REAR AXLE TRUNION MOUNTS STRESS CRACK. COULD CAUSE SEPARATION OF REAR AXLES AT SPEED AND CAUSE SEVERE ACCIDENT.
1990 Kenworth T600
Owner reports · Recalls · Investigations
Limited comparison data
There is not enough comparable history to draw a useful model-year comparison.
Counts are not adjusted for sales, age, mileage exposure or reporting. A lower count does not establish that a car is problem-free.
About this comparison →Model-year median: 0
2Recall campaignsView recall details →
0InvestigationsView investigation details →
Check a VIN with NHTSA ↗ Model-level counts do not show whether a particular VIN is affected or repaired.
Inspection summary
1990 Kenworth T600
NHTSA snapshot: September 18, 2026. 1 owner complaints · 2 recall campaigns · 0 investigations.
Counts are not failure probabilities and are not adjusted for sales, age, mileage exposure or reporting. One report may name several categories. Comparison method and limitations.
Top reported categories (up to 5)
- Structure: 1 reports
Full reported-category list and vehicle report
Recall links
Check a VIN with NHTSA. Model-level history does not establish whether a particular VIN is affected or repaired.
Print the top reported categories, recall links, snapshot date and comparison limits.
How this year compares
Owner complaints by model year
Compare all T600 years →Counts vary with age, sales, mileage exposure and reporting. They are not failure rates.
What owners reported most
Tap a category to read its complaints. One report may name several components.
When problems were reported
Mileage at the reported incident
Limited mileage data: 0 of 1 reports include usable mileage. There isn’t enough coverage to show a useful chart.
NHTSA’s mileage field refers to the reported incident, not necessarily the filing date. This shows report counts, not the likelihood of a failure.
What to inspect
Issues worth paying extra attention to based on owner reports.
- Structure. Review the 1 owner reports in this category and discuss these concerns during a pre-purchase inspection. Read reports →
NHTSA owner reports · September 18, 2026 snapshot.
What owners actually said
1 reportsRecall campaigns
291V066000 · Engine And Engine Cooling:cooling System:fan
Apr 18, 1991
THE ENGINE FAN MAY EXPERIENCE A RESONANT FREQUENCY CAUSING PREMATURE FAN FAILURE, AND SEPARATION FROM THE ENGINE.
Consequence & remedy
Consequence: ENGINE FAN SEPARATION CAN CAUSE DEATH OR INJURY TO ANYPERSON IN THE PATH OF THE FAN.
Remedy: REPLACE ENGINE FAN WITH FAN FROM ANOTHER MANUFACTURER.
91V043000 · Service Brakes, Air
Mar 14, 1991
AIR BRAKE SYSTEM WAS MODIFIED BY ADDING A LONGER AIR LINE BETWEEN THE ABS SOLENOID AND THE TRANSFER TEE TO SIMPLIFY MANUFACTURING. THIS MODIFICATION CAUSED THE TRUCKS TO BE IN NON-COMPLIANCE WITH FMVSS 121, BRAKE TIMING TEST.
Consequence & remedy
Consequence: THE MISTIMED BRAKE AND ABS SYSTEM MAY CAUSE THE TRUCK TOFAIL THE STOPPING DISTANCE REQUIREMENT OF THE FMVSS, WHICH MAY LEAD TO ANACCIDENT.
Remedy: REMOVE THE EXTRA LENGTH OF AIR LINE AND INSTALL THE TRANSFER TEE AT THE ABS SOLENOID.
Model-level recall history does not show whether a particular VIN is affected or has received a repair. Check a VIN with NHTSA ↗
Defect investigations
0No exact-year investigations in this snapshot.
An investigation is not a finding of a defect, and closure does not prove a vehicle is problem-free.
Illustration