MYRModel Year Report

1991 International Harvester School BUS

○ Not enough data
1991 International Harvester School BUS
RENDERED 2026-08-02T09:20:17.579Z

Only 6 complaints on file — too few for a fair verdict.

This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.

Only 6 complaints on file — too few for a fair verdict. The data below is complete but unranked.

How is this computed?

COMPLAINTS PER YEAR

Complaints per year, International Harvester School BUS Bar chart of distinct NHTSA complaints filed per model year, 1991 highlighted. 1980: 0 complaints 1980 1981: 0 complaints 1982: 0 complaints 1982 1986: 2 complaints 1987: 6 complaints 1987 1988: 6 complaints 1989: 1 complaints 1989 1991: 6 complaints 1991 1992: 2 complaints 1992 1993: 1 complaints 1994: 7 complaints 1994 1995: 10 complaints 1996: 1 complaints 1996
1991: 6 complaints
View as data table
YearComplaints
19800
19810
19820
19862
19876
19886
19891
19916
19922
19931
19947
199510
19961

KNOWN PROBLEM AREAS

Only 6 complaints on file for this model year -- too few to rank by share. Raw counts only, below.

POWER TRAIN

2 of 6 total reports mention: power train.

Show complaint excerpts

ALLISON TRANSMISSION TORQUE CONVERTER FAILED, CAUSING LOSS OF POWER TO DRIVE AXLE. (1ST VEHICLE ON 502756 & 502757) *SD

NHTSA ODI report, 19960404

SUSPENSION

1 of 6 total reports mentions: suspension.

Show complaint excerpts

BUS DEVELOPED A CRACK ON THE RIGHT SIDE BEHIND THE FRONT SHOCK ABSORBERS. CAUSE OF THE CRACK WAS UNDETERMINED. *AK

NHTSA ODI report, 20030915

STRUCTURE

1 of 6 total reports mentions: structure.

Show complaint excerpts

DRAWSTRING CAUGHT IN BUS HANDRAIL. *DH

NHTSA ODI report, 19960628

ENGINE AND ENGINE COOLING

1 of 6 total reports mentions: engine and engine cooling.

ELECTRICAL SYSTEM

1 of 6 total reports mentions: electrical system.

FIRE
Show complaint excerpts

WIRES TO FUEL SHUT-OFF SWITCH CAUGHT FIRE. *SKD

NHTSA ODI report, 19950420

SAFETY TIMELINE

No recalls on file for this model year.

BUY-SMART CHECKLIST

1991 International Harvester School BUS — pre-purchase inspection

  • Test/inspect for power train issues (2 reports on file for this year).
  • Test/inspect for suspension issues (1 reports on file for this year).
  • Test/inspect for structure issues (1 reports on file for this year).
Inspected by ______________ Date ______________

FAQ

Is the 1991 International Harvester School BUS reliable?

There isn't enough NHTSA complaint data on file yet to give this model year a verdict.

What are the most common problems with the 1991 International Harvester School BUS?

The most-reported component is power train:automatic transmission:torque converter, accounting for 33% of complaints on file.

How many recalls does the 1991 International Harvester School BUS have?

No recalls are on file for this model year.

Data updated 2026-07-11 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.