-- Description --

This brushless motor is for RC Boat, RC Marine. RC Jet Boat.  It made of four Magnetic poles, that makes it stronger in torque, lower in heat.

-- Specification & Features --

* Motor:

2440 KV4500 Brushless Motor

Shaft diameter: 2.3mm ("D" shape )

Outer shaft length: 13mm

Maximum outer diameter of the motor: 24mm

Mounting hole distance: 16mm

Mounting hole thread: M2.5

Length: 40mm

Power: 300W

Net Weight:61g

KV value: 4500KV

Speed: 7.4V-33300RPM;  11.1V-49950RPM

Recommendation( Not included in listing ): 2S-3S lithium battery, 40A ESC.

* Water Cooling Jacket:

Jacket length: 25mm

Water jacket outer diameter: 31mm

Water Nipple: OD 4mm, ID2.8mm

Material: aluminum alloy and copper

-- Item Contains --

1 Piece of Motor & Jacket or 1 Piece of Motor or 1 piece of water cooling jacket( Depends on your choice)