Engine and engine cooling: engine: diesel (Caterpillar)
Vehicle equipment recall 83E-020. NHTSA received CATERPILLAR TRACTOR CO.’s report on Nov 23, 1983.
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The short answer
NHTSA received CATERPILLAR TRACTOR CO.’s report on Nov 23, 1983. Copied from NHTSA on Oct 20, 2026.
Every line below is in NHTSA’s own words, with its source beside it.
What’s wrong with it?
The notice gives no hazard in a field of its own.
SHIELD OVER THE GOVERNOR FLYWEIGHTS MAY DETATCH FROM CARRIER AND INTERFERE WITH MOVEMENT OF THE WEIGHTS AND GOVERNOR LINKAGE.
THE VEHICLE OPERATOR MAY NOT BE ABLE TO SHIFT INTO GEAR SELECTED OR TO PREVENT ENGINE OVER-SPEED.
NHTSA, Recalls flat file before 2010. Released Oct 20, 2026. Updated daily.
- NHTSA’s part: Engine and engine cooling: engine: diesel.
What should you do?
SHIELDS FOUND TO BE CRACKED WILL BE REPLACED AND STAKED AT FOUR POINTS. OTHERS WILL BE STAKED AT TWO ADDITIONAL POINTS, MAKING A TOTAL OF FOUR.
NHTSA, Recalls flat file before 2010. Released Oct 20, 2026. Updated daily.
- How to reach the firm: VEHICLE CATEGORY: HEAVY TRUCKS EQUIPPED WITH DIESEL ENGINES CATERPILLAR MODELNO. 3406B.SYSTEM: ENGINE; GOVERNOR CONTROL SHIELD.CONSEQUENCES OF DEFECT: LOSS OF CONTROL OVER ENGINE SPEED MAY LEAD TO LOSS OFVEHICLE CONTROL AND AN ACCIDENT. ALSO, UNEXPECTED MOVEMENT MAY RESULT IN ANACCIDENT OR PERSONAL INJURY.
Which ones are recalled?
NHTSA counts 112 items potentially involved, across everything this recall names.
NHTSA, Recalls flat file before 2010. Released Oct 20, 2026. Updated daily.
- Caterpillar CaterpillarBuilt from Aug 1, 1983 to Oct 1, 1983
Who is recalling it?
- Made by CATERPILLAR TRACTOR CO..
NHTSA, Recalls flat file before 2010. Released Oct 20, 2026. Updated daily.
What the record doesn’t say
- NHTSA’s recall file doesn’t say whether anyone was hurt.
- Which ones, by part or lot: the recall’s report on NHTSA’s site gives them where the maker did; this file gives part numbers only where its maker listed them.
- How many have been returned or fixed isn’t in the notice.
Hearth Record wrote these lines.
Sources
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National Highway Traffic Safety Administration, Recalls flat file before 2010 (FLAT_RCL_PRE_2010).
Released Oct 20, 2026 and checked Oct 20, 2026. Updated daily. Public domain (U.S. Government work).
Vehicle, car seat, tire and vehicle equipment recalls, owner complaints and crash ratings are from the National Highway Traffic Safety Administration (NHTSA). Copied on Oct 20, 2026.