Farrell(Utah)
New User
Are the ground speeds for the M and Super M tractors the same or are they different? Does anyone have the ground speed data for a Super M with 12(13.6)X38 and 13(14.9)X38 tires? Thanks.
- Thread starter Farrell(Utah)
- Start date
Bob M
Well-known Member
Only 1st gear is the same for the M and Super M. Super M's higher gears (and reverse) are all faster.
Published Super M ground speeds for 13.6 x 38 tires:
1st - 2-5/8
2nd - 3-3/4
3rd - 5
4th - 6-3/4
5th - 16 - 3/4
Naturally with 14.9 tires gives speeds a bit higher.
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FWIW a hand-held GPS shows my Super M (14.9 tires) runs 19.1 mph on a flat road in 5th.
Published Super M ground speeds for 13.6 x 38 tires:
1st - 2-5/8
2nd - 3-3/4
3rd - 5
4th - 6-3/4
5th - 16 - 3/4
Naturally with 14.9 tires gives speeds a bit higher.
-----
FWIW a hand-held GPS shows my Super M (14.9 tires) runs 19.1 mph on a flat road in 5th.
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