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Bolens 1225 vs Bolens 3112G ST120
Verdict: Bolens 1225 vs Bolens 3112G ST120
The Bolens 1225 and the Bolens 3112G ST120 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 12 hp. Bolens 3112G ST120 is the newer design (1987 vs 1969). 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
Bolens
62
Fit score
Best match
Clear
Bolens
62
Fit score
Best match
Clear
Rated power
12 hp
12 hp
Confidence
40%
40%
Guide price
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—
Overview
Manufacturer
BolensReference
BolensReference
air-cooledReference
air-cooled vertical-shaftReference
Steering
manualReference
—
Engine
Displacement
27.66 ciReference
28.42 ciReference
Bore/Stroke
89 x 73 mmReference
87 x 78 mmReference
Power
8.9 kWReference
—
Rated RPM
3600Reference
—
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Fuel tank
—
18.9 LReference
Power (gross)
—
8.9 kWReference
Oil capacity
—
1.4 LReference
Transmission
Transmission
Eaton 10Reference
Peerless 801Reference
Gears
infinite forward and reverseReference
5 forward and 1 reverseReference
Clutch
:8:4Reference
electricReference
Dimensions
Wheelbase
102 cmReference
114 cmReference
Weight
306 kgReference
—
Front tire
16x6.50-8Reference
15x6.00-6Reference
Rear tire
23x8.50-12Reference
20x8.00-10Reference
Lawn/turf front
16x6.50-8Reference
15x6.00-6Reference
Lawn/turf rear
23x8.50-12Reference
20x8.00-10Reference
Length
158 cmReference
175 cmReference
Width
86 cmReference
87 cmReference
Height
101 cmReference
107 cmReference
Shipping weight
306 kgReference
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Bolens 1225 attachments
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Battery AH
—
45Reference
Attachment overview
42" Mower deck
Type
hydrostaticReference
belt-driven gearReference
Cutting width
106 cmReference
91 cmReference
PTO & Hydraulics
Mid PTO
—
independentReference
Bolens 3112G attachments
3112G Serial Numbers
Location:
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Serial number tag on the rear fender, under the tractor seat, on the left side.Reference
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.