Jacobsen lawn tractors

Jacobsen Chief 1200

The Jacobsen Chief 1200 is a garden tractor produced from 1966 to 1968 by Jacobsen in Racine, Wisconsin, USA. It features a 12 hp Kohler K301 476cc 1-cylinder air-cooled gasoline engine, a Peerless 2300 belt-driven 4-speed gear transmission, and two-wheel drive with manual steering and mechanical band brakes. The tractor has a mid independent PTO with a manual clutch and pulley type. It offers various attachments including mid-mount mower decks, snowblowers, blades, and a front-end loader. The Chief 1200 was available in gear and hydrostatic variants, with the Super Chief 1200 being the hydrostatic model.

Power-

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ModelChief 1200

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Technical Specifications

Detailed specifications and technical data for Jacobsen Chief 1200

Tires

Rear tire	23x8.50
Front tire	16x6.50
Lawn/turf rear	23x8.50
Lawn/turf front	16x6.50

Engine

Type	gasoline
Model	Kohler K301
Power	12 hp (8.9 kW)
Cooling	air-cooled horizontal-shaft
Cylinders	1-cylinder
Fuel tank	1.25 gal (4.7 L)
Rated RPM	3600
Air cleaner	dry
Bore/Stroke	3.375x3.25 inches (86 x 83 mm)
Displacement	476 cc (29.07 ci)
Oil capacity	2.5 qts (2.4 L)
Starter volts	12

Variants

Chief 1200	gear
Super Chief 1200	hydrostatic

Dimensions

Width	33 inches (83 cm)
Wheelbase	42 inches (106 cm)
Rear tread	31.5 inches (80 cm)
Front tread	30 inches (76 cm)
Height (hood)	34.5 inches (87 cm)
Ground clearance	11.75 inches (29 cm)
Clearance (rear axle)	6.25 inches (15 cm)
Clearance (front axle)	8.75 inches (22 cm)
Height (steering wheel)	39 inches (99 cm)

Electrical

Ground	negative
Battery volts	12

Mechanical

Drive	Two-wheel drive
Brakes	Mechanical band brakes
Steering	Manual steering
Operator station	Open operator station

Production

Type	Garden tractor
Built in	Racine, Wisconsin, USA
Years produced	1966 - 1968

Attachments

Tiller	A belt-driven 32-inch tiller, model 59713, was available.
Blade 42"	Jacobsen, front-mount, 42 inches width (106 cm)
Snowblower 36"	Jacobsen 597XX, 36 inches width (91 cm), two-stage, front-mount, manual-lift
Snowblower 38"	Jacobsen 596XX, 38 inches width (96 cm), single-stage, front-mount, manual-lift
Front-end loader	Danco JC 600 Loader, 300 lbs lift (full at pin) (136 kg), 52 inches clearance (level) (132 cm), Bucket width: 34 inches (86 cm)
36" mid-mount mower deck	Jacobsen 59730, 36 inches (91 cm), 2-blade, manual lift, left-discharge, Cut height: 1.5 to 4 inch (3 to 10 cm)
42" mid-mount mower deck	Jacobsen 59736, 42 inches (106 cm), 3-blade, manual lift, right-discharge, Cut height: 1.25 to 3 inch (3 to 7 cm)
48" mid-mount mower deck	Jacobsen 59782, 48 inches (121 cm), 3-blade, manual lift, right-discharge