The "knee knocker" was not one part, but a "Rube Goldberg" mechanism in which the clutch handle was attached to the plow by rope, pulleys, springs and chains (kind of like the old mousetrap game,) so when the plow hit an immovable object (rock, stump etc) then the rope would disengage the clutch before damage was done to the plow/tractor. Trouble was... one never anticipated when the durn thing would trip so the clutch lever always slammed into one's right knee. I've not seen a 44 with one still attached. Everyone threw them away. There is a parts picture in the online JD catalogue on page 51. If you still have the pulley on the hitch then you are only missing 25 pieces. Maybe 26 with the rope.
You state the plow has shins, so it must have the 44 HS NC bottoms. The final run of 44H were supplied with this bottom and in 1958 JD came out with a new line of plows using this bottom renamed HS434NC which utilized a trip standard, making the knee knocker obsolete. From 1945-1957 was the run span of 44 and 44H plows and the earlier ones came with resharpenable blacksmith-type shares and a moldboard with no shin. I have my dad's 44H with these shares and another with the HS bottoms. Some folks retro-fitted their 44 to the HS bottoms. Mine uses the HS434NC parts, sometimes referred to as 314 bottoms.
When was yours made? None were numbered. Nothing changed except the cushion mechanism in the plows tongue hitch. Google John Deere Parts Catalogue and type in 44 under "model" in the upper left corner of the site. Then choose 44 series moldboard plow. Then, when the PDF loads,select H and compare your hitch to the ones in the PDF file. They have some serial # breaks. My old one has the cushion hitch used until 1949, and my newer one has the cushion hitch used after 1949. Mine is a really good smooth plow and can be levelled to do anything I want from starting a headland to levelling a dead furrow. Adjust the back plow with the cylinder and the front plow with the lever.
The tail "wheel" is not real a wheel at all, but a "rolling" landside. When adjusted on level concrete it should be about a half inch off of the floor and in use should not quite touch the furrow wall.
Have fun... Nothing compares to breaking land with a B and a 44H. Makes the traffic stop and the neighbors come watch.
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Today's Featured Article - Sunday Drives - by Cowboy. Summer was finally upon us here in Northern Maine. We have two types of industry up here, one being "Forestry" (Wood Products) and the other "Farming" (Potatoes). There is no shortage of farm tractors and equipment around here! I have been restoring old Farm Tractors for the past 6 years, and have found it easier and less expensive to hit all the auctions and purchase whole tractors for parts needed. My wife who works at a local school, and only has weekends and summers off, while on t
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