VIN 4KNBF3620SL160812 — 2025 TOWR Monroe Towmaster
Recorded with Pinnacle Power Services Inc · USDOT 2711051
Vehicle identity
| VIN | 4KNBF3620SL160812 |
| Model year | 2025 |
| Make | TOWR |
| Model | Monroe Towmaster |
| Vehicle type | SEMI-TRAILER |
| License plate | CA 4WX7659 (California) |
| Inspection window | 2025-11-04 to 2026-03-25 |
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 |
|---|---|---|---|
| 2026-03-25 | 4KNBF3620SL160812 | CA 4WX7659 | PINNACLE POWER SERVICES INC · USDOT 2711051 |
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
Pinnacle Power Services Inc Active
- USDOT
- 2711051
- MC
- —
- Status
- Active
- Type
- Motor Carrier
- Based in
- Vallejo, CA
- Power units
- 174
- Drivers
- 169
- Inspections (24 mo)
- 44
- Crashes (24 mo)
- 1
- Vehicle OOS rate
- 26.7%
Carrier recorded at the latest inspection in the available records (2026-03-25). 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
4KNBF3620SL160812 is a 2025 TOWR Monroe Towmaster operated by Pinnacle Power Services Inc (USDOT 2711051). License plate on its inspection records: CA 4WX7659. 3 roadside inspections on FMCSA record. No out-of-service violations are recorded for this VIN in the available inspection records. Other violations may still be present.
What this VIN is
2025 TOWR Monroe Towmaster is the vehicle NHTSA’s VIN registry returns for 4KNBF3620SL160812. It is a trailer built by MONROE TOWMASTER, LLC at the LITCHFIELD, MINNESOTA plant. Powertrain: running on not applicable, paired with a not applicable transmission.
Roadside inspection & out-of-service record
This specific vehicle appears in 3 FMCSA roadside inspections between 2025-11-04 and 2026-03-25. Across those inspections it was never placed out of service. Its most recent inspection (2026-03-25) was in California, a Level III — driver and paperwork only. No violations were recorded against this vehicle in our inspection window.
Operator history
Operated by Pinnacle Power Services Inc (USDOT 2711051) from 2025-11-04 to 2026-03-25 — 3 inspections, none out of service.
Full spec sheet (NHTSA vPIC decode)
| Make | MONROE TOWMASTER |
| Model | Monroe Towmaster |
| Model Year | 2025 |
| Vehicle Type | TRAILER NHTSA’s top-level vehicle category derived from the VIN. |
| Body Class | Trailer The body style NHTSA assigns from the VIN — e.g. truck-tractor, straight truck, or cutaway. |
| Manufacturer | MONROE TOWMASTER, LLC The legal manufacturer of record in NHTSA’s database. |
| Plant City | LITCHFIELD Where the chassis was assembled — useful for verifying the VIN against the build record. |
| Plant State | MINNESOTA |
| Plant Country | UNITED STATES (USA) |
| Axles | 2 Number of axles — ties directly to weight limits and toll/registration class. |
Operator & inspection history
Related vehicles
- 3ALDCXFC5RDVF6618 FRTV (2 insp · 3 OOS)
- 3C7WRNFL1PG582696 Ram (2 insp · 2 OOS)
- 1FVDCXFC5KHKC1780 FRTV (1 insp · 2 OOS)
- 3ALHCYFE8RDUT6583 Freightliner (5 insp · 1 OOS)
- 2NP8LJ0X1SM765875 Peterbilt (2 insp · 1 OOS)
- 1GB4YSEY4RF171692 Chevrolet (1 insp · 1 OOS)
Related
Frequently Asked Questions
What does VIN 4KNBF3620SL160812 decode to?
Does VIN 4KNBF3620SL160812 have a clean inspection record?
What license plate is on VIN 4KNBF3620SL160812?
Vetting a used truck purchase?
Tell us what you're looking for and we'll send matching new or used trucks — no obligation.