Lawn Tractors > J.I. Case > 446

J.I. Case 446 Engine



J.I. Case 446 lawn tractor photo
1972 - 1988
Model year
400 Series
Garden tractor
Series map:
444
446
14.0hp
16.0hp
Engine Detail
Onan B43M
gasoline
2-cylinder
air-cooled horizontal-shaft
Displacement709 cc
43.3 ci
Bore/Stroke3.25x2.625 inches
83 x 67 mm
Power (gross)16 hp
11.9 kW
Compression7:1
Rated RPM3600
Starter volts12
SparkplugChampion RH18Y
Sparkplug gap0.025 inches
0.635 mm
Point gap0.021 inches
0.533 mm
Intake valve clearance0.005 inches*Cold
0.127 mm
Exhaust valve clearance0.013 inches*Cold
0.330 mm
Engine Oil
446 gasoline engine oil chart
Oil capacity2 qts
1.9 L
Oil change25 h
Page information
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Updated on June 30, 2023
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