Model	EY20-3D	EY28
Type	Air-cooled, 4-cycle, upright single cylinder, side, valve, horizontal PTO shaft	Air Cooled 4 Cycle Single Cylinder Side Valve Horizontal Shaft Gasoline Engine
(Bore x Stroke (mm	52x67	62x75
Piston displacement(cm3	183	273
Maximum output[HP(kw)/rpm	3.7(5.0)/4000	7.5(5.5)/4000
Continuous output[HP(kw)/rpm	2.2(3.0)/3000 2.6(3.5)/3600	5.5(4.0)/3600
Maximum torque[kgm(Nm)/rpm	9.3(0.95)/2800 (6.87/2800)	1.4(13.7)/2800
P.T.O Shaft Rotation	Counter-Clockwise Facing P.T.O.Shaft	Counter-Clockwise Facing P.T.O.Shaft
Fuel	Automobile(unleaded)gasoline	AutoAutomobile Gasoline
(Fuel Tank capacity(L	3.8	5.5
Lubricating Oil Capacity(L	0.6	0.85
Ignition System	Transistorised	Pointless Electronic Ignition
Starting System	Recoil Starter	(Recoil Starter(Electric Starter as Option
(Dry Weight(kg	15.2	21
Dimension (L x W x H(mm	303x326x392	346x386x440