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Jacobsen Chief 1200

The Jacobsen Chief 1200 is a tractor produced by Jacobsen Lawn Tractors. It is equipped with a 476 cc 29.07 ci engine. The listed engine power is Gasoline (listed): 12 hp / 8.9 kW. Transmission: Peerless 2300.

Engine Power
Gasoline (listed): 12 hp / 8.9 kW
Fuel & Capacities
1.25 gal 4.7 L
Transmission
Peerless 2300

Overview

Jacobsen Chief 1200 tractor photo
1966 - 1968 Garden tractor
Production
Manufacturer
Jacobsen
Garden tractor
Built in Racine, Wisconsin, USA
Variants
Chief 1200
gear
Super Chief 1200
hydrostatic
Jacobsen Chief 1200 Engine
12HP Kohler 476cc 1-cyl gasoline
Fuel tank
1.25 gal 4.7 L
Engine details ...
Jacobsen Chief 1200 Transmission
4-speed gear
Transmission details ...
Mechanical
Two-wheel drive
Manual steering
Mechanical band brakes
Open operator station.
Power Take-off (PTO)
Mid PTO
independent
Clutch
manual
Mid PTO Type
pulley
Dimensions & Tires
Wheelbase
42 inches 106 cm
Front tire
16x6.50
Rear tire
23x8.50
Full dimensions and tires ...
Electrical
Ground
negative
Battery volts
12
References
Chief 1200 references literature
Chief Tractor Attachments published in 1967, by Jacobsen
Chief "Easy-On" Attachments published in 1968, by Jacobsen
Chief Tractors published in 1967, by Jacobsen

Engine

Engine Detail — 476 cc / 29.07 ci Gasoline

Manufacturer
Kohler K301
Fuel Type
Gasoline
Configuration
1-cylinder, air-cooled horizontal-shaft
Displacement
476 cc 29.07 ci
Bore/Stroke
3.375x3.25 inches 86 x 83 mm
Power
12 hp 8.9 kW
Air cleaner
dry
Rated RPM
3600
Starter volts
12
Oil capacity
2.5 qts 2.4 L
Jacobsen Chief 1200 Engine
Jacobsen Chief 1200 engine image
Image courtesy of Thompson Speed Shop

Transmission

Transmission — Peerless 2300

Transmission
Peerless 2300
Type
belt-driven gear
Gears
4 forward and 1 reverse
Chief 1200 2300 belt-driven gear speeds

Dimensions

Jacobsen Chief 1200 Tires
Lawn/turf front
16x6.50
Lawn/turf rear
23x8.50
Dimensions
Wheelbase
42 inches 106 cm
Width
33 inches 83 cm
Height (steering wheel)
39 inches 99 cm
Height (hood)
34.5 inches 87 cm
Ground clearance
11.75 inches*Ground clearance the the tractor frame. 29 cm
Clearance (front axle)
8.75 inches 22 cm
Clearance (rear axle)
6.25 inches 15 cm
Front tread
30 inches 76 cm
Rear tread
31.5 inches 80 cm

Attachments

Attachment overview
36" mid-mount mower deck
42" mid-mount mower deck
48" mid-mount mower deck
Snowblower
Blade
Front-end loader
A belt-driven 32-inch tiller, model 59713, was available.

Photos

Jacobsen 1200 garden tractor.

Jacobsen 1200 garden tractor.

Jacobsen 1200 operator station and controls.

Jacobsen 1200 operator station and controls.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Jacobsen Lawn Tractors Jacobsen Chief 1200.

Estimated Continuous Field Runtime: 2.1 hrs

Approximately 2.1 hours of continuous field operation at ~75% rated power on a full tank (1.3 gal / 4.7 L).

Estimated 75% Load Fuel Burn~0.6 gal/hr (2.4 L/hr)

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 1200 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Jacobsen Lawn Tractors Jacobsen Chief 1200.

Converted Equivalents:

Horsepower (HP)12 hp
Kilowatts (kW)8.9 kW
Metric Horsepower (PS / CV)12.2 PS

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