Deutz-Allis lawn tractors

Deutz-Allis 1817 Sigma

The Deutz-Allis 1817 Sigma is a garden tractor produced from 1989 to 1991 by Simplicity and distributed by Deutz-Allis. It features a 17 hp Kohler KT-17 2-cylinder air-cooled gasoline engine with a 691 cc displacement. The tractor uses an Eaton 850 hydrostatic transmission with infinite forward and reverse speeds. It has a wheelbase of 48.3 inches and weighs 512 lbs. The 1817 Sigma is equipped with lawn/turf tires sized 15x6.00-6 front and 23x10.5-12 rear. Electrical system is 12 volts with negative ground. Attachments include a 48" mid-mount mower deck, snowblower, and blade, making it versatile for lawn and garden tasks.

Power17 hp

Founded48" deck

Model1817

View Images

Technical Specifications

Detailed specifications and technical data for Deutz-Allis 1817 Sigma

Tires

Rear tire	23x10.5-12
Front tire	15x6.00-6

Engine

Type	gasoline
Model	Kohler KT-17
Power	17 hp (12.7 kW)
Cooling	air-cooled
Cylinders	2-cylinder
Fuel tank	2.2 gal (8.3 L)
Bore/Stroke	3.44x2.16 inches (87 x 55 mm)
Displacement	691 cc (42.18 ci)
Starter volts	12

Dimensions

Width	37 inches (93 cm)
Length	67 inches (170 cm)
Weight	512 lbs (232 kg)
Wheelbase	48.3 inches (122 cm)
Height (hood)	32.6 inches (82 cm)
Height (steering wheel)	41.4 inches (105 cm)

Electrical

Ground	negative
Battery volts	12

Production

Type	Garden tractor
Series	Sigma Series
Distributor	Deutz-Allis
Manufacturer	Simplicity
Years produced	1989 - 1991

Attachments

Blade	42 inches (106 cm) front-mount
Snowblower	36 inches (91 cm) and 42 inches (106 cm) front-mount
48" mid-mount mower deck	48 inches (121 cm) cutting width, mid-mount Deutz-Allis

Transmission