Lawn Tractors > John Deere > 400

John Deere 400 Engine



John Deere 400 tractor photo
1972 - 1977
Model year
Snowmobile
Series map:
400
500
28.0hp
36.0hp
Engine Detail
Canadian Curtiss-Wright KEC 340/4
gasoline
2-cylinder
air-cooled
Displacement339 cc
20.7 ci
Bore/Stroke2.36x2.36 inches
60 x 60 mm
Power28 hp
20.9 kW
Fuel systemWalbro WDA-32 carburetor
Cooling systemfan
Rated RPM6500
Startermanual-recoil
 electric OptOptional
Starter volts12
SparkplugChampion L-81
Sparkplug gap0.020 inches
0.508 mm
Page information
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Updated on June 17, 2025
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