Simplicity 4111
Power
11 hp
Production
1976-1979
Engine
Gasoline, 1-cylinder
Transmission
Belt-driven gear
Weight
506 lbs [229 kg]
Drive
2WD
From the same series:
Introduction
Simplicity 4111 Lawn Tractor
The Simplicity 4111 is a lawn tractor manufactured between 1976 and 1979 in Port Washington, Wisconsin, USA. Designed as a dedicated mowing machine for residential and light-duty grounds maintenance, it represents a standard configuration for lawn tractors of that era.
Engine and Powertrain
The tractor is powered by a single-cylinder, air-cooled Briggs & Stratton gasoline engine with a displacement of 399 cc (24.36 ci). Rated at 11 hp (8.2 kW) at 3400 RPM, it provides the necessary torque for mowing operations. The engine utilizes an electric starter powered by a 12-volt system, supported by a flywheel magneto charging system.
Transmission and Chassis
The drivetrain features a belt-driven gear transmission offering three forward speeds and one reverse gear, operated via a manual clutch and mechanical idler pulley. The machine is configured as a two-wheel-drive unit with manual steering, designed for operation from an open operator station.
Mowing and Dimensions
Equipped with a 36-inch mower deck, the 4111 includes an independent mid-mounted Power Take-Off (PTO) system. The tractor has a wheelbase of 45.5 inches (115 cm) and an overall length of 62.75 inches (159 cm). It is fitted with specialized lawn and turf tires, with 13x5.00-6 in the front and 18x9.50-8 in the rear, ensuring appropriate traction while minimizing damage to turf surfaces.
Conclusion
The Simplicity 4111 is a compact, mechanically straightforward machine intended for residential lawn maintenance. Its robust air-cooled engine and simple gear-driven transmission make it a representative example of late-1970s American lawn tractor design, suitable for property owners requiring basic mowing capabilities.
Production Information of Simplicity, 4111
- Lawn tractor
- Built in Port Washington, Wisconsin, USA
| Manufacturer | Simplicity (a part of Allis Chalmers) |
|---|
Dimension and Tires Information of Simplicity, 4111
| Wheelbase | 45.5 inches [115 cm] |
|---|---|
| Shipping weight | 506 lbs [229 kg] |
| Height (steering wheel) | 39.3 inches [99 cm] |
| Length | 62.75 inches [159 cm] |
| Width | 35 inches [88 cm] |
| Lawn/turf front | 13x5.00-6 |
|---|---|
| Lawn/turf rear | 18x9.50-8 |
Engine Specifications of Simplicity, 4111
- Briggs & Stratton
- Air-cooled
- Gasoline
- 1-cylinder
| Oil capacity | 1.5 qts [1.4 L] |
|---|---|
| Displacement | 399 cc [24.36 ci] |
| Rated RPM | 3400 |
| Bore/Stroke | 3.44x2.62 inches [87 x 67 mm] |
| Starter volts | 12 |
| Starter | Electric |
| Power | 11 hp [8.2 kW] |
Transmission Information of Simplicity, 4111
Transmission variants 1
| Type | Belt-driven gear |
|---|---|
| Oil capacity | 1.125 qts [1.1 L] |
| Gears | 3 forward and 1 reverse |
| Clutch | Mechanical idler pulley |
Mechanical Specs of Simplicity, 4111
- Two-wheel drive
- Manual steering
- Open operator station.
Power Information of Simplicity, 4111
| Mid PTO | Independent |
|---|---|
| Clutch | Manual |
Electrical System of Simplicity, 4111
| Ground | Negative |
|---|---|
| Battery AH | 39 |
| Charging system | Flywheel magneto |
| Battery volts | 12 |
Where it sits
Its power puts it in the 69th percentile of 1970s models in our database (1008 machines).
Frequently asked questions
How much horsepower does the Simplicity 4111 have?
The Simplicity 4111 delivers 11 HP.
What years was the Simplicity 4111 produced?
The Simplicity 4111 was produced in 1976-1979.
What engine does the Simplicity 4111 have?
The Simplicity 4111 is powered by a Gasoline, 1-cylinder engine.
What transmission does the Simplicity 4111 use?
The Simplicity 4111 uses a Belt-driven gear transmission.
How much does the Simplicity 4111 weigh?
The Simplicity 4111 weighs 506 lbs [229 kg].
Is the Simplicity 4111 4WD?
The Simplicity 4111 is available in 2WD.