VIN 1GT49RE79MF103549 — 2021 Chevrolet Sierra
Recorded with Back And Forth Operations Llc · USDOT 4471017
Vehicle identity
| VIN | 1GT49RE79MF103549 |
| Model year | 2021 |
| Make | Chevrolet |
| Model | Sierra |
| Vehicle type | STRAIGHT TRUCK |
| License plate | MI DZK7680 (Michigan) |
| Inspection window | 2025-11-21 to 2026-01-15 |
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 |
|---|---|---|---|
| 2026-01-15 | 1GT49RE79MF103549 | MI DZK7680 | BACK AND FORTH OPERATIONS LLC · USDOT 4471017 |
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
Back And Forth Operations Llc Active
- USDOT
- 4471017
- MC
- 1764586
- Status
- Active
- Type
- Motor Carrier
- Based in
- Chesaning, MI
- Power units
- 1
- Drivers
- 2
- Inspections (24 mo)
- 4
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 0%
Carrier recorded at the latest inspection in the available records (2026-01-15). 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
1GT49RE79MF103549 is a 2021 Chevrolet Sierra operated by Back And Forth Operations Llc (USDOT 4471017). License plate on its inspection records: MI DZK7680. 3 roadside inspections on FMCSA record. 3 out-of-service results on record.
What this VIN is
2021 Chevrolet Sierra is the vehicle NHTSA’s VIN registry returns for 1GT49RE79MF103549. It is a pickup built by GENERAL MOTORS LLC at the FLINT, MICHIGAN plant. Powertrain: L8T - SIDI, VVT, CAST IRON engine, 6.6L displacement, running on gasoline. 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 3 FMCSA roadside inspections between 2025-11-21 and 2026-01-15. Its records show 3 out-of-service violations across 3 inspections. Out-of-service breakdown: 3 driver. Its most recent inspection (2026-01-15) was in Pennsylvania, a Level III — driver and paperwork only. Of 13 recorded violations, the most come from Fatigued Driving (HOS) (7), followed by Vehicle Maintenance (5). Fatigued Driving (HOS) covers hours-of-service limits and logbook / ELD records.
Operator history
Operated by Back And Forth Operations Llc (USDOT 4471017) from 2025-11-21 to 2026-01-15 — 3 inspections, 3 out-of-service.
Full spec sheet (NHTSA vPIC decode)
| Make | GMC |
| Model | Sierra |
| Model Year | 2021 |
| Series | 2500 |
| Trim | Denali |
| Vehicle Type | TRUCK NHTSA’s top-level vehicle category derived from the VIN. |
| Body Class | Pickup 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 | L8T - SIDI, VVT, CAST IRON The engine family installed at the factory — a major driver of resale value and parts availability. |
| Engine Cylinders | 8 |
| Displacement L | 6.6 Engine displacement in liters — bigger generally means more torque for heavy loads. |
| Fuel Type Primary | Gasoline 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 | 4 |
FMCSA BASIC safety category breakdown
| BASIC Category | Violations | Status |
|---|---|---|
| Fatigued Driving (HOS) | 7 | ⚠ High |
| Vehicle Maintenance | 5 | ⚠ High |
| Driver Fitness | 1 | — Minor |
| Unsafe Driving | 0 | ✓ Clean |
| Controlled Substances | 0 | ✓ Clean |
| Hazmat | 0 | ✓ Clean |
Operator & inspection history
Related vehicles
- 46UDF3223T1304297 UNPUBLISHE (4 insp)
- 1GC4KTEY7TF206283 Chevrolet (1 insp)
Related
Frequently Asked Questions
What does VIN 1GT49RE79MF103549 decode to?
Why was 2021 Chevrolet Sierra VIN 1GT49RE79MF103549 placed out of service?
What license plate is on VIN 1GT49RE79MF103549?
Vetting a used truck purchase?
Tell us what you're looking for and we'll send matching new or used trucks — no obligation.