|Factories||Racine, Wisconsin, USA|
- Kohler motor. The 100A and 100B were only produced up until 1962. The Jacobsen Chief was first introduced in 1961 with the 100A and 100B models. The 100A was the deluxe model with an electric start while the 100B was the base model with a pull-start. Both models were 2WD and came with a 7 hp (5.2 kW)
There was a 6 hp (4.5 kW) Lauson engine model as well.
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