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Bolens 13058 STG125 vs Bolens 3012G ST125
Verdict: Bolens 13058 STG125 vs Bolens 3012G ST125
The Bolens 13058 STG125 and the Bolens 3012G ST125 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 13 hp. Bolens 3012G ST125 holds more fuel (18.9 L vs 3.8 L) for longer stints between fills. Bolens 13058 STG125 is the newer design (1994 vs 1986). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
Tune the fit score
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Fit & specs
Bolens
62
Fit score
Best match
Clear
Bolens
62
Fit score
Best match
Clear
Rated power
13 hp
13 hp
Confidence
40%
40%
Guide price
—
—
Overview
Distributor
BolensReference
—
Manufacturer
NomaReference
BolensReference
air-cooled vertical-shaftReference
air-cooled vertical-shaft horizontally-opposedReference
Variants
13058
gearReference
—
13059
hydrostaticReference
—
3012G
—
gearReference
3012H
—
hydrostaticReference
Engine
Fuel tank
3.8 LReference
18.9 LReference
Displacement
28.4 ciReference
40 ciReference
Bore/Stroke
87 x 78 mmReference
87 x 55 mmReference
Power
9.3 kWReference
—
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Oil capacity
1.9 LReference
1.4 LReference
Power (gross)
—
9.3 kWReference
Transmission
Transmission
Peerless 930Reference
Peerless 801Reference
Gears
6 forward and 1 reverseReference
5 forward and 1 reverseReference
PTO & Hydraulics
Mid PTO
independentReference
independentReference
Clutch
manualReference
electricReference
Dimensions
Wheelbase
69 cmReference
114 cmReference
Front tire
15x6.00-6Reference
15x6.00-6Reference
Rear tire
18x9.5-8Reference
20x8.00-10Reference
Lawn/turf front
15x6.00-6Reference
15x6.00-6Reference
Lawn/turf rear
18x9.5-8Reference
20x8.00-10Reference
Length
116 cmReference
175 cmReference
Width
—
87 cmReference
Height
—
107 cmReference
Bolens 13058 attachments
13058 Serial Numbers
Location:
Serial number tag on the rear fender, under the tractor seat, on the right side.Reference
Serial number tag on the rear fender, under the tractor seat, on the left side.Reference
Electrical
Ground
negativeReference
negativeReference
Battery volts
12Reference
12Reference
Battery AH
—
45Reference
39" Mower deck
Type
belt-driven gearReference
belt-driven gearReference
Cutting width
99 cmReference
91 cmReference
Cut height
2 to 8 cmReference
—
Bolens 3012G attachments
3012G Serial Numbers
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.