Jacobsen lawn tractors Chief 100
Power
7 hp
Production
1961-1963
Engine
Gasoline, 1-cylinder
Transmission
Belt-driven gear
Drive
2WD
Introduction
Jacobsen Chief 100 Garden Tractor
The Jacobsen Chief 100 is a garden tractor produced by the American manufacturer Jacobsen in Racine, Wisconsin, between 1961 and 1963. Positioned as a compact machine for residential lawn care and garden maintenance, it represents the standard engineering of its era for small-scale utility tractors.
Engine and Powertrain
The tractor is powered by a Kohler K161S single-cylinder, air-cooled gasoline engine. It features a 265 cc displacement with a bore and stroke of 73 x 64 mm, delivering 7 horsepower (5.2 kW). The engine is started via a manual recoil system, with an optional electric starter available. Power is delivered through a belt-driven gear transmission, which provides three forward gears and one reverse gear.
Chassis and Handling
The Chief 100 utilizes a two-wheel drive system paired with manual steering. It is built with an open operator station, prioritizing simplicity and visibility. The machine has a wheelbase of 42 inches (106 cm) and a ground clearance of 7 inches (17 cm), supported by lawn/turf tires measuring 4.00/4.80-8 in the front and 6.00-12 in the rear.
Dimensions and Equipment
Measuring 61 inches (154 cm) in length and 33 inches (83 cm) in width, the tractor is designed for maneuverability in garden environments. It was factory-equipped with a 36-inch mower deck, making it suitable for mowing tasks on various terrain types.
Conclusion
The Jacobsen Chief 100 is a straightforward, mechanical garden tractor suited for collectors and users requiring a compact machine for basic lawn maintenance. Its simple design and standard components reflect the utility-focused engineering of the early 1960s.
Production Information of Jacobsen lawn tractors, Chief 100
- Original price was $570 in 1961
- Garden tractor
- Built in Racine, Wisconsin, USA
| Manufacturer | Jacobsen |
|---|
Dimension and Tires Information of Jacobsen lawn tractors, Chief 100
| Wheelbase | 42 inches [106 cm] |
|---|---|
| Ground clearance | 7 inches [17 cm] |
| Length | 61 inches [154 cm] |
| Width | 33 inches [83 cm] |
| Lawn/turf front | 4.00/4.80-8 |
|---|---|
| Lawn/turf rear | 6.00-12 |
Engine Specifications of Jacobsen lawn tractors, Chief 100
- Kohler K161S
- Air-cooled horizontal-shaft
- Gasoline
- 1-cylinder
| Power | 7 hp [5.2 kW] |
|---|---|
| Displacement | 265 cc [16.22 ci] |
| Starter | Manual recoil |
| Bore/Stroke | 2.875x2.50 inches [73 x 64 mm] |
| Starter volts | 12 |
| Starter volts(optional) | Electric |
Transmission Information of Jacobsen lawn tractors, Chief 100
Transmission variants 1
| Type | Belt-driven gear |
|---|---|
| Gears | 3 forward and 1 reverse |
Mechanical Specs of Jacobsen lawn tractors, Chief 100
- Two-wheel drive
- Manual steering
- Open operator station.
Electrical System of Jacobsen lawn tractors, Chief 100
| Ground | Negative |
|---|---|
| Battery volts | 12 |
Where it sits
With 7 HP, the Jacobsen lawn tractors Chief 100 sits between Chief 6 (6 HP) and 80 (8 HP) in Jacobsen lawn tractors's range. Its power puts it in the 66th percentile of 1960s models in our database (550 machines).
Frequently asked questions
How much horsepower does the Jacobsen lawn tractors Chief 100 have?
The Jacobsen lawn tractors Chief 100 delivers 7 HP.
What years was the Jacobsen lawn tractors Chief 100 produced?
The Jacobsen lawn tractors Chief 100 was produced in 1961-1963.
What engine does the Jacobsen lawn tractors Chief 100 have?
The Jacobsen lawn tractors Chief 100 is powered by a Gasoline, 1-cylinder engine.
What transmission does the Jacobsen lawn tractors Chief 100 use?
The Jacobsen lawn tractors Chief 100 uses a Belt-driven gear transmission.
Is the Jacobsen lawn tractors Chief 100 4WD?
The Jacobsen lawn tractors Chief 100 is available in 2WD.