Introduction
Wheel Horse 520-8 Garden Tractor
The Wheel Horse 520-8 is a garden tractor produced in South Bend, Indiana, USA, by Wheel Horse, a division of Toro. Introduced in 1990, this model was designed for residential lawn care and property maintenance tasks.
Engine and Performance
The tractor is powered by an Onan P220G gasoline engine. This two-cylinder, air-cooled unit features a displacement of 781 cc (47.7 ci) and produces 20 horsepower (14.9 kW) at a rated speed of 3600 RPM. The compression ratio is 7.0:1, and the engine requires an oil capacity of 1.7 quarts (1.6 L).
Transmission and Drivetrain
The 520-8 utilizes a belt-driven gear transmission, providing the operator with 6 forward and 2 reverse gears. Power is delivered to the rear wheels via a mechanical clutch. The transmission housing requires SAE 90 GL5 oil, with a fluid capacity of 2 quarts (1.9 L).
Power Take-Off and Hydraulics
This model is equipped with an independent front power take-off (PTO) system, allowing for the operation of various attachments. The engagement is managed through a mechanical clutch system, providing direct control for mower decks ranging from 42 to 60 inches in width.
Dimensions and Operator Station
The tractor features an open operator station with manual steering. Measuring 67 inches (170 cm) in length and 40.5 inches (102 cm) in width, the unit offers a compact footprint. It is fitted with 16x7.50-8 front tires and 23x10.50-12 rear tires designed for turf applications, with a total shipping weight of 605 lbs (274 kg).
Conclusion
The Wheel Horse 520-8 is a robust, gear-driven machine suited for homeowners and small-scale property owners requiring a versatile tractor for mowing and general utility tasks. Its simple mechanical design and reliance on a proven Onan engine make it a standard reference for 1990s garden tractor utility.
Production Information of Wheel Horse, 520-8
- Garden tractor
- Built in South Bend, Indiana, USA
| Manufacturer | Wheel Horse (a part of Toro) |
|---|
Dimension and Tires Information of Wheel Horse, 520-8
| Length | 67 inches [170 cm] |
|---|---|
| Shipping weight | 605 lbs [274 kg] |
| Width | 40.5 inches [102 cm] |
| Height | 47.5 inches [120 cm] |
| Lawn/turf front | 16x7.50-8 |
|---|---|
| Lawn/turf rear | 23x10.50-12 |
Engine Specifications of Wheel Horse, 520-8
- Onan P220G
- Air-cooled
- 2-cylinder
- Gasoline
| Compression | 7.0:1 |
|---|---|
| Starter volts | 12 |
| Displacement | 781 cc [47.7 ci] |
| Bore/Stroke | 3.2580x2.875 inches [83 x 73 mm] |
| Power | 20 hp [14.9 kW] |
| Idle RPM | 1400-3600 |
| Rated RPM | 3600 |
| Sparkplug gap | 0.025 inches [0.635 mm] |
| Sparkplug | Champion RS14YC |
| Oil capacity | 1.7 qts [1.6 L] |
Transmission Information of Wheel Horse, 520-8
Transmission variants 1
| Transmission | Wheel Horse 110995 |
|---|---|
| Oil type | SAE 90 GL5 |
| Oil capacity | 2 qts [1.9 L] |
| Type | Belt-driven gear |
| Type(optional) | SAE 90 GL5 |
| Gears | 6 forward and 2 reverse |
Mechanical Specs of Wheel Horse, 520-8
- Two-wheel drive
- Open operator station.
| Steering | Manual |
|---|
Power Information of Wheel Horse, 520-8
| Front PTO | Independent |
|---|---|
| Clutch | Mechanical |
Electrical System of Wheel Horse, 520-8
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Battery CCA | 200 |
| Charging system | Alternator |
| Charging amps | 20 |
Where it sits
With 20 HP, the Wheel Horse 520-8 sits between D-250 (19 HP) and 724-Z (24 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 520-8 have?
The Wheel Horse 520-8 delivers 20 HP.
What years was the Wheel Horse 520-8 produced?
The Wheel Horse 520-8 was produced in 1990.
What engine does the Wheel Horse 520-8 have?
The Wheel Horse 520-8 is powered by a Gasoline, 2-cylinder engine.
What transmission does the Wheel Horse 520-8 use?
The Wheel Horse 520-8 uses a Wheel Horse 110995 transmission.
How much does the Wheel Horse 520-8 weigh?
The Wheel Horse 520-8 weighs 605 lbs [274 kg].
Is the Wheel Horse 520-8 4WD?
The Wheel Horse 520-8 is available in 2WD.
