Jacobsen lawn tractors Chief-O-Matic 1000

Name: Jacobsen lawn tractors Chief-O-Matic 1000
Brand: Jacobsen lawn tractors

Power

10 hp

Production

1966

Engine

Gasoline, 1-cylinder

Transmission

Belt-driven hydrostatic

Drive

2WD

Under 15 HP 1960s

From the same series:

Chief-O-Matic 800

Chief-O-Matic 1200

Introduction

Jacobsen Chief-O-Matic 1000 Garden Tractor

The Jacobsen Chief-O-Matic 1000 is a garden tractor produced in 1966 in Racine, Wisconsin, USA. This model represents a specific entry in the Chief-O-Matic series, designed for residential and light-duty property maintenance.

Engine and Powertrain

The tractor is powered by a Kohler K241 1-cylinder, air-cooled gasoline engine. With a displacement of 390 cc (23.85 ci) and a bore/stroke ratio of 83 x 73 mm, it delivers a rated power of 10 hp (7.5 kW) at 3600 RPM. The engine utilizes a dry-type air cleaner and operates on a 12-volt electrical system with negative ground.

Transmission and Operation

The Chief-O-Matic 1000 is equipped with a belt-driven hydrostatic transmission, offering infinite forward and reverse speeds for precise control. The mechanical configuration features two-wheel drive, manual steering, and mechanical band brakes. It includes an independent mid-PTO engaged via a manual clutch, which allows for the operation of various attachments including mower decks of 36, 42, or 48 inches.

Dimensions and Chassis

The tractor features an open operator station with a 42-inch wheelbase and an overall length of 61 inches. The width measures 33 inches, with a front tread of 30 inches and a rear tread of 31.5 inches. The machine provides a frame ground clearance of 11.75 inches, facilitating operation over uneven surfaces. It is fitted with lawn and turf tires, measuring 16x4.80-8 or 16x6.50-8 at the front, and 22x6-12 or 22x8-12 at the rear.

Conclusion

"The Jacobsen Chief-O-Matic 1000 is a compact, utility-focused garden tractor. Its combination of a hydrostatic transmission and a 10 hp Kohler engine makes it suitable for standard lawn care and small-scale property maintenance tasks characteristic of its era."

Introduction

Production Information of Jacobsen lawn tractors, Chief-O-Matic 1000

The production information of the tractor (Chief-O-Matic 1000) includes details about its manufacturing.

Garden tractor

Built in Racine, Wisconsin, USA


Manufacturer	Jacobsen

Dimension and Tires Information of Jacobsen lawn tractors, Chief-O-Matic 1000

This section sums up the dimension and tires information of the tractor.


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 1000

Get the specifications for the engine and if different options are available.

Kohler K241

Air-cooled horizontal-shaft

Gasoline

1-cylinder


Starter volts	12
Displacement	390 cc [23.85 ci]
Air cleaner	Dry
Bore/Stroke	3.25x2.875 inches [83 x 73 mm]
Oil capacity	2.5 qts [2.4 L]
Starter	Electric
Rated RPM	3600
Power	10 hp [7.5 kW]

Transmission Information of Jacobsen lawn tractors, Chief-O-Matic 1000Y

Discover all variants of transmission available for this tractor model.

Transmission variants 1


Type	Belt-driven hydrostatic
Gears	Infinite forward and reverse

Mechanical Specs of Jacobsen lawn tractors, Chief-O-Matic 1000Y

This section summarizes all mechanical information such as the brake system and other specifications.

Two-wheel drive

Open operator station.

Manual steering

Mechanical band brakes

Power Information of Jacobsen lawn tractors, Chief-O-Matic 1000Y

Discover the power specifications and options available for this tractor model but also PTO (Power Take-off) information.


Mid PTO	Independent
Clutch	Manual

Electrical System of Jacobsen lawn tractors, Chief-O-Matic 1000

Battery voltage, charging system and ground.


Ground	Negative
Battery volts	12

Frequently asked questions

How much horsepower does the Jacobsen lawn tractors Chief-O-Matic 1000 have?

The Jacobsen lawn tractors Chief-O-Matic 1000 delivers 10 HP.

What years was the Jacobsen lawn tractors Chief-O-Matic 1000 produced?

The Jacobsen lawn tractors Chief-O-Matic 1000 was produced in 1966.

What engine does the Jacobsen lawn tractors Chief-O-Matic 1000 have?

The Jacobsen lawn tractors Chief-O-Matic 1000 is powered by a Gasoline, 1-cylinder engine.

What transmission does the Jacobsen lawn tractors Chief-O-Matic 1000 use?

The Jacobsen lawn tractors Chief-O-Matic 1000 uses a Belt-driven hydrostatic transmission.

Is the Jacobsen lawn tractors Chief-O-Matic 1000 4WD?

The Jacobsen lawn tractors Chief-O-Matic 1000 is available in 2WD.

More Jacobsen lawn tractors models

10010 HP · 1977 - 1980 100010 HP · 1977 - 1980 106010 HP · 1975 - 1976 Chief 1010 HP · 1963 Chief 100010 HP · 1964 - 1971 GT10G10 HP · 1981 - 1986 GT-1010 HP · 1972 - 1976 Super Chief 100010 HP · 1967 - 1968

View all 47 Jacobsen lawn tractors models →

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