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Joined: Apr 2022
Posts: 5
Novice
Hi Folks - I picked up a facebook marketplace find - a cox "compact tractor".

See photos below

1) electrical wiring was old and frayed, now repaired (got some battery cables from a wrecker)
2) flat tyres - removed shredded tyre and replaced - filled all 4 wheels with "tyre weld"

3) worn cutting belt that completely shredded.. (I dont know how big to purchase) - any ideas??

4) it occassinoaly blows oil out of the crank case breather. (This causes masses of grey smoke, so I disconnected the breather, and it instead blows hot oil onto my left boot)

5) - it doesn't seem to have a brake lever attached on left hand side?

I need to identify the mower to get the right belt parts - and can't find any serial numbers on the mower. The side of the mower says "compact tractor" and it has a short rounded clutch pull rod on the right hand side.

I did some searching and found this manual/parts diagram.. i THINK it is the right one but unsure...
Cox Compact Tractor Manual

I did find a model and type on the engine though - Briggs and Stratton 12.5HP
Model 286707-type 4028 02-Code 92062931

So - here is some photos of the mower - can you please help me identify it?

And any thoughts on the blowing oil back into the carby through the breather?

Thanks in advance..

Jon

[img]https://photos.app.goo.gl/Us3Dq5WVcYrtDaXDA[/img]
[img]https://photos.app.goo.gl/wgB8SfgHZbTmvMqr7[/img]
[img]https://photos.app.goo.gl/uQJAbj32MAFGApAq6[/img]
[img]https://photos.app.goo.gl/DAnnwe9h7u62GykG8[/img]


handyman, small engine repairs and mowing
Joined: May 2010
Posts: 304
Likes: 22
Apprentice level 4
Ok, So that is a compact tractor, however it is an earlier 928 Series 1, that was painted greeny/yellow and brown, and had the little blade lever. Someone has "restored" it at some point and put later stickers on it and made huge rear mudguards for it. I have one identical and it is from 1976. That engine is not original and is from 1995. Would have had a 10hp white briggs in it, going by the wider tyres.

The engine to rear drive pulley belt is a B64, and the deck belt is a B50.

There was a rudimentary brake on them, operated on the big rear drive sprocket, but did not really work and was mostly pulled off, mine has been also. I do have pictures of the genuine setup and I can see why it was a problem. Brakes are not really necessary on a cox as like a greenfield you just use reverse to slow you down.

as for the oil issue, it could be as simple as a bad PCV valve, (which is built into the tappet cover, behind the carby) or as severe as shot rings causing huge blow by pushing the oil out the breather.

Joined: Apr 2022
Posts: 5
Novice
thank you so much for the information! that gives me some clues to go with. I will source a deck belt at least. The thing with the oil is - it's intermittent, and it doesn't matter if it's cold or warm it just happens occassionally. I will either put a catch can on it, or I will see if I can sort out the pcv valve.

Kind Regards Jon


handyman, small engine repairs and mowing
Joined: Apr 2022
Posts: 5
Novice
I have purchased a Deck Belt (VB50) and drive belt (VB64) and an air filter, so I will give it some love and see how we go.


handyman, small engine repairs and mowing
Joined: Apr 2022
Posts: 5
Novice
I fitted the cutting belt today and it works well! Thanks ðŸ™


handyman, small engine repairs and mowing

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