Seller on eBay emailed me some pics of the one they were selling.

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Its definatley a clutch on the front.
I found the bar on mine, the post is on the opposite side and the bar had fallen down in behind between the grille and lower edge of the bonnet. Im not sure where the lever is meant to be or go theres no tell tale that it was ever there.
Mine still has the belt rollers for the deck (will probably need renewing as will the ones for the drive belt). So all i would need would be the clutch.

Feel a bit silly, i thought the park brake was the deck engage. Doh! looked today after i got the pics and its pretty obvioulsy a park brake.