Jacobsen lawn tractors Chief 1000
Power
10 hp
Production
1964-1971
Engine
Gasoline, 1-cylinder
Transmission
Peerless
Drive
2WD
From the same series:
Introduction
Jacobsen Chief 1000 Garden Tractor
The Jacobsen Chief 1000 is a garden tractor manufactured in Racine, Wisconsin, USA. Produced between 1964 and 1971, this model represents a significant entry in Jacobsen's lineup, sharing design lineage with the Chief 800, Chief 1200, and the later GT-10 series.
Engine and Powertrain
The tractor is powered by a Kohler K241 single-cylinder gasoline engine. This air-cooled, horizontal-shaft unit features a displacement of 390 cc (23.85 ci) and delivers a gross power output of 10 hp (7.5 kW) at a rated speed of 3600 RPM. The engine uses a dry-type air cleaner and is supported by an electric starter system operating on a 12-volt electrical architecture with a negative ground.
Transmission and Operation
The Chief 1000 utilizes a belt-driven gear transmission, with options for either a 3-speed or 4-speed configuration, both including one reverse gear. Power is transferred via a manual idler pulley clutch. The machine is configured as a two-wheel-drive unit, featuring manual steering and mechanical band brakes for operator control.
Dimensions and Equipment
With a wheelbase of 106 cm (42 inches) and a total length of 154 cm (61 inches), the tractor is designed for maneuverability. It provides a frame ground clearance of 29 cm (11.75 inches). The vehicle is engineered to support mower decks of 36, 42, or 48 inches, allowing for versatility in landscaping and lawn maintenance applications.
Conclusion
The Jacobsen Chief 1000 is a classic garden tractor characterized by its straightforward mechanical design and robust American-made construction. It is suited for residential lawn care and light agricultural tasks, serving as a durable utility machine for collectors and hobbyist users.
Production Information of Jacobsen lawn tractors, Chief 1000
- Garden tractor
- Built in Racine, Wisconsin, USA
| Manufacturer | Jacobsen |
|---|
Dimension and Tires Information of Jacobsen lawn tractors, Chief 1000
| 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 1000
- 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 (gross) | 10 hp [7.5 kW] |
Transmission Information of Jacobsen lawn tractors, Chief 1000
Transmission variants 1
- Three-speed transmission used on the Chief 1000 in 1964 and 1965.
| Transmission | Peerless |
|---|---|
| Clutch | Manual idler pulley |
| Type | Belt-driven gear |
| Gears | 3 forward and 1 reverse |
Transmission variants 2
- The four-speed transmission was introduced for the 1966 model year, Chief 1000 model 53037.
| Transmission | Peerless 2300 |
|---|---|
| Clutch | Manual idler pulley |
| Type | Belt-driven gear |
| Gears | 4 forward and 1 reverse |
- 3-speed gear
- 4-speed gear
Mechanical Specs of Jacobsen lawn tractors, Chief 1000
- Two-wheel drive
- Open operator station.
- Manual steering
- Mechanical band brakes
Power Information of Jacobsen lawn tractors, Chief 1000
| Mid PTO | Independent |
|---|---|
| Clutch | Manual |
| Mid PTO Type | Pulley |
Electrical System of Jacobsen lawn tractors, Chief 1000
| Ground | Negative |
|---|---|
| Battery volts | 12 |
Where it sits
With 10 HP, the Jacobsen lawn tractors Chief 1000 sits between Chief 800 (8 HP) and Chief 1200 (12 HP) in Jacobsen lawn tractors's range. Its power puts it in the 87th percentile of 1960s models in our database (550 machines).
Frequently asked questions
How much horsepower does the Jacobsen lawn tractors Chief 1000 have?
The Jacobsen lawn tractors Chief 1000 delivers 10 HP.
What years was the Jacobsen lawn tractors Chief 1000 produced?
The Jacobsen lawn tractors Chief 1000 was produced in 1964-1971.
What engine does the Jacobsen lawn tractors Chief 1000 have?
The Jacobsen lawn tractors Chief 1000 is powered by a Gasoline, 1-cylinder engine.
What transmission does the Jacobsen lawn tractors Chief 1000 use?
The Jacobsen lawn tractors Chief 1000 uses a Peerless transmission.
Is the Jacobsen lawn tractors Chief 1000 4WD?
The Jacobsen lawn tractors Chief 1000 is available in 2WD.