Jacobsen lawn tractors Chief-O-Matic 800
Power
8 hp
Production
1966
Engine
Gasoline, 1-cylinder
Transmission
Belt-driven hydrostatic
Drive
2WD
From the same series:
Introduction
Jacobsen Chief-O-Matic 800 Garden Tractor
The Jacobsen Chief-O-Matic 800 is a garden tractor produced in 1966 in Racine, Wisconsin, USA. Designed for property maintenance and lawn care, this model belongs to the Chief-O-Matic series and represents the compact agricultural equipment of its era.
Engine and Power
The tractor is powered by an air-cooled Kohler K181 single-cylinder gasoline engine. It features a displacement of 305 cc (18.64 ci) and produces 8 hp (6.0 kW) at a rated speed of 3600 RPM. The engine is started via a 12-volt electric starter and utilizes a dry air cleaner system.
Transmission and Drive
The drivetrain consists of a belt-driven hydrostatic transmission providing infinite forward and reverse speeds. It utilizes a two-wheel drive configuration, paired with manual steering and mechanical band brakes for operator control. An independent mid PTO, engaged by a manual clutch, allows for the operation of implements such as the compatible 36 or 42-inch mower decks.
Dimensions and Chassis
The chassis features an open operator station with a wheelbase of 42 inches (106 cm) and an overall length of 61 inches (154 cm). The machine offers a ground clearance of 11.75 inches (29 cm) at the frame, with specific clearances of 8.75 inches at the front axle and 6.25 inches at the rear axle. It is equipped with lawn and turf tires to suit its primary application in grass maintenance.
Conclusion
The Jacobsen Chief-O-Matic 800 is a specialized garden tractor engineered for lawn care and light property management. Its combination of a hydrostatic transmission and an independent mid PTO makes it a functional tool for users requiring maneuverability and consistent performance in residential or small-scale landscaping tasks.
Production Information of Jacobsen lawn tractors, Chief-O-Matic 800
- Garden tractor
- Built in Racine, Wisconsin, USA
| Manufacturer | Jacobsen |
|---|
Dimension and Tires Information of Jacobsen lawn tractors, Chief-O-Matic 800
| Clearance (front axle) | 8.75 inches [22 cm] |
|---|---|
| Wheelbase | 42 inches [106 cm] |
| Height (hood) | 34.5 inches [87 cm] |
| Height (steering wheel) | 39 inches [99 cm] |
| Length | 61 inches [154 cm] |
| Clearance (rear axle) | 6.25 inches [15 cm] |
| Ground clearance | 11.75 inches (frame) [29 cm] |
| Width | 33 inches [83 cm] |
| Rear tread | 31.5 inches [80 cm] |
| Front tread | 30 inches [76 cm] |
| Lawn/turf front | 16x4.80-8 |
|---|---|
| Lawn/turf rear | 22x8-12 |
| Lawn/turf rear | 22x6-12 |
| Lawn/turf front | 16x6.50-8 |
Engine Specifications of Jacobsen lawn tractors, Chief-O-Matic 800
- Kohler K181
- Air-cooled horizontal-shaft
- Gasoline
- 1-cylinder
| Starter volts | 12 |
|---|---|
| Displacement | 305 cc [18.64 ci] |
| Air cleaner | Dry |
| Bore/Stroke | 2.9375x2.75 inches [75 x 70 mm] |
| Oil capacity | 1.25 qts [1.2 L] |
| Starter | Electric |
| Rated RPM | 3600 |
| Power | 8 hp [6.0 kW] |
Transmission Information of Jacobsen lawn tractors, Chief-O-Matic 800
Transmission variants 1
| Type | Belt-driven hydrostatic |
|---|---|
| Gears | Infinite forward and reverse |
Mechanical Specs of Jacobsen lawn tractors, Chief-O-Matic 800
- Two-wheel drive
- Open operator station.
- Manual steering
- Mechanical band brakes
Power Information of Jacobsen lawn tractors, Chief-O-Matic 800
| Mid PTO | Independent |
|---|---|
| Clutch | Manual |
Electrical System of Jacobsen lawn tractors, Chief-O-Matic 800
| Ground | Negative |
|---|---|
| Battery volts | 12 |
Where it sits
With 8 HP, the Jacobsen lawn tractors Chief-O-Matic 800 sits just below Chief-O-Matic 1000 (10 HP) in Jacobsen lawn tractors's range. Its power puts it in the 72th percentile of 1960s models in our database (550 machines).
Frequently asked questions
How much horsepower does the Jacobsen lawn tractors Chief-O-Matic 800 have?
The Jacobsen lawn tractors Chief-O-Matic 800 delivers 8 HP.
What years was the Jacobsen lawn tractors Chief-O-Matic 800 produced?
The Jacobsen lawn tractors Chief-O-Matic 800 was produced in 1966.
What engine does the Jacobsen lawn tractors Chief-O-Matic 800 have?
The Jacobsen lawn tractors Chief-O-Matic 800 is powered by a Gasoline, 1-cylinder engine.
What transmission does the Jacobsen lawn tractors Chief-O-Matic 800 use?
The Jacobsen lawn tractors Chief-O-Matic 800 uses a Belt-driven hydrostatic transmission.
Is the Jacobsen lawn tractors Chief-O-Matic 800 4WD?
The Jacobsen lawn tractors Chief-O-Matic 800 is available in 2WD.