Simplicity Yeoman 648
Power
8 hp
Production
1973
Engine
Gasoline, 1-cylinder
Transmission
Belt-driven gear
Weight
288 lbs [130 kg]
Drive
2WD
From the same series:
Introduction
Simplicity Yeoman 648 Garden Tractor
The Simplicity Yeoman 648 is a garden tractor produced in the early 1970s. Designed for residential lawn care and light property maintenance, this compact machine represents the standard utility equipment manufactured by Simplicity during that era.
Engine and Powertrain
The tractor is powered by a Briggs & Stratton 190707 gasoline engine. This single-cylinder, air-cooled unit features a vertical shaft configuration with a displacement of 318 cc (19.44 ci) and produces a gross power output of 8 hp (6.0 kW). The engine is equipped with a 12-volt electric starting system.
Transmission and Mechanicals
Power is delivered to the wheels through a belt-driven gear transmission, providing three forward gears and one reverse gear. The tractor features a two-wheel drive system and manual steering. It is configured with an independent mid-mounted Power Take-Off (PTO) operated by a manual clutch, allowing for the attachment of various implements, including a 32-inch mower deck.
Dimensions and Chassis
The Yeoman 648 is built on an open operator station chassis with a wheelbase of 36.5 inches (92 cm). The unit has an overall length of 53.5 inches (135 cm) and a width of 30 inches (76 cm). Weighing approximately 288 lbs (130 kg), it is equipped with lawn and turf tires sized 4.10/3.50x6 at the front and 16-7.50x8 at the rear.
Conclusion
The Simplicity Yeoman 648 is a lightweight, maneuverable garden tractor intended for residential lawn mowing and basic garden tasks. Its simple mechanical design and compact dimensions make it suitable for smaller properties requiring reliable, entry-level utility performance.
Production Information of Simplicity, Yeoman 648
- Garden tractor
| Manufacturer | Simplicity (a part of Allis Chalmers) |
|---|
Dimension and Tires Information of Simplicity, Yeoman 648
| Rear tread | 21.5 inches [54 cm] |
|---|---|
| Wheelbase | 36.5 inches [92 cm] |
| Height (hood) | 28.5 inches [72 cm] |
| Height (steering wheel) | 33 inches [83 cm] |
| Length | 53.5 inches [135 cm] |
| Weight | 288 lbs [130 kg] |
| Width | 30 inches [76 cm] |
| Lawn/turf front | 4.10/3.50x6 |
|---|---|
| Lawn/turf rear | 16-7.50x8 |
Engine Specifications of Simplicity, Yeoman 648
- Briggs & Stratton 190707
- Air-cooled vertical-shaft
- Gasoline
- 1-cylinder
| Power (gross) | 8 hp [6.0 kW] |
|---|---|
| Displacement | 318 cc [19.44 ci] |
| Starter | Electric |
| Bore/Stroke | 3.00x2.75 inches [76 x 70 mm] |
| Starter volts | 12 |
Transmission Information of Simplicity, Yeoman 648
Transmission variants 1
| Type | Belt-driven gear |
|---|---|
| Gears | 3 forward and 1 reverse |
Mechanical Specs of Simplicity, Yeoman 648
- Two-wheel drive
- Manual steering
- Open operator station.
Power Information of Simplicity, Yeoman 648
| Mid PTO | Independent |
|---|---|
| Clutch | Manual |
Electrical System of Simplicity, Yeoman 648
| Ground | Negative |
|---|---|
| Battery volts | 12 |
Where it sits
With 8 HP, the Simplicity Yeoman 648 sits just above Yeoman 637 (7 HP) in Simplicity's range. Its power puts it in the 52th percentile of 1970s models in our database (1008 machines).
Frequently asked questions
How much horsepower does the Simplicity Yeoman 648 have?
The Simplicity Yeoman 648 delivers 8 HP.
What years was the Simplicity Yeoman 648 produced?
The Simplicity Yeoman 648 was produced in 1973.
What engine does the Simplicity Yeoman 648 have?
The Simplicity Yeoman 648 is powered by a Gasoline, 1-cylinder engine.
What transmission does the Simplicity Yeoman 648 use?
The Simplicity Yeoman 648 uses a Belt-driven gear transmission.
How much does the Simplicity Yeoman 648 weigh?
The Simplicity Yeoman 648 weighs 288 lbs [130 kg].
Is the Simplicity Yeoman 648 4WD?
The Simplicity Yeoman 648 is available in 2WD.