John Deere lawn tractors

John Deere 66

The John Deere 66 is a riding lawn mower produced from 1975 to 1977. It was built in Horicon, Wisconsin, USA. It features a 6 hp Tecumseh V60 221cc 1-cylinder gasoline engine with air-cooled vertical-shaft design. The mower has a 5-speed belt-driven gear transmission with 5 forward and 1 reverse gear. It has two-wheel drive, manual steering, disc brakes, and an open operator station. The mower includes a mid PTO with an independent mechanical clutch. The 66 weighs between 305 lbs (recoil start) and 335 lbs (electric start). Tires are 4.80x4.00-8 front and 11x4.00-5 rear. Attachments include a 30" mid-mount mower deck with a 1-blade manual lift and a 38" front-mount blade. Electrical system is 12 volts with negative ground.
Power6 hp
Founded30" deck
Model66

Technical Specifications

Detailed specifications and technical data for John Deere 66

Engine
Typegasoline
ModelTecumseh V60
Power6 hp (4.5 kW)
Coolingair-cooled vertical-shaft
Startermanual recoil, electric Optional
Idle RPM1750-3700
Cylinders1-cylinder
Fuel tank1 gal (3.8 L)
Point gap0.020 inches (0.508 mm)
SparkplugChampion J-8
Air cleanerdry element
Bore/Stroke2.625x2.50 inches (67 x 64 mm)
Displacement221 cc (13.53 ci)
Oil capacity0.85 qts (0.8 L)
Sparkplug gap0.030 inches (0.762 mm)
Starter volts12
Dimensions
Length58.5 inches (148 cm)
Weight305 lbs (recoil) (138 kg), 335 lbs (electric) (151 kg)
Rear tire11x4.00-5
Front tire4.80x4.00-8
Height (steering wheel)38 inches (96 cm)
Electrical
Groundnegative
Battery volts12
Production
TypeRiding lawn mower
Built inHoricon, Wisconsin, USA
Years produced1975 - 1977
Attachments
Blade38 inches width (96 cm), front-mount John Deere
30" mid-mount mower deck30 inches cutting width (76 cm), overall width 41 inches (104 cm), cut height 1 to 4 inch (2 to 10 cm), 1-blade with manual lift
Transmission
Typebelt-driven gear
Gears5 forward and 1 reverse
Power Take-off (PTO)
Typeindependent
Clutchmechanical
LocationMid PTO