Verdict · NHTSA data
Limited data — recalls on file
NHTSA has just one complaint on file for the 1989 Kenworth T600a — too few to judge reliability from owner reports alone — but 3 recall campaigns apply to this year, so any used example should have its VIN checked for completed recall work.
1
NHTSA complaints
3
Recalls
0
Investigations
0
Crash-involved
0
Fires reported
0
Injuries
0
Deaths
—
NCAP overall
| Component | Complaints | Share | vs prior year |
|---|---|---|---|
| Tires & Wheels | 1 | 100% | new |
3 NHTSA recall campaigns on file. Recall repairs are free at franchised dealers.
Defect
SPRAGUE WIPER ASSEMBLY PIVOT CAN SEIZE DUE TO GALVANIC CORROSION BETWEEN THE ZINC-PLATED STEEL SHAFT AND THE BRONZE BUSHINGS.
Consequence
THIS CORROSION CAN CAUSE WIPER ARM/BLADE ASSEMBLY TO STOPWIPING WINDSHIELD, THIS COULD AFFECT DRIVER VISIBILITY AND RESULT IN ANACCIDENT.
Remedy
REPLACE SPRAGUE WIPER ASSEMBLY PIVOT WITH AN ASSEMBLY NOT SUSCEPTIBLE TO GALVANIC CORROSION.
Defect
REAR AXLE STABILIZER (SWAY) BAR MAY NOT HAVE BEEN PROPERLY HEAT TREATED.
Remedy
REPLACE THE STABILIZER BAR.
Defect
ROUTING OF FUEL LINE COULD ALLOW IT TO CONTACT THE ELECTRICIAL CONNECTION ON THE STARTER SOLENOID.
Consequence
SUCH CONTACT COULD RESULT IN A TRUCK FIRE.
Remedy
REROUTE FUEL LINE AND SECURE AWAY FROM STARTER SOLENOID.
The record is thin — 1 NHTSA complaint — so owner-report data can't strongly confirm reliability either way, though 3 recalls should be verified as completed.
Yes — NHTSA lists 3 recall campaigns affecting the 1989 Kenworth T600a. Recall repairs are free at franchised dealers; check the VIN at nhtsa.gov/recalls to confirm the work was done.
Based on NHTSA ODI data through June 2026. Complaints are consumer-reported and unverified. Updated July 5, 2026.
Compiled by Sharon Ben-Moshe, Founder.