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Equipment recall 93E029001 · August 30, 1993

Oshkosh MB16FD, MB18FD and 2 more models

A gap between the master cylinder and remote brake fluid reservoir adapter is caused by an out-of-specification condition in the adapter, resulting in hydraulic fluid loss during…

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

This is a recall of aftermarket equipment listed for the vehicles below. It applies only if the recalled part was installed on the vehicle.

Summary
A gap between the master cylinder and remote brake fluid reservoir adapter is caused by an out-of-specification condition in the adapter, resulting in hydraulic fluid loss during brake application.
Consequence
Brake fluid loss results in loss of pressure, causingpartial loss of braking ability.
Remedy
Replace the out-of-specification adapters.
Notes
System: brake: master cylinder.equipment description: school buses, motorhomes, and shuttle bus chassisequipped with alliedsignal, Inc. Master cylinders.notes: alliedsignal Inc. Initiated this campaign.oshkosh recommends that these vehicles be taken out of service until theout-of-specification adapters are replaced. Alliedsignal will ship the retrofitkit by federal express overnight to the dealer to minimize the downtime of yourvehicle.if you have problems exchanging your fluid reservoir adapter, pleasecontact oshkosh service center at 1-414-235-1726. Also, contact the nationalhighway traffic safety administration at 1-800-424-9393.

Recall details

NHTSA campaign
93E029001
Reported to NHTSA
August 30, 1993
Filed by
OSHKOSH TRUCK CORPORATION
Owner notification
August 27, 1993
Vehicles potentially affected
1,026
Initiated by
the manufacturer
Components
Service brakes, hydraulic › Foundation components › Master cylinder
Recall 93E029001 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 Oshkosh 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 Oshkosh dealer can also check your VIN. Recall repairs are free.