ARNOLD ZWERK & SONS INC

DBA ZWERK & SONS FARMS INC

USDOT 1540703 MC 892710 Vassar, MI Authorized For-Hire / Private Property
12 power units 12 drivers 1.2M mi/yr
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Marginal
FRED Score 38.2 / 100 The FRED Score (0–100, higher is better) compares this motor carrier's expected crash rate with that of similar fleets. It is an analytical opinion, not an FMCSA safety rating.
Low confidence
20 yrs history · 10 roadside inspections in 24 months
Scored Nov 8, 2026
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  • Expected crashes over the next 12 months, against similar fleets
  • What drives the grade: crash history and roadside record
  • Worth a closer look: the flags to ask about, with the questions
  • How it compares with similar fleets, per power unit and per mile
  • Cargo risk, and news reports linked to its crashes
  • How the grade is calculated, and its history week by week

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Fleet, registration and cargo

Fleet and equipment

Power units
12 all owned
Drivers · CDL
12 · 12
Annual miles
1.2M ~104k per unit
TypeOwnTermTripTotal
Trucks0000
Tractors120012
Trailers120012

Registration

Operation
Interstate
Authority type
Authorized For-Hire / Private Property
Registered
Aug 10, 2006 (20 yrs)
MCS-150 update
Feb 3, 2026
Officers
DAVID RUPPRECHT · MARTY ZWERK
Phone
(989) 823-7936
Email
zwerkandsons1@gmail.com
Address
7647 Sanilac Rd, Vassar MI 48768

Cargo

Cargo risk score FRED’s estimate from the commodities it hauls Log in

“General Freight” is a catch-all; the actual cargo mix and its risk may differ.

FMCSA status today

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Roadside and crash record

FMCSA record, Oct 2024 – Aug 2026
Crashes
3
0 fatal (0 deaths) · 2 injury · 2 people hurt in all · 3 tow-away
Inspections
10
50% clean (no violations)
Vehicle out-of-service
16.7%
1 of 6 vehicle inspections
Driver out-of-service
10.0%
1 of 10 driver inspections
Violations
9
2 out-of-service violations
Inspections per quarter With an out-of-service order
Q4 '24: 1 inspections, 1 out of service 1 Q4 '24 Q1 '25: 1 inspections, 0 out of service 1 Q1 '25 Q2 '25: 2 inspections, 0 out of service 2 Q2 '25 Q3 '25: 1 inspections, 1 out of service 1 Q3 '25 Q4 '25: 1 inspections, 0 out of service 1 Q4 '25 Q1 '26: 1 inspections, 0 out of service 1 Q1 '26 Q2 '26: 2 inspections, 0 out of service 2 Q2 '26 Q3 '26: 1 inspections, 0 out of service 1 Q3 '26
How it compares with similar fleets Crashes, inspections and violations per power unit and per mile, against fleets like this one Log in

Violations

9 on the FMCSA record, Oct 2024 – Aug 2026
  • Vehicle maintenance No alert
    4 · 1 out-of-service
    Brakes 2 · Lights 1 · Tires 1
  • Hours of service No alert
    3 · 0 out-of-service
    Logbook / ELD paperwork 2 · Over hours limit 1
  • Unsafe driving No alert
    1 · 0 out-of-service
    Other 1
  • Driver fitness No alert
    1 · 1 out-of-service
    No valid CDL 1
  • Drugs & alcohol No alert
    0
Out-of-service share of each category. “No alert” = under FMCSA's BASIC intervention threshold.

Violations by quarter

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Crashes

FMCSA record, Oct 2024 – Aug 2026 · crash reports through Sep 15, 2026
3 tow-away
  • Jun
    9
    2026
    Jun 9, 2026 · Minnesota
    Tow-away
    Daylight, two-way trafficway divided unprotected median.
  • Aug
    6
    2025
    Aug 6, 2025 · Michigan
    Injury · 1 person hurt
    Daylight, two-way trafficway divided unprotected median.
  • Mar
    26
    2025
    Mar 26, 2025 · Minnesota
    Injury · 1 person hurt
    Dark - not lighted, two-way trafficway divided unprotected median. Citation issued.

Insurance filed with FMCSA

FMCSA record through May 14, 2026 · no change recorded by FMCSA since
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On FMCSA's filing record
Last on FMCSA's record (May 14, 2026)
$1,000,000 · FARM BUREAU MUTUAL INSURANCE COMPANY OF MI
on record since Jan 8, 2019 · FMCSA minimum $750,000 · no gap on FMCSA's record since Nov 2014
Cargo filing
not required by FMCSA (household-goods motor carriers only); the cargo policy is not on FMCSA's record
36 months to May 14, 2026
  • One liability insurer throughout
  • No gap in filed liability coverage while liability was required
Authority events and every filing FMCSA’s full filing record back to the 1990s, and who else this insurer covers Log in

FMCSA filings only, not a policy audit. Not part of the FRED grade. Wrong or out of date?

Where it operates

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Map: inspections and crashes from FMCSA's weekly files over 24 months.

Inspections by state
  • Michigan (HQ) 6
  • Minnesota 3
  • Indiana 1
How this grade is calculated, and its history The model behind the grade: factors, credibility, peer group and the score week by week Log in