Allis Chalmers D21 Tachometer — Operation Meter (New)

New tachometer/operation meter for Allis Chalmers D21 tractors. Supplied by DJS TRACTOR PARTS and offered as a top-quality unit, this meter is ideal for restoring or replacing the D21's tach.You may also like Allis Chalmers Governor 70207583 / 207583 — Fits B C CA IB RC (Magneto Ignition).