
Tornado Tempest Vacuum Motor K64840020
$357.99
Genuine Tornado vacuum motor, part number K64840020, for the Tornado Tempest TV400-W26-U cordless wide-area carpet sweeper. Supplies the machine’s suction.
This is the vacuum motor for the Tornado Tempest. Tacony’s dealer record names it Vacuum Motor; the parts book prints the same number against Blower. It is the motor that generates the airflow through the filter and the hopper, and it is a different part from the filter shaker motor, the brush motor and the side broom motor.
What the Vacuum Motor Does
On a sweeper the brushroll does the mechanical work and the vacuum motor does the rest: it pulls the fine dust the brush lifts through the filter, so that what leaves the machine is clean air. A tired vacuum motor shows up as a machine that still sweeps visible debris but leaves the carpet looking dusty and puts fines back into the room.
Where It Sits on the Machine
It sits under the air duct cover on the Tempest filter and blower diagram, drawing through the filter housing.
Compatible Models for the Vacuum Motor
When to Replace It
Replace the motor when the brushes are worn out, when it has become loud or is running hot, or when airflow is clearly down with a new filter and intact seals. Before condemning a motor, fit a new filter and check every hopper and duct seal — a leaking seal or a blocked filter will imitate a failing motor closely, and both are far cheaper to fix.
Fitting Notes
Note the duct and gasket arrangement as you take it apart. A vacuum motor only performs if the air path is sealed, so any gasket that is hardened or torn should be replaced while the machine is open rather than left for a second strip-down. Check the harness connection is clean and secure before refitting the duct cover.
Twin City Vacuum has been selling and servicing Tornado equipment since 1956. Browse the full Tornado Tempest parts range, or see the Tornado Tempest TV400-W26-U machine. Manufacturer information is at tornadovac.com.
Frequently Asked Questions
How do I tell a failing vacuum motor from a blocked filter?
Fit a known-good filter first, then check the hopper and duct seals. If airflow comes back, the motor was never the problem. If airflow is still down with a clean filter and sound seals, and the motor is noisy or running hot, the motor is the likely cause. We are happy to talk it through on 763-535-0770 before you spend the money.
Does the motor come with gaskets?
No. The filter gaskets, duct seals and hopper seals are separate part numbers on the same diagram. It is worth ordering the seals you will disturb at the same time, because a new motor behind a leaking seal will not restore the airflow you are paying for.
How do I order the Vacuum Motor (part# K64840020) or get help?
Order the Vacuum Motor right here on this page, or call Twin City Vacuum at 763-535-0770 and give us part number K64840020. We have been a Tornado dealer since 1956, we stock Tempest parts, and we can confirm the part against your machine before it ships. You can also visit the store at 5415 West Broadway, Crystal, MN 55428.
Questions? Call us at 763-535-0770 or visit us at 5415 West Broadway, Crystal, MN 55428.





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