Wheel Horse lawn tractors

Wheel Horse B-81

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.
Power-
Founded-
ModelB-81

Technical Specifications

Detailed specifications and technical data for Wheel Horse B-81

Engine
Typegasoline
ModelBriggs & Stratton 191707
Coolingair-cooled vertical-shaft
Starterelectric
Cylinders1-cylinder
Fuel tank1.5 gal (5.7 L)
Point gap0.020 inches (0.508 mm)
Rated RPM3500
SparkplugChampion CJ-8
Bore/Stroke3.00x2.75 inches (76 x 70 mm)
Displacement318 cc (19.44 ci)
Oil capacity1.125 qts (1.1 L)
Power (gross)8 hp (6.0 kW)
Sparkplug gap0.030 inches (0.762 mm)
Starter volts12
Dimensions
Width34.5 inches (87 cm)
Height37 inches (93 cm)
Length65 inches (165 cm)
Weight400 lbs (181 kg)
Rear tire18x8.50-8
Wheelbase45.5 inches (115 cm)
Front tire13x5.00-6
Electrical
Groundnegative
Battery AH24
Battery volts12
Charging amps3
Production
SeriesB Series
CategoryLawn tractor
Original price$945 in 1978
Years produced1978 - 1979
Manufactured inSouth Bend, Indiana, USA
Attachments
36" mid-mount mower deck36 inches (91 cm), manual lift, rear-discharge, 108 lbs (48 kg)
42" Blade Wheel Horse 6-42BX01front-mount, 42 inches width (106 cm), 65 lbs (29 kg), manual-lift, manual-angle
36" Mower deck Wheel Horse 5-36XR0136 inches (91 cm), manual lift, rear-discharge, 108 lbs (48 kg)
36" Mower deck Wheel Horse 5-36XS0136 inches (91 cm), manual lift, right-discharge, 108 lbs (48 kg)
Transmission
Foote 4000
Typebelt-driven gear
Gears6 forward and 1 reverse
Usageused during 1979 model year production
Peerless 669
Typebelt-driven gear
Gears3 forward and 1 reverse
Usageused during 1978 model year production
Oil typeSAE 90 GL5
Oil capacity0.75 qts (0.7 L)
Transmission options3-speed gear, 6-speed gear