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Ariens S-12H vs Ariens YT1238G
Verdict: Ariens S-12H vs Ariens YT1238G
The Ariens S-12H and the Ariens YT1238G are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 12 hp. Ariens YT1238G is the lighter machine (249 kg vs 405 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Ariens S-12H holds more fuel (17.0 L vs 6.6 L) for longer stints between fills. Ariens YT1238G is the newer design (1988 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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Fit & specs
Ariens
62
Fit score
Best match
Clear
Ariens
62
Fit score
Best match
Clear
Rated power
12 hp
12 hp
Confidence
40%
40%
Guide price
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Overview
Manufacturer
AriensReference
AriensReference
air-cooled horizontal-shaftReference
air-cooled vertical-shaftReference
Steering
manualReference
manualReference
Engine
Fuel tank
17.0 LReference
6.6 LReference
Displacement
29.07 ciReference
28.4 ciReference
Bore/Stroke
86 x 83 mmReference
87 x 78 mmReference
Power (gross)
8.9 kWReference
8.9 kWReference
Fuel use
3.8 l/hourReference
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Air cleaner
dry element with foam precleanerReference
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Compression
6.6:1Reference
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Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Sparkplug gap
0.635 mmReference
0.762 mmReference
Oil capacity
5.2 LReference
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Sparkplug
—
Champion RCJ8Reference
Transmission
Transmission
SundstrandReference
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Type
shaft-driven hydrostaticReference
belt-driven gearReference
Gears
infinite forward and reverseReference
6 forward and 1 reverseReference
Oil type
SAE 5W-30Reference
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PTO & Hydraulics
Rear Type
0Reference
—
Front PTO
independentReference
independentReference
Clutch
electricReference
mechanical pulleyReference
Front PTO Type
3600Reference
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Dimensions
Wheelbase
121 cmReference
116 cmReference
Weight
405 kgReference
249 kgReference
Front tire
16x6.50-8Reference
13x5.00-6Reference
Rear tire
23x8.50-10Reference
18x8.50-8Reference
Lawn/turf front
16x6.50-8Reference
13x5.00-6Reference
Lawn/turf rear
23x8.50-10Reference
18x8.50-8Reference
Length
189 cmReference
154 cmReference
Width
109 cmReference
86 cmReference
Height (steering wheel)
121 cmReference
91 cmReference
Shipping weight
405 kgReference
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Ariens S-12H attachments
S-12H Serial Numbers
Location:
Serial number on the right side of the tractor frame, above the front axle.Reference
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Electrical
Ground
negativeReference
negativeReference
Charging system
flywheel alternatorReference
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Charging amps
15Reference
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Battery CCA
255Reference
—
Battery volts
12Reference
12Reference
Battery AH
39Reference
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Attachment overview
Ariens YT1238G attachments
38" Mower deck
Cutting width
—
96 cmReference
Overall width
—
125 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.