Ariens GT20

Ariens GT20The Ariens GT20 is a 2WD garden tractor manufactured by Ariens in Brillion, Wisconsin, USA from 1988 to 1995. The Ariens GT20 is equipped with a 0.8 L (47.0 cu·in) two-cylinder gasoline engine and a hydrostatic transmission with infinite forward and reverse gears.

The Ariens GT20 garden tractor used the Kohler M20 engine. It is a 0.8 L, 770 cm2, (47.0 cu·in) two-cylinder natural aspirated gasoline engine with 79.0 mm (3.11 in) of the cylinder bore and 78.0 mm (3.07 in) of the piston stroke. The compression ratio rating is 6.6:1. This engine produced 20.3 PS (14.9 kW; 20.0 HP) at 3,600 rpm of output power.

The Ariens GT20 is equipped with hydraulic power steering, disc brakes, open operator station and 17.0 liters (4.5 US gal.; 3.7 Imp. gal) fuel tank.

Following attachments are available for the Ariens GT20 garden tractor:

  • Mid-mount Ariens 1,060 mm (42 inches) mower deck with 3-blade
  • Mid-mount Ariens 1,210 mm (48 inches) mower deck with 3-blade and hydraulic lift
  • Mid-mount Ariens 1,520 mm (60 inches) mower deck with 3-blade and hydraulic lift
  • Front-mount Ariens 1,370 mm (54 inches) blade
  • Front-mount Ariens 1,210 mm (48 inches) dual-stage snow blower

Ariens GT20 Specifications

General Specifications
ModelAriens GT20
Length1,900 mm (74.8 in)
Width1,090 mm (42.9 in)
Height (steering wheel)1,190 mm (46.9 in)
Wheel base
Ground clearance1,210 mm (47.6 in)
Weight435 kg (959 lbs)
Fuel tank capacity17.0 liters (4.5 US gal.; 3.7 Imp. gal)
Battery12V, CCA 255A
Cabin typeOpen operator station
Engine modelKohler M20
Engine typeFour-stroke, air-cooled, V
Fuel typeGasoline
Displacement0.8 L, 770 cm2, (47.0 cu·in)
Bore and stroke79.0 mm X 78.0 mm (3.11 in X 3.07 in)
Compression ratio6.6:1
Horsepower20.3 PS (14.9 kW; 20.0 HP) at 3,600 rpm
Oil typeSAE 10W-30, 30
Oil capacity:1.9 L (2 US. qt, 1.7 Imp. qt.)
Transmission and chassis
Chassis4×2 2WD
Steering typeHydraulic power
Transmission model
Transmission typeHydrostatic
GearsInfinite forward and reverse
Speed Forward: 10.5 kmh (6.5 mph) Reverse: 4.8 kmh (3.0 mph)
Transmission oil capacity5.2 L (1.4 US. gal, 1.1 Imp. gal.)
Front tires Lawn/turf: 16-6.50×8
Rear tires Lawn/turf: 23-10.50×12
Three-Point Hitch
Category0 (optional)
Control type
Lift capacity (at ends)
PTO (Power take-off shaft)
Front PTO typeIndependent with electric clutch
Front PTO speed3600 rpm
Rear PTO typeIndependent with electric clutch
Rear PTO speed
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We try to use verified sources and official documentation, however, differences between sources or errors in entering information may occur. In addition, the characteristics may vary depending on the modification and market. We do not provide advice on technical issues related to the any operation or repair. We do not recommend using provided information for repairing or spare parts ordering, use only official service manuals and spare-parts catalogs.


    • Only hydraulic lift for mower, blower, and tiller on the GT20. Deck and blower are driven via a splined shaft that is belt driven by the front PTO.

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