General Information:

• This model was painted all "Phantom Black." 
• On 1970-72 models, the serial number was on a plate riveted to the port side of the swivel bracket.
• On 1973 models the serial number was on the instruction plate on the front of the swivel bracket.
• Serial numbers 2827677 thru 2893425 are 1970 models.
• Serial numbers 2991679 thru 3226957 are 1971 models.
• Serial numbers 3226958 thru 3537530 are 1972 models.
• Serial numbers 3537531 thru 3755884 are 1973 models.
• This model was offered in both Short and Long Shaft versions.