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Vehicle recall 83V120000 · November 17, 1983

International Harvester 4270, 4370 and 2 more models

A spring leaf may fracture through the center hole section.

Source: NHTSA data as of September 22, 2026. Last refreshed Sep 23, 2026, 2:43 AM UTC.

Summary
A spring leaf may fracture through the center hole section. This occurs due to loosening of the spring-to-axle mounting attachment following extreme flexing of the spring leaves. This kind of fracture makes the remaining two leaves vulnerable to progressive fracture.
Remedy
Vehicles will have the three-leaf spring assembly replaced with an improved unit.
Notes
Vehicle description: heavy truck tractors.system: suspension; rear springs.consequences of defect: if all three leaves fracture, the rear axle maysuddenly shift position, which could result in loss of vehicle control and anaccident.

Recall details

NHTSA campaign
83V120000
Reported to NHTSA
November 17, 1983
Filed by
INTERNATIONAL HARVESTER
Owner notification
January 2, 1984
Vehicles potentially affected
520
Initiated by
the manufacturer
Components
Suspension › Rear › Springs › Leaf spring assembly › Leaf
Recall 83V120000 on nhtsa.gov, with the manufacturer’s documents

Vehicles covered

As listed by NHTSA. A recall usually covers only some vehicles of each model and year, often a production date range.

Has your International Harvester been repaired?

Recalls here come from NHTSA’s records for the model and year. Not every vehicle of a model is included in every recall, and this site can’t see whether a repair has been done. Only a VIN lookup can tell you that.

NHTSA’s VIN search doesn’t show recalls that were already repaired, recalls more than 15 years old, or some small manufacturers’ recalls. A International Harvester dealer can also check your VIN. Recall repairs are free.