VIN 1GD39SEY4MF275608 — 2021 GMC Sierra
Recorded with Jm Mechanical Llc · USDOT 848815
Vehicle identity
| VIN | 1GD39SEY4MF275608 |
| Model year | 2021 |
| Make | GMC |
| Model | Sierra |
| Vehicle type | STRAIGHT TRUCK |
| License plate | UT 5P5XS (Utah) |
| Inspection window | 2024-10-03 to 2025-03-19 |
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 |
|---|---|---|---|
| 2025-03-19 | 1GD39SEY4MF275608 | UT 5P5XS | JM MECHANICAL LLC · USDOT 848815 |
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
Jm Mechanical Llc Active
- USDOT
- 848815
- MC
- 514976
- Status
- Active
- Type
- Carrier & Shipper
- Based in
- N Logan, UT
- Power units
- 57
- Drivers
- 72
- Inspections (24 mo)
- 4
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 100%
Carrier recorded at the latest inspection in the available records (2025-03-19). 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
1GD39SEY4MF275608 is a 2021 GMC Sierra operated by Jm Mechanical Llc (USDOT 848815). License plate on its inspection records: UT 5P5XS. 2 roadside inspections on FMCSA record. 1 out-of-service result on record.
What this VIN is
2021 GMC Sierra is the vehicle NHTSA’s VIN registry returns for 1GD39SEY4MF275608. It is a incomplete - chassis cab (single cab) built by GENERAL MOTORS LLC at the FLINT, MICHIGAN plant. Powertrain: L5P - DI, DURAMAX, GEN 5 VAR. 1 engine, 6.6L displacement, running on diesel. Its gross vehicle weight rating (Class 3: 10,001 - 14,000 lb (4,536 - 6,350 kg)) places it in Class 3 light-heavy (10,001–14,000 lb).
Roadside inspection & out-of-service record
This specific vehicle appears in 2 FMCSA roadside inspections between 2024-10-03 and 2025-03-19. Its records show 1 out-of-service violation across 2 inspections. Out-of-service breakdown: 1 vehicle. Its most recent inspection (2025-03-19) was in Montana, a Level I — full inspection of the driver and the vehicle. Of 1 recorded violation, the most come from Vehicle Maintenance (1). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operator history
Operated by Jm Mechanical Llc (USDOT 848815) from 2024-10-03 to 2025-03-19 — 2 inspections, 1 out-of-service.
Full spec sheet (NHTSA vPIC decode)
| Make | GMC |
| Model | Sierra |
| Model Year | 2021 |
| Series | 3500 |
| Trim | Fleet/Base |
| 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 3: 10,001 - 14,000 lb (4,536 - 6,350 kg) Class 3 light-heavy (10,001–14,000 lb) |
| Manufacturer | GENERAL MOTORS LLC The legal manufacturer of record in NHTSA’s database. |
| Plant City | FLINT Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | MICHIGAN |
| Plant Country | UNITED STATES (USA) |
| Engine Model | L5P - DI, DURAMAX, GEN 5 VAR. 1 The engine family installed at the factory — a major driver of resale value and parts availability. |
| Engine Configuration | V-Shaped Cylinder layout (e.g. inline-6), the dominant configuration in Class 8 diesels. |
| Engine Cylinders | 8 |
| Displacement L | 6.6 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 | Hydraulic Air vs hydraulic brakes — air brakes are standard on heavy trucks and require an endorsement. |
| Drive Type | 4WD/4-Wheel Drive/4x4 Axle drive configuration (e.g. 6x4), which affects traction and fuel economy. |
| Doors | 2 |
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Vehicle Maintenance | 1 | — Minor |
| Unsafe Driving | 0 | ✓ Clean |
| Driver Fitness | 0 | ✓ Clean |
| Fatigued Driving (HOS) | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |
Operator & inspection history
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Frequently Asked Questions
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