1939 only 9N

  1. Cast aluminum grill with horizontal slots.
  2. No freeze out plugs on block.
  3. 2-ribs on fender.
  4. Approximately first 700 tractors equipped with cast aluminum hoods.
  5. Ignition key switch on right side of dash.
  6. 2-brush generator.

1940 9N

  1. Single rib fenders.
  2. Freeze out plugs are now inside of block.
  3. Single rib fenders.
  4. Ignition key switch is now on left side of dash.
  5. 3-brush generator.
  6. Hinged battery lid introduced to replace the clip held lid (mid year).

1941 9N

  1. 3 spoke steering wheel (covered spokes) first used.
  2. Steel grill with vertical spokes.
  3. Riveted rear axle hubs replace the 'smooth' rear axle.
  4. Ignition key switch is moved to steering column.

1942 9N

    The 9N parts were being used up to build the 2N.

1942 2N

  1. 3-spoke steering wheel (w/ exposed metal spokes) first used.
  2. Grill now has slotted center bar.
  3. Hood side panels have exposed bolt to retain to front axle support (mid year).
  4. Front emblem has '2N' on lower edge of emblem.
  5. Fender mount holes in rear axle housing are no longer solid, the are opened up between upper and lower vertical hole.

1943 2N

  1. Pressurized radiator is introduced (mid year).
  2. 32" tires are no longer offered.

1944 2N

  1. Trans input shaft gear is changed to helical cut (mid year).
  2. Oval style radius rods replace the solid 'I' beam style rods (mid year).
  3. Sealed beam headlights first offered.

1945 2N

  1. Heavier rear axle housings introduced (mid year).

1946 2N

  1. Rear axle housings are improved by making them thicker again.

1947 2N

  1. Casting number and date added to engine block (where starter bolts) to rear axle housing.

JR_Roberts

 

 

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