Re: 16.9 x 38 vs 15.5 x 38
i'm not real familiar with that tractor but do you mean 16.9 x28. 38's are a very tall tire for utility tractor. I assume the 15.5 are 28 s as well.
Since you already have the tires I would put them on and see what you think. A lot of it depends on if you are out of engine or out of tire. If you are out of engine then you may not want to go bigger but if you are out of tire as I suspect you are with that much hp on those tires the 16.9s should work fine.
Re: 16.9 x 38 vs 15.5 x 38
I don't know the tractor at all, but do you have 4x4? You could run into problems with the rear pushing the front end around, and eventually gearbox failure on the front end.
Re: 16.9 x 38 vs 15.5 x 38
I had a 3020 with the 15.5 38 tires that were worn badly and replaced them with 16.9 38 tires. I vaguely remember that the only problem was one implement didn't have enough clearance to hitch up because the tires stuck out farther to the rear. You may need to drop one gear to get the approximate travel speeds similar but overall it worked well enough. A 3020 and 2640 should be very similar in power (70 pto hp) so since tires are so expensive I would give it a shot after comparing the length of the lower hitch arms.
Re: 16.9 x 38 vs 15.5 x 38
Your friend's opinion does not match up with my experience. swapping to 16.9x38 tires from 15.5x38 will make a big difference in traction in most conditions. They are an acceptable fit on 14" rims. You already own them, put them on. The same swap made a huge improvement on a 4010 I once owned.
Ignore the guys who think you can't read numbers on a tire sidewall. 38" tires were optional on most Deere utility tractors and certainly were available on a 2640.
Re: 16.9 x 38 vs 15.5 x 38
Quote:
Originally Posted by
RickB
Your friend's opinion does not match up with my experience. swapping to 16.9x38 tires from 15.5x38 will make a big difference in traction in most conditions. They are an acceptable fit on 14" rims. You already own them, put them on. The same swap made a huge improvement on a 4010 I once owned.
Ignore the guys who think you can't read numbers on a tire sidewall. 38" tires were optional on most Deere utility tractors and certainly were available on a 2640.
I would agree and add that 38" rims were very popular for 2640 tractors and other older models. Now I see alot more tractors with smaller diameter with wider rims and tires in the newer tractors.
Re: 16.9 x 38 vs 15.5 x 38
When that tractor was made many of them were set-up for cultivating which required ground clearance and a narrow tire. To change out to the 16. RichB is right on! better ground speed as well as a big gain in traction. I wouldn't worry about filling them if you really want to enhance the performance unless you have a loader.
Re: 16.9 x 38 vs 15.5 x 38
Yeah, a 28 inch rim to a 38 inch rim would make that thing really go!