Thank you for turning to Sukup Manufacturing Co.
for your grain drying needs. In 1962, a young,
innovative farmer named Eugene Sukup bought his
first grain bin to dry and store shelled corn.
However, he soon encountered problems with the
process, such as crusting and hard spots. In
response, Eugene developed and patented an idea
for an automatic stirring machine—the idea from
which Sukup Manufacturing Co. was born.
Sukup stirring machines have come a long way
since they revolutionized in-bin drying, but they
remain the simplest, most dependable stirring
machines on the market. Additionally, the Fastir
stirring machine’s adaptable design and variety of
extras make it ideal for both large and small drying
operations.
Fastir stirring machines eliminate overdried grain,
increase airflow, and preserve grain quality.
Overdried grain resulting from typical heating
processes has been a constant problem
accompanying grain drying in bins, meaning lower
quality grain, wasted fuel, and wasted time.
Sukup’s goal has been to eliminate this problem by bringing the advantages of stirring to both low- and high-
temperature in-bin drying systems. As the machine mixes and loosens bottom layers of grain that are easily
overdried, grain may be heated to higher temperatures to achieve faster drying rates without any of the typical
effects of overdrying.
The Sukup Fastir provides a low-cost solution for on-farm drying of grain. If additional stirring capacity is desired
after installation, additional down augers may be economically added to machines at any time. In short, our
stirring machine is an excellent tool for adding greater flexibility to any bin drying or storage system, whether high
or low temperature.
We hope that you return to Sukup for all of your grain storage, drying, and handling needs. Along with the simply
dependable Fastir, Sukup is the leader in unloading equipment and fans and heaters. Sukup grain bins and
dryers have also taken the market by storm. From heaters to grain bins and everything in between, our family-
owned company is dedicated to providing customers with the best quality products and the best value for their
money.
This manual contains instructions for the installation, operation, and service of Sukup Fastir and Fastir Plus
units. Fastir and Fastir Plus units are largely the same except the Fastir Plus model has a stationary outside
carriage. This manual is written for both models, so carefully read and follow all instructions.
This document also contains an illustrated parts assembly manual (attached, page 53), which is broken down into
groups for each section of the unit and details all serviceable parts. Parts shown in exploded views of assemblies
are reference numbered and correspond to numbers in Ref # column of parts list following each illustration. Total
number of parts required per unit or assembly is shown opposite each part number.
When ordering parts, always give part number (in Comp # column) and part description shown alongside
reference number. Do not order parts by reference numbers. If part number cannot be found in manual, give clear
description of part and its location and function. Also, specify your machine type and size.
From left to right: Steve Sukup, Eugene Sukup, Charles Sukup
Sukup Manufacturing Co., Sheffield, IA, USA
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