Total Complaints
5 filings
MACK CH600 · model year
5 NHTSA complaints for this specific cohort.
NHTSA overall rating
Not crash-tested
New Car Assessment Program
The 1997MACKCH600 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 1997 CH600 is structure:frame and members with 1 filings, followed by power train:automatic transmission (1) and engine and engine cooling:exhaust system:emission control:crankcase (pcv) (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 5 investigation files overlapping the 1997 CH600. 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 |
|---|---|
| STRUCTURE:FRAME AND MEMBERS | 1 |
| POWER TRAIN:AUTOMATIC TRANSMISSION | 1 |
| ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CRANKCASE (PCV) | 1 |
| ENGINE AND ENGINE COOLING:ENGINE | 1 |
| POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT | 1 |
CHASSIS HAS FAILED. CROSS MEMBERS HAD BROKEN. REAR END DIFFERENTIALS WERE SHATTERED & BORED THROUGH THE CASINGS & LEAKED OIL. ENGINE HEAD & INTAKE VALVE BROKE & CAME OUT THE EXHAUST. TRANSMISSION GEARS BROKE & COULD NOT BE SHIFTED.*AK *SLC
CHASSIS HAS FAILED. CROSS MEMBERS HAD BROKEN. REAR END DIFFERENTIALS WERE SHATTERED & BORED THROUGH THE CASINGS & LEAKED OIL. ENGINE HEAD & INTAKE VALVE BROKE & CAME OUT THE EXHAUST. TRANSMISSION GEARS BROKE & COULD NOT BE SHIFTED.*AK *SLC
CHASSIS HAS FAILED. CROSS MEMBERS HAD BROKEN. REAR END DIFFERENTIALS WERE SHATTERED & BORED THROUGH THE CASINGS & LEAKED OIL. ENGINE HEAD & INTAKE VALVE BROKE & CAME OUT THE EXHAUST. TRANSMISSION GEARS BROKE & COULD NOT BE SHIFTED.*AK *SLC
CHASSIS HAS FAILED. CROSS MEMBERS HAD BROKEN. REAR END DIFFERENTIALS WERE SHATTERED & BORED THROUGH THE CASINGS & LEAKED OIL. ENGINE HEAD & INTAKE VALVE BROKE & CAME OUT THE EXHAUST. TRANSMISSION GEARS BROKE & COULD NOT BE SHIFTED.*AK *SLC
CHASSIS HAS FAILED. CROSS MEMBERS HAD BROKEN. REAR END DIFFERENTIALS WERE SHATTERED & BORED THROUGH THE CASINGS & LEAKED OIL. ENGINE HEAD & INTAKE VALVE BROKE & CAME OUT THE EXHAUST. TRANSMISSION GEARS BROKE & COULD NOT BE SHIFTED.*AK *SLC
mDrive Transmission Failure to Disengage
Vehicle Roll Away
Failing 5th wheel attachment bolts
AIR COMPRESSOR DISCHARGE LINE
INTEGRAL HUB AND BEARING ASSEMBLY
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.