Deutz-Allis 1918 Ultima
The Deutz-Allis 1918 Ultima is a tractor produced by Deutz Allis Lawn Tractors. It is equipped with a 691 cc 42.18 ci engine. The listed engine power is Gasoline (gross): 18 hp / 13.4 kW. Transmission: Sundstrand 15. Operating weight: 955 lbs 433 kg.
Engine Power
Gasoline (gross): 18 hp / 13.4 kW
Fuel & Capacities
4.25 gal
16.1 L
Transmission
Sundstrand 15
Operating Weight
955 lbs
433 kg
Overview
 | 1987 - 1992
Ultima SeriesGarden tractorSimplicity built
Ultima Series
Garden tractor
Simplicity built |
|---|
Production | |
|---|---|
Distributor | Deutz-Allis |
Manufacturer | Simplicity |
Garden tractor | |
Deutz-Allis 1918 Engine | |
|---|---|
18HP Kohler 691cc 2-cyl gasoline | |
Fuel tank | 4.25 gal
16.1 L |
Engine details ...  | |
Deutz-Allis 1918 Transmission | |
|---|---|
hydrostatic | |
Transmission details ...  |
Mechanical | |
|---|---|
Two-wheel drive | |
Final drives | spur gear |
Steering | manual |
hydrostatic power optional | |
Drum brakes | |
Open operator station. | |
Tractor hitch | |
|---|---|
Rear Type | 0 OptOptional |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent OptOptional |
Rear PTO Type | 2000 |
Mid PTO | independent |
Clutch | electric |
Dimensions & Tires | |
|---|---|
Wheelbase | 51 inches
129 cm |
Weight | 955 lbs
433 kg |
Front tire | 16-6.50x8 |
Rear tire | 23-10.5-12 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | flywheel alternator |
Charging amps | 15 |
Battery volts | 12 |
References | |
|---|---|
 | |
Operator's Manual 1918-1920 Tractor (1700171) published in 1986 | |
Lawn & Garden Riding Equipment published in 1988, by Deutz-Allis |
Engine
Engine Detail — 691 cc / 42.18 ci Gasoline
Manufacturer | Kohler M18 |
Fuel Type | Gasoline |
Configuration | 2-cylinder, air-cooled horizontal-shaft |
Displacement | 691 cc
42.18 ci |
Bore/Stroke | 3.125x2.75 inches
79 x 70 mm |
Power (gross) | 18 hp
13.4 kW |
Air cleaner | dual dry element |
Compression | 6.0:1 |
Rated RPM | 3600 |
Starter volts | 12 |
Oil capacity | 1.5 qts
1.4 L |
Sparkplug | Champion RV15YC |
Sparkplug gap | 0.025 inches
0.635 mm |
Transmission
Transmission — Sundstrand 15
Transmission | Sundstrand 15 |
Type | shaft-driven hydrostatic |
Gears | infinite forward and reverse |
Oil capacity | 6 qts
5.7 L |
Oil type | Type F ATF |
 | |
Type F ATF |
|---|
Dimensions
Deutz-Allis 1918 Tires | |
|---|---|
Ag front | 16-6.50x8 |
Ag rear | 23-10.5-12 |
Lawn/turf front | 16-6.50x8 |
Lawn/turf rear | 23-10.5-12 |
Dimensions | |
|---|---|
Wheelbase | 51 inches
129 cm |
Length | 78 inches
198 cm |
Width | 38.5 inches
97 cm |
Height (steering wheel) | 47 inches
119 cm |
Weight | 955 lbs
433 kg |
Attachments
Attachment overview | |
|---|---|
42" mid-mount mower deck | |
48" mid-mount mower deck | |
60" mid-mount mower deck | |
Snowblower | |
Blade | |
Front-end loader | |
A 38-inch chain-driven rear tiller was available. |
Photos
Deutz-Allis 1918 Ultima
Deutz-Allis 1918 Ultima garden tractor.
Deutz-Allis 1918 Ultima garden tractor.
Deutz-Allis 1918 Ultima garden tractor.
Recommended Implements & Sizing Guide
Engineering recommendations for Deutz Allis Lawn Tractors Deutz-Allis 1918 Ultima based on its 18 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 1 to 2 Bottom (12")1 - 2 铧 (30 cm) | Light Duty | Ideal for garden plots and light sandy soil. |
Rotary Cutter / MowerMowing & Clearing | 4 ft (48 in)1.2 m | Light Duty | Pasture clipping and light brush under 1" diameter. |
Rotary TillerSeedbed Prep | 42 to 48 in105 - 120 cm | Light Duty | Covers compact tractor tire width. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Deutz Allis Lawn Tractors Deutz-Allis 1918 Ultima.
Estimated Continuous Field Runtime: 4.6 hrs
Approximately 4.6 hours of continuous field operation at ~75% rated power on a full tank (4.3 gal / 16.1 L).
Estimated 75% Load Fuel Burn~0.9 gal/hr (3.5 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Deutz Allis Lawn Tractors Deutz-Allis 1918 Ultima Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Deutz Allis Lawn Tractors Deutz-Allis 1918 Ultima.
Converted Equivalents:
Horsepower (HP)18 hp
Kilowatts (kW)13.4 kW
Metric Horsepower (PS / CV)18.2 PS
Direct Competitor Comparison
Compare Deutz-Allis 1918 Ultima against same-era industry alternatives in the same horsepower class.
Current Model
Deutz Allis Lawn Tractors
Deutz-Allis 1918 Ultima
Engine Power:Gasoline (gross): 18 hp / 13.4 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester Type A 15HP
Engine Power:16.7
Production Years:1908 - 1911
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