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 2810637 thru 2958118 are 1970 models.
• Serial numbers 3016581 thru 3274632 are 1971 models.
• Serial numbers 3274633 thru 3488152 are 1972 models.
• Serial numbers 3488153 thru 3801457 are 1973 models.
• This model was offered in both Short and Long Shaft versions.