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Massey Harris 101 Sr.

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Tom

12-13-2001 11:38:58




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We have a 1944 Massey Harris 101 Sr. How do you tell if it is a 101 Sr., 101 Twin Power, or a 101 Sr. Twin Power. The motor is a 226 Continental. We have no serial plate on the tractor, but I got the serial number from the top of the transmission and it says RA 2614xx. What does the A stand for? High Altitude? I know the R stands for rowcrop. What would be on the serial plate? Is it like the other Massey tag's? All we really need this information for is to get the correct decals when the time comes for them.

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Alberta Mike

12-13-2001 13:32:00




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 Re: Massey Harris 101 Sr. in reply to Tom, 12-13-2001 11:38:58  
That's a tough question. I see that the fellow I buy my decals from has both a 101 Senior and a 101 Senior Twin Power set offered. If yours actually has the twin power feature, there should be a long control rod that connects to some levers coming out of a small housing on the front right of the tractor transmission. All the Masseys had the little square housing since that's where the slider rods are anchored during the assembly process. The twin power tractors had a small control lever mounted on this housing, on the side I believe. From there, a long control rod went along the right side of the engine to the tractors governor. This little lever was activated to move (forward or backwards I can't remember) when the tractor was shifted into top gear (4th) or into the "B" position on the shifting platform. The "B" designation was on the twin power tractors shift pattern that was cast into the shifting platform. In either case, that moved the control rod and in some way, it allowed the regular governor settings for drawbar use, etc. to be bypassed and allowed the tractor engine to be operated at a speed higher than that normally controlled by the governor. If yours has the "B" showing and the little lever I mentioned, then you probably have a twin power. I have 2 MH 101 Juniors, both were twin powers and the first one was missing the long rod to the governor, the second one had it. It was then that I figured out how the twin power system worked. Does yours have the "B" on the shifting positions or the lever on that little box? If it does (and even if the long control rod is missing), then you most likely have a twin power.

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David B

12-14-2001 16:21:08




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 Re: Re: Massey Harris 101 Sr. in reply to Alberta Mike, 12-13-2001 13:32:00  
I think Alberta Mike is right on this one. Although the twin power has to be adjusted to use the extra notches on the throttle lever this littlr rod some how was connected to the front transmission block covering the shifter fork detents and was a lock to keep you from using it except in the B position or maybe in the road gear
My original owners manual for a 1944 101 jr shows part of this but I never could understand it till Mikes explaination.

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Dave_Id

12-13-2001 19:23:32




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 Re: Re: Massey Harris 101 Sr. in reply to Alberta Mike, 12-13-2001 13:32:00  
Hey Mike, didn't the later Massey "Twin Power" just designated by the faster throttle notches? I understood that basically "Twin Power" was just a advertising ploy to sell more machines...

Tom, I had the 101 Senior decal, and it didn't stand out that great. I'll send you a pic of my 101 Senior and the decals I used...



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Alberta Mike

12-14-2001 11:42:02




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 Re: Re: Re: Massey Harris 101 Sr. in reply to Dave_Id, 12-13-2001 19:23:32  
Are you still moving that Idaho snow? If you had a plow on that Massey you would eat it up pretty quick, especially on Twin-Power setting in 4th gear!!! We are now sending the white stuff from Alberta down to you, we've had enough. Actually, the early ones had that raised section on the throttle quadrant too. I'm beginning to think that maybe the later ones didn't use the system I described but my last Junior had the whole thing intact and it was as I described.

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Andrew

12-13-2001 21:22:34




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 Re: Re: Re: Massey Harris 101 Sr. in reply to Dave_Id, 12-13-2001 19:23:32  
I have a 102 Senior Twinpower (from the original decals and I have replaced these). From what I've read the senior would refer to all the 6 cylinder versions (junior is 4 cyl), the twin power is just the higher notch settings on the throttle quadrant only for belt work(something like 1600rpm to 1900rpm can't remember 100%), as for the B on the transmission I'm not sure as mine has it but it doesn't do anything. There is no "gate" there. Anyway sorry to ramble on. I'd be interested to hear as to the meaning behind the B on the gearbox.

Mine has an oval plate like any other Massey with a 6 digit number (no letters) This is also stamped on the machined surface near the belt pulley lever.

I'd be interested to hear other peoples comments.

Regards

Andrew

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Alberta Mike

12-14-2001 06:46:09




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 Re: Re: Re: Re: Massey Harris 101 Sr. in reply to Andrew, 12-13-2001 21:22:34  
Hello Andrew, the "B" on the shifting platform related to "belt" operation off the side pulley. I think most or all of the tractors had it whether or not the system was installed on the tractor. A true "twin power" did allow the operator to move onto that higher RPM section of the throttle quadrant, however if the whole thing is there as it was from the factory, the "bypass" would only work if the original drawbar governor setting was bypassed. This was done by the long control rod between the shifter rail box in front of the tranny and the governor. You wouldn't be able to bypass the governor setting while pulling a plow for example, because you wouldn't be in road gear (4th) or in the B position with the shift lever. At least, that's the way one of my tractors was.

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Andrew

12-17-2001 20:41:35




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 Re: Re: Re: Re: Re: Massey Harris 101 Sr. in reply to Alberta Mike, 12-14-2001 06:46:09  
Hello Mike,
Thanks for your input. I will have another look at my 102 more closely now regarding the B and twinpower.

Regards

Andrew (Australia)



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