superC engine in superA

jeff r · Jun 28, 2008

I HAVE a superA farmall 1950 model year. Did this tractor come from factory with a superC engine? ALSO does this tractor have positive ground?

El Toro · Jun 28, 2008

I think your engine is the C113 engine and it was 6 volts with positive ground when new. You can install an overbore kit that will raise the displacement to 123cid. You can do this without any machining to the block. You may be able to add a water pump too, if it doesn't have one. Is that the original engine? Look for a serial number on the block under No1 sparkplug. Should be a flat spot that's been machined that has the SN stamped into the metal and it may be covered with layers of paint. Hal

georgeky · Jun 28, 2008

Like Hal said. No, it came with a C-113 engine in it. Also was positive ground in the beginning. No telling what is in it or has been done to it by now. 58 years brings many changes.

Anonymous-0 · Jun 28, 2008

They are both probably 113 engines. But you wont know until the head is off because either one could have been renewed with overbore making 123 cuin.

Hugh MacKay · Jun 28, 2008

jeff: A 1950 Super A would have had block part number 251069 R1 from the factory. Farmall C would have also had that block. All 251069 R1 blocks had 3" bore and were C-113 engines, as they came from factory. All Super C tractors were equipped with block part number 354898 R1 from the factory. 3-1/8" bore making a C-123 engine.

Super A tractors after serial number 310300 used block number 354898 R1 from factory, but were equipped with thicker sleeves giving a 3" bore and still a C-113 engine.

An interesting side note on block number 354898 R1, it can be equipped with 3", 3-1/8" or 3-1/4" bore without any alteration to the block. Basically 3 different size sleeve and piston kits fit one block. These blocks will all interchange to fit any Farmalls A, SA, C and SC, bolt up pattern and dimencions are all the same.

El Toro · Jun 29, 2008

I was still in high school in 1950. The Korean War had just started some of my classmates joined the military. I should've graduated that year, but my class was the the first class to start the 12 year program in MD. In 1951 after my brother and I graduated my brother joined the Air Force about 3 days after we graduated. When my mom ask where my brother was, I told her he's on his way to NY for basic training for the Air Force. I told her to get use to the idea since I knew I was going to be drafted. We both could've had deferrments to stay on the farm, but decided not to stay. Looking back I we think we made the right decision. Hal

superC engine in superA

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