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M4338T

Gear shift knob (5-speed) for John Deere 420, 430, 435 and 1010

Original part (OEM)

Not checked yet

We have not yet confirmed whether the manufacturer still sells it. ✓2 Checked Oct 27, 2026.

PorkForge replacement

Not made yet

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Part facts

Original part number
M4338T✓2
Manufacturer
John Deere
System
Operator controls
Notes
Gear shift knob for five-speed John Deere 420 tractors from serial 125001 and for the 430, 435 and 1010, per one reseller. Deere's parts store still has a page for M4338T with no substitute, but it shows no stock and no dealer listing was found. A reseller example described as not cracked, broken or stripped was listed at $15.00 and was sold out.
Last reviewed
Oct 27, 2026 · record pf-jd-0005

Dimensions How to measure this part

Dimension Value Evidence
Height 1.6 in 41 mm · Listed in product details on the OEM store; not measured by PorkForge; may be a packed size Reported 2
Length 1.4 in 36 mm · Listed in product details on the OEM store; not measured by PorkForge; may be a packed size Reported 2
Weight 0.06 lb 27 g · Listed in product details on the OEM store; not measured by PorkForge; may be a packed size Reported 2

Fits these machines

Model Years Notes Evidence
John Deere 420 Not recorded — Reported 1
John Deere 430 Not recorded Seller groups the 430, 435 and 1010 (row-crop, utility and orchard) with serial 31001 and up; check against a parts catalogue. Reported 1
John Deere 435 Not recorded Seller groups the 430, 435 and 1010 (row-crop, utility and orchard) with serial 31001 and up; check against a parts catalogue. Reported 1
John Deere 1010 Not recorded Seller groups the 430, 435 and 1010 (row-crop, utility and orchard) with serial 31001 and up; check against a parts catalogue. Reported 1

Check against your machine’s serial number before ordering.

Where to find one today

We have not found one listed for sale yet.

Why it is hard to get

  • Market evidence: Listed at $15.00 by a reseller and sold out on 2026-10-27. 1
  • Market evidence: Deere's store lists M4338T (no substitute) but shows no stock; no dealer marketplace page was found for it. 2

Can this part be made again?

EligiblePhysical replacement

Shift knob, not in the brief's excluded categories. Any shift-pattern marking and the thread must be copied from an original.

Candidate materials: PETG, PLA (confirmed by test-fitting).

EligibleSTL / FreeCAD file

Can be offered as a printable file and an editable FreeCAD model once the measurements are verified.

Sources

  1. Vintage John Deere Parts: M4338T 5-speed gear shift knob aftermarket · checked Oct 27, 2026
  2. shop.deere.com product page for M4338T oem lookup · checked Oct 27, 2026
Verification checklist (5 of 8 met)
  • ✓ OEM part number verified from a cited source
  • ✓ Cited by two websites, or by an OEM or dealer source
  • ✓ At least one compatible model with a source
  • ✕ 1 kinds of fact beyond the name (dimensions); 3 needed
  • ✕ Original availability not yet checked
  • ✓ Text and title are distinct
  • ✓ No editorial hold
  • ✕ Not yet reviewed and signed off for search

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M4338T
Original: not checked yet
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