VIN 54DK6S166MSG50434 — 2021 Isuzu (ISU) FTR
Recorded with Advanced Window Inc · USDOT 2933731
Vehicle identity
| VIN | 54DK6S166MSG50434 |
| Model year | 2021 |
| Make | Isuzu (ISU) |
| Model | FTR |
| Vehicle type | STRAIGHT TRUCK |
| License plate | MD 4GC7939 (Maryland) |
| Inspection window | 2024-12-20 to 2026-10-26 |
Recorded vehicle, plate and carrier history
These are dated observations in the records available to us. They do not establish ownership, a sale, a transfer date, or continuous use between observations. The latest observation may not describe today’s vehicle or carrier.
| Observed dates | VIN | Plate | Reported carrier |
|---|---|---|---|
| 2026-10-26 | 54DK6S166MSG50434 | MD 4GC7939 | ADVANCED WINDOW INC · USDOT 2933731 |
| 2026-03-31 | 54DK6S166MSG50434 | MD 1GK0178 | ADVANCED WINDOW INC · USDOT 2933731 |
Evidence: FMCSA inspection observations and retained snapshots of our vehicle records. Coverage is incomplete; an unreported change cannot be dated from these records.
Most recently recorded carrier for this vehicle
Advanced Window Inc Active
- USDOT
- 2933731
- MC
- —
- Status
- Active
- Type
- Motor Carrier
- Based in
- Frederick, MD
- Power units
- 1
- Drivers
- 1
- Inspections (24 mo)
- 5
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 20%
Carrier recorded at the latest inspection in the available records (2026-10-26). This does not establish current ownership or confirm that the carrier still operates this vehicle.
View full carrier profile →Authority, insurance & bonds, safety scores, crash history, inspections and the full fleet list.What this means
54DK6S166MSG50434 is a 2021 Isuzu FTR operated by Advanced Window Inc (USDOT 2933731). License plate on its inspection records: MD 4GC7939. 5 roadside inspections on FMCSA record. 2 out-of-service results on record.
What this VIN is
2021 Isuzu FTR is the vehicle NHTSA’s VIN registry returns for 54DK6S166MSG50434. It is a incomplete - chassis cab (single cab) built by THE SHYFT GROUP, INC. at the CHARLOTTE, MICHIGAN plant. Powertrain: 4HK1 - TC engine, 5.2L displacement, running on diesel. Its gross vehicle weight rating (Class 6: 19,501 - 26,000 lb (8,845 - 11,794 kg)) places it in Class 6 medium-duty (19,501–26,000 lb) — single-axle delivery and beverage trucks.
Roadside inspection & out-of-service record
This specific vehicle appears in 5 FMCSA roadside inspections between 2024-12-20 and 2026-10-26. Its records show 2 out-of-service violations across 5 inspections. Out-of-service breakdown: 2 vehicle. Its most recent inspection (2026-10-26) was in Maryland, a Level I — full inspection of the driver and the vehicle. Of 6 recorded violations, the most come from Vehicle Maintenance (5), followed by Unsafe Driving (1). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operator history
Operated by Advanced Window Inc (USDOT 2933731) from 2024-12-20 to 2026-10-26 — 5 inspections, 2 out-of-service.
Full spec sheet (NHTSA vPIC decode)
| Make | ISUZU |
| Model | FTR |
| Model Year | 2021 |
| Vehicle Type | INCOMPLETE VEHICLE NHTSA’s top-level vehicle category derived from the VIN. |
| Body Class | Incomplete - Chassis Cab (Single Cab) The body style NHTSA assigns from the VIN — e.g. truck-tractor, straight truck, or cutaway. |
| G V W R | Class 6: 19,501 - 26,000 lb (8,845 - 11,794 kg) Class 6 medium-duty (19,501–26,000 lb) — single-axle delivery and beverage trucks |
| Manufacturer | THE SHYFT GROUP, INC. The legal manufacturer of record in NHTSA’s database. |
| Plant City | CHARLOTTE Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | MICHIGAN |
| Plant Country | UNITED STATES (USA) |
| Engine Model | 4HK1 - TC The engine family installed at the factory — a major driver of resale value and parts availability. |
| Engine Configuration | In-Line Cylinder layout (e.g. inline-6), the dominant configuration in Class 8 diesels. |
| Engine Cylinders | 4 |
| Displacement L | 5.2 Engine displacement in liters — bigger generally means more torque for heavy loads. |
| Fuel Type Primary | Diesel Primary fuel — diesel dominates heavy trucking; CNG/electric change maintenance and range. |
| Brake System Type | Air Air vs hydraulic brakes — air brakes are standard on heavy trucks and require an endorsement. |
| Drive Type | 4x2 Axle drive configuration (e.g. 6x4), which affects traction and fuel economy. |
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Vehicle Maintenance | 5 | ⚠ High |
| Unsafe Driving | 1 | — Minor |
| Driver Fitness | 0 | ✓ Clean |
| Fatigued Driving (HOS) | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |
Operator & inspection history
Related
Frequently Asked Questions
What does VIN 54DK6S166MSG50434 decode to?
Why was 2021 Isuzu FTR VIN 54DK6S166MSG50434 placed out of service?
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