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Murray 3666 vs Murray 3673
Verdict: Murray 3666 vs Murray 3673
The Murray 3666 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 3666 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
Variants
LT/8
similar Sears modelReference
—
Engine
Power
6.0 kWReference
6.0 kWReference
Starter
electricReference
—
Starter volts
12Reference
—
Starter type
—
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
209 kgReference
209 kgReference
Front tire
15x6.00Reference
15x6.00Reference
Rear tire
18x9.50Reference
18x6.50Reference
Lawn/turf front
15x6.00Reference
15x6.00Reference
Lawn/turf rear
18x9.50Reference
18x6.50Reference
Murray 3666 attachments
3666 Serial Numbers
1975
5-3666Reference
—
1976
6-3666Reference
—
1977
7-3666Reference
—
1978
8-3666Reference
—
1979
9-3666Reference
—
1980
0-3666Reference
—
Electrical
Ground
negativeReference
—
Battery volts
12Reference
—
Attachment overview
36" Mower deck
Type
belt-driven gearReference
belt-driven gearReference
Cutting width
91 cmReference
91 cmReference
Cut height
3 to 8 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.