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Lawn Tractor · 1975Unverified

Montgomery Ward Twin 20

Name: Montgomery Ward Twin 20
Brand: Montgomery Ward

Montgomery Ward Twin 20 — Garden tractor · 20 hp. Reference specifications; pending source verification.

The Montgomery Ward Twin 20 is a lawn tractor model with a rated power output of 20 hp, positioning it at the higher end of its class in terms of power. It was manufactured during the 1975 to 1976 period. The Twin 20 is equipped with a 2-cylinder petrol air-cooled engine and two-wheel drive, coupled with a hydrostatic transmission. Its listed operating weight is 589 kg, making it suitable for areas of 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

589 kg

Catalogue coverage

Variants represented

Richest spec table

91 rows

Recorded power

20 hp

Recorded weight

589 kg

Transmissions

hydrostatic

Production years

1975-1976

Verified variants

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

Hover a source tag to verify

Overview

DistributorMontgomery WardReference

ManufacturerSimplicityReference

Garden tractorReference

Built in Port Washington, Wisconsin, USAReference

Original price was $3,650 in 1975Reference

The Montgomery Ward Twin 20 carried model codes SIM33300, SIM33301, SIM33302 and SIM33303 depending on tire options.Reference

Two-wheel driveReference

Manual steeringReference

Disc brakesReference

Open operator station.Reference

Variants

9020similar Simplicity modelReference

720similar Allis Chalmers modelReference

Engine

19.9HP Onan 816cc 2-cyl gasolineReference

Fuel tank14.4 LReference

Onan CCKBReference

gasolineReference

2-cylinderReference

air-cooled horizontal-shaft opposed-twinReference

Displacement49.8 ciReference

Bore/Stroke83 x 76 mmReference

Power (gross)14.8 kWReference

Air cleanerpaper elementReference

Compression7:1Reference

Rated RPM3600Reference

Idle RPM1300-3850Reference

StarterelectricReference

Starter volts12Reference

SparkplugChampion H-8Reference

SparkplugAutolite AL5Reference

Sparkplug gap0.635 mmReference

Point gap0.508 mmReference

Intake valve clearance0.178 mmReference

Exhaust valve clearance0.406 mmReference

Oil capacity3.8 LReference

Oil change100 hReference

Transmission

hydrostaticReference

TransmissionSundstrandReference

TypehydrostaticReference

Gearsinfinite forward and reverse (3-range)Reference

Oil capacity5.7 LReference

Oil typeATF AATF FDextronReference

Oil typeATF AReference

Oil typeATF FReference

Oil typeDextronReference

PTO & Hydraulics

Pressure34.5 barReference

Front valves1Reference

Total flow9.5 lpmReference

Rear Type0Reference

Rear PTOindependentReference

ClutchelectricReference

Rear PTO Type2000Reference

Front PTOindependentReference

Front PTO Type3600Reference

Dimensions

Wheelbase142 cmReference

Weight589 kgReference

Front tire20x8.00-10Reference

Rear tire29x12.00-15Reference

Weight127 kgReference

Weight272 kgReference

Lawn/turf front20x8.00-10Reference

Lawn/turf rear29x12.00-15Reference

Length210 cmReference

Width142 cmReference

Height (steering wheel)121 cmReference

Shipping weight589 kgReference

Clearance (front axle)38 cmReference

Clearance (drawbar)33 cmReference

Montgomery Ward Twin 20 attachments

60" mid-mount mower deckReference

snowblowerReference

bladeReference

front-end loaderReference

backhoeReference

Electrical

GroundnegativeReference

Charging systemflywheel alternatorReference

Charging amps20Reference

Charging volts12Reference

Battery volts12Reference

Battery AH45Reference

Attachment overview

60" mid-mount mower deckReference

SnowblowerReference

BladeReference

Front-end loaderReference

BackhoeReference

Advertised attachments for the Montgomery Ward Twin 20 included a 48-inch PTO-driven tiller and a Danco-built 48-inch rear rotary mower.Reference

60" Mower deck

Typemid-mount Montgomery Ward 33305Reference

Type3-bladeReference

Cutting width152 cmReference

Montgomery Ward 33319 Backhoe

Backhoe typeMontgomery Ward 33319 BackhoeReference

Digging depth182 cmReference

Reach from pivot274 cmReference

Swing Arc135°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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