1927 Cat exhaust

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We had a 1927± Cat tractor and tow behind grader on the front lawn at work for display. it's been there 30+ years, now all of a sudden a few guys voluntered to rebuild it to running condition, yeah right. I got asked if I'd rebuild the heated manifold as its got full of water over the years, split and rusted to pieces. Me, being the dumbass that I am said I would.26 hours later it's done.1: the diverter valve that channels the exhaust either thru the manifold to heat it or straight out2: the exhaust tacked to a piece of 1 x 4 flat to keep it straight and the begening of the new intake3: same. different shot4: comp, this is where the carb attaches5: this is the exhaust inlet for the heater, the intake pipe is inside the outer heated pipecontinued..... Attached Images
Reply:OK - now THAT is just too cool!Any chance of some pics of the machine anytime soon?MM200 w/Spoolmatic 1Syncrowave 180SDBobcat 225G Plus - LP/NGMUTT Suitcase WirefeederWC-1S/Spoolmatic 1HF-251D-1PakMaster 100XL '68 Red Face Code #6633 projectStar Jet 21-110Save Second Base!
Reply:more....1 and 2 are the origonal, #3 just an oddball shot In #4 that piece of pipe standing up the the left is the heated pipe that bolts up the the manifold that the carb bolts to.#5 is where the exhaust pipe comes up thru the hoot, it should be turned up so the pipe screws in vertical....mike Attached Images
Reply:I'm not quite sure about what I'm looking at, but does the diverter keep the carb from icing during warmup?"Any day above ground is a good day"http://www.farmersamm.com/
Reply:A 1927 Cat bulldozer probably had a duel fuel system where the diesel actually cranked on gas and used spark plug and a lever was thrown to change over the fuel and shut off the ignition.  Or I can't remember the year they made a switch to pony motors, which shared the engine sump, waterjacket, and possibly exhaust.  I don't remember.Esab Migmaster 250Lincoln SA 200Lincoln Ranger 8Smith Oxy Fuel setupEverlast PowerPlasma 80Everlast Power iMIG 160Everlast Power iMIG 205 Everlast Power iMIG 140EEverlast PowerARC 300Everlast PowerARC 140STEverlast PowerTIG 255EXT
Reply:Oops!  Didn't see the "continued..."More too cool.MM200 w/Spoolmatic 1Syncrowave 180SDBobcat 225G Plus - LP/NGMUTT Suitcase WirefeederWC-1S/Spoolmatic 1HF-251D-1PakMaster 100XL '68 Red Face Code #6633 projectStar Jet 21-110Save Second Base!
Reply:Any chance of some pics of the machine anytime soon?
Reply:Mrmikey! HA HA!I think I own the same "yard ornament" tractor.I poured some oil down the exhaust a few years ago in case anyone gets any big ideas.I've been beating back carburetor and mag pilferers for years!FWIW It's got to be gasoline. I can't imagine a need for exhaust heating of the intake on a diesel.I think the first production Cat diesel tractor was about a ‘33.I think the gas start, switch to diesel was an IH specialty. Cat liked the "crank it all morning" pony. Mrmikey, that's a great fix, thanks for the detailed post.
Reply:I poured some oil down the exhaust a few years ago in case anyone gets any big ideas.
Reply:My dad had 2 or 3 D7 3t's.Those ponies were great, but they weren't horses. Most of them would vibrate loose.  And loud.  One had a carburetor missing when he bought it.  You meter the fuel with a petcock by hand.  It blew me off the track one time. I thought something went through my ear drum because it hurt so bad. I have had problems in that ear since.  After that,  my dad found out about a delco conversion kit that would replace the motor.  You had to remove the pony and put plates over all the openings.  The starter cranked fine.Esab Migmaster 250Lincoln SA 200Lincoln Ranger 8Smith Oxy Fuel setupEverlast PowerPlasma 80Everlast Power iMIG 160Everlast Power iMIG 205 Everlast Power iMIG 140EEverlast PowerARC 300Everlast PowerARC 140STEverlast PowerTIG 255EXT
Reply:Sorry....."not knowing what I'm lookin' at".  Not photography, just lack of knowledge about the motor you're working on.The changeover from gas to diesel on road tractors(semi's) wasn't too long after the years the tractor you're working on was built I think.  I might be wrong, but I think Perkins was one of the earliest entries.The exchanger, and related sleeving looks seamless, like it came from the factory.  That's welding!!  Makin' somethin' from nothin', in the true sense"Any day above ground is a good day"http://www.farmersamm.com/
Reply:Wow nice job.  I know what horrible shape they can be in before ya takled that.Hey denrep, yours got the brass carb?Last edited by Mack; 12-13-2008 at 04:20 AM.Mack
Reply:Been there, done that.  Said yes to a project I wish I was 2 states away from, that is.  You've done a nice job with that project.  I do welding for a guy who restores antique fire trucks.  Some of the nicest cast iron I've welded over the years comes from vintage Mack manifolds.  Today's cast iron stuff is junk, too many sand deposits within some of the castings.BTW, the best cast rod I've ever used is All-State 4-60.  Eutectic or Cronatron stuff can't even come close.  The Cronatron 211 isn't bad, but still not as good as the 4-60.  Tried to order another 5 lb tube from my LWS.  Told me I had to order a minimum of 40 lbs.  I use only 3/32 and 40 lbs  would be here through my next 2 or 3 lives.Last edited by paweldor; 12-13-2008 at 06:21 AM.
Reply:Some of the nicest cast iron I've welded over the years comes from vintage Mack manifolds.
Reply:Some more pics, be thankful I only posted this many. the guy taking pics has over 300 on our net drive.1: Where is was as a lawn ornament2: The grader that was towed behind it, not supposed to be the origonal, it's believed it's at another base3: After it was moved off the lawn in prep for moving into the shop4: Heavy little sob5: The manifold theat got me started into this, the carb is out of site just below that small pipe sticking out of the vertical pipe. You can see how the water ended up where it did once the vertical stack rusted off. The diverter valve is at the top of the manifold held on with the teo large brass nuts you can see ino the broken flanges that I had to make and weld to the valve.......Continued.... Attached Images
Reply:.......6: Inside the reclaim shop7: The head, nasty looking. Not too bad after they re-did it, ground valves, glass beaded and hot tanked8: The crank, really nasty looking9: The cam shaft and the exhaust/intake manifold. the oily camshaft is the origonal. the actual cam lobe aren't too bad but the oil drive gear is worn as well as the journal. The clean looking cam believe it or not is brand new...but. It had been outside for decades and the cams are rusted, real bad so it's a toss up which way they decide to go. The only good thing is the lobes are piited mostly on the trailing edge not the leading, still, it's in hard shape. Three options, build up the gear on the rusted shaft, cut the journal off the good one and sweat it onto the origonal or cut down the origonal and bush the block.10: Odd shot, me actually working, should frame that shot :-)---Two more shots continued.... Attached Images
Reply:.....11: What the hell did I get myself into :-)12: Rad tank, kinda cool the way the word Caterpillar is writtenThey 'ya go.Next task I gues is they're talking about trying to get the tracks freeded up.Bit more info, it is indeed a 1927 Cat crawler, 25HP at the crank....Mike Attached Images
Reply:Originally Posted by MackWow nice job.  I know what horrible shape they can be in before ya takled that.Hey denrep, yours got the brass carb?
Reply:Great repair work! It looks more like original castings, than fabricated parts.A 1927 Cat bulldozer probably had a duel fuel system where the diesel actually cranked on gas and used spark plug and a lever was thrown to change over the fuel and shut off the ignition. Or I can't remember the year they made a switch to pony motors, which shared the engine sump, waterjacket, and possibly exhaust. I don't remember.
Reply:Don't want to trample Mrmikey's thread but with his approval I can post up a couple pics
Reply:Here's the carb:Attachment 26392I'm guessing it's probably iron.The dog seems ready for the cold:Attachment 26393But the operator showed up not dressed for work...Attachment 26394Again! Last edited by denrep; 02-25-2009 at 01:09 AM.
Reply:i thought that first pic looked familiar,   then i see your from NS too.   nice old tractors.   we've got a couple oldies,  but not that old,   '45, '52, '56.  we've also got an old road grader, that we still use for our roads.  but ours was horse powered.  my great grandfather's team used to pull them.any chance you know a George Bruce ?  he used to work for DOT up that wayBill BerryKeith Berry & Son Ltd.machine work, and weldingBear River Vollunteer FD
Reply:Originally Posted by theonlybull...he used to work for DOT up that way
Reply:Sorry Denrep, I'm back now; just stepped outside to take a cup of coffee to the signalman with the lantern, but a brown dog came out of nowhere, jumped up, and drank it before I found the fellow under the snow.I knew of an old 'grader similar to that; I may still have some slides of it, too. IIRC, it was a "Gallion", or something similar. I think the name plates were Aluminum and sat on the gearboxes for the large handwheels. Also think the handwheels each raised on side of the blade.
Reply:Denrep, you`ve got your work cut out for you too I believe by the looks of that. You plan on rebuilding it.any chance you know a George Bruce ? he used to work for DOT up that wayThis is really interesting Mikey, thanks for the pics! keep 'em comin
Reply:Originally Posted by mrmikeyDenrep, you`ve got your work cut out for you too I believe by the looks of that. You plan on rebuilding it...
Reply:wonder if running a needle scaler over your steel-fabed manifold might give it more of the cast-look you're after?
Reply:Originally Posted by mrmikeyDenrep, you`ve got your work cut out for you too I believe by the looks of that. You plan on rebuilding it.Sure do.He was into old equipment as well I think. Never talked to him a whole bunch as he was a road mechanic in an outside shed.....Mike