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Murray 3643 vs Murray 3673
Verdict: Murray 3643 vs Murray 3673
The Murray 3643 and the Murray 3673 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 8 hp. Murray 3643 is the lighter machine (192 kg vs 209 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Murray 3643 is the newer design (1975 vs 1974). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
Murray
62
Fit score
Best match
Clear
Murray
62
Fit score
Best match
Clear
Rated power
8 hp
8 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
MurrayReference
MurrayReference
air-cooled vertical-shaftReference
air-cooled vertical-shaftReference
Engine
Power
6.0 kWReference
6.0 kWReference
Starter type
manual recoilReference
manual recoilReference
Transmission
Gears
3 forward and 1 reverseReference
3 forward and 1 reverseReference
PTO & Hydraulics
Mid PTO
independentReference
independentReference
Clutch
manualReference
manualReference
Dimensions
Weight
192 kgReference
209 kgReference
Front tire
15x6.00Reference
15x6.00Reference
Rear tire
18x8.50Reference
18x6.50Reference
Lawn/turf front
15x6.00Reference
15x6.00Reference
Lawn/turf rear
18x8.50Reference
18x6.50Reference
Murray 3643 attachments
3643 Serial Numbers
1975
5-3643Reference
—
1976
6-3643Reference
—
1977
7-3643Reference
—
1978
8-3643Reference
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Attachment overview
36" Mower deck
Type
belt-driven gearReference
belt-driven gearReference
Cutting width
91 cmReference
91 cmReference
Cut height
3 to 7 cmReference
3 to 8 cmReference
Murray 3673 attachments
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.