Allis Chalmers lawn tractors

Allis Chalmers 912

The Allis Chalmers 912 is a garden tractor produced from 1979 to 1985 as part of the 900 Series. It was built in Port Washington, Wisconsin, USA, and originally sold for $4,679 in 1985. It features a 12 hp Kohler K301S 476cc 1-cylinder air-cooled gasoline engine, with a 3-gallon fuel tank. Transmission options include a 6-speed gear or hydrostatic, both belt-driven. The tractor has two-wheel drive, manual steering, mechanical band brakes, and an open operator station. It includes live PTOs at the rear, mid, and front. Dimensions include a 50.7 inch wheelbase, 70 inch length, and weighs between 661 and 687 pounds depending on transmission. Tires are 16-6.50x8 front and 23-8.50x12 rear. Attachments available include mid-mount mower decks (42" and 48"), blades (42" and 46"), and snow blowers (36" and 42"). Electrical system features a 12-volt battery with 15 amp charging via flywheel alternator.

Power12 hp

Founded42/48" deck

Model912

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Technical Specifications

Detailed specifications and technical data for Allis Chalmers 912

Engine

Type	gasoline
Model	Kohler K301S
Power	12 hp (8.9 kW)
Cooling	air-cooled horizontal-shaft
Starter	electric
Cylinders	1-cylinder
Fuel tank	3 gal (11.4 L)
Rated RPM	3600
Air cleaner	dry
Bore/Stroke	3.38x3.25 inches (86 x 83 mm)
Displacement	476 cc (29.07 ci)
Starter volts	12

Overview

Series	900 Series
Built in	Port Washington, Wisconsin, USA
Category	Garden tractor
Original price	$4,679 in 1985
Production years	1979 - 1985

Dimensions

Width	36.9 inches (93 cm)
Length	70 inches (177 cm)
Rear tire	23-8.50x12
Wheelbase	50.7 inches (128 cm)
Front tire	16-6.50x8
Rear tread	27 inches (68 cm)
Front tread	30 inches (76 cm)
Gear Weight	661 lbs (299 kg)
Hydro Weight	687 lbs (311 kg)
Height (hood)	35.7 inches (90 cm)
Clearance (front axle)	8 inches (20 cm)
Height (steering wheel)	39.7 inches (100 cm)

Electrical

Ground	negative
Battery AH	45
Battery volts	12
Charging amps	15
Charging system	flywheel alternator

Mechanical

Drive	Two-wheel drive
Brakes	Mechanical band brakes
Steering	Manual steering
Operator station	Open operator station

Attachments

42" Blade	mid-mount, 42 inches width (106 cm), 9 inches height (22 cm), Weight: 74 lbs (33 kg)
46" Blade	front-mount, 46 inches width (116 cm), Weight: 113 lbs (51 kg)
36" Snow blower	36 inches width (91 cm), Clear height:19 inches (48 cm), front-mount, Weight: 128 lbs (58 kg)
42" Snow blower	42 inches width (106 cm), Total width:43.5 inches (110 cm), Clear height:19 inches (48 cm), front-mount, Weight: 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), Weight: 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), Weight: 158 lbs (71 kg)

Transmission

Options	6-speed gear, hydrostatic
Oil type	Allis-Chalmers Power Fluid 821
Oil change interval	400 h
Gear transmission type	belt-driven gear
Gear transmission gears	6 forward and 2 reverse
Hydrostatic transmission type	belt-driven hydrostatic
Gear transmission oil capacity	2.25 qts (2.1 L)
Hydrostatic transmission gears	infinite forward and reverse
Hydrostatic transmission oil capacity	3 qts (2.8 L)