Deutz-Allis lawn tractors

Deutz-Allis 1918 Ultima

The Deutz-Allis 1918 Ultima is a garden tractor produced from 1987 to 1992 by Simplicity and distributed by Deutz-Allis. It is part of the Ultima Series and features an 18 hp Kohler M18 gasoline engine with a 691 cc displacement. The tractor has a shaft-driven hydrostatic transmission with infinite forward and reverse speeds. It is a two-wheel drive with manual steering and optional hydrostatic power steering. The tractor includes independent front and rear PTOs with electric clutches. It has a wheelbase of 51 inches and weighs 825 lbs. Various attachments are available including mower decks, blades, snowblowers, and a front-end loader.

Power-

Founded-

Model1918 Ultima

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Technical Specifications

Detailed specifications and technical data for Deutz-Allis 1918 Ultima

Tires

Ag rear	23-10.5-12
Ag front	16-6.50x8
Lawn/turf rear	23x10.5-12
Lawn/turf front	16x6.50-8

Engine

Type	gasoline
Model	Kohler M18
Cylinders	2-cylinder
Fuel tank	4.25 gal (16.1 L)
Rated RPM	3400
Sparkplug	Champion RV15YC
Air cleaner	dual dry element
Bore/Stroke	3.125x2.75 inches (79 x 70 mm)
Displacement	691 cc (42.18 ci)
Oil capacity	1.5 qts (1.4 L)
Configuration	air-cooled horizontal-shaft opposed-twin
Power (gross)	18 hp (13.4 kW)
Sparkplug gap	0.025 inches (0.635 mm)
Starter volts	12
Compression ratio	6.0:1

Dimensions

Width	38.5 inches (97 cm)
Length	78 inches (198 cm)
Weight	825 lbs (374 kg)
Wheelbase	51 inches (129 cm)
Height (steering wheel)	47 inches (119 cm)

Electrical

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

Mechanical

Drive	Two-wheel drive
Brakes	Drum brakes
Steering	manual
Final drives	spur gear
Power steering	hydrostatic power Optional
Operator station	Open operator station

Production

Type	Garden tractor
Series	Ultima Series
Distributor	Deutz-Allis
Manufacturer	Simplicity
Years produced	1987 - 1992

Attachments

Blade	46 inches width (116 cm), front-mount
Tiller	38-inch tiller available, requires rear lift kit and rear PTO, appropriate gear box for PTO (2000 or 3400 RPM)
Snowblower	42 inches width (106 cm), single-stage, front-mount; 46 inches width (116 cm), dual-stage, front-mount
Front-end loader	400 lbs lift (full at pin) (181 kg), 500 lbs breakout (at pin) (226 kg), 41° dump, 12.5 inches reach (dumped) (31 cm), 42.5 inches reach (ground) (107 cm), 16° rollback, 72 inches height (at pin) (182 cm), 55 inches clearance (dumped) (139 cm), boom cyl: 1.5 inches (3 cm), bucket cyl: 1.5 inches (3 cm), Bucket width: 38 inches (96 cm) and 48 inches (121 cm)
42" mid-mount mower deck	42 inches (106 cm), Total width: 54 inches (137 cm), 179 lbs (81 kg)
48" mid-mount mower deck	48 inches (121 cm), Total width: 60 inches (152 cm), 3-blade, 178 lbs (80 kg)
60" mid-mount mower deck	60 inches (152 cm), Total width: 74 inches (187 cm), 3-blade, 298 lbs (135 kg)