simplicity lawn tractors 7790h
![]()  | Garden tractor  | Garden tractor  | 
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Garden tractor  | ||
Garden tractor  | 
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Note: the Simplicity model 7790H is the same as the Allis Chalmers 920. The following data is from the  920 listing.  | 
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Engine Detail  | |
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Lombardini 10LD400-2  | |
diesel  | |
2-cylinder  | |
air-cooled  | |
Displacement  | 790 cc
48.21 ci  | 
Bore/Stroke  | 3.386x2.677 inches
86 x 68 mm  | 
Power  | 18.5 hp
13.8 kW  | 
Air cleaner  | dry  | 
Rated RPM  | 2800  | 
Starter  | electric  | 
Starter volts  | 12  | 
Engine Oil  | |
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![]()  | |
Oil change  | 300 h  | 
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