Jacobsen lawn tractors

Jacobsen Chief 800

The Jacobsen Chief 800 is a garden tractor produced from 1964 to 1969 in Racine, Wisconsin, USA. It features an 8 hp Kohler K181 305cc 1-cylinder gasoline engine with air-cooled horizontal-shaft design. The tractor offers 3-speed and 4-speed belt-driven gear transmissions by Peerless with manual idler pulley clutch. It has two-wheel drive, manual steering, mechanical band brakes, and an open operator station. The Chief 800 includes a mid PTO with manual clutch and pulley type. Dimensions include a 42-inch wheelbase, 61-inch length, and 33-inch width. Tires are lawn/turf type with front sizes 16x4.80-8 or 16x6.50-8 and rear sizes 22x6-12 or 22x8-12. Electrical system is 12 volts with negative ground. Attachments available include 36" and 42" mid-mount mower decks, snowblowers, blades, front-end loader, and a belt-driven 32-inch tiller. Variants include the gear-driven Chief 800 and hydrostatic Chief-O-Matic 800.

Power-

Founded-

ModelChief 800

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Technical Specifications

Detailed specifications and technical data for Jacobsen Chief 800

Tires

Lawn/turf rear	22x6-12, 22x8-12
Lawn/turf front	16x4.80-8, 16x6.50-8

Engine

Type	gasoline
Cooling	air-cooled horizontal-shaft
Starter	electric
Cylinders	1-cylinder
Fuel tank	1.25 gal (4.7 L)
Rated RPM	3600
Air cleaner	dry
Bore/Stroke	2.9375x2.75 inches (75 x 70 mm)
Displacement	305 cc (18.64 ci)
Engine model	Kohler K181
Oil capacity	1.25 qts (1.2 L)
Power (gross)	8 hp (6.0 kW)
Starter volts	12

Variants

Chief 800	gear
Chief-O-Matic 800	hydrostatic

Dimensions

Width	33 inches (83 cm)
Length	61 inches (154 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 (frame) (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	1964 - 1969

Attachments

42" Blade	Jacobsen, front-mount, 42 inches width (106 cm)
36" 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" 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)
36" Snow blower	Jacobsen 597XX, 36 inches width (91 cm), two-stage, front-mount, manual-lift
38" Snow blower	Jacobsen 596XX, 38 inches width (96 cm), single-stage, front-mount, manual-lift
Attachment overview	36" mid-mount mower deck, 42" mid-mount mower deck, Snowblower, Blade, Front-end loader, A belt-driven 32-inch tiller, model 59713, was available.
Danco JC 600 Loader	300 lbs lift (full at pin) (136 kg), 52 inches clearance (level) (132 cm), Bucket width: 34 inches (86 cm)

Transmission

Type	belt-driven gear
Notes	Three-speed transmission used on the Chief 800 in 1964 and 1965. Four-speed transmission introduced for the 1966 model year, Chief 800 model 53033.
Clutch	manual idler pulley
Transmission	Peerless
Gears (3-speed)	3 forward and 1 reverse
Gears (4-speed)	4 forward and 1 reverse
Transmission options	3-speed gear, 4-speed gear