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Lawn Tractor · 1972Unverified

Simplicity Yeoman 637

Name: Simplicity Yeoman 637
Brand: Simplicity

Simplicity Yeoman 637 — Yeoman Series · 7 hp. Reference specifications; pending source verification.

The Simplicity Yeoman 637 is a lawn tractor with a rated power of 7 hp, categorising it as a lighter model within its class. The Yeoman 637 was manufactured in 1972. It features a 1-cylinder petrol air-cooled engine and a two-wheel drive system with a 3-speed gearbox. The operating weight of the Yeoman 637 ranges from 268 to 288 pounds, 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

7 hp

Weight

268 to 288 pounds

Catalogue coverage

Variants represented

Richest spec table

50 rows

Recorded power

7 hp

Transmissions

3-speed gear

Production years

1972-1972

Verified variants

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

Hover a source tag to verify

Overview

ManufacturerSimplicity (a part of Allis Chalmers)Reference

Garden tractorReference

Two-wheel driveReference

Manual steeringReference

Mechanical band brakesReference

Open operator station.Reference

Engine

7HP Briggs & Stratton 275cc 1-cyl gasolineReference

Fuel tank3.8 LReference

Briggs & Stratton 17000Reference

gasolineReference

1-cylinderReference

air-cooled vertical-shaftReference

Displacement16.79 ciReference

Bore/Stroke76 x 60 mmReference

Power (gross)5.2 kWReference

Startermanual recoilReference

StarterelectricReference

Starter volts12Reference

Oil capacity1.0 LReference

Transmission

3-speed gearReference

Typebelt-driven gearReference

Gears3 forward and 1 reverseReference

PTO & Hydraulics

Mid PTOindependentReference

ClutchmanualReference

Dimensions

Wheelbase92 cmReference

Weight268 to 288 poundsReference

Front tire4.10/3.50x6Reference

Rear tire16-6.50x8Reference

Weight40 kgReference

Lawn/turf front4.10/3.50x6Reference

Lawn/turf rear16-6.50x8Reference

Length135 cmReference

Height (steering wheel)83 cmReference

Height (hood)72 cmReference

Weight121 kgReference

Weight130 kgReference

Rear tread54 cmReference

Simplicity Yeoman 637 attachments

32" mid-mount mower deckReference

snowblowerReference

bladeReference

Electrical

GroundnegativeReference

Battery volts12Reference

Attachment overview

32" mid-mount mower deckReference

SnowblowerReference

BladeReference

32" Mower deck

Typemid-mount Simplicity 990417Reference

Type3-blade with manual liftReference

Cutting width81 cmReference

Overall width91 cmReference

Cut height4 to 7 cmReference

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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