i got an engine crane a few months ago, and its got 6 swiveling castors on it. so thats one on each of the folding legs, and the other 4 on the main base. thing is, when i assembled it, id din;t pay much attention to the bit where it said the wheels were 2 different sizes, 4" and 4 1/4". i got it a bit mixed up and its very wobbley!

never got round to correcting it, and i can't find the instructions. got it on ebay, and can't remember who i bought it from either, as i did it 'buy it now' over the phone....

so, its got 2 x 4" wheels and 4 x 4-1/4"

where should the 2 smaller ones be? in the middle or on the end of the folding legs?

Small ones on the folding legs

hmmm, 2 different opinions...

remember there's 4 wheels under the tower, and 2 on the legs though

Errr! at the risk of sounding silly, just fit them so that the thing doesn't rock. Would seem fairly simple to work out. Cheers Ray

ah, but you see, they would rock any way round, except if the small ones were in the middle, but then they wouldn't actually do anything then!

i put the small ones at the back, means it leans back a bit when its folded, seems alright