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Lawn Tractor · 1978Unverified

Wheel Horse B-81

Name: Wheel Horse B-81
Brand: Wheel Horse

Wheel Horse B-81 — B Series · 8 hp. Reference specifications; pending source verification.

The Wheel Horse B-81 is a lawn tractor with an 8 hp rated power output, positioning it at the lighter end of its class. Manufactured from 1978 to 1979, it features a 1-cylinder petrol air-cooled engine paired with a two-wheel drive system and a 3-speed gearbox. The tractor has a listed operating weight of 181 kg and is designed for use on 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

8 hp

Weight

181 kg

Catalogue coverage

Variants represented

Richest spec table

56 rows

Recorded power

8 hp

Transmissions

3-speed gear

Production years

1978-1979

Verified variants

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

Hover a source tag to verify

Overview

ManufacturerWheel HorseReference

Lawn tractorReference

Built in South Bend, Indiana, USAReference

Original price was $945 in 1978Reference

Two-wheel driveReference

Manual steeringReference

Open operator station.Reference

Engine

8HP Briggs & Stratton 318cc 1-cyl gasolineReference

Fuel tank5.7 LReference

Briggs & Stratton 191707Reference

gasolineReference

1-cylinderReference

air-cooled vertical-shaftReference

Displacement19.44 ciReference

Bore/Stroke76 x 70 mmReference

Power (gross)6.0 kWReference

Rated RPM3500Reference

StarterelectricReference

Starter volts12Reference

Oil capacity1.1 LReference

SparkplugChampion CJ-8Reference

Sparkplug gap0.762 mmReference

Point gap0.508 mmReference

Image courtesy of Nate BarnardReference

Transmission

3-speed gearReference

6-speed gearReference

TransmissionPeerless 669Reference

Typebelt-driven gearReference

Gears3 forward and 1 reverseReference

Oil capacity0.7 LReference

Oil typeSAE 90 GL5Reference

The Peerless 669 was used on the Wheel Horse B-81 during 1978 model year production.Reference

TransmissionFoote 4000Reference

Gears6 forward and 1 reverseReference

The Foote 4000 was used on the Wheel Horse B-81 during 1979 model year production.Reference

Dimensions

Wheelbase115 cmReference

Weight181 kgReference

Front tire13x5.00-6Reference

Rear tire18x8.50-8Reference

36" mid-mount mower deckReference

bladeReference

Lawn/turf front13x5.00-6Reference

Lawn/turf rear18x8.50-8Reference

Length165 cmReference

Width87 cmReference

Height93 cmReference

B-81 Serial Numbers

Location:Tractor model codes shown.Reference

197882-08BP01Reference

197992-08BF01Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference

Charging amps3Reference

Battery volts12Reference

Battery AH24Reference

Attachment overview

36" mid-mount mower deckReference

BladeReference

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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