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ENGINE INFORMATION  - 1981

Simplicity

Model Year Manufacturer Number Tractor Description Engine Model Engine Type

Yeoman

1973

899

648 - 8 HP

190707

0790-01

1973

899

648 w/o Mower - 8 HP

190707

0790-01

1972

763

637 Manual Start - 7 HP

170702

1184-01

1972

764

637 Electric Start - 7 HP

170707

1185-01

1972

763

637 Manual Start - 7 HP

170702

1184-01

1972

764

637 Manual Start - 7 HP

170707

1185-01

1971

645

627 Electric Start - 7 HP

170707

1128-01

1971

646

627 Manual Start - 7 HP

170702

1127-01

1970

578

627 - 7 HP

170702

0703-01

1970

579

627 Electric Start - 7 HP

170707

0704-01

1969

542

627 Electric Start - 7 HP

170705

0683-01

1969

486

627 - 7 HP

170702

0682-01

1968

415

616 - 6 HP

146702

1120-01

[Source:  Simplicity Engine Information, 1981, courtesy of Bob Tiarks]

 

 

 

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