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1641 Speedex build


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#1 glgrumpy ONLINE  

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Posted May 16, 2015 - 08:12 PM

The new tractor has very small mount holes for engine. Thinking with this model name should be a 16hp engine. Briggs has way too big of base/spread to fit that mount. I have an 8hp, which might be close to fitting, but not sure. I looked at my 12 hp K engine and even tho base is smaller, not as small as this tractor has. Wonder what engine it had?? Here's serial off frame if someone can give me a year and maybe engine from code? the bolt holes are about 4" x 7-1/2" at centers.

1641 129601 M

First four are model. Thinking date in next, but not sure how to read. First time I have seen an M in the stampings.
This whole tractor has a much narrower frame than most speedex, yet it kinda Long too. I bet it took quire a space to turn it around. It has a safety seat switch, crude like many times, yet is wired in. When did they make those mandatory? Might give close year. Not sure if any other safety switch on it yet, have to explore it later. the gas tank mount is in back behind seat. Another rules change. When did that change come into effect?  The battery is under hood up front, just before grill.

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  • Speedex 1641 front.JPG

Edited by glgrumpy, May 16, 2015 - 09:25 PM.

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#2 glgrumpy ONLINE  

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Posted May 16, 2015 - 09:13 PM

I would like to find a manual for this model if anyone knows of any. I have been to the usual sites and don't find this one or a similar one. It is quite diff in many ways, so wanted to know more about just this model.  A parts page or two would be a plus.



#3 glgrumpy ONLINE  

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Posted May 16, 2015 - 09:22 PM

Was just looking at a 1832 model in a brochure here, and it has a twin cylinder in it, and front of frame had same bumper and other similar features, diff tins. NOW, wondering if the mount is for a twin?? The hood room under there is quite large and as said, Longer than other tractors I have. NOW, makes more sense that it could be for a twin, and still have that small base bolt pattern. Well, I'm putting a single in it, whatever it had before, so guess will be making small frame mods to mount those. Hmmm, might have to check hood height clearance.....??



#4 glgrumpy ONLINE  

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Posted May 17, 2015 - 07:03 PM

Just a note: Sort of found a manual.  Was for 1640 and 1640 M and others ending in 40.  Seems the M means Manual trans I guess. One place said was plastic body at one time in late 80's, built by Eagle Manufacturing (I have one of those) and later Speedex again was formed in 90's and made metal body for same tractor and is 1641M. Also had Briggs Vanguards, while others had Kohlers in them. Not sure if meant V-twin or not?  Is Vanguard also a single in 16hp?  Engine in pix, looks like single and takes up whole space in the compartment. About 93 was time for metal body ones, sure don't seem that new looking at it. Course, none of Speedex look new with their antique designs.  Glad too have it now, time to study and tear apart!!


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#5 Chiefbobber OFFLINE  

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Posted May 18, 2015 - 11:11 AM

Don't know if this helps but I know briggs had a Vanguard 14hp. I had one here last year.



#6 glgrumpy ONLINE  

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Posted May 18, 2015 - 08:25 PM

Here's some pix, took in drive. Note battery mount by headlights, think gas tank mount in back of seat, how narrow frame is, basic Speedex hitch design. Common steering gears, just narrower. Love these pin stripes, class, ha! Seat switch and front bumper

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#7 Alc ONLINE  

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Posted May 19, 2015 - 05:34 AM

It seems like a well built machine . Are those headlights a  Speedex  only  size ?



#8 glgrumpy ONLINE  

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Posted May 19, 2015 - 01:27 PM

Just called PO of tractor and he said it DID have a V-twin Vanguard and blew up. He had no parts of it anymore tho. It also had the electric pto clutch change.  Sounding more like a 93 as I found info on in forums. Hard to believe that new looking at it. Typical Speedex tech.



#9 glgrumpy ONLINE  

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Posted June 20, 2015 - 10:09 PM

Alc, here's pix of lights. Plastic lenses, look like many other brands. Those little holders are Steel, not plastic!

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#10 glgrumpy ONLINE  

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Posted June 20, 2015 - 11:21 PM

Started tearing this down today. Steering wheel being biggest block now. I found TWO pins under that boot on column and a big sleeve connector there. The whole wheel is deep dish, more modern than most Spdx, and now this one even sets up higher because of the connector. I finally got the wheel to come out with short piece of shaft on it, but can't get the coupler to turn off yet. Soaking now. Hoping it will come off! I put a pipe wrench on it to try to turn and NO GO for now. Hate to force it anymore, as gear is dis-connected and front axle off, making it harder to hold. I can't remove much of anything else till the wheel is off and metal can pass up and over the steering shaft. Just had a thought. There is another small boot still on it right at dash. The whole shaft can move quite a bit, no bushings used there. NOW, got me wondering if the hole in dash is bigger and enough to pass over the coupler? I'll have to go out and try to pull up that little boot and see how big that hole is tomorrow. Won't be my luck tho, I bet!


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#11 glgrumpy ONLINE  

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Posted June 22, 2015 - 01:16 PM

HEAT and a puller and finally Off!  Came off hard all the way. Heated it would move, cool a little, NO Move! Well it's off now and dash and tower all off. Few little things to come off and frame is clear and able to clean up and paint. Looking at Black maybe, that is what it was when new.



#12 glgrumpy ONLINE  

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Posted August 30, 2015 - 09:09 AM

Back into this some now. Have frame pix in the 1240 build posting. I now have a 12.5 hp Vanguard twin to put in it. I bought a whole wheelhorse with the engine in it and gonna take it out for this one. I was riding that around yesterday and decided to rev it up real tight, and throttle stuck!  So now, gotta see what that is about. Hope it's nothing too hard to figure.  Not sure what to do with horse yet, maybe throw in one of many big Briggs I have laying around, haven't ever seen one of those in one, heh!



#13 glgrumpy ONLINE  

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Posted September 01, 2015 - 03:08 AM

Pix of frame as rebuild continues. Some tin will worked on next.

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#14 glgrumpy ONLINE  

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Posted September 02, 2015 - 05:45 PM

Pix wheels on & center tin. Lift working good now.

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#15 glgrumpy ONLINE  

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Posted September 05, 2015 - 10:43 AM

Dropped Vanguard into frame. Just a bolt in, holes perfect! Need stock muffler and guess tins missing there also?

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