Shumaker Industries manufactures drums for all types of concrete mixers including both front and rear discharge mixers of any make. Our drums are built by experienced craftsmen using quality steel from domestic mills which makes Shumaker drums the best in the business.
Below are the standard specifications of every drum we make, the drum steel options for both rear and front discharge mixers, and other options from which to choose. You can choose from these options or have us build a custom drum just the way you want it.
Standard
Specifications:
- 100% of plate steel milled in the
USA.
- True thickness steel
(3/16”=.187, 1/4”=.250).
- Shell and fins from AR 200 manganese
steel.
- AR 400 3/16” steel option
- All new ¼” one-piece pressed dished head.
- One-piece pressed blades with
weep holes for quality mixing and easier cleanup.
- Solid steel machined roller track.
- Automated submerged arc welding
of outside seams which reduces blow-through while maintaining excellent weld finish.
- One bolt-on square manhole (front
discharge two manholes). Round hole option
- Shot blasted and
electrostatically primed using a gray universal primer.
- Installation or delivery of the
drum.
Drum Steel
Options:
All 3/16”
steel option
The shell and blades of the drum
are fabricated from our specialty 3/16” AR steel. You still get the
all new 1/4” dished head and the mixing blades will also be fabricated from our 1/4” AR steel.
Front half
steel 1/4” option
This option is unique to Shumaker replacement drums. With this option you get 1/4” AR steel for the blades and shell in the front two (2) sections of the drum. The rest of the drum is from of 3/16” AR steel. The front half 1/4” steel option gives you thicker steel in the high wear areas of the drum
giving you the durability and long-life of an all 1/4” drum while saving money and overall weight. Available on rear discharge mixers.
All 1/4” steel
option
The shell and blades of the drum are fabricated from our specialty 1/4” AR
steel.
AR 400 Option
The shell and blades of the drum are fabricated from 3/16” AR 400 steel which has a higher through-hardness and a higher surface hardness than AR 200. Customers have been able to get as much life out of an all 3/16” steel AR 400 drum as an all ¼” steel AR 200 drum, thus saving drum weight by using thinner steel and increasing potential payload. Front discharge drums with this option include a ¼” AR 200 roller track reinforcing shell.
Other Options
Rebar, Divider blades (anti-surge blades), Manholes (quick-open or
bolt-on), Front water injection, Lifting hooks and Paint are options
we can add to your drum.
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