Cub Cadet lawn tractors

Cub Cadet 81

The Cub Cadet 81 is a lawn tractor produced from 1977 to 1979 by Cub Cadet, a part of International Harvester. It features an 8 hp Briggs & Stratton 318cc 1-cylinder air-cooled gasoline engine, a 3-speed belt-driven gear transmission with 3 forward and 1 reverse gears, and two-wheel drive with manual steering. The tractor has an open operator station and rides on 13x5.00-6 front and 18x8.50-8 rear lawn/turf tires. Dimensions include a 43 inch (109 cm) wheelbase, 61 inch (154 cm) length, and a shipping weight of 420 lbs (190 kg). Electrical system is 12 volts with negative ground. Attachments available include a 36" mid-mount mower deck, 42" front-mount blade, and 36" front-mount snow blower. Variants include the Cadet 80 with hydrostatic drive and the Cadet 81 with gear drive.
Power8 hp
Founded36" deck
Model81

Technical Specifications

Detailed specifications and technical data for Cub Cadet 81

Power
Power8 hp
Tires
Lawn/turf rear18x8.50-8
Lawn/turf front13x5.00-6
Engine
Power8 hp (6.0 kW)
Coolingair-cooled
Starterelectric
Cylinders1-cylinder
Fuel typegasoline
Air cleaneroiled foam
Bore/Stroke3.00x2.75 inches (76 x 70 mm)
Displacement318 cc (19.44 ci)
Engine detailBriggs & Stratton 191707
Starter volts12
Variants
Cadet 80hydrostatic
Cadet 81gear drive
Dimensions
Length61 inches (154 cm)
Wheelbase43 inches (109 cm)
Shipping weight420 lbs (190 kg)
Electrical
Groundnegative
Battery volts12
Mechanical
DriveTwo-wheel drive
Steeringmanual
Operator stationOpen operator station.
Production
TypeLawn tractor
ManufacturerCub Cadet (a part of International Harvester)
Years produced1977 - 1979
Attachments
42" BladeCub Cadet, front-mount, 42 inches width (106 cm), manual-lift, manual-angle
36" Snow blowerCub Cadet C-36, 36 inches width (91 cm), front-mount, manual-lift
36" mid-mount mower deckmid-mount Cub Cadet, 2-blade with manual lift, Cutting width 36 inches (91 cm), Cut height 1.5 to 4.5 inch (3 to 11 cm)
Transmission
Typebelt-driven gear
Gears3 forward and 1 reverse
Speeds3-speed gear