Introduction
Simplicity 9020 Garden Tractor
The Simplicity 9020 is a garden tractor produced between 1975 and 1980 in Port Washington, Wisconsin, USA. Designed for property maintenance, this two-wheel drive machine belongs to the category of heavy-duty garden tractors, featuring a hydrostatic transmission and dual power take-off systems.
Engine and Power
The tractor is powered by an air-cooled, horizontal-shaft opposed-twin engine with a displacement of 816 cc (49.8 ci). It delivers a gross power output of 19 hp at a rated engine speed of 3600 RPM. The engine features a 7:1 compression ratio and requires an oil capacity of 3.8 liters, with recommended oil changes every 100 hours of operation.
Transmission and Hydraulics
Equipped with a Sundstrand hydrostatic transmission, the 9020 provides infinite forward and reverse speed control across three ranges. The hydraulic system operates at a pressure of 500 psi (34.5 bar) with a total flow capacity of 2.5 gpm (9.5 lpm), providing sufficient hydraulic power for various implements.
PTO and Operator Controls
The machine includes both front and rear independent power take-offs. The rear PTO operates at 2000 RPM, while the front PTO operates at 3600 RPM. Both systems are engaged via electric clutches, allowing for precise control of attachments such as the 60-inch mower deck. Steering is manual, and the tractor is equipped with disc brakes for effective stopping power.
Dimensions and Chassis
The 9020 has a wheelbase of 142 cm (56 inches) and an overall length of 210 cm (83 inches). It features a ground clearance of 33 cm (13 inches) at the drawbar. With a shipping weight of 589 kg (1300 lbs), the tractor provides a stable platform for ground-engaging tasks and mowing.
Conclusion
The Simplicity 9020 is a robust, versatile garden tractor engineered for durability and ease of use in residential and small-acreage maintenance. Its combination of hydrostatic drive and independent front/rear PTOs makes it suitable for operators requiring a multi-functional machine capable of handling various powered attachments.
Production Information of Simplicity, 9020
- Garden tractor
- Built in Port Washington, Wisconsin, USA
| Manufacturer | Simplicity |
|---|
Dimension and Tires Information of Simplicity, 9020
| Clearance (drawbar) | 13 inches [33 cm] |
|---|---|
| Wheelbase | 56 inches [142 cm] |
| Shipping weight | 1300 lbs [589 kg] |
| Height (steering wheel) | 48 inches [121 cm] |
| Length | 83 inches [210 cm] |
| Clearance (front axle) | 15 inches [38 cm] |
| Width | 56 inches [142 cm] |
| Ag front | 4.00-12 |
|---|---|
| Lawn/turf front | 20x8.00-10 |
| Ag rear | 31.5-15.5 |
| Ag rear | 8.00-16 |
| Lawn/turf rear | 29x12.00-15 |
| Ag front | 6.00-9 |
Engine Specifications of Simplicity, 9020
- Air-cooled horizontal-shaft opposed-twin
| Sparkplug gap | 0.025 inches [0.635 mm] |
|---|---|
| Sparkplug gap(optional) | Autolite AL5 |
| Air cleaner | Paper element |
| Point gap | 0.020 inches [0.508 mm] |
| Rated RPM | 3600 |
| Idle RPM | 1300-3850 |
| Compression | 7:1 |
| Displacement | 816 cc [49.8 ci] |
| Power (gross) | 19.5 hp [14.5 kW] |
| Oil capacity | 4 qts [3.8 L] |
| Oil change | 100 h |
| Bore/Stroke | 3.25x3.00 inches [83 x 76 mm] |
| Sparkplug | Champion H-8 |
| Starter volts | 12 |
| Starter | Electric |
Transmission Information of Simplicity, 9020
Transmission variants 1
| Transmission | Sundstrand |
|---|---|
| Oil type | ATF AATF FDextron |
| Oil capacity | 6 qts [5.7 L] |
| Type | Hydrostatic |
| Type(optional) | Dextron |
| Type(optional) | ATF A |
| Gears | Infinite forward and reverse (3-range) |
Mechanical Specs of Simplicity, 9020
- Two-wheel drive
- Open operator station.
- Manual steering
- Disc brakes
Power Information of Simplicity, 9020
| Rear PTO | Independent |
|---|---|
| Clutch | Electric |
| Front PTO | Independent |
| Clutch | Electric |
| Front PTO Type | 3600 |
| Rear PTO Type | 2000 |
Hydraulics Specifications of Simplicity, 9020
| Pressure | 500 psi [34.5 bar] |
|---|---|
| Total flow | 2.5 gpm [9.5 lpm] |
Three-Point Hitch of Simplicity, 9020
| Rear Type | 0 |
|---|
Electrical System of Simplicity, 9020
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Charging volts | 12 |
| Charging system | Flywheel alternator |
| Battery AH | 45 |
| Charging amps | 20 |
Where it sits
Its power puts it in the 99th percentile of 1970s models in our database (1008 machines).
Frequently asked questions
How much horsepower does the Simplicity 9020 have?
The Simplicity 9020 delivers 19 HP.
What years was the Simplicity 9020 produced?
The Simplicity 9020 was produced in 1975-1980.
What transmission does the Simplicity 9020 use?
The Simplicity 9020 uses a Sundstrand transmission.
How much does the Simplicity 9020 weigh?
The Simplicity 9020 weighs 1300 lbs [589 kg].
Is the Simplicity 9020 4WD?
The Simplicity 9020 is available in 2WD.