Siemens 1FT6044-4AK71-3AK0 — The Siemens 1FT6044-4AK71-3AK0 is an AC servo motor categorized under the 1FT6 series

Part number	1FT6044-4AK71-3AK0
Brand	Siemens
Category	Servo Motor
Description	The Siemens 1FT6044-4AK71-3AK0 is an AC servo motor categorized under the 1FT6 series
Manufacturer	Siemens
Product Line	1FT6
Part Number	1FT6044-4AK71-3AK0
Module Name	AC Servo Motor
Speed	3000 to 6000 RPM
Output Power	1.88 to 2.55 HP
Rated Torque	3 to 4.3 Nm
Stall Torque	5 Nm
Rated Current	2.9 to 4.1 A
Pole Pair Number	2
Rotor Moment of Inertial	5.1 (without brakes)
Shaft Height	48 mm
Shaft End	IM B5
Holding Brake	No
Connector Outlet Direction	Axial non-drive end
Encoder	Incremental encoder sin/cos 1 V

The Siemens 1FT6044-4AK71-3AK0 is an AC servo motor categorized under the 1FT6 series. With speed capabilities ranging from 3000 to 6000 RPM, it provides an output power between 1.4 and 1.9 kilowatts, translating to approximately 1.88 to 2.55 horsepower.

Compatibility data for this part number is being verified. Send an RFQ with your equipment model and serial — our suppliers confirm fitment before quoting.

Data compiled from 1 verified source. Last reviewed 2026-08-16.