Version:
1.3 (X3550)

KW: 62

HP: 84

Year: 01-1974/03-1978

Version:
1.4 (X6)

KW: 62

HP: 84

Year: 11-1979/09-1980

Version:
1.4 (X6)

KW: 66

HP: 90

Year: 11-1979/09-1980

Version:
1.4 (X6550)

KW: 66

HP: 90

Year: 12-1975/11-1979