Anonymous-0
Well-known Member
I brought one home yesterday with no serial number tag. How do you tell the difference between a 400 and a 450? Thanks!
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Janicholson
Well-known Member
Things change, so these are a guide
The original paint on a 400 was all red except the dash panel (medium dark grey). 450 white lower side panels where INTERNATIONAL is printed, and white grill.
Engine in 400 is C-264. Engine in 450 C-281
Date codes on major castings Late 53 to late 56.
450 late 56 to end of prod.
Early 400 had FH with tilt cylinder under right front of hitch. Later and 450 had a D handled draft control and no extra cylinder.
Jim
The original paint on a 400 was all red except the dash panel (medium dark grey). 450 white lower side panels where INTERNATIONAL is printed, and white grill.
Engine in 400 is C-264. Engine in 450 C-281
Date codes on major castings Late 53 to late 56.
450 late 56 to end of prod.
Early 400 had FH with tilt cylinder under right front of hitch. Later and 450 had a D handled draft control and no extra cylinder.
Jim
Too Far Gone
Member
My 1956 400 has a big gas tank.
Original 400 will have a 6 digit engine serial number. 450 engine serial number no more than 5 digits. 400 chassis has a threaded hole in the lower end of the clutch pedal with a set bolt and lock nut. 450 just has a undrilled lower end clutch pedal. With a T/A, follow the operating rod from the T/A lever to its attaching point. That small lever on a 400 has a number 359907R1.
450 has number 366352R1 on the lever.
If the tractor has the original engine the month built can be determined by its serial number.
450 has number 366352R1 on the lever.
If the tractor has the original engine the month built can be determined by its serial number.
400Dtractorman
Member
Look at your steering wheel. 400 has a whell like an M and the 450 wheel is completely covered with black plastic.
Wayne in MN
Well-known Member
My dad bought a Farmall 400 demonstrator from Thomas Brothers in Fairview, MT. It had 3 lever hydraulics and Fast-Hitch.
I remember getting the flat bottom tank changed out for the "deep" bottom tank after a year or so.
I remember getting the flat bottom tank changed out for the "deep" bottom tank after a year or so.
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