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Ariens Emperor 7 vs Ariens RM728 927001
Verdict: Ariens Emperor 7 vs Ariens RM728 927001
The Ariens Emperor 7 and the Ariens RM728 927001 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 7 hp. Ariens Emperor 7 is the lighter machine (168 kg vs 170 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Ariens RM728 927001 is the newer design (1978 vs 1968). 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
Ariens
62
Fit score
Best match
Clear
Ariens
62
Fit score
Best match
Clear
Rated power
7 hp
7 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
AriensReference
AriensReference
air-cooled vertical-shaftReference
air-cooled vertical-shaftReference
Variants
3ML7D
recoil startReference
—
3ML7DE
electric startReference
—
Engine
Displacement
15 ciReference
17.16 ciReference
Bore/Stroke
70 x 64 mmReference
75 x 64 mmReference
Power
5.2 kWReference
5.2 kWReference
Starter type
electricReference
electricReference
Fuel tank
—
2.8 LReference
Transmission
Transmission
Disc-O-MaticReference
Disc-O-MaticReference
Type
friction discReference
fiction discReference
Gears
4 forward and 1 reverseReference
6 forward and 1 reverseReference
PTO & Hydraulics
Mid PTO
independentReference
independentReference
Clutch
mechanical idlerReference
idler pulleyReference
Dimensions
Wheelbase
118 cmReference
115 cmReference
Weight
168 kgReference
170 kgReference
Front tire
11x4.00-5Reference
4.10-3.50x4Reference
Rear tire
16x5.50-8Reference
4.80-4.00x8Reference
Lawn/turf front
11x4.00-5Reference
4.10-3.50x4Reference
Lawn/turf rear
16x5.50-8Reference
4.80-4.00x8Reference
Length
167 cmReference
158 cmReference
Width
60 cmReference
—
Height (steering wheel)
91 cmReference
99 cmReference
Shipping weight
168 kgReference
170 kgReference
Ariens Emperor 7 attachments
Attachment overview
Ariens RM728 attachments
28" Mower deck
Cutting width
—
71 cmReference
Overall width
—
86 cmReference
Cut height
—
2 to 10 cmReference
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.