Lawn tractors J.I. Case

J.I. Case 446 Engine

J.I. Case 446
J.I. Case 446

Engine

Engine Detail
Engine Onan B43M
Fuel gasoline
Cylinders 2-cylinder
Cooling / layout 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
Oil capacity2 qts
1.9 L
Oil change25 h

Values may vary by engine, transmission or configuration. View source page