Horizontal Crankshaft


Make light work of hard tasks. Get cleaner, more efficient performance for a wide range of equipment.

Horizontal Crankshaft

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GX50 Specifications
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Dimensions diagrams


Common model dimensions illustrated above. Model specific dimensions available in the "Downloads" menu.

Performance Curve



Engine Type Air-cooled 4-stroke OHC
Bore x Stroke 43 mm x 33 mm
Displacement 47.9 cm3
Net Power Output* 2.0 HP (1.47 kW) @ 7,000 rpm
Net Torque 1.6 lbf-ft (2.2 N-m) @ 5,500 rpm
PTO Shaft Rotation Counterclockwise (from PTO shaft side)
Compression Ratio 8.0:1
Fuel Tank Capacity 0.63 litres (0.67 U.S. qts)
Lamp/Charge coil options N/A
Carburetor Diaphragm-type (overflow return)
Ignition System Transistorized magneto
Starting System Recoil
Lubrication System Crankcase pressure driven (oil mist)
Governor System N/A
Air Cleaner Dry paper
Oil Capacity 130 cc (4.4 U.S. oz)
Fuel Unleaded 86 octane or higher
Dry Weight 4.15 kg (9.1 lbs)


Length (min) 199 mm (7.8")
Width (min) 260 mm (10.2")
Height (min) 263 mm (10.4")

*The power rating of the engine indicated in this document is the net power output tested on a production engine for the engine model and measured in accordance with SAE J1349 at 7,000 rpm (net power) and at 5,500 rpm (max net torque). Mass production engines may vary from this value. Actual power output for the engine installed in the final machine will vary depending on numerous factors, including the operating speed of the engine in application, environmental conditions, maintenance, and other variables.

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