U.S. public vehicle records

Mack CH problems and owner complaints

Explore the records behind recurring owner reports.

Key facts

6 owner complaints analyzed

34 distinct recall campaigns

580,000 mi median reported failure mileage

Scope: 1987 to 2007 model years. Data updated: 2026-09-30 (September 30, 2026). 1 complaints include usable failure mileage. View data status.

This selection has limited data. It remains available for lookup but is excluded from search indexing.

Owner-reported patterns

Most common problems

Engine And Engine Cooling:Engine:Gasoline is the most frequently named component, appearing in 1 of 6 complaints (16.7%). A complaint can name multiple components.

Recurring terms in complaint narratives
Topic	Matching reports	Share of complaints
Transmission and shifting	1	16.7%
Fuel system concerns	1	16.7%

Topic matches use published keyword rules. They describe mentions, including negations or comparisons, and do not confirm a diagnosis. Read the matching rules.

Component breakdown

Number of unique complaints naming each component. Top eight shown.

Engine And Engine Cooling:Engine:Gasoline

Fuel System, Gasoline:Storage:Tank Assembly

Power Train:Axle Assembly

Power Train:Clutch Assembly

Power Train:Driveline:Driveshaft

Tires

Component breakdown data
Category	Count
Engine And Engine Cooling:Engine:Gasoline	1
Fuel System, Gasoline:Storage:Tank Assembly	1
Power Train:Axle Assembly	1
Power Train:Clutch Assembly	1
Power Train:Driveline:Driveshaft	1
Tires	1

Engine And Engine Cooling:Engine:Gasoline: 1; Fuel System, Gasoline:Storage:Tank Assembly: 1; Power Train:Axle Assembly: 1; Power Train:Clutch Assembly: 1; Power Train:Driveline:Driveshaft: 1; Tires: 1

Reported problems by failure mileage

Complaint counts in mileage bands. These are not failure rates per vehicle or mile.

Under 25,000

25,000 to 49,999

50,000 to 74,999

75,000 to 99,999

100,000 to 149,999

150,000 and above

Under 25,000: 0; 25,000 to 49,999: 0; 50,000 to 74,999: 0; 75,000 to 99,999: 0; 100,000 to 149,999: 0; 150,000 and above: 1

150,000 and above miles has the most reports with usable mileage (1). 5 complaints have missing, zero or invalid mileage.

Complaints over time

Year the complaint was filed, not the vehicle model year or incident year. The snapshot year is partial.

1996

1997

1999

2006

2007

2008

1996: 1; 1997: 1; 1999: 1; 2006: 1; 2007: 1; 2008: 1

Pattern summary

Engine And Engine Cooling:Engine:Gasoline leads the component reports. Transmission and shifting appears in 1 complaint narratives. Fuel system concerns appears in 1 complaint narratives. Use these patterns to inspect individual reports and prepare questions for a mechanic.

Calculated from recorded counts. An AI narrative has not been published for this selection.

Complaint evidence

Examples provide context, not a representative sample or a verified diagnosis.

Owner report 521572 · 1997-09-02 (September 2, 1997)

SERIOUS VIBRATION, RESULTING IN SEVERAL TRANSMISSION/ENGINE REPAIRS TO NO AVAIL.

Owner-reported narrative. Look up ODI 521572 at NHTSA ↗

Owner report 845428 · 1999-08-19 (August 19, 1999)

CH613, THE ALUMINUM FUEL TANK WHICH IS STRAPPED UNDERNEATH IS CORRODED WHICH MAY HAVE BEEN CAUSED BY INCOMPATIBILITY OF METAL. HAPPENED TO 2 MACK TRUCKS. PLEASE PROVIDE FURTHER INFORMATION AND VIN#. *AK

Owner-reported narrative. Look up ODI 845428 at NHTSA ↗

Compare model years

Recalls by model year

All campaigns in the snapshot affecting each model year, including recalls announced years later.

From yearThrough year

Recall campaigns

Shared campaigns appear once in each affected model year.

1991

1992

1993

1994

1995

1996

1997

1998

1999

2000

2001

2002

2003

2004

2005

2006

2007

1991: 5; 1992: 5; 1993: 4; 1994: 0; 1995: 1; 1996: 3; 1997: 2; 1998: 3; 1999: 7; 2000: 7; 2001: 5; 2002: 6; 2003: 7; 2004: 5; 2005: 3; 2006: 2; 2007: 3

First model yearSecond model year

Year-by-year records

Mack CH model-year comparison
Model year	Complaints	Recalls	Change in recalls
1987	0	1	Not available
1988	0	6	+5
1989	0	7	+1
1990	0	5	-2
1991	0	5	0
1992	1	5	0
1993	0	4	-1
1994	1	0	-4
1995	0	1	+1
1996	1	3	+2
1997	1	2	-1
1998	0	3	+1
1999	0	7	+4
2000	0	7	0
2001	0	5	-2
2002	2	6	+1
2003	0	7	+1
2004	0	5	-2
2005	0	3	-2
2006	0	2	-1
2007	0	3	+1

Explore the data

Vehicle analysis explorer

Inspect model-year patterns, reported mileage, monthly activity and the evidence behind each signal.

Data completeness

6 unique complaints in this selection. Analysis snapshot: 2026-09-30.

16.7%Usable mileage1 / 6 records

100.0%Valid incident date6 / 6 records

100.0%Valid filing date6 / 6 records

100.0%Ordered incident and filing dates6 / 6 records

Missing, zero and invalid mileage is excluded. Dates after the snapshot are excluded. Examples are limited selections, not a representative sample.

Problems by model year

Model-wide comparison of the eight most reported components across the model. Cells show counts and shares within each model year. Open a cell for source examples.

From model yearThrough model year

Component complaint heatmap
Component	1993	1994	1995	1996	1997	1998	1999	2000	2001	2002	2003	2004	2005	2006	2007
Engine And Engine Cooling:Engine:Gasoline	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	1100.0% ODI 521572 SERIOUS VIBRATION, RESULTING IN SEVERAL TRANSMISSION/ENGINE REPAIRS TO NO AVAIL. Look up ODI 521572 at NHTSA ↗	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.
Fuel System, Gasoline:Storage:Tank Assembly	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.
Power Train:Axle Assembly	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	150.0% ODI 10240457 2002 MACK TRUCK CH SERIES AXLE BROKE FORCING THE TRUCK TO STRIKE THE MEDIAN WALL. NJ (OHIO TRAFFIC CRASH REPORT # 101-0517-91) JB LETTER UPDATED 03/17/10*BF Look up ODI 10240457 at NHTSA ↗	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.
Power Train:Clutch Assembly	0Unavailable No examples available for this selection.	1100.0% ODI 978272 CLUTCH WILL NOT DISENGAGE. THIS CAUSED TRUCK TO CAME IN MOTION AND NOT STOP. PLEASE DESCRIBE DETAILS. TT Look up ODI 978272 at NHTSA ↗	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.
Power Train:Driveline:Driveshaft	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	1100.0% ODI 10176434 · 580,000 mi 1996 MACK CH SERIES' DRIVE SHAFT FELL ON THE ROADWAY WHILE DRIVING. TS JB *NM Look up ODI 10176434 at NHTSA ↗	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.
Tires	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	00.0% No examples available for this selection.	00.0% No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	150.0% ODI 10148648 2002 MACK CONVENTIONAL TIRE BLEW OUT. JB DUE TO THE TIRE BLOW OUT ON THE TRAILER. JB Look up ODI 10148648 at NHTSA ↗	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.	0Unavailable No examples available for this selection.

Darker cells indicate a larger share of submitted complaints. Components overlap. This measures complaint composition, not failure probability.

Failure mileage by component

Median and middle 50% of usable owner-reported mileages. Ranges require at least five records.

Component failure mileage distribution
Component	Mileage range (25th–75th percentile)	Median	Usable records	Examples
Power Train:Driveline:Driveshaft	Too few reports for a range	580,000 mi	1 (sparse)	ODI 10176434 · 580,000 mi 1996 MACK CH SERIES' DRIVE SHAFT FELL ON THE ROADWAY WHILE DRIVING. TS JB *NM Look up ODI 10176434 at NHTSA ↗

Complaint and recall timeline

Explore monthly filing activity alongside recall announcements. Up to ten years of monthly history is available.

ComponentPeriod

Solid line: filed complaints. Dashed amber lines: recall announcement dates for this vehicle selection; markers include all recall components. The latest month is partial. Temporal proximity does not establish causation.

Monthly counts, recall campaigns and complaint examples

Monthly complaint and recall timeline
Month	Campaigns announced	Examples
2024-10	None	No examples available for this selection.
2024-11	None	No examples available for this selection.
2024-12	None	No examples available for this selection.
2025-01	None	No examples available for this selection.
2025-02	None	No examples available for this selection.
2025-03	None	No examples available for this selection.
2025-04	None	No examples available for this selection.
2025-05	None	No examples available for this selection.
2025-06	None	No examples available for this selection.
2025-07	None	No examples available for this selection.
2025-08	None	No examples available for this selection.
2025-09	None	No examples available for this selection.
2025-10	None	No examples available for this selection.
2025-11	None	No examples available for this selection.
2025-12	None	No examples available for this selection.
2026-01	None	No examples available for this selection.
2026-02	None	No examples available for this selection.
2026-03	None	No examples available for this selection.
2026-04	None	No examples available for this selection.
2026-05	None	No examples available for this selection.
2026-06	None	No examples available for this selection.
2026-07	None	No examples available for this selection.
2026-08	None	No examples available for this selection.
2026-09 (partial)	None	No examples available for this selection.

Emerging complaint spikes

Complete months in the latest six months with at least 10 complaints, at least twice the preceding 12-month average, and at least three square-root deviations above that average.

This is a descriptive screening rule, not a statistical defect finding. Publicity and reporting changes can increase submissions.

No complete months meet the spike thresholds for this selection.

Equal-age model-year comparison

Model-wide cumulative reports during the first three or five calendar years, starting with the model year (age 0). Only fully elapsed windows are compared.

Observation windowFirst model yearSecond model year

2006: 0 complaints · 2007: 0 complaints

Equal observation windows
Model year	Through age 0	Through age 1	Through age 2
2006	0	0	0
2007	0	0	0

Date coverage across each selected cohort

Date basis for all complaints in selected model years
Year	Incident dates used	Filing date fallbacks	Excluded dates
2006	0	0	0
2007	0	0	0

Incident date is preferred when valid and no later than filing; otherwise filing date is used. Model year approximates age. Equal observation time does not adjust for sales, distance driven or reporting delays. One complaint linked to multiple model years can appear in each cohort.

Components reported together

Each cell counts unique complaints naming both components. Open a nonzero cell for examples.

Component co-occurrence matrix
Component	Engine And Engine Cooling:Engine:Gasoline	Fuel System, Gasoline:Storage:Tank Assembly	Power Train:Axle Assembly	Power Train:Clutch Assembly	Power Train:Driveline:Driveshaft	Tires
Engine And Engine Cooling:Engine:Gasoline	—	0	0	0	0	0
Fuel System, Gasoline:Storage:Tank Assembly	0	—	0	0	0	0
Power Train:Axle Assembly	0	0	—	0	0	0
Power Train:Clutch Assembly	0	0	0	—	0	0
Power Train:Driveline:Driveshaft	0	0	0	0	—	0
Tires	0	0	0	0	0	—

Co-reporting does not establish that one component caused another concern.

Recurring narrative patterns

Specific keyword mentions beyond broad component labels. Matching includes negations and comparisons and does not confirm a diagnosis.

Search patterns

0 patterns with matching reports.

No narratives match the published patterns.