Torx XT140

The Torx XT140 is a 0.14 L (141 cc, 8.6 cu·in) natural aspirated single-cylinder four-stroke air-cooled internal combustion small gasoline engine with a vertical shaft. The Torx XT140 is used for general-purpose applications, such as lawn mowers.

The Torx XT140 engine has a single cylinder, overhead valve (OHV) and recoil starter. It is equipped with 0.8 L (0.21 US. gal. 0.18 Imp. gal.) fuel tank. The XT140 engine produced 3.9 PS (2.9 kW; 3.9 HP) at 3,600 rpm of maximum output power and 6.0 N·m (0.6 kg·m, 4.4 ft·lb) at 3,000 rpm of peak torque.

General information

Engine Specifications
Engine modelXT140
Engine type4-stroke, OHV, single-cylinder
Displacement141 cm3, (8.6 cu·in)
Max. horsepower3.9 PS (2.9 kW; 3.9 HP) at 3,600 rpm
Max. torque6.0 N·m (0.6 kg·m, 4.4 ft·lb) at 3,000 rpm
Cooling systemForced air
Lubricating systemSplash
Fuel tank capacity0.8 L (0.21 US. gal. 0.18 Imp. gal.)
Fuel usedUnleaded gasoline (octane number 86 or higher)
Starting systemRecoil starter
Stoping systemIgnition primary circuit ground
PTO shaft rotationCounterclockwise (from PTO shaft side)
Dry weight7.8 kg (17.2 lbs)

Cylinder Block and Head

It has an 65.0 mm (2.56 in) cylinder bore and 42.5 mm (1.67 in) piston stroke. Compression ratio rating is 8.5:1.

Cylinder block
Compression ratio:8.5:1
Cylinder bore:65.0 mm (2.56 in)
Piston stroke:42.5 mm (1.67 in)
Number of piston rings (compression / oil):2 / 1
Crankshaft center distance:21.25 mm (0.835 in)
Cylinder head
Valve arrangement:OHV

Service Data

The engine oil with a viscosity of 10W-30 is recommended for the XT140, refilling oil capacity is 0.55 L (0.58 US. qt, 0.48 Imp. qt.).

Oil system
Lubrication system:Splash
Oil capacity:0.55 L (0.58 US. qt, 0.48 Imp. qt.)
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.

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