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Codger 
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Joined: 23 Dec 2020
Location: Illinois
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 Topic: Woke the 11B yesterday
Posted: 04 Mar 2024 at 8:22am |
Haven't ran the tractor at all since last fall so decided to let it warm and idle for four hours to drive out any moisture. Didn't move at all as on blocks but jumped right into both forward, and reverse gears.
Hard to believe how easy this engine starts and still sounds pretty good to my untrained ears.
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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.
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West Logging
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Joined: 31 Jul 2022
Location: new zealand
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Posted: 04 Mar 2024 at 12:56pm |
log we hauled from new zealand bush with fiat-allis 11b same as yours.
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West Logging
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Posted: 04 Mar 2024 at 1:06pm |
Need to correct the earlier post. that particular log was hauled by an allis=chalmers hd11ep. the machine i currently have is the same as yours
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HD6 Merv
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Joined: 03 Aug 2010
Location: New Zealand
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Posted: 04 Mar 2024 at 1:19pm |
West Logging, that is bloody big Rimu; any idea how many super feet ? Very impressive log for a 11B, could it actually walk with the log ? I had a uncle that logged in Ohura in the 60s and he had a picture of a rimu that was about 13000 super ft. Pulled it with his HD16DC; said she would only just walk with it on level ground, so was all winching to get it out. |
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tits tyres and tracks
they all cost you money
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West Logging
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Joined: 31 Jul 2022
Location: new zealand
Points: 52
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Posted: 04 Mar 2024 at 3:47pm |
between 8 and 9000ft haakon dahl winched all the way on flatish ground, had a d6c pushing where it could. came from mahoeniu area waitomo, taken to mill in newplymouth by an international f1800d. those were the days.
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Codger
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Joined: 23 Dec 2020
Location: Illinois
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Posted: 06 Mar 2024 at 3:14pm |
Went back out and started the tractor again as it's nice out today. Lubed up the linkages for the steering clutches and throttle and man do they work nice now. A lot of penetrant sprayed directly on and into the clevis assemblies finally worked it's way down to the pins and now everything moves easily. Formerly caked in mud, I found a grease zerk I didn't know existed on these also.
Though the tractor is on blocks, with both steering clutch handles pulled and the tractor slipped into low gear, it doesn't move even at relatively high idle. Start to ease the steering clutch, (either side) engaged, and the response is very smooth, predictable, and linear.
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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.
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Codger
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Joined: 23 Dec 2020
Location: Illinois
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Posted: 08 Mar 2024 at 6:43am |
Noticed the tractor was not charging the battery yesterday after a
cold start. I had just replaced the voltage regulator last fall
correcting the same scenario. This time however the alternator itself
appears suspect as "full fielding" it yielded no output. This is enough
reason for upgrading to a later rendition of a Delco "SI" series
alternator and do away with the original 10 "DN" and it's external
voltage regulator. Prior owner tells me the charging system hadn't
worked for him in many years but the tractor was always on a battery
maintainer and doesn't have any lighting so really wasn't a problem.
Found
a reman Delco-Remy 35SI series at a somewhat reasonable price, (24VDC,
100A) but I cannot find a diagram of physical dimensions to ensure it
will fit. I'm preferring to move to the internally regulated, self excited type alternator. Both the original alternator, and the proposed
replacement utilize the "J180" mounting setup, but the overall length of
the case is the concern as the oil cooler may be in the way.
While a 100A
alternator may be overkill in the application, I do plan to install both
light bars and spot/flood lamp LED units so the tractor can be used at
night. I foresee the electrical draw exceeding the original 20A rating
of the charging system. The wiring is really showing it's age
also so most will be wholesale replaced. At least 35 years of outdoor
exposure has taken it's toll.
Edited by Codger - 11 Mar 2024 at 8:31am
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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.
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West Logging
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Joined: 31 Jul 2022
Location: new zealand
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Posted: 08 Mar 2024 at 8:39pm |
Have been down the same path as yourself with my FA 11B. Just to try and compare apples with apples, my serial number is 25L-18802. engine number is 11-24075. I brought a new Delco Remy alternator with the internal regulator; this gets rid of all the wiring. the one i fitted was a 70amp, (led lights usually don't require a lot of current). Delco Remy part number is 10459110, (21SI this number is important if part number does not work for you). The whole set up bolted straight on no problem. My only comment would be to excite alternator to begin to charge requires some Rev's. Once it's tripped in it will charge at idle. Hope that Helps Allan
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Codger
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Joined: 23 Dec 2020
Location: Illinois
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Posted: 08 Mar 2024 at 9:22pm |
Hi Allan, I think my tractor serial is 25L 19108 from memory and I know it is a 1975 build. I may go with either the 20SI, or 21SI unit if this 35SI will not fit. It is mine for shipping if I can use it, but before doing this if I can ascertain dimensions needed, I'll know.
How is parts availability for your tractor there? Not much available here new but that's not been a problem for me yet.
Edited by Codger - 11 Mar 2024 at 8:32am
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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.
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Codger
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Joined: 23 Dec 2020
Location: Illinois
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Posted: 09 Mar 2024 at 8:03am |
I received an engineering diagram from the vendor in the overnight hours and a 35SI series will fit the space so will have the one shipped.
The 35SI series can utilize voltage sensing which is a nice feature keeping voltage regulation very linear at the batteries which tend to have longer service life when this is used.
Thanks,
Edited by Codger - 11 Mar 2024 at 8:33am
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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.
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West Logging
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Location: new zealand
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Posted: 09 Mar 2024 at 1:36pm |
Parts have not really been a problem to date but who knows what you will need next. the aussie supplier phil hunt has been ok for some stuff but it is expensive to obtain. had to rebuild the power shift speed control the seal ring that clips together was going to be really expensive so used the old one local machinist remanufactured the rest.also had to get corner bits for the angle blade manufactured. everything else is in mint condition as i only do about 100hrs a year hoping it will see me out
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Codger
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Location: Illinois
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Posted: 09 Mar 2024 at 3:04pm |
My speed control selector seeps a bit and not really a leak but shifts crisp and fine. Got excessive sloppiness in the front idler to track frames brackets so going to build those up if needed. All cutting edge bits were new with undercarriage and has about 1500hrs in a non production atmosphere since new.
Going to paint strip mine near complete, straighten up a bowed in right fender, (minor) and left headlamp guard, then repaint but badging back to Allis-Chalmers HD-11 Series B.
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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.
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Codger
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Joined: 23 Dec 2020
Location: Illinois
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Posted: 10 Mar 2024 at 8:04am |
I've not had my speed control valve apart yet but plan to address this
seepage issue. Never have seen anything mentioned about a seal that
clips together. From this photo could you please identify the seal? Possibly #12 shown:
I'm kinda attempting to get the "ducks in a row" before taking anything apart and this valve looks a simple type affair.
Edited by Codger - 11 Mar 2024 at 8:27am
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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.
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Codger
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Location: Illinois
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Posted: 13 Mar 2024 at 7:21am |
I fit the 35SI alternator onto the engine but not going to use
it. I would either need to change belts, or modify the alternator mounting as
to allow for proper belt tension. While there is physical room, the
alternator case is almost touching the exhaust manifold at cylinder #1
due to length of the housing. The heat would make for short life of the
rectifiers in the back of the alternator.
I
did order a new Delco 28SI series with the remote sense terminal as I
know a couple of parties with this series and they work well. These have
dual fans and should run much cooler than even the original. Though was
hoping for a brushless alternator, I couldn't find one to fit the
criteria, (remote sense) readily available, so opted for this 28SI
series.
Hopefully get this one either today or tomorrow for installation before the weekend.
Soaked down all the fan blade rotating points with penetrant to get them freed back up. Prior owner never knew this tractor has a "Huber" reversing fan installed. He tells me it sure would have been used in the summer as the airflow though the operator station can be "toasty" at times. The blades are frozen in place, but I'll get them moving again.
Scheduled the radiator into the shop for an overall cleaning and checkover as prior owner and neighbor soldered a tube closed several years ago when a tree branch, (twig) made it through one of the grille perforations causing a leak. I want to change coolant and hoses so a good time to do this. No current coolant leaks and I'd like to ensure the core integrity.
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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.
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Codger
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Joined: 23 Dec 2020
Location: Illinois
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Posted: 15 Mar 2024 at 7:34am |
Received the new Delco-Remy 28SI alternator yesterday and it's a victim of the shipping gorillas so refused the package. Was kind of surprised the poor thing was still in the box it was beaten up so badly. I told the local postmaster I'd purchase a "rack" of bananas to send back with the alternator which garnered a look of disbelief as she held the evidence which included a letter of apology from the postal service.
Vendor shipped out a new one yesterday but I won't see it till Monday now. They too were surprised as they are packed well.
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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.
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Codger
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Joined: 23 Dec 2020
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Posted: 16 Mar 2024 at 7:21am |
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I was yapping with a guy yesterday I worked with at the Springfield plant and he referred me to another gent that had some parts fitting my tractor. He actually had a speed control valve that was originally for an HD-11EP, (same as mine) and didn't mind taking it apart to measure the seal bore that is leaking. He had the gaskets needed on hand and gave the dimensions for the seal which an online search readily sourced for under $10.00. He's going to drop the gaskets into the mail so should have them mid week at the latest. Seal is ordered so unless the shaft is galled or something strange this problem should be taken care of easily.
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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.
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West Logging
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Joined: 31 Jul 2022
Location: new zealand
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Posted: 19 Mar 2024 at 8:56pm |
have been away from computer for a while. the ring that clips together is item number 16. if you find one let us know, was expensive from Aussie if i remember. I have a lot of used parts for my machine so i rebuilt another valve for a spare and that ring was the only thing i did not replace.
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Codger
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Posted: 20 Mar 2024 at 3:21am |
 West Logging wrote:
have been away from computer for a while. the ring that clips together is item number 16. if you find one let us know, was expensive from Aussie if i remember.I have a lot of used parts for my machine so i rebuilt another valve for a spare and that ring was the only thing i did not replace.
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I'll do some research for spares for both of us. While my valve only leaks from that front penetration seal, I'd like to have parts easily available to rebuild should the need arise.
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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.
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Codger
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Posted: 20 Mar 2024 at 8:27am |
That seal, #16: 70629488 is still available through Minnpar for order, (though no price or availability shown) and I've sent emails off to a couple of private contacts asking for stock.
I'll let you know if anything bears fruit.
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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.
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West Logging
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Posted: 20 Mar 2024 at 1:46pm |
thought i replied to last post but seems to have got lost in the cloud. when i was last trying for parts for the valve Stephens Equipment had a used one for sale but the freight was more expensive than the repairs. Work required to fix leak, build up wear on shaft, polish brass wiper and plate, replace front seal and backup gasket, (with seal and rubber backup), had no problem since
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Codger
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Posted: 20 Mar 2024 at 2:27pm |
Sounds like your valve was leaking on the clutch apply pressure side where mine is the clutch and transmission lubrication pressure side of the valve which is two different supplies. I assume you had to build up a wear ridge or groove in the shaft from many iterations of operation? Glad you had success and sounds about the only really good way to do it.
I was rather gifted having an uncle who was a skilled machinist and relied upon the thinker rather than a computer to figure things out. Where the "gift" came from is he was willing to teach anything I wanted to know. Only guy I knew that had a copy of "Machinery's Handbook" in every vehicle for ready access. Guess I'm kinda like him as have three copies myself.....
Spoke with MinnPar this morning via email and that seal pack is not one they normally stock. They are looking for one however and I've not heard back from other conveyances as of yet. I will keep this updated to help. I've never had one of these apparatus' apart so do not know exactly what they look like, but always inquisitive in nature.
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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.
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West Logging
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Posted: 20 Mar 2024 at 4:06pm |
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appreciate the information
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Codger
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Posted: 21 Mar 2024 at 7:58am |
One of my contacts from many years past has a seal pack for my tractor if needed. Having it sent my way to ascertain whether it can be duplicated easily as being new there will be no deformation to account for.
On another note I've had dies manufactured to injection mould the neoprene inner, and outer sealing boots for the 11B series. These appear to fit quite well stretched over new cages. The outers are NLA so moved on with this project to both help keep a couple of guys employed, and hopefully help a few out along the way. I have a few $$$ in these but no plans to sell them at all other than maybe cost. Mine don't leak but probably will at some point and I've several friends in the respective fields to bring the idea forth. Probably do other small parts too if warranted.
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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.
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Codger
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Posted: 21 Mar 2024 at 3:10pm |
Damned dumb asses. Second 28SI alternator showed up damaged and in fact broken today so shipment is refused. USPS has been the carrier both times. Supplier doesn't have another on hand so going to be issued a refund. What a frustrating ordeal.
Called a local rebuilder and they are going to look into getting me a 23SI series which is brushless by tomorrow. If not able they have a reman 28SI on the shelf Both have the "remote sense" terminal and will work in the application.
Gotta love e-comerce these days; especially with the postal service involved.
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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.
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Codger
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Posted: 25 Mar 2024 at 11:13am |
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That seal kit is NLA through MinnPar either. She checked all over and the stock is depleted and no one else they've found producing it any longer.
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A career built on repairing and improving engineering design deficiencies, shortcomings, and failures over 50 years now.
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