simplicity lawn tractors 4041
![]()  | 1973 - 1974
PowrMax SeriesGarden tractor  | 1973 - 1974  | PowrMax Series  | Garden tractor  | 
|---|---|---|---|---|
1973 - 1974  | ||||
PowrMax Series  | ||||
Garden tractor  | ||||
1973 - 1974  | |
|---|---|
PowrMax Series  | |
Garden tractor  | 
Engine Detail  | |
|---|---|
Onan CCKB  | |
gasoline  | |
2-cylinder  | |
air-cooled horizontal-shaft opposed-twin  | |
Displacement  | 816 cc
49.8 ci  | 
Bore/Stroke  | 3.25x3.00 inches
83 x 76 mm  | 
Power (gross)  | 19.5 hp
14.5 kW  | 
Air cleaner  | paper element  | 
Compression  | 7:1  | 
Rated RPM  | 3600  | 
Idle RPM  | 1200-3850  | 
Starter  | electric  | 
Starter volts  | 12  | 
Sparkplug  | Champion H-8  | 
Sparkplug gap  | 0.025 inches
0.635 mm  | 
Point gap  | 0.020 inches
0.508 mm  | 
Intake valve clearance  | 0.007 inches
0.178 mm  | 
Exhaust valve clearance  | 0.016 inches
0.406 mm  | 
Engine Oil  | |
|---|---|
![]()  | |
Oil capacity  | 3.5 qts
3.3 L  | 
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Classic Tractors: Complete Encyclopedia
Comprehensive guide to classic tractor models from all major brands
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