Ilmor Engineering
Phone (734) 456-3600Plymouth, MI
Find this carrier by: USDOT 355771 · 734-456-3600 · 7344563600 · Plymouth, MI
Carrier information from FMCSA records. See dates and record coverage. How to verify an FMCSA record.
- USDOT
- USDOT355771
- MC
- None
- Registered
- 1989 · 37 yrs
- Location
- Plymouth, MI
- MCS-150 filed
- Mar 13, 2026
USDOT registration
Active
Registration status; not operating authority
Authority record
No filing shown
Check current status in Motus
Insurance record
No filing shown
Does not establish uninsured status
Safety rating
Not rated
No safety rating available; not a safety verdict
Overview
The short version and the key numbers.
Ilmor Engineering is an active carrier and shipper based in Plymouth, MI, registered with FMCSA under USDOT 355771. Phone: (734) 456-3600. It reports 3 power units and 4 drivers on its MCS-150 (Mar 13, 2026). In the last 24 months it had 2 roadside inspections, a 50% vehicle out-of-service rate (national average 22.9%) and no reportable crashes in the available records.
USDOT 355771 was first registered with FMCSA on May 31, 1989 (37 years ago), and its most recent MCS-150 filing is dated Mar 13, 2026. Its vehicles were inspected 2 times on record, most recently on Jun 25, 2025, most often in IA.
Equipment on record
VIN = decoded from the carrier's vehicles · Inspection = seen at roadside inspections · MCS-150 = filed by the carrier
Dates behind this profile
- MCS-150 filing
- Mar 13, 2026
- Registration record changed
- Oct 24, 2026
- Latest inspection recorded
- Jun 25, 2025
- Latest crash recorded
- Not available
- Latest vehicle observation
- Jun 25, 2025
Each date applies to its own record. A registration change does not mean every filing changed. An inspection or vehicle observation describes that date, not continuous operation today.
USDOT registration and operating authority are different records. A crash entry records involvement, not a finding of fault. Missing information is not a clean safety record.
Not on file for USDOT 355771: connected companies.
Company details
Filed identity, officers, contacts and registration details.
Company identity & officers
- Company officer
- Thom Siebert
- Legal name
- Ilmor Engineering
- Organization
- Corporation
- Classification
- Private (Property)
- Registered as
- Carrier & Shipper
Registration & filings
- USDOT number
- 355771
- Docket numbers
- None on file
- Registered
- May 31, 1989 (37 yrs)
- D&B (DUNS)
- 625168463
- Last MCS-150
- Mar 13, 2026
- Usual MCS-150 schedule
- January 2027 (see temporary relief below)
- Operation
- Interstate
- Hazmat, as filed
- No
- Passenger carrier, as filed
- Not available
FMCSA currently provides additional time for biennial updates due on or after June 1, 2026 and suspends USDOT inactivation for those missed updates. The usual schedule above does not establish a violation. Read our update guide and the cited FMCSA notice (guidance checked October 20, 2026).
Carriers in Plymouth, MI
- USDOT registrations in Plymouth
- 510
- Currently active
- 303 (59%)
- One-truck operations
- 303 (59%)
- With for-hire authority
- 136 (27%)
- Registered in the last 12 months
- 12
From FMCSA census records as of Nov 8, 2026. This carrier reports 3 power units against a local average of 9.5.
Find this carrier by
- USDOT
- 355771
- D&B (DUNS)
- 625168463
- Phone
- (734) 456-3600734-456-36007344563600
- Fax
- (734) 456-3699734-456-36997344563699
- seibertt@ilmor.com
- Officers
- Thom Siebert
- Legal name
- Ilmor Engineering
- Address
- 43939 Plymouth Oaks Blvd, Plymouth, MI 48170
- VINs inspected under this USDOT
- 1Z9GG463XJN374263, 1FVACVDCX7HY20955, 4FGA42026DC125637, 1FT8W4DT5JEB34987, 56JTE262XFA139802
Available registration and contact identifiers. Vehicle identifiers below are a recent sample; open a VIN or plate to see its dated records.
Legitimacy check
A quick screen from public records. A flag is a reason to verify, not proof of wrongdoing.
- Pass: Not on the U.S. sanctions list
Name does not match the Treasury OFAC list.
- Pass: USDOT registration is active
FMCSA lists USDOT 355771 as active.
- No data: No authority filing shown
This is not a finding of unauthorized operation. Requirements depend on the operation; verify the current registration in Motus.
- Pass: No federal out-of-service orders
None on record for this USDOT.
- Pass: No prior revocation linked
No earlier revoked USDOT is linked to this one.
Authority & insurance
Stored filing details and guidance for checking current status.
FMCSA filing records
Authority, insurance and notice records can include earlier filings. Read each recorded status and effective date; a filing alone does not confirm current authority or insurance coverage. Missing records do not establish unauthorized operation or missing insurance.
Amounts are shown exactly as filed, without scaling or currency conversion. Confirm coverage and amounts with the insurer.
Operating authority
0 available records · FMCSA release date: Nov 8, 2026. The release date applies to this collection, not the effective date of every filing.
No matching filings available here. This does not establish that no filing exists.
Insurance filings
0 available records · FMCSA release date: Nov 8, 2026. The release date applies to this collection, not the effective date of every filing.
No matching filings available here. This does not establish that no filing exists.
Suspension and revocation notices
0 available records · FMCSA release date: Nov 8, 2026. The release date applies to this collection, not the effective date of every filing.
No matching filings available here. This does not establish that no filing exists.
Insurance history
0 available records · FMCSA release date: Nov 8, 2026. The release date applies to this collection, not the effective date of every filing.
No matching filings available here. This does not establish that no filing exists.
Earlier FMCSA filing records
These records may omit later filings. Their presence does not establish current authority or coverage. Missing records do not establish that a carrier is unauthorized or uninsured. Check current records in FMCSA Motus, then confirm coverage directly with the insurer. Follow the verification guide and its FMCSA sources. Guidance checked October 20, 2026.
Safety
FMCSA's rating and how this carrier compares with the national average.
Safety rating
- Rating
- Not rated
- Driver inspections (24 mo)
- 2 (0 out of service)
- Vehicle inspections (24 mo)
- 2 (1 out of service)
Out-of-service rates (24 months)
FMCSA BASICs
| Category | Percentile | Measure | Inspections with violation | Acute / critical | Alert |
|---|---|---|---|---|---|
| Unsafe Driving | Not public | 0 | 0 | No | Not available |
| Hours-of-Service | Not public | 3.66 | 3 | No | Not available |
| Driver Fitness | Not public | 0 | 0 | No | Not available |
| Controlled Substances | Not public | 0 | 0 | No | Not available |
| Vehicle Maintenance | Not public | 3.33 | 2 | No | Not available |
Percentile: 0 is best, 100 is worst. FMCSA flags an alert above its threshold (65–80% depending on category). Some property-carrier percentiles are not public.
Most-cited violations, in plain English
| Code | Times | Out of service |
|---|---|---|
| 395.30B1-ELDDFR | 2 | 0 |
| 390.21TB | 1 | 0 |
| 390.21TB2-DOT | 1 | 0 |
| 392.2-SLLIFTA | 1 | 0 |
| 392.2RG | 1 | 0 |
| 393.43DBMA | 1 | 1 |
Inspections & crashes
Roadside inspections and reportable crashes in the last 24 months.
Inspection, violation and out-of-service counts: FMCSA 24-month inspection record, as of Nov 8, 2026.
Most recent
- Last inspection
- Jun 25, 2025
Latest inspections
| Date | Inspection ID | State | Location | Level | Driver viol. / OOS | Vehicle viol. / OOS | Violations |
|---|---|---|---|---|---|---|---|
| Jun 25, 2025 | 85108248 | NY | Slate Hill Ny | Walk-around (Level 2) | 0 / 0 | 0 / 1 | 6 violations
|
| Jun 22, 2025 | 85091320 | IA | 39 - I35 Sb Mm 212 Northwood | Walk-around (Level 2) | 2 / 0 | 2 / 0 | 4 violations
|
Latest crashes
A roadside out-of-service finding applies to the inspected driver or vehicle; it is different from a federal order against the carrier. Crash involvement does not determine fault or preventability. Counts cover the stated reporting period, not the carrier’s entire history.
Where its vehicles were inspected
| State | Inspections | With OOS |
|---|---|---|
| IA · Iowa | 1 | 0 |
| NY · New York | 1 | 1 |
The states where FMCSA recorded roadside inspections for this USDOT. A rough picture of where the fleet runs, not a list of lanes.
Fleet & drivers
Filed fleet and driver counts, cargo types, and vehicles observed at inspections.
Vehicles filed on the MCS-150
| Vehicle | Owned | Term leased | Trip leased |
|---|---|---|---|
| Trucks | 0 | 1 | 0 |
| Tractors | 1 | 1 | 0 |
| Trailers | 3 | 0 | 0 |
Drivers
- Total drivers
- 4
- CDL drivers
- 4
- Interstate, over 100 mi
- 4
- Interstate, within 100 mi
- 0
- Intrastate, over 100 mi
- 0
- Intrastate, within 100 mi
- 0
- Leased drivers / month
- Not available
Operations
- Power units
- 3
- Trucks
- 3
- Buses
- 0
- Annual miles
- 140,000 (2025)
- Seen at inspections
- 2 trucks · 3 trailers
Vehicles inspected under this USDOT
| VIN | Year | Make & model | Type | Plate | Inspections | Last seen | Violations / OOS |
|---|---|---|---|---|---|---|---|
| 1Z9GG463XJN374263 | 2018 | Intech Trailers inTech Trailers | Semi-Trailer | D780452 MI | 1 | Jun 25, 2025 | 0 / 0 |
| 1FVACVDCX7HY20955 | 2007 | Freightliner M2 | Truck Tractor | 3572426 IN | 1 | Jun 25, 2025 | 3 / 1 |
| 4FGA42026DC125637 | 2013 | Featherlite Trailers Featherlite Trailers | Semi-Trailer | C442685 MI | 1 | Jun 22, 2025 | 0 / 0 |
| 1FT8W4DT5JEB34987 | 2018 | Ford F-450 | Straight Truck | 3448064 IN | 2 | Jun 22, 2025 | 4 / 0 |
| 56JTE262XFA139802 | 2015 | United Trailers United Trailers | Semi-Trailer | C442685 MI | 1 | Oct 2, 2024 | 0 / 0 |
Vehicles recorded at roadside inspections under this USDOT (the carrier operated them; this is not a record of ownership). Open a VIN or plate for its dated carrier associations and available history. Plates can change or be reassigned. Vehicle details reflect filed records and available VIN decoding; these observations are not a complete fleet or ownership history.
Equipment evidence
- Straight TruckInspection 1 straight truck recorded at roadside inspections
- Tractor-TrailerInspection 1 truck tractor and 3 semi-trailers recorded at roadside inspections (trailer body type not decoded)
Cargo carried, as filed
Changes & history
Dated changes, earlier values and filing history for this registration.
Timeline of this registration
- Record updated: safety grade C → D.
- MCS-150 filing on record.
- Most recent vehicle recorded at a roadside inspection.
- Most recent roadside inspection on file.
- Earliest roadside inspection on file.
- First vehicle recorded at a roadside inspection under this USDOT.
- Registered with FMCSA as USDOT 355771.
Dates come from FMCSA filings and inspection records as filed; a filing date is when FMCSA recorded it, not when an event happened on the road.
Recent changes to the record
| Date | Field | Before | After |
|---|---|---|---|
| Oct 8, 2026 | Safety grade | C | D |
MCS-150 filings on record
- MCS-150 filed
Registration
- First registered with FMCSA
- May 31, 1989
- Last MCS-150 update
- Mar 13, 2026
Questions & answers
Quick answers, written from this carrier's FMCSA record.
Is Ilmor Engineering an active carrier?
The available FMCSA record lists USDOT 355771 as active. Registration is separate from operating authority and insurance coverage.
What is Ilmor Engineering's USDOT number?
USDOT 355771. No MC, MX or FF docket number is on file.
How do I contact Ilmor Engineering?
As filed with FMCSA: phone (734) 456-3600; fax (734) 456-3699; email seibertt@ilmor.com; address 43939 Plymouth Oaks Blvd, Plymouth, MI 48170.
What is Ilmor Engineering's safety rating?
No FMCSA safety rating is available here. Not rated does not mean safe or unsafe.
How many trucks and drivers does Ilmor Engineering have?
Power units: 3; drivers: 4, as filed on its MCS-150 (Mar 13, 2026).
What does Ilmor Engineering haul?
Its FMCSA filing lists these cargo types: general freight, motor vehicles, passengers, other, plus racing engines.
What equipment does Ilmor Engineering operate?
On government records: Straight Truck (1 straight truck recorded at roadside inspections); Tractor-Trailer (1 truck tractor and 3 semi-trailers recorded at roadside inspections (trailer body type not decoded)).
How many inspections and crashes has Ilmor Engineering had?
Inspections: 2; crashes recorded: 0, in the available 24-month records.
What is the usual MCS-150 update schedule for Ilmor Engineering?
The usual USDOT-digit schedule gives January 2027. The latest filing stored here is Mar 13, 2026. FMCSA currently gives extra time for biennial updates due on or after June 1, 2026 and has suspended inactivation for those missed updates. This calculated date is not a finding of noncompliance. Check the linked FMCSA notice for changes.
Reviews
From brokers, shippers and drivers who worked with this carrier.