspection density across 14 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusMulti-region

revealed

States observed

US states

Inspections · 24 mo

CA busiest

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

Home base

WALNUT, CA

20510 BIND COURT

Top corridor

CA 24 · AR 14 · AL 4

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: 14 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 2343513 USDOT 2969676 USDOT 3783566 USDOT 4074483Some overlap is legitimate (leased or sold equipment); review alongside the other signals.

Show all-time history (44 trucks · 15 carriers)

Across all inspections on record: USDOT 2969676 USDOT 3666481 USDOT 3783566 USDOT 4074483 USDOT 2343513 USDOT 2496602 USDOT 3570669 USDOT 3757932

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 & contact

FMCSA census + L&I dossier

Location

Physical address: 20510 BIND COURT, WALNUT, CA, 91789
Operation: Interstate

Contact

Phone: (626) 818-8998
Email: diamondplustrans@gmail.com

Registration

Officer: Peiyu Zhao
USDOT / docket: 2574313 · MC-900164
First registered: Jan 23, 2015
Last MCS-150: Jan 30, 2026 · 1,866,508 mi (2025)
FMCSA safety rating: Not rated
Recordable crash rate: 0.00
D-U-N-S: —

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

1,866,508

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

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

DIAMOND PLUS TRANSPORTATION INC (USDOT 2574313) has a Vektor safety score of 80/100 and a Review before loading verdict, from the carrier's FMCSA record refreshed Jun 13, 2026.

The carrier holds active contract for-hire operating authority per FMCSA L&I as of Jun 13, 2026.

It has an active BIPD insurance filing with a $750,000 limit in force from SPINNAKER SPECIALTY INSURANCE COMPANY effective Jan 30, 2026 in FMCSA L&I's current snapshot as of Jun 13, 2026.

Its vehicle out-of-service rate was 40.4% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Jun 13, 2026.

The carrier received 65 roadside inspections in the last 24 months — 47 vehicle-level and 61 driver-level — across 14 states, according to FMCSA roadside-inspection data refreshed Jun 13, 2026.

The carrier has 0 reportable crashes in the last 24 months and 0 fatal crashes across the full FMCSA crash record available as of Jun 13, 2026.

It reports 14 power units and 14 drivers in its most recent MCS-150 filing dated Jan 30, 2026.

It has no FMCSA-assigned safety rating in the federal record refreshed Jun 13, 2026.

Frequently asked

What is DIAMOND PLUS TRANSPORTATION INC's USDOT number?

DIAMOND PLUS TRANSPORTATION INC's USDOT number is 2574313, and its motor carrier number is MC-900164.

Is DIAMOND PLUS TRANSPORTATION INC authorized to operate?

As of Jun 13, 2026, DIAMOND PLUS TRANSPORTATION INC is active in the FMCSA register with common, contract, broker operating authority on file.

What is DIAMOND PLUS TRANSPORTATION INC's safety record?

DIAMOND PLUS TRANSPORTATION INC has a 40.4% vehicle out-of-service rate (national average 22.26%) across 95 roadside inspections, with 0 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 80/100 (tier: review).