The Jacobsen GT-12 53215 is a lawn tractor rated at roughly 12 hp, a mid-range figure for its class. This model ran in production from 1972 to 1976. Under the hood is a 1-cylinder petrol air-cooled engine, paired with two-wheel drive with a hydrostatic transmission. It suits operations of up to 200 ac. Available dimensions and performance figures follow in both unit systems.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
12 hp
Catalogue coverage
Variants represented
2
Richest spec table
52 rows
Recorded power
12 hp
Transmissions
4-speed gear
Production years
1972-1976
Verified variants
0
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Overview
ManufacturerJacobsenReference
Garden tractorReference
Built in Racine, Wisconsin, USAReference
Two-wheel driveReference
Manual steeringReference
Mechanical band brakesReference
Open operator station. Vinyl weather cab optional.Reference
Variants
GT-12gear driveReference
GT-12HhydrostaticReference
Engine
12HP Kohler 476cc 1-cyl gasolineReference
Fuel tank7.6 LReference
Kohler K301ASReference
gasolineReference
1-cylinderReference
air-cooled horizontal-shaftReference
Displacement29.07 ciReference
Bore/Stroke86 x 83 mmReference
Power (gross)8.9 kWReference
Rated RPM3600Reference
Starter volts12Reference
Oil capacity2.1 LReference
Transmission
4-speed gearReference
Typebelt-driven gearReference
Gears4 forward and 1 reverseReference
Clutchidler pulleyReference
PTO & Hydraulics
Typesleeve hitchReference
Front PTOindependentReference
ClutchelectricReference
Front PTO TypepulleyReference
Dimensions
Wheelbase116 cmReference
Front tire16x6.50-8Reference
Rear tire23x8.50-12Reference
Lawn/turf front16x6.50-8Reference
Lawn/turf rear23x8.50-12Reference
Length182 cmReference
Width96 cmReference
Height106 cmReference
Clearance (front axle)23 cmReference
Clearance (rear axle)16 cmReference
Jacobsen GT-12 attachments
42" mid-mount mower deckReference
snowblowerReference
bladeReference
Electrical
GroundnegativeReference
Charging amps15Reference
Battery volts12Reference
Battery AH24Reference
Attachment overview
42" mid-mount mower deckReference
SnowblowerReference
BladeReference
42" Mower deck
Typemid-mount JacobsenReference
Type3-blade with manual liftReference
Cutting width106 cmReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
