OFFICIAL NHTSA RECALL
77E020000
Engine And Engine Cooling:engine
Reported Sep 13, 1977 · CATERPILLAR TRACTOR CO.
Summary
THE TOP END OF THE MAIN SPRING THAT CONTROLS THE GOVERNOR IN THE SPEED CONTROL IS POSITIONED BY A TWO-PIECE SEAT. THE INSIDE OF THIS SEAT CAN WEAR AND CAUSE THE SLEEVE PORTION OF THE SEAT TO SEPARATE FROM THE WASHER PORTION. CONSEQUENTLY, THE SLEEVE CAN DROP DOWN AND LOCK THE FUEL RACK IN THE FULLY OPEN POSITION, CAUSING ENGINE OVERSPEED.
Consequence
Not supplied in the source record.
Remedy
DEALER WILL INSTALL AN IMPROVED SEAT ASSEMBLY AND GUIDES, WITHOUT CHARGE.
Notes
VEHICLE CATEGORY: TRUCKS.SYSTEM: EQUIPMENT; SPEED CONTROL SYSTEM, MODEL NO. 3408.CONSEQUENCES OF DEFECT: THIS CONDITION COULD LEAD TO LOSS OF VEHICLE CONTROLAND AN ACCIDENT.NOTE: IF ENGINE OVERSPEEDING OCCURS BEFORE THE DEFECT HAS BEEN CORRECTED, THESPEED CONTROL SWITCH SHOULD BE IMMEDITELY SHUT OFF AND THE TRUCK LEFT IN GEARTO PREVENT POSSIBLE ENGINE DAMAGE.
This campaign page uses the representative official campaign record. Applicability-specific source variants appear on the linked vehicle pages. Recall counts refer to campaigns, not affected vehicles.
Vehicle entries in this campaign
This is model-level recall history. It does not confirm whether a particular VIN is affected or has received the repair. Check with NHTSA ↗