Hobbywing Brushless motor Ezrun 4278SD G2 2250kV, 3-6S, 1:8

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Product details

The Ezrun 4278 G2 motor is the powerful solution for 1/8 scale truck models - especially when paired with the matching MAX8 G2 controller, which can increase the speed of this motor by an additional 25%. Thanks to its durable construction and innovative new design, it easily becomes the heart of the vehicle.

Features:

  • Newly designed sensor cable for better protection against water and dust
  • 4-pole rotor for high torque, quick acceleration, and stable performance
  • Low heat generation
  • CNC-machined aluminum housing
  • High-precision bearings for high durability and smooth operation
  • Easily disassembled for maintenance

Technical specifications:
Type: Brushless, Sensorless
RPM: 2250 kV
Idle current: 5.0 A
LiPo cell count: 3-6S
Number of poles: 4
Length: 78 mm
Diameter: 42 mm
Shaft length: 18.5 mm
Shaft diameter: 5 mm
Weight: 455 g
Application: 1/8 Truck, Crawler.

Key specifications

Engine type
Electric motor
Wavelength
18.50 mm
shaft diameters
5 mm
Max. Speed
2250 rpm
Item number
21226408

General information

Manufacturer
Hobbywing
Category
RC motors
Manufacturer no.
HW30402800
Release date
17.6.2022

Colour

Colour
Black

Material

Material group
Metal

Engine properties

Engine type
Electric motor
RC Electric motor type
Brushless electric motor
Internal combustion engine type
4-stroke
Motor version
Boat engine
Number of channels
4 x
rpm Volt
2250 CT
Wavelength
18.50 mm
shaft diameters
5 mm
Max. Speed
2250 rpm

Speed controller features

Speed controller type
Brushless
Number of cells NiCd/NiMH
6
Max.
2250
usableness
Boat

Voluntary climate contribution

CO₂-Emission
Climate contribution

Product dimensions

Length
7.80 cm
Width
9 cm
Height
5.50 cm
Diameter
42 mm
Weight
455 g

Package dimensions

Length
13.50 cm
Width
9 cm
Height
5.50 cm
Weight
532 g

30-day right of return
24 Months Warranty (Bring-in)

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Reviews & Ratings

Warranty score

How often does a product of this brand in the «RC motors» category have a defect within the first 24 months?

Source: Digitec Galaxus
  • 1.Reely
    0 %
  • 1.Velleman
    0 %
  • 3.Tamiya
    0.8 %
  • 4.Hobbywing
    0.9 %
  • Wilesco
    Not enough data

Warranty case duration

How many working days on average does it take to process a warranty claim from when it arrives at the service centre until it’s back with the customer?

Source: Digitec Galaxus
  • 1.Hobbywing
    2 days
  • Reely
    Not enough data
  • Tamiya
    Not enough data
  • Velleman
    Not enough data
  • Wilesco
    Not enough data

Return rate

How often is a product of this brand in the «RC motors» category returned?

Source: Digitec Galaxus
  • 1.Velleman
    0 %
  • 2.Tamiya
    1.8 %
  • 3.Hobbywing
    2 %
  • 4.Wilesco
    8 %
  • Reely
    Not enough data
Source: Digitec Galaxus