Series:
| Series: | Chief-O-Matic 1000 ← | Chief-O-Matic 1200 53090 |
| | Super Chief 1200 ↓ |
1966
Production
| Production |
| Manufacturer | Jacobsen |
| Garden tractor |
| Built in Racine, Wisconsin, USA |
Jacobsen Chief-O-Matic 1000 Engine
| Jacobsen Chief-O-Matic 1000 Engine |
| 10HP Kohler 390cc 1-cyl gasoline |
| Fuel tank | 1.25 gal
4.7 L |
| Engine details ... |
Jacobsen Chief-O-Matic 1000 Transmission
| Jacobsen Chief-O-Matic 1000 Transmission |
| hydrostatic |
| Transmission details ... |
Mechanical
| Mechanical |
| Two-wheel drive |
| Manual steering |
| Mechanical band brakes |
| Open operator station. |
Power Take-off (PTO)
| Power Take-off (PTO) |
| Mid PTO | independent |
| Clutch | manual |
Dimensions & Tires
| Dimensions & Tires |
| Wheelbase | 42 inches
106 cm |
| Front tire | 16x4.80-8 |
| Rear tire | 22x6-12 |
| Full dimensions and tires ... |
Chief-O-Matic 1000 Serial Numbers
| Chief-O-Matic 1000 Serial Numbers |
Chief-O-Matic 1000 Serial Location
| Chief-O-Matic 1000 Serial Location |
|
| Serial number plate on the left-front side of tractor, above the front axle. |
Electrical
| Electrical |
| Ground | negative |
| Battery volts | 12 |
Production
| Production |
| Manufacturer | Jacobsen |
| Type | Garden tractor |
| Factory | Racine, Wisconsin, USA |
Jacobsen Chief-O-Matic 1200 Engine
| Jacobsen Chief-O-Matic 1200 Engine |
| 12HP Kohler 476cc 1-cyl gasoline |
| Engine details ... |
1966
Series:
| Series: | Chief-O-Matic 1000 ← | Chief-O-Matic 1200 53090 |
| | Super Chief 1200 ↓ |
Engine Detail
| Engine Detail |
| Kohler K301 |
| gasoline |
| 1-cylinder horizontal-shaft-valve |
| air-cooled |
| 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 | electric |
| Starter volts | 12 |
Jacobsen Chief-O-Matic 1200 Transmission
| Jacobsen Chief-O-Matic 1200 Transmission |
| hydrostatic |
| Transmission details ... |
1966
Series:
| Series: | Chief-O-Matic 1000 ← | Chief-O-Matic 1200 53090 |
| | Super Chief 1200 ↓ |
Transmission
| Transmission |
| Type | belt-driven hydrostatic |
| Gears | infinite forward and reverse |
Mechanical
| Mechanical |
| Chassis | 4x2 2WD |
| Steering | manual |
| Brakes | mechanical band |
| Cab | Open operator station. |
Dimensions & Tires
| Dimensions & Tires |
| Wheelbase | 42 inches
106 cm |
| Full dimensions and tires ... |
1966
Series:
| Series: | Chief-O-Matic 1000 ← | Chief-O-Matic 1200 53090 |
| | Super Chief 1200 ↓ |
Jacobsen Chief-O-Matic 1200 Tires
| Jacobsen Chief-O-Matic 1200 Tires |
Chief-O-Matic 1200 Serial Numbers
| Chief-O-Matic 1200 Serial Numbers |
Chief-O-Matic 1200 Serial Location
| Chief-O-Matic 1200 Serial Location |
|
| Serial number plate on the left-front side of tractor, above the front axle. |
Electrical
| Electrical |
| Ground | negative |
| Battery volts | 12 |
