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Jacobsen Chief 1000

Jacobsen Chief 1000 tractor
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The Jacobsen Chief 1000 is a garden tractor produced from 1964 to 1971 in Racine, Wisconsin, USA. It features a 10 hp Kohler K241 390cc 1-cylinder gasoline engine with air-cooled horizontal shaft, and a choice of 3-speed or 4-speed Peerless belt-driven gear transmissions with manual idler pulley clutch. The tractor has two-wheel drive, manual steering, mechanical band brakes, and an open operator station. It includes a mid PTO with manual clutch and pulley type. Dimensions include a 42-inch wheelbase, 61-inch length, and 33-inch width, with various tire options. Attachments available include multiple mid-mount mower decks, snow blowers, blades, and a front-end loader. Electrical system is 12 volts with negative ground. Variants include gear and hydrostatic transmission models.
Jacobsen Chief 1000garden tractorKohler K241 engine10 hpPeerless transmissionmower deckssnow blowerfront-end loader1964-1971
Power-
Founded-
ModelChief 1000

Technical Specifications

Detailed specifications and technical data for Jacobsen Chief 1000

Engine

Type:gasoline
Model:Kohler K241
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:3.25x2.875 inches (83 x 73 mm)
Displacement:390 cc (23.85 ci)
Oil capacity:2.5 qts (2.4 L)
Power (gross):10 hp (7.5 kW)
Starter volts:12

Overview

Drive:Two-wheel drive
Brakes:Mechanical band brakes
Built in:Racine, Wisconsin, USA
Category:Garden tractor
Steering:Manual steering
Operator station:Open operator station
Production years:1964 - 1971

Variants

Chief 1000:gear
Super Chief 1000:hydrostatic
Chief-O-Matic 1000:hydrostatic

Electrical

Ground:negative
Battery volts:12

Attachments

42" Blade:Jacobsen, front-mount, 42 inches width (106 cm)
Additional:A belt-driven 32-inch tiller, model 59713, was available.
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
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

Transmission

Notes (3-speed):Three-speed transmission used on the Chief 1000 in 1964 and 1965.
Notes (4-speed):The four-speed transmission was introduced for the 1966 model year, Chief 1000 model 53037.
Transmission options:3-speed gear, 4-speed gear
Transmission (3-speed):Peerless, belt-driven gear, 3 forward and 1 reverse, manual idler pulley clutch
Transmission (4-speed):Peerless 2300, belt-driven gear, 4 forward and 1 reverse, manual idler pulley clutch

Serial Numbers

1964:1601 (53035)
1965:1601 (53036)
1966:1601 (53037)
1967:1601 (53039)
1968:6430 (53039)
1969:1601 (53077)
1970:5126 (53077)
1971:10226 (53077)

Dimensions & Tires

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)
Rear tire options:22x6-12, 22x8-12
Front tire options:16x4.80-8, 16x6.50-8
Clearance (rear axle):6.25 inches (15 cm)
Clearance (front axle):8.75 inches (22 cm)
Height (steering wheel):39 inches (99 cm)
Ground clearance (frame):11.75 inches (29 cm)

Power Take-off (PTO)

Clutch:manual
PTO type:independent
Mid PTO Type:pulley
PTO location:Mid PTO