Park 400 Brushless Outrunner Motor, 920Kv

Key Features

  • Slotted 12-pole outrunner design
  • Prop adapter (EFLM1923) and gold-plated connectors included
  • Motor mount included
  • Excellent motor for small 3D and scale park flyers weighing 10–20 oz (280–560 g)
  • Replacement for Speed 370 and Speed 400 applications


The great performance and small size of this engine makes it perfect for small 3D and other park flyer models. The external rotor design eliminates the need for a gearbox, saving you valuable weight to get the maximum performance out of the model.

Product Specifications

Type: Brushless
Size: Replacement for 370/400
Bearings or Bushings: One 3.175 x 7.94 x 3.6 Bearing, and One 3.175 x 9.525 x 3.97 Bearing
Recommended Prop Range: 9x7 to 11x4.7
Voltage: 7.2–12
RPM/Volt (Kv): 920 (rpms per volt)
Resistance (Ri): .10 ohms
Idle Current (Io): .70 @10V (no load current)
Shaft Diameter: 1/8 in (3.17mm)
Overall Length: 1.15 in (29mm)
Weight: 56 g (2.0 oz)
Overall Diameter: 1.10 in (28mm)
Diameter: 1.1 in (28mm)
Continuous Current: 10A
Maximum Burst Current: 13A
Cells: 6–10 Ni-Cd/Ni-MH or 2–3 Li-Po
Speed Control: 10–20 amp brushless

Needed to Complete

10–20A brushless ESC
9x7 to 11x4.7 prop
7.4V or 11.1V 860–1320mAh Li-Po

Articles, Reviews, How-Tos & More

Park 400 Brushless Outrunner Motor, 920Kv [EFLM1305]

Retail Price: $54.99

Selling Price:$44.99*

Find a Retailer
*Avaliable at participating retailers

Similar Products

Related Articles

Product Information