Ferguson TO-20 6 Volt to 12 Volt Conversion 

TE20 USES CONTINENTAL Z120 ENGINE LUCAS ELECTRICS AND DIFFERENT BRAKE COMPANY AND TRANNY CASE IS ALUMINUM.ALSO STIFFENING RODS FROM TRANNY TO FRONT OF TRACTOR BECAUSE OF ALUMINUM TRANNY CASE. 19 IN FRONT WHEELS ON TE20 AND 16 WHEELS ON TO20. TE20 GIRLING BRAKES AND TO20 BENDIX BRAKES. TE20 LUCAS DISTRIBUTOR AND TO20 DELCO DISTRIBUTOR. TO20 TWIST LOCK METAL GAS CAP TE20 SCREW ON BRASS GAS CAP. TE20 HAS OIL FILLED FRONT WHEEL BEARINGS AND TO20 HAS GREASED FRONT WHEEL BEARINGS. TO20 TWO BOLT STARTER SAFETY SWITCH. TE20 FOUR BOLT STARTER SAFETY SWITCH. TE20 LUCAS DISTRIBUTOR POINTS CAN BE EARLY TYPE OR LATER TYPE. I MAY HAVE MISSED SOMETHING BUT THAT SHOULD HELP PEOPLE WHO HAVE EITHER ONE OF THESE TRACTORS. I HAVE BOTH. I THINK EACH HAS ITS OWN STARTER AND THEY WON'T INTERCHANGE UNLESS YOU CHANGE THE FLYWHEEL I DO BELIEVE. OF COURSE EVERYTHING ON THE TE20 COSTS MORE I HAVE FOUND THAT IS DIFFERENT. BOTH ARE GREAT TRACTORS COMPARED TO THE FORD N SERIES TRACTORS WHICH USE THE INEFFICIENT FLAT HEAD ENGINES.I AM NOT PREJUDICED JUST NOT FOUND A GOOD DEAL ON A FORD YET THAT NEEDS TLC.I ALSO OWN A TO30 THAT IS CURRENTLY GETTING THE ONCE OVER BEFORE IT IS PUT INTO MY FLEET FOR SERVICE.

I have TO20-399. Do you know what year that would be?

@@johnmcbride7991 TO-20 serial numbers for 1948 are #1 - 1807. So your serial number #399 would indicate an early 1948 Ferguson TO-20. Please use good cooling system maintenance if your TO-20 has its original Continental Z120 engine so it does not overheat. You do not want cracks in the top webs between the cylinders - not so bad. But if you notice coolant in the oil then you have to worry about cracks at the lower ends which go through the crankshaft journals - very bad! Wet cylinders like in the Z120 engine are still used in diesel and industrial engines.

I know, both me and my dad where scratching our heads trying to figure out the instructions!

I assume the TE tractors were made in Coventry, England, UK and the TO tractors were made in Detroit, Michigan, USA. Does the TEA stand for petrol engine and TED stand for diesel engine?

@@ibsoarin I think the 'A' was the designation for the Motor manufacture. The TEA used a power plant from the Standard Motor Company. There was a TE 20 and a TEB 20, both were petrol engines however unlike the TEA20 they used Continental Z engines.

@@johnwalker5938 I found a lot of information on Queensland Tractor Spares website: www.queenslandtractorspares.com.au The TE20-Serial-Numbers.pdf file had all of the information I was looking for - queenslandtractorspares.com.au/wp-content/uploads/2019/10/TE20-Serial-Numbers.pdf As you stated TE20 is a Ferguson tractor with Continental Z120 petrol engine, TEB20 is a Ferguson tractor with Continental Z120 petrol engine - Narrow (although I do not know what Narrow means). TEA20 is a Ferguson tractor with Standard petrol engine. TED20 is a Ferguson tractor with Standard Tractor Vaporising Oil (TVO) engine. I assume TVO is similar to kerosene. TEF20 is a Ferguson tractor with Standard diesel engine. I had no idea of the variety of engines provided for Ferguson TE20 series tractors! Way to go Harry Ferguson!

+Gary Brown If I recall correctly, we used the belt that came with the tractor, anyone's guess though as to what belt was on it.

Not without looking at it!

I know we had the same thing when we first wired it, it would not shut off. Don't remember anymore what we changed, it was something with the ignition and key.

Sorry I do not

Iain Robson There are actually quite common, at least in the states anyway.

Yes I can remember seeing them as a kid. I was about 10 to 15 years old the last time I saw any but the dealership I still see some of them to day

Bill Leaman Yes, really cool little tractor to.

+Jason Forbis If I recall, it was already a negative ground, so we didn't have to change anything.

Basically a wire from the battery to the switch, then switch to the solenoid. Also heavy wire from battery to solenoid to starter.

Yes, we did!

12v is a better system and you should not have a problem with the starter as long as you are careful with it.

@@radozeman Thanks, i will look into it when some maintenance is needed!

I USED A CHROME PLATED CHEVY V8 ALTERNATOR BRACKET FROM THE AUTO PARTS STORE. YOU HAVE TO GRIND A LITTLE BIT OFF THE BRACKET TO CLEAR THE GOVERNOR LINKAGE AND IT WORKS GREAT. www.ebay.com/itm/CHROME-UPPER-ALTERNATOR-BRACKET-ARM-FOR-CHEVY-SMALL-BLOCK-WITH-SHORT-WATER-PUMP/122325504777?hash=item1c7b2b1309:g:mckAAOSw2KRbmUXN

+Jim Buford The alternator came with the conversion kit. It charges at idle, just not much.

Check ran a single wire alternator in the 70s and 80s, put out about 60 amps. They were a good unit.

Darn spell check, should be chev.

I don't recall if we changed that any more.

On a Delco-Remy alternator the solid state regulator is built in to the case of the alternator.

I believe so yes.

+anthony preston No regulator, there should be one in the alternator for charging the battery, but nothing on the tractor.

There should be a regulator mounted on the firewall under the battery. EDIT: you said the original 6 V generator had already been replaced with a 6 V alternator. Whoever did that probably removed the old regulator and switched from positive to negative ground.

On the starter switch, starter goes to one side then the battery goes to other side?

Yes grounded to the frame.

Because it is hard to start the tractor on a 6 volt system.

Well until it goes bad, it'll work, just need to be careful with it being on 12v!

kylewil12plays I believe Ferguson copied Ford, and you are right Ford and Ferguson are very similar.

+RDAllen copied from Yesterday's tractors About Ferguson TractorsHarry Ferguson, born in 1884, started experimenting with tractors and plows in his early years. Harry is an important person in tractor history, being the inventor of the 3-point hitch. It was dubbed the "Ferguson System". After meeting with Henry Ford in 1938, over a handshake it was agreed that the 3-point hitch system would be installed on the Ford tractors being produced at that time (Ford 9N from 1939-1942 and the 2N from 1942-1947). These tractors had the "Ferguson System" insignia on them and Harry Ferguson received a share of the profits.In 1947 Henry Ford's Grandson officially terminated this "handshake agreement". The Ford 8N tractors that were being produced around this time no longer carried the "Ferguson System" insignia. Ferguson sued the Ford Motor Co. and eventually won a settlement.In what some say is retaliation, Harry Ferguson began producing his own line of tractors, beginning with the TO-20 in 1948. These tractors looked suprisingly similar to the Ford 9N and 2N and sported the 3-point hitch.

No, it's the other way around. The 9N / 2N was designed by Ferguson and built by Ford in the US. The TE20 / TO20 was its direct successor and was built by Standard Motor co. in the UK, with some overlap with US production of the older models. The TO20 was built for export to the US and equipped with a Continental engine, while the TE20 was built for the UK and European market and had a range of Standard engines (small-bore / large-bore gasoline, diesel, kerosene, vaporizing oil). Ford broke the agreement with Ferguson and started building the Ford 8N, which infringed on numerous Ferguson patents, and ended up paying millions of dollars to Ferguson in an out-of-court settlement.

Right exactly, also make sure starter fully winds down before engaging again.

Thank you. Was having panic attack about this. My old one just gave up. 6v stamped on it but using 12v for years.....1948 model btw.

Yes, we did! Just need to be careful with the starter!