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O.S. Engines GF40 with F-6040 reso (39400)

Price in EUR including VAT
1Ratings
BrandMore from O.S. Engines
Delivered between Thu, 16/4 and Sat, 18/4
7 pieces in stock at supplier
free shipping

Product details

The O.S. GF 40 combines the user-friendliness and efficiency of a traditional 4-stroke engine with a gasoline engine. Its quick and powerful response is ideal for scale, sport, and aerobatic models. The mounting points are identical to those of the GT 33 2-stroke engine. The carburetor was developed by O.S. in collaboration with Walbro® specifically for this engine.

Technical specifications:

  • Cooling: Air
  • Width [mm]: 83.7 mm
  • Shaft thread: UNF-5/16-24
  • Mounting holes lengthwise [mm]: 54 mm high
  • Carburetor: WT GF 40
  • Total weight [g]: 1378 g
  • Height approx. [mm]: 157.2 mm
  • Mounting hole Ø [mm]: 5.2 mm
  • RPM range approx.: 1800 - 9000 RPM
  • Bore [mm]: 40 mm
  • Mounting holes crosswise [mm]: 70 mm
  • Displacement [ccm]: 39.96 cm³
  • Power kW (HP) at: 3.75 at 9000 RPM
  • Recommended propeller: 18x8 - 20x10
  • Length to hub: 118.5 mm
  • Stroke [mm]: 31.8 mm
  • Shaft Ø [mm]: 7.8 mm
  • Brand name: O.S.
  • Application area: Model aircraft
  • Includes muffler: Yes
  • Fuel: Gasoline
  • Design: 4-stroke gasoline
  • Manufacturer's article number: OS39400
  • The O.S. GF40 engine operates with "regular" gasoline mixture 1:25.

Key specifications

Engine type
Internal combustion engine
Cubic capacity
39.96 cm³
shaft diameters
7.80 mm
Max. Speed
9000 rpm

General information

Item number
630880
Manufacturer
O.S. Engines
Category
RC motors
Manufacturer no.
39400
Release date
16/11/2012

Colour

Colour
Multicoloured

Target group

Warning label toy
Caution: Not suitable for children under 14 years of age

Engine properties

Engine type
Internal combustion engine
Internal combustion engine type
4-stroke
Motor version
Aeroplane engine
Cubic capacity
39.96 cm³
shaft diameters
7.80 mm
Max. Speed
9000 rpm

Speed controller features

usableness
Aeroplane

Voluntary climate contribution

CO₂ emissions
15,58 kg
Climate contribution
EUR 0,40

Product dimensions

Length
11.85 cm
Width
8.37 cm
Height
15.72 cm
Weight
1378 g

Package dimensions

Length
30.50 cm
Width
25.80 cm
Height
15 cm
Weight
1.99 kg

14-day cancellation right
30-day right of return
24 Months statutory warranty
Legal concerns

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Reviews & Ratings

Statutory warranty score

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

Source: Galaxus
  • O.S. Engines
    Not enough data
  • 1.Velleman
    0 %
  • 2.Tamiya
    0,6 %
  • 3.Hobbywing
    1 %

Statutory 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: Galaxus
  • O.S. Engines
    Not enough data
  • 1.Hobbywing
    0 days
  • Tamiya
    Not enough data
  • Velleman
    Not enough data

Return rate

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

Source: Galaxus
  • O.S. Engines
    Not enough data
  • 1.Velleman
    0 %
  • 2.Tamiya
    1,7 %
  • 3.Hobbywing
    2,9 %
Source: Galaxus