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Vehicle Detail

VIN 1XP5D4EX95D846021 — 2005 Peterbilt 379

Recorded with Mountainside Power Llc · USDOT 3999093

2 recalls apply

Vehicle identity

VIN1XP5D4EX95D846021
Model year2005
MakePeterbilt
Model379
Vehicle typeTRUCK TRACTOR
License plateND 172ERW (North Dakota)
Last inspected2026-02-26

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.

Earliest and latest dates below are observations we have retained, not registration dates.
Observed datesVINPlateReported carrier
2026-02-261XP5D4EX95D846021ND 172ERWMOUNTAINSIDE POWER LLC · USDOT 3999093

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

Mountainside Power Llc Active

USDOT
3999093
MC
1502499
Status
Active
Type
Motor Carrier
Based in
Afton, WY
Power units
22
Drivers
50
Inspections (24 mo)
5
Crashes (24 mo)
1
Vehicle OOS rate
100%

Carrier recorded at the latest inspection in the available records (2026-02-26). 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.
VIN
1XP5D4EX95D846021
Year/Make
2005 Peterbilt
Inspections
1
Open recalls
2
O Trucking From the O Trucking network Free DOT / carrier lookup Search FMCSA carriers by USDOT, MC, or company name. Look up DOT

What this means

1XP5D4EX95D846021 is a 2005 Peterbilt 379 operated by Mountainside Power Llc (USDOT 3999093). License plate on its inspection records: ND 172ERW. 1 roadside inspection on FMCSA record. 2 out-of-service results on record. 2 NHTSA recalls match the year/make/model.

What this VIN is

2005 Peterbilt 379 is the vehicle NHTSA’s VIN registry returns for 1XP5D4EX95D846021. It is a truck-tractor built by PETERBILT MOTORS COMPANY at the DENTON, TEXAS plant. Powertrain: ISX engine, 15L displacement, running on diesel. Its gross vehicle weight rating (Class 8: 33,001 lb and above (14,969 kg and above)) places it in Class 8 heavy-duty (33,001 lb GVWR and above) — the line-haul tractor / heavy straight-truck tier.

Roadside inspection & out-of-service record

This specific vehicle appears in 1 FMCSA roadside inspection (most recent activity 2026-02-26). Its records show 2 out-of-service violations across 1 inspection. Out-of-service breakdown: 2 vehicle. Its most recent inspection (2026-02-26) was in South Dakota, 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 Mountainside Power Llc (USDOT 3999093) on 2026-02-26 — 1 inspection, 2 out-of-service.

Recalls & owner complaints

2 NHTSA safety recalls have been issued for the 2005 Peterbilt 379 platform. The most recent, 08V099000, concerns paccar is recalling 130 my 2005-2007 kenworth c500, t800, w900, and peterbilt models 357 and 379 tractor trailers equipped with fabco slack … Recalls are issued by make/model/year and may cover only a specific build range, so a match here does not confirm this exact VIN was included.

Full spec sheet (NHTSA vPIC decode)
MakePETERBILT
Model379
Model Year2005
Vehicle TypeTRUCK
NHTSA’s top-level vehicle category derived from the VIN.
Body ClassTruck-Tractor
The body style NHTSA assigns from the VIN — e.g. truck-tractor, straight truck, or cutaway.
G V W RClass 8: 33,001 lb and above (14,969 kg and above)
Class 8 heavy-duty (33,001 lb GVWR and above) — the line-haul tractor / heavy straight-truck tier
ManufacturerPETERBILT MOTORS COMPANY
The legal manufacturer of record in NHTSA’s database.
Plant CityDENTON
Where the chassis was assembled — useful for verifying the VIN against the build record.
Plant StateTEXAS
Plant CountryUNITED STATES (USA)
Engine ModelISX
The engine family installed at the factory — a major driver of resale value and parts availability.
Engine ConfigurationIn-Line
Cylinder layout (e.g. inline-6), the dominant configuration in Class 8 diesels.
Engine Cylinders6
Displacement L15
Engine displacement in liters — bigger generally means more torque for heavy loads.
Fuel Type PrimaryDiesel
Primary fuel — diesel dominates heavy trucking; CNG/electric change maintenance and range.
Brake System TypeAir
Air vs hydraulic brakes — air brakes are standard on heavy trucks and require an endorsement.
Drive Type6x4
Axle drive configuration (e.g. 6x4), which affects traction and fuel economy.
FMCSA BASIC safety category breakdown
BASIC CategoryViolationsStatus
Vehicle Maintenance4! Moderate
Unsafe Driving0✓ Clean
Driver Fitness0✓ Clean
Fatigued Driving (HOS)0✓ Clean
Controlled Substances0✓ Clean
Hazmat0✓ Clean
Operator & inspection history
Operated by MOUNTAINSIDE POWER LLC (DOT 3999093)Last seen 2026-02-26
1 inspections · 2 OOS · 4 violations
Last inspected in South Dakota · Level II — walk-around inspection of the driver and the vehicle · Plate ND 172ERW
Related vehicles
Other vehicles operated by Mountainside Power Llc
2 recall(s) matching this make/model/year
NHTSA Campaign
08V099000

Issue: PACCAR IS RECALLING 130 MY 2005-2007 KENWORTH C500, T800, W900, AND PETERBILT MODELS 357 AND 379 TRACTOR TRAILERS EQUIPPED WITH FABCO SLACK ADJUSTERS ON SISU AXLES. THE SLACK ADJUSTERS MAY FAIL AS A RESULT OF A FATIGUE CRACK RENDERING THE SLACK ADJUSTER INOPERATIVE. THIS COULD REDUCE BRAKING EFFEC

Risk: REDUCTION IN BRAKING CAPACITY COULD INCREASE THE RISK OF A CRASH.

Fix: DEALERS WILL INSPECT AND REPLACE THE SLACK ADJUSTERS FREE OF CHARGE. THE RECALL BEGAN ON MARCH 21, 2008. OWNERS MAY CONTACT KENWORTH AT 1-425-828-5440 AND PETERBILT AT 1-940-591-4196.

NHTSA Campaign
05V189000

Issue: ON CERTAIN HEAVY DUTY CLASS 8 TRUCKS, THE SUSPENSION HAS TRANSVERSE BEAM CASTINGS THAT MAY FRACTURE UNDER NORMAL LOADS. IF A CASTING BREAKS WHEN THE VEHICLE IS TRAVELING ON A ROADWAY THERE IS THE POTENTIAL FOR PIECES OF THE CASTING TO BECOME PROJECTILES AND THE SUSPENSION'S TRANSVERSE BEAM MAY DROP

Risk: THIS COULD CAUSE SPARKS THAT COULD POTENTIALLY IGNITE AND CAUSE A FIRE.

Fix: DEALERS WILL INSPECT AND REPLACE THE DEFECTIVE TRANSVERSE BEAM ASSEMBLIES FREE OF CHARGE. THE RECALL BEGAN ON JUNE 10, 2005, WITH LETTERS BEING MAILED TO PETERBILT OWNERS; AND ON JUNE 17, 2005, FOR KENWORTH OWNERS. OWNERS MAY CONTACT PETERBILT AT 9

Related

Frequently Asked Questions

What does VIN 1XP5D4EX95D846021 decode to?
VIN 1XP5D4EX95D846021 decodes to a 2005 Peterbilt 379 — body: Truck-Tractor; GVWR: Class 8: 33,001 lb and above (14,969 kg and above); engine: ISX; fuel: Diesel.
Why was 2005 Peterbilt 379 VIN 1XP5D4EX95D846021 placed out of service?
This vehicle has 2 out-of-service violations across 1 inspection. By type: 2 vehicle. Most of its violations are in Vehicle Maintenance (4), which covers brakes, lights, tires, load securement and other mechanical condition items.
Are there recalls on VIN 1XP5D4EX95D846021?
2 NHTSA recalls match the 2005 Peterbilt 379 make/model/year, summarized above with the defect and remedy. Recalls apply by build range, so enter this exact VIN at nhtsa.gov/recalls to confirm whether it was included and whether the fix was performed.
What license plate is on VIN 1XP5D4EX95D846021?
FMCSA inspection records list plate for this vehicle: ND 172ERW (North Dakota).

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