Total Complaints
5 filings
FREIGHTLINER FLD120 · model year
5 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 2001FREIGHTLINERFLD120 carries 5 consumer safety complaints in NHTSA's Office of Defects Investigation database for this specific model-year cohort. Within that volume, owners reported 0 crashes, 0 fires, 0 injuries, and 0 fatalities. No NCAP 5-star crash-test rating is available for this model year in the federal database.
Component-level analysis is where model-year complaints become actionable: the top complaint category for the 2001 FLD120 is engine and engine cooling:engine:diesel with 2 filings, followed by suspension:rear:springs:leaf spring assembly:hanger/bracket (1) and suspension:front:springs:leaf spring assembly:hanger,bracket (1). Concentration in one or two component groups is the classic signature of a systemic defect; a flat distribution usually reflects normal aging, warranty complaints, or isolated build-plant variability.
NHTSA currently has 38 investigation files overlapping the 2001 FLD120. Owners comparing this cohort against neighboring years should pair the counters above with the complaint-by-year trend on the parent model page — a spike in a single year often tracks to a platform refresh, a new transmission supplier, or an updated ECU calibration. Use the related-complaint feed below to read raw owner narratives before deciding whether any pattern here affects your specific use case.
Total Complaints
5 filings
Crashes Reported
0 reports
Source
NHTSA ODI
Federal complaints database
At or below the fleet median complaint volume.
| Component | Count |
|---|---|
| ENGINE AND ENGINE COOLING:ENGINE:DIESEL | 2 |
| SUSPENSION:REAR:SPRINGS:LEAF SPRING ASSEMBLY:HANGER/BRACKET | 1 |
| SUSPENSION:FRONT:SPRINGS:LEAF SPRING ASSEMBLY:HANGER,BRACKET | 1 |
| POWER TRAIN | 1 |
TL* THE CONTACT OWNS A 2001 FREIGHTLINER FLD120. THE CONTACT STATED THAT WHILE DRIVING APPROXIMATELY 55 MPH AND SHIFTING INTO HIGH GEAR, THE VEHICLE WOULD NOT RESPOND AND WOULD PERFORM SLUGGISHLY. THE VEHICLE WAS TAKEN TO THE DEALER WHERE THEY ADVISED THE CONTACT THAT THE HIGH RANGE PERFORMING BOX NEEDED TO BE REPLACED. THE VEHICLE WAS NOT REPAIRED. THE MANUFACTURER WAS CONTACTED AND THEY OFFERED NO ASSISTANCE. THE FAILURE MILEAGE WAS APPROXIMATELY 25,000. THE VIN WAS UNAVAILABLE.
Mileage: 25,000
2001 FREIGHTLINER FLD120 SEMI TRACTOR ENGINE FAILED AND CAUSED OIL AND DEBRIS TO LEAK ONTO THE ROADWAY. ANOTHER MOTORIST RAN OVER THE OIL AND DEBRIS. *BF THE SEMI HAD A HOLE IN THE LEFT FRONT OIL PAN. OHIO TRAFFIC CRASH REPORT # 10-0654-90. *JB UPDATED 04/14/10 *BF
CONSUMER RECEIVED A SAFETY CAMPAIGN NOTICE ON 11/24/2003 FROM THE MANUFACTURER ABOUT A FUEL LEAK IN THE ENGINE. *AK
Mileage: 115,321
AXLE #1 LEFT SIDE FRONT HANGER IS LOOSE CAUSING AXLE TO SHIFT. NLM
THE FRONT SPRING HANGAR IS LOOSE ON THE FRAME, THIS IS CAUSING THE AXLE TO SHIFT. *SLC
EVDM connector plate separation
Halogen Headlights May Cause Fires
Trolley bus circuit breaker fires
Rear Wheel Speed Sensor Failure
Intermittent Loss of Power Steering Assist
Data as of 2025. Sources: NHTSA Office of Defects Investigation (ODI) complaints database, NHTSA recall campaign API, NHTSA NCAP crash-test ratings, and NHTSA FARS for fatality cross-reference.
Read our methodology — how this data is sourced, computed, and verified.