Park 400 Outrunner<br>740 Kv
$62.99
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Park 400 Outrunner
Only 1 Left!
Park 400 Outrunner
740 Kv
$62.99
740Kv Outrunner
High torque for park flyers
Brushless Power
Quiet smooth direct drive performance
Hardware Included
Mount and prop adapter included
In Stock
Direct Drive Flight PowerEfficient High Torque Motor Performance
The Park 400 Brushless Outrunner Motor, 740Kv offers exceptional torque and lightweight design for RC park flyers and 3D aerobatic models weighing 10 to 20 ounces. Utilizing an external rotor configuration, this high-performance brushless motor eliminates the need for bulky gearboxes to maximize flight efficiency and minimize overall model weight.
Precision Aerobatic Motor UpgradeQuiet Operation For Scale Models
Engineered to replace traditional Speed 370 and Speed 400 geared setups, the Park 400 Brushless Outrunner Motor, 740Kv delivers quiet, low-noise operation alongside superior power output. Featuring a slotted 12-pole outrunner design, high-quality bearings, and gold-plated 3.5mm bullet connectors, this outrunner motor ensures dependable throttle response and long-lasting durability. Complete with an included motor mount and prop adapter, it provides an ideal RC plane brushless motor upgrade for demanding pilots seeking max efficiency and reliable aerial performance.
Motor Technical SpecsCritical Performance And Dimension Data
Motor Type
Brushless Outrunner
RPM/Volt (Kv)
740Kv
Motor Design
Slotted 12-Pole
Outer Diameter
1.1 in (28mm) (ruler)
Shaft Diameter
1/8 in (3.17mm) (ruler)
Voltage Range
7.2–12V
Idle Current (Io)
0.55A @ 10V
Bushing/Bearing
Precision Bearings
Connector Type
3.5mm Bullet
Recommended Prop Range
10x4.7 to 12x3.8
Target Application
10–20 oz Park Flyers
Precision Motor DesignEngineered For Peak Aerial Performance
Outrunner ArchitectureSlotted 12-pole design delivering high torque
Gearless OperationExtremely quiet operation compared to geared drives
Direct ReplacementUpgrades legacy Speed 370 and Speed 400 applications
Included HardwareComes complete with prop adapter and motor mount
Pre-Installed ConnectorsEquipped with gold-plated 3.5mm bullet connectors
Optimized Scale WeightTailored for 10–20 oz 3D and scale park flyer models
Frequently Asked QuestionsEverything you need to know
What size ESC is recommended for the Park 400 Brushless Outrunner Motor, 740Kv?
A 10A to 20A brushless ESC is recommended to safely power the Park 400 Brushless Outrunner Motor, 740Kv.
What battery pack should I use with the Park 400 Brushless Outrunner Motor, 740Kv?
The Park 400 Brushless Outrunner Motor, 740Kv works best with a 2S or 3S LiPo battery (7.4V to 11.1V) with a capacity between 860mAh and 1320mAh.
What propeller size is best suited for the Park 400 Brushless Outrunner Motor, 740Kv?
Recommended prop sizes for the Park 400 Brushless Outrunner Motor, 740Kv range from 10x4.7 to 12x3.8 depending on your aircraft's weight and setup.
Does the Park 400 Brushless Outrunner Motor, 740Kv require a gearbox?
No, the external rotor outrunner design provides direct-drive torque, eliminating the weight and noise associated with gearboxes.