Hi, Going over the thread you guys seem to have reached most the conclusions I would have come too.
The tyres and wheels on your machine definately do not look right. Too big front and back. There must be some sort of hubs on your rear axle going by the bolts, the rear wheels on mine I have a feeling are on a keyed taper lock. I know one is loose.
It looks like the right deck, the anti scalping wheels are wrong, I assume thats because of the rear tyres, the lugs are cast on the deck, if I remember right the later deck just has metal brackets bolted. Is there a different set of unused mounting bolt holes in the top of the deck?? There is a listing for 18" blades in the parts list.
From the pic I saw it looks like there is still some clutch material on there. I doubt that would be high wear if it was setup right.
I have 3 HD-8's here. All powered by G65 honda motors. With the tank on top these are a very large and tall motor.
I also have some spare engines from Deutscher slashers. (another australian beauty)
I have the yellow machine, which for all intents, apart from the briggs, looks like it is the same machine as yours with the Cluch on the front of the motor for the cutter. I'm missing the deck drive part of the clutch, and the deck and seat.
The other two machines I have are Red ones. The better of the two is the one pictured in the other thread (link on the first page), it came from canberra, no deck but has the seat. The other I got for a good deal, minus bonnet but with the propper solid front wheels, an original deck thats pretty beat up and a reduction G45 motor.
These were the earlier model. There was one belt off the front of the motor and above the deck spindle was an idler to pick up another belt that went back to the drive assembly. I am not sure if the idler on the deck was clutched in any way, it appears not. The drive to the deck was 4 pins with rubber tubing that went up into holes in the underside of the idler.
Due to my over enthusiastic ability to hoard crap, I gabbed the above when the opportunity arose, had a bit of a look and what not and then put it all away. Room is tight and I have stuff on top of stuff. Hoping to get to it one day, if I dont finish what I am doing now I will never get to it, so I am reluctant to go out and scour over the workings and get all snap happy. Where I to get into it I would doccument my progress. If there was something in particular ask, I will do my best to help out.
I have an 11XL that I was going to use for parts, deck (and drive and wheels if needed). I was going to fix the yellow machine into a going concern.
Then from the two red machines I wanted to fully restore one. And given what I am thinking about the deck drive, have it setup with no blades on it as a static tribute. It will be a fair task, I will need to have the deck repaired.
I had seen two other complete working machines one yellow one red for sale by the same guy on ebay, I was half interested but the $350+ea price tags put me off.
My advice to you.
You have a nice clean machine there. To make it 100% original would be nothing short of a logistical nightmare, certainly not impossible but I would say impractical.
I would just work on its appearance and workings, sort out any issues that you can see and enjoy it.
Best I can tell it is in a state where you could add a belt and get mowing. What more would you want a ride on mower to do??
If you wanted to show it at a rally or similar I'd have to assume that in the UK you would be hard pressed to find a person that would know enough about them to pick it to bits.
But then I suppose you would know.
I did contact Greenfields. 1800100100
The guy who helped me was Ken Harris.
KHarris@greenfieldmowers.com.au
He mailed me out a copy of the parts list for the Super 8 (yellow one) and the HD-8 (old red) and the Ultimow (Walk behind slasher) as none of these are available in PDF. They look like photocopies of photocopies and the quality is crap, and thats putting it nicely. But full points to Ken for doing his best to help out, I was actually contacting him about the slasher, the parts lists for the old tractors where an after thought.
I couldnt say anymore about dating it than what you have worked out. I am not aware of any frame or chassis numbers or identifying marks.
The engineering is not that exceptional, I would imagine most parts could easily be sourced from an engineering suplies place or replcated on fairly basic machinery.
Only things that would be harder would be the cast alloy, bits, seat pan, steering wheel, steering gears. Perhaps they could be bought. I know all 3 of the machines I have here the steering gears are fairly worn.
Cheers, Bob.