Wheel Horse lawn tractors

Wheel Horse 620-Z

The Wheel Horse 620-Z is a zero-turn mower from the 600 Series produced between 1991 and 1992 by Wheel Horse, a part of Toro. It features a 20 hp Onan P220V 2-cylinder air-cooled gasoline engine with a 3-gallon fuel tank. The hydrostatic Eaton 781 transmission offers infinite forward and reverse speeds. The mower has two-wheel drive with power steering and an open operator station. Dimensions include a 42-inch wheelbase, 71.9-inch length, 40-inch width, and a weight of 720 lbs. Tires are sized 11x4.00-5 front and 18x9.50-8 rear. Electrical system uses a 12-volt battery with 280 CCA and negative ground. Attachments include 38", 42", and 52" mid-mount mower decks and a 52" front-mount blade.

Power-

Founded-

Model620-Z

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Technical Specifications

Detailed specifications and technical data for Wheel Horse 620-Z

Tires

Rear tire	18x9.50-8
Front tire	11x4.00-5

Engine

Type	gasoline
Model	Onan P220V
Power	20 hp (14.9 kW)
Cooling	air-cooled vertical-shaft
Starter	electric
Cylinders	2-cylinder
Fuel tank	3 gal (11.4 L)
Bore/Stroke	3.25x2.875 inches (83 x 73 mm)
Displacement	786 cc (48 ci)
Starter volts	12

Dimensions

Width	40 inches (101 cm)
Length	71.9 inches (182 cm)
Weight	720 lbs (326 kg)
Wheelbase	42 inches (106 cm)

Electrical

Ground	negative
Battery CCA	280
Battery volts	12

Mechanical

Drive	Two-wheel drive
Steering	Power steering
Operator station	Open operator station

Production

Type	Zero-turn mower
Series	600 Series
Years made	1991 - 1992
Manufacturer	Wheel Horse (a part of Toro)

Attachments

Blade	52 inches width (132 cm), front-mount
38" mid-mount mower deck	38 inches (96 cm), 2-blade
42" mid-mount mower deck	42 inches (106 cm), 3-blade
52" mid-mount mower deck	52 inches (132 cm), 3-blade, right-discharge

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