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Wheel Horse B-81

Wheel Horse B-81 tractor
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The Wheel Horse B-81 is a lawn tractor produced from 1978 to 1979 as part of the B Series. It features an 8 hp Briggs & Stratton 318cc 1-cylinder gasoline engine, with a fuel tank capacity of 1.5 gallons (5.7 L). The tractor offers transmission options including a 3-speed and a 6-speed gear, with Peerless 669 and Foote 4000 transmissions used in different production years. It has a wheelbase of 45.5 inches (115 cm), weighs 400 lbs (181 kg), and rides on 13x5.00-6 front and 18x8.50-8 rear lawn/turf tires. Electrical system includes a 12-volt battery with 24 AH capacity and a 3 amp charging system. Attachments available include 36" mid-mount mower decks and a 42" front-mount blade. The B-81 was built in South Bend, Indiana, USA, and originally sold for $945 in 1978.
Wheel Horse B-81lawn tractorBriggs & Stratton 8 hp engine3-speed transmission6-speed transmissionmower decktractor specifications
Power-
Founded-
ModelB-81

Technical Specifications

Detailed specifications and technical data for Wheel Horse B-81

Engine

Type:gasoline
Model:Briggs & Stratton 191707
Cooling:air-cooled vertical-shaft
Starter:electric
Cylinders:1-cylinder
Fuel tank:1.5 gal (5.7 L)
Point gap:0.020 inches (0.508 mm)
Rated RPM:3500
Sparkplug:Champion CJ-8
Bore/Stroke:3.00x2.75 inches (76 x 70 mm)
Displacement:318 cc (19.44 ci)
Oil capacity:1.125 qts (1.1 L)
Power (gross):8 hp (6.0 kW)
Sparkplug gap:0.030 inches (0.762 mm)
Starter volts:12

Dimensions

Width:34.5 inches (87 cm)
Height:37 inches (93 cm)
Length:65 inches (165 cm)
Weight:400 lbs (181 kg)
Rear tire:18x8.50-8
Wheelbase:45.5 inches (115 cm)
Front tire:13x5.00-6

Electrical

Ground:negative
Battery AH:24
Battery volts:12
Charging amps:3

Production

Series:B Series
Category:Lawn tractor
Original price:$945 in 1978
Years produced:1978 - 1979
Manufactured in:South Bend, Indiana, USA

Attachments

36" mid-mount mower deck:36 inches (91 cm), manual lift, rear-discharge, 108 lbs (48 kg)
42" Blade Wheel Horse 6-42BX01:front-mount, 42 inches width (106 cm), 65 lbs (29 kg), manual-lift, manual-angle
36" Mower deck Wheel Horse 5-36XR01:36 inches (91 cm), manual lift, rear-discharge, 108 lbs (48 kg)
36" Mower deck Wheel Horse 5-36XS01:36 inches (91 cm), manual lift, right-discharge, 108 lbs (48 kg)

Transmission

Foote 4000

Type:belt-driven gear
Gears:6 forward and 1 reverse
Usage:used during 1979 model year production

Peerless 669

Type:belt-driven gear
Gears:3 forward and 1 reverse
Usage:used during 1978 model year production
Oil type:SAE 90 GL5
Oil capacity:0.75 qts (0.7 L)
Transmission options:3-speed gear, 6-speed gear

Related Models

Wheel Horse B-111

Model:B-111