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Sears 830 vs Sears ST/8 502.25900
Verdict: Sears 830 vs Sears ST/8 502.25900
The Sears 830 and the Sears ST/8 502.25900 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 8 hp. Sears 830 is the lighter machine (135 kg vs 251 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Sears ST/8 502.25900 holds more fuel (4.7 L vs 2.8 L) for longer stints between fills. Sears 830 is the newer design (1979 vs 1976). 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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Tell us about your operation
Fit & specs
Sears
62
Fit score
Best match
Clear
Sears
62
Fit score
Best match
Clear
Rated power
8 hp
8 hp
Confidence
40%
40%
Guide price
—
—
Overview
Distributor
SearsReference
SearsReference
Manufacturer
MurrayReference
MurrayReference
air-cooledReference
air-cooled vertical-shaftReference
Original price
$900 (1982 electric )Reference
—
Variants
502.25611
recoil startReference
—
502.25612
electric startReference
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Engine
Fuel tank
2.8 LReference
4.7 LReference
Power
6.0 kWReference
—
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Displacement
—
19.44 ciReference
Bore/Stroke
—
76 x 70 mmReference
Power (gross)
—
6.0 kWReference
Rated RPM
—
3600Reference
Transmission
Gears
5 forward and 1 reverseReference
4 forward and 1 reverseReference
Transmission
—
PeerlessReference
PTO & Hydraulics
Mid PTO
independentReference
—
Clutch
manualReference
—
Dimensions
Weight
135 kgReference
27 kgReference
Front tire
10.0x4.0Reference
16x6.00-8Reference
Rear tire
15.0x6.0Reference
23x8.50-12Reference
Lawn/turf front
10.0x4.0Reference
16x6.00-8Reference
Lawn/turf rear
15.0x6.0Reference
23x8.50-12Reference
Length
138 cmReference
163 cmReference
Width
88 cmReference
95 cmReference
Height
90 cmReference
—
Shipping weight
135 kgReference
251 kgReference
Sears 830 attachments
Electrical
Ground
negativeReference
negativeReference
Charging system
trickle chargerReference
—
Charging amps
1Reference
—
Battery volts
12Reference
12Reference
Battery AH
14Reference
—
30" Mower deck
Type
belt-driven gearReference
belt-driven gearReference
Cutting width
76 cmReference
91 cmReference
Overall width
99 cmReference
—
Cut height
4 to 9 cmReference
—
Sears ST/8 attachments
Attachment overview
36" Mower deck
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.