Vehicle recall 71V190000 · October 20, 1971

Mack MB400 and MB600

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

Notes: May 1, 1969 thru aug 17, 1971.POSSIBILITY that air brake pip ing has beenerroneously connected to hand control valve which, when applied, is to operateservice brakes on rear axle.er roneous piping will cause braking to be onfront axle insteadof rear axle.condition does not with normal functioningof s ervice or emergency brake systems.(correct by inspecting andinstallingproper piping where piping where necessary.)

Recall details

NHTSA campaign: 71V190000
Reported to NHTSA: October 20, 1971
Filed by: MACK TRUCKS, INCORPORATED
Owner notification: December 17, 1971
Vehicles potentially affected: 916
Initiated by: the manufacturer
Components: Service brakes, air › Supply › Hoses, lines/piping, and fittings

Recall 71V190000 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.

Mack MB400 (1969-1971): 1971, 1970, 1969
Mack MB600 (1969-1971): 1971, 1970, 1969

Has your Mack been repaired?

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