Murray lawn tractors

Murray 3643

The Murray 3643 is a lawn tractor produced from 1975 to 1978 by Murray in Lawrenceburg, Tennessee, USA. It features an 8 hp Briggs & Stratton 1-cylinder air-cooled gasoline engine with manual recoil start. The transmission is a belt-driven gear type with 3 forward and 1 reverse gears. It has two-wheel drive, manual steering, and disc brakes with an open operator station. The tractor weighs 425 lbs (192 kg) and rides on 15x6.00 front tires and 18x8.50 rear tires. Attachments include a 36" mid-mount mower deck, a 36" single-stage front-mount snowblower, and a 42" front-mount blade, all with manual lift and controls. The tractor has a mid independent PTO with a manual clutch.
Power8 hp
Founded36" deck
Model3643

Technical Specifications

Detailed specifications and technical data for Murray 3643

Power
Clutchmanual
PTO typeindependent
Power Take-off (PTO)Mid PTO
Engine
BrandBriggs & Stratton
Power8 hp (6.0 kW)
Coolingair-cooled vertical-shaft
Cylinders1-cylinder
Fuel typegasoline
Starter typemanual recoil
Dimensions
Weight425 lbs (192 kg)
Rear tire18x8.50
Front tire15x6.00
Mechanical
DriveTwo-wheel drive
BrakesDisc brakes
SteeringManual steering
Operator stationOpen operator station
Production
TypeLawn tractor
Built inLawrenceburg, Tennessee, USA
ManufacturerMurray
Years produced1975 - 1978
Attachments
Blade42 inches width, front-mount, manual-lift, manual-angle
Snowblower36 inches width, single-stage, front-mount, manual-lift
36" mid-mount mower deck36 inches cutting width, 2-blade with manual lift, cut height 1.5 to 3 inch (3 to 7 cm)
Transmission
Typebelt-driven gear
Gears3 forward and 1 reverse
Serial Numbers
19755-3643
19766-3643
19777-3643
19788-3643