Tractorpedia.com

Simplicity 7790H

Simplicity 7790H tractor
View Images
The Simplicity 7790H is a garden tractor built by Simplicity in Port Washington, Wisconsin, USA. It was originally priced at $6,099 in 1985. This model is the same as the Allis Chalmers 920. It features an 18.5 hp Lombardini 790cc 2-cylinder air-cooled diesel engine, hydrostatic transmission with infinite forward and reverse speeds, and two-wheel drive with spur gear final drives. The tractor has manual steering with optional power steering, mechanical band brakes, and an open operator station. Electrical system includes a 12-volt battery with 500 CCA and a 16-amp flywheel alternator charging system. Dimensions include a 48.1 inch wheelbase, 70 inch length, and 689 lbs weight. Attachments available include mid-mount mower decks, blades, and snow blowers.
Simplicity 7790Hgarden tractorlawn tractorLombardini enginehydrostatic transmissionmower decksnow blowertractor specs
Power-
Founded-
Model7790H

Technical Specifications

Detailed specifications and technical data for Simplicity 7790H

Engine

Type:diesel
Model:Lombardini 10LD400-2
Power:18.5 hp (13.8 kW)
Cooling:air-cooled
Starter:electric
Cylinders:2-cylinder
Fuel tank:3 gal (11.4 L)
Rated RPM:2800
Air cleaner:dry
Bore/Stroke:3.386x2.677 inches (86 x 68 mm)
Displacement:790 cc (48.21 ci)
Starter volts:12
Oil change interval:300 h

Electrical

Ground:negative
Battery CCA:500
Battery Group:24
Battery volts:12
Charging amps:16
Charging system:flywheel alternator

Mechanical

Drive:Two-wheel drive
Brakes:Mechanical band brakes
Steering:manual (power optional)
Final drives:spur gear
Operator station:Open operator station

Production

Built in:Port Washington, Wisconsin, USA
Manufacturer:Simplicity
Original price:$6,099 in 1985

Attachments

42" Blade:mid-mount, 42 inches width (106 cm), 9 inches height (22 cm), 74 lbs (33 kg)
46" Blade:front-mount, 46 inches width (116 cm), 113 lbs (51 kg)
36" Snow blower:front-mount, 36 inches width (91 cm), Clear height:19 inches (48 cm), 128 lbs (58 kg)
42" Snow blower:front-mount, 42 inches width (106 cm), Total width:43.5 inches (110 cm), Clear height:19 inches (48 cm), 136 lbs (61 kg)
42" mid-mount mower deck:42 inches (106 cm), 3-blade, Cut height: 1.625 to 3.125 inch (4 to 7 cm), 146 lbs (66 kg)
48" mid-mount mower deck:48 inches (121 cm), Total width: 61 inches (154 cm), 3-blade, Cut height: 1.625 to 3.125 inch (4 to 7 cm), 158 lbs (71 kg)

Transmission

Type:belt-driven hydrostatic
Gears:infinite forward and reverse
Oil capacity:3 qts (2.8 L)

Tractor hitch

Type:sleeve hitch (Optional. Part number 1600055.)

Dimensions & Tires

Width:38.9 inches (98 cm)
Length:70 inches (177 cm)
Weight:689 lbs (312 kg)
Rear tire:23-10.50x12
Wheelbase:48.1 inches (122 cm)
Front tire:16-6.50x8
Height (hood):35.7 inches (90 cm)
Height (steering wheel):39.7 inches (100 cm)