Harley Davidson Panhead brakes 1948-1965

Panhead front brakes 1948-1949 springer

This front brake assembly is used on big twin Springer front forks 1937-1949
There are two types of brake drum that will fit this brake assembly. a pressed steel drum 1937-1939
and a cast steel drum 1941 and later.
1937-1939 and 1941 and later backing plates are interchangeable.

1948_front-wheel_brake-assy1949 -1965 panhead front brakes

The “Glide front brake” is used on hydra-glide, Duo-glide and Electra-glide 1949-1971
1949-1968 glide front brakes are mounted on the left slider.
1969-1971 brakes are mounted on right slider.

Drums backing plates and shoes are year specific.
Early drum 1949-1966
later drum 1967-1971  to accommodate new wheel hub.
Backing plates
Early 1949-1968. late 1969-1971 to accommodate right side mounting.
Brake shoes
Early 1949-1953
Late 1954-1971
Early shoes are longer.

949_later_front_brake-assyPanhead rear brakes 1948-1957 mechanical

This mechanical rear brake assembly is used on all big twins 1938-1957.
Drums are made of stamped steel.
Upper and lower shoes must not be interchanged 1938-1957.

1948-rear-wheel-brake-assyjpgPanhead rear brakes 1958-1972 hydraulic.

In 1958 hydraulically actuated rear brakes were introduced.
Drums and sprockets
Early 1958 drums are stamped steel with 1/8″ rivet holes. 1-5/64 shoe. Same as mechanical brake.
late 1958-1959 are cast steel with 1/8 rivet holes.1-5/16 shoe.
1960-1962 cast steel with 3/16 rivet holes. 1-5/16 shoe
1963-1966 cast steel with 3/16 rivet holes. 1-13/16 shoe
1967-1972 uses drum designed for the later hub.
Backing plates, sprockets and many other components are drum year specific.

1958-later_rear-brake_assyRear  brake hydraulic brake master cylinder

This  rear brake master cylinder is used from 1958-1972.


Here are some great resources for more detailed information about Harley Davidson Panhead brakes.

How to restore your Harley-Davidson by Bruce Palmer 111

Riding vintage website

the Jocky Journal web forum

hydra-glide.com The panhead and flathead site

The Harley Davidson Panhead service manual 48-57 rigid


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