SMTA vs M lengths

[55 50 Ron]

Several times in the past, I've wondered about the differences in length from a SMTA versus a regular M. Today I was in a shed with both available so I did some measuring. I know the SMTA is longer to accommodate the TA (Torque Amplifier) so I measured hood and found SMTA hood about 3 to 4 inches longer than M hood. (I didn't measure precisely, just wanted an estimate) The chassis where the TA is located is more than 3 or 4 inches longer than the comparable chassis on a regular M. Measured both gas tank lengths - same. Measured both grill lengths - same.

I was surprised to find the difference is made up by a larger space (some 4 or 5 inches) on the SMTA between gas tank and the vertical post for the steering shaft where on the regular M the gas tank almost touches the vertical post.

No guarantees that this is all precise and correct as I don't know the history of these two tractors as to whether or not their parts are all original from the factory.

Probably way more than anyone wants to know, but I thought it interesting, especially the space difference between gas tanks and vertical steering posts.

 

[rustred]

yes that is basically correct. on the w6ta you have a noticeable space from regulator to gas thank. no difference in hoods on the super models. the standard w6 is very slightly shorter hood. I did all that measuring before. now need to recheck the measure ments.

 

[D Slater]

Think the SMTA center housing is 5.5 inches longer if remembering correct. Upper bolster extends 1-1/2 to 1-5/8 inches over a non diesel M and that's how much longer a SMTA hood is and the same as a MD hood length. Little less caster in the lower bolster adds a small amount if measuring wheel base.

 

[Sking]

My dad always said that a TA was 4" longer than a straight M.Seems like that had to be taken into consideration when mounting a picker.

 

[Brownie450]

When we put the #31 loader on the SMTA, we cut 5.5" oak blocks
to put in front of the rear axle housings to take up the extra
difference in length from the M to the SMTA.
Jim

 

[D Slater]

Need to correct my memory. Measured center housings and 5 inches different in length or close. Rear axle to front of center housing 5 inches different also. Frame rails the same length on both. SMTA around 1.5 to 1-5/8 longer than a M gas from front of frame rails to vertical steering shaft in the upper bolster.