VIN 3WKMA77X7WF767821 — 1998 Kenworth T300
Recorded with Mb Builders And Development Llc · USDOT 2782395
Vehicle identity
| VIN | 3WKMA77X7WF767821 |
| Model year | 1998 |
| Make | Kenworth |
| Model | T300 |
| Vehicle type | STRAIGHT TRUCK |
| License plate | ID YJ3750 (Idaho) |
| Last inspected | 2025-04-29 |
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 |
|---|---|---|---|
| 2025-04-29 | 3WKMA77X7WF767821 | ID YJ3750 | MB BUILDERS AND DEVELOPMENT LLC · USDOT 2782395 |
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
Mb Builders And Development Llc Active
- USDOT
- 2782395
- MC
- —
- Status
- Active
- Type
- Motor Carrier
- Based in
- Hayden, ID
- Power units
- 4
- Drivers
- 4
- Inspections (24 mo)
- 3
- Crashes (24 mo)
- 0
- Vehicle OOS rate
- 66.7%
Carrier recorded at the latest inspection in the available records (2025-04-29). 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
3WKMA77X7WF767821 is a 1998 Kenworth T300 operated by Mb Builders And Development Llc (USDOT 2782395). License plate on its inspection records: ID YJ3750. 1 roadside inspection on FMCSA record. 1 out-of-service result on record.
What this VIN is
1998 Kenworth T300 is the vehicle NHTSA’s VIN registry returns for 3WKMA77X7WF767821. It is a truck-tractor built by KENWORTH TRUCK COMPANY at the MEXICALI, CALIFORNIA plant. Powertrain: 6CTA8.3 engine, 8.3L displacement, running on diesel. Its gross vehicle weight rating (Class 7: 26,001 - 33,000 lb (11,794 - 14,969 kg)) places it in Class 7 heavy-duty (26,001–33,000 lb) — large straight trucks, often requiring a CDL.
Roadside inspection & out-of-service record
This specific vehicle appears in 1 FMCSA roadside inspection (most recent activity 2025-04-29). Its records show 1 out-of-service violation across 1 inspection. Out-of-service breakdown: 1 hazmat. Its most recent inspection (2025-04-29) was in Idaho, a Level II — walk-around inspection of the driver and the vehicle. Of 4 recorded violations, the most come from Vehicle Maintenance (4). Vehicle Maintenance covers brakes, lights, tires, load securement and other mechanical condition items.
Operator history
Operated by Mb Builders And Development Llc (USDOT 2782395) on 2025-04-29 — 1 inspection, 1 out-of-service.
Full spec sheet (NHTSA vPIC decode)
| Make | KENWORTH |
| Model | T300 |
| Model Year | 1998 |
| Vehicle Type | TRUCK NHTSA’s top-level vehicle category derived from the VIN. |
| Body Class | Truck-Tractor The body style NHTSA assigns from the VIN — e.g. truck-tractor, straight truck, or cutaway. |
| G V W R | Class 7: 26,001 - 33,000 lb (11,794 - 14,969 kg) Class 7 heavy-duty (26,001–33,000 lb) — large straight trucks, often requiring a CDL |
| Manufacturer | KENWORTH TRUCK COMPANY The legal manufacturer of record in NHTSA’s database. |
| Plant City | MEXICALI Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | CALIFORNIA |
| Plant Country | UNITED STATES (USA) |
| Engine Model | 6CTA8.3 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 | 6 |
| Displacement L | 8.3 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 | 4 | ! Moderate |
| 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
What does VIN 3WKMA77X7WF767821 decode to?
Why was 1998 Kenworth T300 VIN 3WKMA77X7WF767821 placed out of service?
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