13 replies to this topic

[freeisforme]

I currently own a pair of 410 tractors, one three speed, one hydro.
I have a chance to pic up a pair of 310 models that are basically parts tractors, how similar are the 300 and 400 models? Are they the same frame and wheel base? Same hood etc?

 

The 310 models are both variable drive type transmissions.

 

 

 

[KennyP]

Welcome to the forum! I hope someone comes along with an answer for you soon!

[crittersf1]

[boyscout862]

Welcome to GTT. We have a Manuals Section where you can download three per day for free. Someone that knows the answer to your question will be along soon. Good Luck, Rick

[hamman]

Welcome! I believe the 310 and 410 AC are close to the same tractor. I am not familiar with that model as I am the 7000 series. Good luck hope someone here can give you a better answer. Roger.

[freeisforme]

Judging by pics I found on the web they look like the same machine but I can't say for sure since I don't have one to actually compare to here.
I just don't want waste a day's driving and a tank or so of gas to find out nothing swaps. Both were hurricane damaged tractors, I'm not sure how much water they saw but both have seized motors. Its the other parts I need, lift rods, fenders, hoods, etc.
I can count on one hand how many I've seen in person around here over the years, counting mine.

[acguy96]

For the most part they probably should be the same. I can't think of any differences. Just test fit the parts and find out if they fit.

Edited by acguy96, June 19, 2013 - 04:30 PM.

[skunkhome]

There some differences, most notable for me is the front axle. The 300 has a box beam while the 400 has an open twin beam.

[freeisforme]

Would the lift rods, lift handles, and cross shaft be the same?

How about the BGB?

What transaxle did they use?

The one has the variable set up removed and replaced with straight pulleys, is it basically just a regular three speed with a variator drive?

Does the 310 hood fit a 410?

[sammiefish]

lift handles: same

 

bgb: some are same (my original 310 does not have the threaded shaft end that would have accomadated a cone clutch on a simplicity, all my other 3 and 4's have the threaded end on the bgb pto shaft side), Also, you can look to see on yours, but I think the driven side shaft is different between variables and hydro's

 

transaxle: if the 400 is a 3 speed (not 4 speed shuttle) then its the same as the 300

lift cross shaft setup itself is different... on 300 when rear is up, blower is down...

on 400 when rear is up, blower is up.  I hope I dont have this exactly backwards...... uhhh... anyway, heads up

[freeisforme]

By removing the variable drive pulleys, did they basically make this the same as a straight three speed model?

(Were the transaxle pulley shafts the same length as on a factory three speed).

The BGB left side shaft isn't threaded, but the right side, which drives the tractor is. My 410 is the same that way too.

My 410 didn't use a PTO clutch there, it drives the deck off a mule drive and the left side of the BGB only ran the tiller which was controlled by belt tension. This is why I'm after these in the first place, the cross shaft on which the lift lever mounts is broken on my 410, I need to find another one so I can lift the tiller. Right now its broke off just flush on the left side.

 

If that shaft isn't correct, and so much else is different I may pass on the 310 models, or at least not worry about rushing up to get them this weekend.

[skunkhome]

I have a hunch that the reason some of the 300 & 400's have the BGB threaded for a cone clutch is that they were being built concurrently with the Simplicity 3400 series models. Though they were built in different plants they used the same drive train, parts supply.

Edited by skunkhome, July 16, 2013 - 08:19 AM.

[OldAllis52]

As far as the hood I think they are different. I have a 310 nose and it is smaller than the nose on the 416 we are rebuilding. It does not look like the hood would fit. Going by an Allis Chalmers book I have by Norm Swinford the 400 series was supposed to be a larger tractor. I do not know about the drivetrain though. My transaxle looks just like one from a 700 series but I never compared to a 300 series.

[skunkhome]

As far as the hood I think they are different. I have a 310 nose and it is smaller than the nose on the 416 we are rebuilding. It does not look like the hood would fit. Going by an Allis Chalmers book I have by Norm Swinford the 400 series was supposed to be a larger tractor. I do not know about the drivetrain though. My transaxle looks just like one from a 700 series but I never compared to a 300 series.

Well, I have Norm Swinford's book and there are a number of inaccuracies. The 400 series is not larger than the 300 series. Same overall length (74"), wheelbase (48.1") and height (43").