Compare/Deutz-Allis 1920 Ultima vs Deutz-Allis 917H

Deutz-Allis 1920 Ultima vs Deutz-Allis 917H

Verdict: Deutz-Allis 1920 Ultima vs Deutz-Allis 917H

The Deutz-Allis 1920 Ultima and the Deutz-Allis 917H are both lawn tractors — here is how they stack up on the figures that matter. Deutz-Allis 1920 Ultima leads on rated power with 20 hp against 17 hp. Deutz-Allis 917H is the lighter machine (378 kg vs 395 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Deutz-Allis 1920 Ultima holds more fuel (16.1 L vs 11.4 L) for longer stints between fills. Deutz-Allis 1920 Ultima is the newer design (1987 vs 1985). In short: choose the Deutz-Allis 1920 Ultima for outright pulling power, or the Deutz-Allis 917H if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a demo.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

Deutz-Allis

Fit score

Best match

Clear

Deutz-Allis

Fit score

Best match

Clear

Rated power

20 hp

17 hp

Confidence

40%

Guide price

—

Overview

Distributor

Deutz-AllisReference

—

Manufacturer

SimplicityReference

Deutz-AllisReference

air-cooled horizontal-shaft opposed-twinReference

air-cooledReference

Final drives

spur gearReference

—

Variants

SunStar 20

similar Simplicity modelReference

—

Engine

Fuel tank

16.1 LReference

11.4 LReference

Displacement

46.98 ciReference

42.2 ciReference

Bore/Stroke

79 x 78 mmReference

79 x 70 mmReference

Power (gross)

14.9 kWReference

—

Air cleaner

dry dual elementReference

—

Compression

6.6:1Reference

—

Rated RPM

3400Reference

3600Reference

Starter volts

12Reference

Oil capacity

5.7 LReference

—

Sparkplug

Champion RV15YCReference

—

Sparkplug gap

0.635 mmReference

—

Power

—

12.7 kWReference

Transmission

Sundstrand 15Reference

—

Type

shaft-driven hydrostaticReference

hydrostaticReference

Gears

infinite forward and reverse (2-range)Reference

infinite forward and reverseReference

Oil type

Type F ATFReference

—

PTO & Hydraulics

Rear Type

0Reference

—

Rear PTO

independentReference

liveReference

Clutch

electricReference

—

Rear PTO Type

3400Reference

—

Front PTO

independentReference

liveReference

Front PTO Type

pulleyReference

—

Mid PTO

—

liveReference

Dimensions

Wheelbase

129 cmReference

Weight

395 kgReference

378 kgReference

Front tire

16x6.50-8Reference

16-6.50x8Reference

Rear tire

23x10.5-12Reference

23-10.50x12Reference

Ag front

16-6.50x8Reference

—

Ag rear

23-10.5-12Reference

—

Lawn/turf front

16x6.50-8Reference

16-6.50x8Reference

Lawn/turf rear

23x10.5-12Reference

23-10.50x12Reference

Length

198 cmReference

177 cmReference

Width

97 cmReference

93 cmReference

Height (steering wheel)

119 cmReference

—

Height

—

101 cmReference

Ground clearance

—

20 cmReference

Deutz-Allis 1920 attachments

Electrical

Ground

negativeReference

Charging system

flywheel alternatorReference

—

Charging amps

15Reference

Battery volts

12Reference

Attachment overview

Deutz-Allis 917H attachments

Links

48" Mower deck

Cutting width

—

121 cmReference

Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.