. "Case 9-18"@en . . "1916"^^ . . . "The Case Model 9-18 was built from 1916-1920. Replaced by the Case 10-18."@en . . . "The Case Model 9-18 was built from 1916-1920. Replaced by the Case 10-18."@en . . "250"^^ . "Water"@en . . . . "1920"^^ . "Case 9-18"@en . "2"^^ . . . . . "1918"^^ . . . . .