Introduction
Wheel Horse 620-Z Zero-Turn Mower
The Wheel Horse 620-Z is a zero-turn mower produced between 1991 and 1992 by Wheel Horse, a division of Toro. Designed primarily for turf maintenance, this machine belongs to the compact mower segment and is characterized by its hydrostatic transmission and maneuverability.
Engine and Powertrain
The 620-Z is powered by an Onan P220V gasoline engine. This air-cooled, 2-cylinder, vertical-shaft unit features a displacement of 786 cc (48 ci) and delivers 20 horsepower (14.9 kW). The engine is started via a 12-volt electric starter system supported by a 280 CCA battery.
Transmission and Maneuverability
The tractor utilizes an Eaton 781 hydrostatic transmission, providing infinite forward and reverse speed control. This allows for smooth operation during mowing tasks. Maneuverability is enhanced by a two-wheel drive system combined with power steering, which assists the operator in navigating tight spaces and obstacles.
Mowing and Operational Equipment
The machine is equipped with an independent mid-mounted Power Take-Off (PTO) system engaged via an electric clutch. It is designed to accommodate various mower deck sizes, specifically 38, 42, and 52 inches, allowing the operator to choose the cutting width most appropriate for the terrain.
Physical Specifications
The 620-Z features an open operator station designed for visibility. It rests on a 42-inch (106 cm) wheelbase with a total length of 71.9 inches (182 cm) and a width of 40 inches (101 cm). The total weight of the unit is 720 lbs (326 kg). It is fitted with 11x4.00-5 front tires and 18x9.50-8 rear tires, both specified for lawn and turf applications.
Conclusion
The Wheel Horse 620-Z is a specialized zero-turn mower suited for residential or professional lawn maintenance. Its combination of a 20 hp engine, hydrostatic drive, and compact dimensions makes it an efficient tool for operators requiring precision cutting in varied landscape environments.
Production Information of Wheel Horse, 620-Z
- Zero-turn mower
| Manufacturer | Wheel Horse (a part of Toro) |
|---|
Dimension and Tires Information of Wheel Horse, 620-Z
| Wheelbase | 42 inches [106 cm] |
|---|---|
| Weight | 720 lbs [326 kg] |
| Length | 71.9 inches [182 cm] |
| Width | 40 inches [101 cm] |
| Lawn/turf front | 11x4.00-5 |
|---|---|
| Lawn/turf rear | 18x9.50-8 |
Engine Specifications of Wheel Horse, 620-Z
- Onan P220V
- Air-cooled vertical-shaft
- Gasoline
- 2-cylinder
| Power | 20 hp [14.9 kW] |
|---|---|
| Displacement | 786 cc [48 ci] |
| Starter | Electric |
| Bore/Stroke | 3.25x2.875 inches [83 x 73 mm] |
| Starter volts | 12 |
Transmission Information of Wheel Horse, 620-Z
Transmission variants 1
| Transmission | Eaton 781 |
|---|---|
| Type | Hydrostatic |
| Gears | Infinite forward and reverse |
Mechanical Specs of Wheel Horse, 620-Z
- Two-wheel drive
- Power steering
- Open operator station.
Power Information of Wheel Horse, 620-Z
| Mid PTO | Independent |
|---|---|
| Clutch | Electric |
Electrical System of Wheel Horse, 620-Z
| Ground | Negative |
|---|---|
| Battery CCA | 280 |
| Battery volts | 12 |
Where it sits
With 20 HP, the Wheel Horse 620-Z sits just above 616-Z (16 HP) in Wheel Horse's range. Its power puts it in the 93th percentile of 1990s models in our database (1093 machines).
Frequently asked questions
How much horsepower does the Wheel Horse 620-Z have?
The Wheel Horse 620-Z delivers 20 HP.
What years was the Wheel Horse 620-Z produced?
The Wheel Horse 620-Z was produced in 1991-1992.
What engine does the Wheel Horse 620-Z have?
The Wheel Horse 620-Z is powered by a Gasoline, 2-cylinder engine.
What transmission does the Wheel Horse 620-Z use?
The Wheel Horse 620-Z uses a Eaton 781 transmission.
How much does the Wheel Horse 620-Z weigh?
The Wheel Horse 620-Z weighs 720 lbs [326 kg].
Is the Wheel Horse 620-Z 4WD?
The Wheel Horse 620-Z is available in 2WD.