Search/Lawn Tractor/Deutz-Allis/1920 Ultima

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Lawn Tractor · 1987Unverified

Deutz-Allis 1920 Ultima

Name: Deutz-Allis 1920 Ultima
Brand: Deutz-Allis

Deutz-Allis 1920 Ultima — Ultima Series · 20 hp. Reference specifications; pending source verification.

The Deutz-Allis 1920 Ultima is a lawn tractor model with a rated power of 20 hp, placing it at the more powerful end of its class. This model was manufactured from 1987 to 1992. Its power source is a 2-cylinder petrol air-cooled engine, combined with a two-wheel drive system featuring a hydrostatic transmission. The Deutz-Allis 1920 Ultima has a listed operating weight of 395 kg, suitable for operations covering up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

20 hp

Weight

395 kg

Catalogue coverage

Variants represented

Richest spec table

66 rows

Recorded power

20 hp

Recorded weight

395 kg

Transmissions

hydrostatic

Production years

1987-1992

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

DistributorDeutz-AllisReference

ManufacturerSimplicityReference

Garden tractorReference

Two-wheel driveReference

Final drivesspur gearReference

Power steeringReference

Drum brakesReference

Open operator station.Reference

Variants

SunStar 20similar Simplicity modelReference

Engine

20HP Kohler 770cc 2-cyl gasolineReference

Fuel tank16.1 LReference

Kohler M20Reference

gasolineReference

2-cylinderReference

air-cooled horizontal-shaft opposed-twinReference

Displacement46.98 ciReference

Bore/Stroke79 x 78 mmReference

Power (gross)14.9 kWReference

Air cleanerdry dual elementReference

Compression6.6:1Reference

Rated RPM3400Reference

Starter volts12Reference

Oil capacity1.7 LReference

SparkplugChampion RV15YCReference

Sparkplug gap0.635 mmReference

Transmission

hydrostaticReference

TransmissionSundstrand 15Reference

Typeshaft-driven hydrostaticReference

Gearsinfinite forward and reverse (2-range)Reference

Oil capacity5.7 LReference

Oil typeType F ATFReference

PTO & Hydraulics

Rear Type0Reference

Rear PTOindependentReference

ClutchelectricReference

Rear PTO Type2000Reference

Rear PTO Type3400Reference

Front PTOindependentReference

Front PTO TypepulleyReference

Dimensions

Wheelbase129 cmReference

Weight395 kgReference

Front tire16x6.50-8Reference

Rear tire23x10.5-12Reference

Ag front16-6.50x8Reference

Ag rear23-10.5-12Reference

Lawn/turf front16x6.50-8Reference

Lawn/turf rear23x10.5-12Reference

Length198 cmReference

Width97 cmReference

Height (steering wheel)119 cmReference

Deutz-Allis 1920 attachments

42" mid-mount mower deckReference

48" mid-mount mower deckReference

60" mid-mount mower deckReference

snowblowerReference

bladeReference

front-end loaderReference

Electrical

GroundnegativeReference

Charging systemflywheel alternatorReference

Charging amps15Reference

Battery volts12Reference

Attachment overview

42" mid-mount mower deckReference

48" mid-mount mower deckReference

60" mid-mount mower deckReference

SnowblowerReference

BladeReference

Front-end loaderReference

A 38-inch tiller was available. The tiller required a rear lift kit and rear PTO. Tiller required the appropriate gear box for the PTO (2000 or 3400 RPM).Reference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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