Azusa Engineering Online Catalog - 4-1/2 inch Brakes & Accessories

4-1/2" Brakes [GO]
4-1/2" Brake Drums - Machined [GO]
4-1/2" Riveted Sprocket/Drum Assemblies [GO]
4-1/2" Assemblies w/Riveted Hubs [GO]
Azusa Brake Locator [GO]

4-1/2" Brakes

4.5" Brake Assemblies
Description Part No.

Steel backing plate, 5/8" bore (2) 2270S

Aluminum backing plate, 5/8" bore (1) 2270A

Steel backing plate, 3/4" bore (2) 2272S

Aluminum backing plate, 3/4" bore (1) 2272A

Steel backing plate, 1" bore (2) 2271S

Aluminum backing plate, 1" bore (1) 2271A

Steel anchor backing plate, 5/8" bore (3) 2208

Steel anchor backing plate, 1" bore (3) 2269

Renewal Components
Description Part No.

Lined Brake Shoes, Pair 2260

Actuator Arm*
options: left offset, right offset or straight 2263

Spring (2 required) 2264

Cam 8235

Lockwasher - Split 8302

Flat Washer 8304

Locknut for Cam, 5/16-18 8510

Weights (approx. lbs.): 1 = .97; 2 = 1.35; 3=1.60

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4-1/2" Brake Drums - Machined

Flanged drum has 6 holes on a 5-1/4" bolt circle. All are machined either "I.D." for brakes on this page or "O.D." for 4-1/2" Band Brakes. All drums have three sets of mounting holes: 3 and 4-hole on a 3.75" diameter bolt circle and a 4-hole to match the mini-hub pattern. Specify machined surface either "-I.D." or "-O.D."

Description Part No.

Drum, No Flange 2211-

Drum with Flange 2213-*

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Riveted Sprocket/Drum Assemblies

A #35 chain 60 tooth or 72 tooth Economy Steel Sprocket is riveted to a machined #2213 Drum to provide a strong, reliable unit at very economical prices. Specify machined surface either "I.D." or "O.D."

Description Part No.

Drum & 60 Tooth Sprocket, Plated 2217-

Drum & 72 Tooth Sprocket, Plated 2218-*

For info on use of these assemblies with our 10" steel wheel, go here.

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4-1/2" Assemblies with Riveted Hubs

These machined drums feature the Azusa Mini-Hub, factory riveted to any of our 4-1/2" Drum variations for use on a 1" Live Axle. Ideal for small, low horsepower vehicles (set screws and key included). Specify machined surface either "-I.D." or "O.D."

Description Part No.

72 tooth Sprocket, Drum & Hub Kit, #35 Chain 2268-

60 tooth Sprocket, Drum & Hub Kit, #35 Chain 2267-*

Flanged Drum & Hub Kit 2266-*

Standard Drum & Hub Kit 2265-*

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Azusa Brake Locator