The Agusta GA.140/V is a 4-cylinder, air-cooled, horizontally opposed engine mounted vertically, developed in Italy for helicopter use and produced from 1962 to 1969.

Specifications (G.A.140/V)

Data from Jane's All the World's Aircraft 1962–63^[1]

General characteristics

• Type: 4-cylinder air-cooled horizontally opposed helicopter piston engine
• Bore: 114.3 mm (4.50 in)
• Stroke: 88.9 mm (3.50 in)
• Displacement: 3.653 L (222.92 cu in)
• Length: 580 mm (22.83 in)
• Width: 800 mm (31.50 in)
• Height: 690 mm (27.17 in)
• Dry weight: 116 kg (256 lb) dry
• Designer: M. Ginnini

Components

• Valvetrain: pushrod operated overhead valve, 2x inlet + 2x exhaust per cylinder
• Fuel system: Marvel-Schebler MA 4.5 carburettor
• Fuel type: 91 octane minimum
• Oil system: Pressure lubrication with a gear driven pump
• Cooling system: Air-cooled

Performance

• Power output: 102.91 kW (138 hp) at 3,200 rpm
• Specific power: 28.173 kW/L (0.619 hp/cu in)
• Compression ratio: 8.2:1
• Power-to-weight ratio: 0.887 kW/kg (0.5395 hp/lb)

Applications

• Agusta A.104