Jacobsen lawn tractors GT-12
Power
12 hp
Production
1972-1976
Engine
Gasoline, 1-cylinder
Transmission
Belt-driven gear
Drive
2WD
From the same series:
Introduction
Jacobsen GT-12 Garden Tractor
The Jacobsen GT-12 is a garden tractor produced between 1972 and 1976 in Racine, Wisconsin, USA. It belongs to the GT-10 and GT-12H series, designed primarily for residential lawn care and light property maintenance.
Engine and Power
The tractor is powered by a Kohler K301AS, a single-cylinder, air-cooled, horizontal-shaft gasoline engine. It features a displacement of 476 cc (29.07 ci) and provides a gross power output of 12 hp (8.9 kW) at a rated speed of 3600 RPM. The engine utilizes a 12-volt starting system and has an oil capacity of 2.1 liters.
Transmission and Drive
The GT-12 utilizes a belt-driven gear transmission system, offering four forward gears and one reverse gear. Power is managed via an idler pulley clutch mechanism. The machine is configured as a two-wheel drive unit.
Mechanical Systems and Dimensions
Steering is achieved through a manual system, and braking is handled by mechanical band brakes. The tractor measures 182 cm in length and 96 cm in width, with a wheelbase of 116 cm. Front and rear axle clearances are 23 cm and 16 cm, respectively. The unit is equipped with lawn and turf tires, sized 16x6.50-8 for the front and 23x8.50-12 for the rear.
PTO and Attachments
The tractor is equipped with an independent front PTO, which utilizes a pulley-type system and an electric clutch for engagement. An optional sleeve hitch is available to accommodate various implements, and the machine is compatible with a 42-inch mower deck.
Conclusion
The Jacobsen GT-12 is a compact, manually steered garden tractor suited for standard lawn maintenance and small-scale property tasks. Its straightforward mechanical design and independent front PTO provide a reliable utility platform for homeowners and collectors of vintage garden equipment.
Production Information of Jacobsen lawn tractors, GT-12
- Garden tractor
- Built in Racine, Wisconsin, USA
| Manufacturer | Jacobsen |
|---|
Dimension and Tires Information of Jacobsen lawn tractors, GT-12
| Wheelbase | 46 inches [116 cm] |
|---|---|
| Clearance (front axle) | 9.125 inches [23 cm] |
| Height | 42 inches [106 cm] |
| Length | 71.7 inches [182 cm] |
| Clearance (rear axle) | 6.625 inches [16 cm] |
| Width | 38 inches [96 cm] |
| Lawn/turf front | 16x6.50-8 |
|---|---|
| Lawn/turf rear | 23x8.50-12 |
Engine Specifications of Jacobsen lawn tractors, GT-12
- Kohler K301AS
- Air-cooled horizontal-shaft
- Gasoline
- 1-cylinder
| Power (gross) | 12 hp [8.9 kW] |
|---|---|
| Displacement | 476 cc [29.07 ci] |
| Rated RPM | 3600 |
| Bore/Stroke | 3.375x3.25 inches [86 x 83 mm] |
| Oil capacity | 2.25 qts [2.1 L] |
| Starter volts | 12 |
Transmission Information of Jacobsen lawn tractors, GT-12
Transmission variants 1
| Type | Belt-driven gear |
|---|---|
| Gears | 4 forward and 1 reverse |
| Clutch | Idler pulley |
Mechanical Specs of Jacobsen lawn tractors, GT-12
- Two-wheel drive
- Open operator station. Vinyl weather cab optional.
- Manual steering
- Mechanical band brakes
Power Information of Jacobsen lawn tractors, GT-12
| Front PTO | Independent |
|---|---|
| Clutch | Electric |
| Front PTO Type | Pulley |
Three-Point Hitch of Jacobsen lawn tractors, GT-12
| Type(optional) | Sleeve hitch |
|---|
Electrical System of Jacobsen lawn tractors, GT-12
| Ground | Negative |
|---|---|
| Battery AH | 24 |
| Charging amps | 15 |
| Battery volts | 12 |
Where it sits
With 12 HP, the Jacobsen lawn tractors GT-12 sits just above GT-10 (10 HP) in Jacobsen lawn tractors's range. Its power puts it in the 76th percentile of 1970s models in our database (1008 machines).
Frequently asked questions
How much horsepower does the Jacobsen lawn tractors GT-12 have?
The Jacobsen lawn tractors GT-12 delivers 12 HP.
What years was the Jacobsen lawn tractors GT-12 produced?
The Jacobsen lawn tractors GT-12 was produced in 1972-1976.
What engine does the Jacobsen lawn tractors GT-12 have?
The Jacobsen lawn tractors GT-12 is powered by a Gasoline, 1-cylinder engine.
What transmission does the Jacobsen lawn tractors GT-12 use?
The Jacobsen lawn tractors GT-12 uses a Belt-driven gear transmission.
Is the Jacobsen lawn tractors GT-12 4WD?
The Jacobsen lawn tractors GT-12 is available in 2WD.