Introduction
Simplicity 3415S Garden Tractor
The Simplicity 3415S is a garden tractor produced in 1972 in Port Washington, Wisconsin, USA. Designed for residential lawn maintenance and light property tasks, it represents a standard model of the era's garden tractor segment.
Engine and Powertrain
The tractor is equipped with a Briggs & Stratton 325421 gasoline engine. This air-cooled, single-cylinder unit features a horizontal shaft and a displacement of 531 cc (32.4 ci). It delivers a gross power output of 15 hp (11.2 kW). The engine utilizes a 12-volt electric starter system for operation.
Transmission and Chassis
The 3415S utilizes a two-wheel drive system paired with a shuttle-type manual transmission, providing 4 forward and 4 reverse gears. Steering is managed via a manual system. The machine features an open operator station design.
PTO and Mowing Capacity
The tractor is equipped with an independent mid-mounted Power Take-Off (PTO) shaft, which is engaged through a mechanical idler pulley clutch. It is compatible with 42-inch or 48-inch mower decks for grass cutting applications.
Dimensions and Tires
The tractor rests on a 48-inch (121 cm) wheelbase. Its overall dimensions are 170 cm in length, 91 cm in width, and 99 cm in height. It is fitted with 16x6.50-8 front lawn/turf tires and 23x10.50-12 rear lawn/turf tires, designed to minimize surface impact during operation.
Conclusion
The Simplicity 3415S is a straightforward, mechanical garden tractor suitable for standard lawn care and light utility work. Its compact dimensions and shuttle transmission make it appropriate for maneuvering in restricted spaces on private properties.
Production Information of Simplicity, 3415S
- Garden tractor
- Built in Port Washington, Wisconsin, USA
| Manufacturer | Simplicity (a part of Allis Chalmers) |
|---|
Dimension and Tires Information of Simplicity, 3415S
| Wheelbase | 48 inches [121 cm] |
|---|---|
| Height | 39.25 inches [99 cm] |
| Length | 67 inches [170 cm] |
| Width | 36 inches [91 cm] |
| Lawn/turf front | 16x6.50-8 |
|---|---|
| Lawn/turf rear | 23x10.50-12 |
Engine Specifications of Simplicity, 3415S
- Briggs & Stratton 325421
- Air-cooled horizontal-shaft
- Gasoline
- 1-cylinder
| Power (gross) | 15 hp [11.2 kW] |
|---|---|
| Displacement | 531 cc [32.4 ci] |
| Starter | Electric |
| Bore/Stroke | 3.5625x3.25 inches [90 x 83 mm] |
| Starter volts | 12 |
Transmission Information of Simplicity, 3415S
Transmission variants 1
| Type | Shuttle |
|---|---|
| Gears | 4 forward and reverse |
Mechanical Specs of Simplicity, 3415S
- Two-wheel drive
- Manual steering
- Open operator station.
Power Information of Simplicity, 3415S
| Mid PTO | Independent |
|---|---|
| Clutch | Mechanial idler pulley |
Electrical System of Simplicity, 3415S
| Ground | Negative |
|---|---|
| Battery volts | 12 |
Where it sits
With 15 HP, the Simplicity 3415S sits between 3314V (14 HP) and 3416S (16 HP) in Simplicity's range. Its power puts it in the 84th percentile of 1970s models in our database (1008 machines).
Frequently asked questions
How much horsepower does the Simplicity 3415S have?
The Simplicity 3415S delivers 15 HP.
What years was the Simplicity 3415S produced?
The Simplicity 3415S was produced in 1972.
What engine does the Simplicity 3415S have?
The Simplicity 3415S is powered by a Gasoline, 1-cylinder engine.
What transmission does the Simplicity 3415S use?
The Simplicity 3415S uses a Shuttle transmission.
Is the Simplicity 3415S 4WD?
The Simplicity 3415S is available in 2WD.