Is the Sp14-1 motor plate rare for a 1977 set?

Yes, as a single piece from the 1977 Train theme, the Sp14-1 is considered a specific and collectible item.

What is the theme and year of this LEGO part?

This motor plate belongs to the Train theme and was released in 1977.

This listing includes exactly one piece, the LEGO Train Motor Plate with Coupler (Sp14-1).

Name: LEGO Train Motor Plate with Coupler (Sp14-1)
Brand: LEGO

Train

Train · 1977

Theme · TrainPieces · 1Set Number · Sp14-1Year · 1977

Used

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New / Sealed

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Is the Sp14-1 motor plate rare for a 1977 set?: Yes, as a single piece from the 1977 Train theme, the Sp14-1 is considered a specific and collectible item.
What is the theme and year of this LEGO part?: This motor plate belongs to the Train theme and was released in 1977.
How many pieces are included in this listing?: This listing includes exactly one piece, the LEGO Train Motor Plate with Coupler (Sp14-1).