Carrier profile · USDOT 3651099 · Updated Jun 13, 2026

KNOLL BROTHERS ENTERPRISES LLC

DBA RHINEHART EXCAVATING

14 power unitsavg 9.6 yrLocal · 1 statesDALLAS CENTER, IA100/100

AUTHORITY STATUS UNKNOWN

Observed fleet · trailing 24 mo daily

14Power units

9 observed · MCS-150

3Trailers seen

Decoded · vPIC

9.6Avg age (yr)

1999–2026 · vPIC

Call dispatch(515) 992-3888 Email dispatchrhinehartexc@gmail.COM

Click to see how we scored it

Load decision · FMCSA snapshot · Jun 13, 2026

Clear to load

Active authority and a clean federal record. No blocking issues found.

Established 5 yearsNo reported crashes

Watch · 0

Nothing flagged.

In good standing · 2

Established 5 yearsOperating authority has been on file since 2021.No reported crashesNo DOT-reportable crashes are on this carrier's record.

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo100.0%

Crashes · fatal

Clean · 24 mo

USDOT registration

yr registered

Authority not on file

Insurance (BIPD)— unknown

No filing on record

Vehicle OOS · 24-mo100.0%

Crashes · fatal

Clean · 24 mo

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

Fleet typeIdentity

Asset-based

14 power units. Brokers price each fleet type apart.

Fleet age vs peersTypical

9.6 yr

Model years 1999–2026 · peer benchmark unavailable.

Identity stabilityStable

5 yr unchanged

Same registration since 2021 — no chameleon / reincarnation signal.

Safety

11 inspections · 24 mo

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

Vehicle OOS 100.0%24-mo cumulative

050%

Driver OOS 0.0%24-mo cumulative

030%nat'l 6.67%

Every inspection in the window pooled — 1 vehicle and 11 driver inspections over 24 months.

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

10 inspections in the charted months · busiest month Aug '25 · 2

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

≈0.4 / unit·yr

thin signalabundant signal

Roadside-inspection volume is about what you'd expect for a 14-unit fleet — enough signal to read the safety record, though not a heavy sample.

Registered power units: 14
Inspections · 24 mo: 11
Annualized: ≈6 / yr
Coverage: ≈0.4 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 Driving11 · 0 OOS
393.75 Tires (defective / underinflated / worn)Vehicle Maintenance2 · 2 OOS
396.17 Periodic (annual) inspectionVehicle Maintenance2 · 0 OOS
391.11 Driver not qualifiedDriver Fitness1 · 1 OOS
392.80 Texting while drivingUnsafe Driving1 · 0 OOS

Explore full safety record — inspections, BASICs, crashes

Authority & insurance

Can they legally + adequately haul your load?

Insurance continuity· insurer · policy · lapses

No insurance filing history on record.

This timeline is the FMCSA filing history, and it ends at the most recent superseded filing — current policy status is not tracked here. Request a certificate of insurance to confirm active coverage before tendering.

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): 9
Trailers (towed): 3

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

Fleet age· model years · decoded VINs

9.6 yr

Average age

2026

Newest model yr

1999

Oldest model yr

8.3%

VINs decoded

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

Operations & lanes

Revealed by inspection density across 1 states · 24 mo

Operating footprint· revealed by roadside-inspection geography

Operating radiusLocal

revealed

States observed

US states

Inspections · 24 mo

IA busiest

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

Home base

DALLAS CENTER, IA

28143 240TH ST

Top corridor

IA 11

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

No shared-VIN flow in the last 12 months

None of this carrier's trucks were inspected under another USDOT in the last 12 months — any shared equipment is historical, not active.

Show all-time history (1 truck · 1 carriers)

Across all inspections on record: USDOT 734998

Capacity consistency· registered vs roadside-observed power units

Registered (MCS-150)

Observed (24 mo)

Shared w/ other carriers

Registered capacity materially exceeds what is observed roadside — the MCS-150 may be stale or the fleet under-utilized.

Explore the carrier network & VIN cross-links

Identity & contact

FMCSA census + L&I dossier

Location

Physical address: 28143 240TH ST, DALLAS CENTER, IA, 50063-8281
Mailing address: PO BOX 160, DALLAS CENTER, IA, 50063
Operation: Intrastate (Non-Hazmat)

Contact

Phone: (515) 992-3888
Email: rhinehartexc@gmail.com

Registration

Officer: Dan Knoll
USDOT / docket: 3651099
First registered: Jun 7, 2021
Last MCS-150: Sep 26, 2025 · 345,000 mi (2024)
FMCSA safety rating: Not rated
D-U-N-S: —

Fleet (self-reported · MCS-150)

Power units

Drivers

CDL drivers

345,000

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 KNOLL BROTHERS ENTERPRISES LLC.

KNOLL BROTHERS ENTERPRISES LLC (USDOT 3651099) has a Vektor safety score of 100/100 and a Clear to load verdict, from the carrier's FMCSA record refreshed Jun 13, 2026.

The carrier has an unknown current for-hire authority status because no FMCSA L&I authority row is available as of Jun 13, 2026.

It has an unknown current BIPD insurance status because no FMCSA L&I active-filing snapshot is available as of Jun 13, 2026.

Its vehicle out-of-service rate was 100.0% over the last 24 months, versus the 22.26% CVSA national average, from FMCSA roadside-inspection data refreshed Jun 13, 2026.

The carrier received 11 roadside inspections in the last 24 months — 1 vehicle-level and 11 driver-level — across 1 state, 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 12 drivers in its most recent MCS-150 filing dated Sep 26, 2025.

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

Frequently asked

What is KNOLL BROTHERS ENTERPRISES LLC's USDOT number?

KNOLL BROTHERS ENTERPRISES LLC's USDOT number is 3651099.

Is KNOLL BROTHERS ENTERPRISES LLC authorized to operate?

As of Jun 13, 2026, KNOLL BROTHERS ENTERPRISES LLC is active in the FMCSA register.

What is KNOLL BROTHERS ENTERPRISES LLC's safety record?

KNOLL BROTHERS ENTERPRISES LLC has a 100.0% vehicle out-of-service rate (national average 22.26%) across 15 roadside inspections, with 0 reportable crashes in the last 24 months, and is not currently rated by FMCSA. Vektor's computed risk score is 100/100 (tier: clear).