Jacobsen Chief 100
The Jacobsen Chief 100 is a tractor produced by Jacobsen Lawn Tractors. It is equipped with a 265 cc 16.22 ci engine. The listed engine power is Gasoline (listed): 7 hp / 5.2 kW. Transmission: 3 forward and 1 reverse.
Engine Power
Gasoline (listed): 7 hp / 5.2 kW
Fuel & Capacities
1.25 gal
4.7 L
Transmission
3 forward and 1 reverse
Overview
 | 1961 - 1963
Model year 1961-19621963
Garden tractor |
|---|
Production | |
|---|---|
Manufacturer | Jacobsen |
Garden tractor | |
Built in Racine, Wisconsin, USA | |
Original price was $570 in 1961 | |
Variants | |
|---|---|
100A | electric start |
100B | manual start |
Jacobsen Chief 100 Engine | |
|---|---|
7HP Kohler 265cc 1-cyl gasoline | |
Fuel tank | 1.25 gal
4.7 L |
Engine details ...  | |
Jacobsen Chief 100 Transmission | |
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3-speed gear | |
Transmission details ...  |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Open operator station. |
Dimensions & Tires | |
|---|---|
Wheelbase | 42 inches
106 cm |
Front tire | 4.00/4.80-8 |
Rear tire | 6.00-12 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
Engine
Engine Detail — 265 cc / 16.22 ci Gasoline
Manufacturer | Kohler K161S |
Fuel Type | Gasoline |
Configuration | 1-cylinder, air-cooled horizontal-shaft |
Displacement | 265 cc
16.22 ci |
Bore/Stroke | 2.875x2.50 inches
73 x 64 mm |
Power | 7 hp
5.2 kW |
Starter | manual recoil |
electric OptOptional | |
Starter volts | 12 |
Transmission
Transmission — 3 forward and 1 reverse belt-driven gear
Type | belt-driven gear |
Gears | 3 forward and 1 reverse |
 | |
Dimensions
Jacobsen Chief 100 Tires | |
|---|---|
Lawn/turf front | 4.00/4.80-8 |
Lawn/turf rear | 6.00-12 |
Dimensions | |
|---|---|
Wheelbase | 42 inches
106 cm |
Length | 61 inches
154 cm |
Width | 33 inches
83 cm |
Ground clearance | 7 inches
17 cm |
Attachments
Attachment overview | |
|---|---|
36" mid-mount mower deck | |
Snowblower | |
Blade | |
Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments. |
36" Mower deck | |
|---|---|
Type | mid-mount Jacobsen |
2-blade with manual lift | |
Cutting width | 36 inches
91 cm |
Photos
Jacobsen Chief 100A.
Jacobsen Chief 100A.
Jacobsen Chief 100A.
Jacobsen Chief 100A controls.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Jacobsen Lawn Tractors Jacobsen Chief 100.
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Jacobsen Lawn Tractors Jacobsen Chief 100 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Jacobsen Lawn Tractors Jacobsen Chief 100.
Converted Equivalents:
Horsepower (HP)7 hp
Kilowatts (kW)5.2 kW
Metric Horsepower (PS / CV)7.1 PS
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