Main jet adjusting needle assembly for Zenith carburetor series 61 & 62, model numbers: 0-9747, 0-10441, 0-10522. Tractors: A, AV, Supers A and AV, B, BN, C, Super C. ALLIS CHALMERS: Tractors: W, WC, WD, WF, D10, D12. CASE: Tractors: S, R, VAC, 400B.

Interchange 7128,80969042, Net Weight (lbs) 0.03 Brand TISCO Make Type Model Allis Chalmers Tractor D10 Allis Chalmers Tractor D12 Allis Chalmers Tractor W Allis Chalmers Tractor WC Allis Chalmers Tractor WD Allis Chalmers Tractor WF Case Tractor 400B Case Tractor R Case Tractor S Case Tractor VAC International Harvester Tractor A International Harvester Tractor AV International Harvester Tractor B International Harvester Tractor BN International Harvester Tractor C International Harvester Tractor Super A International Harvester Tractor Super AV International Harvester Tractor Super C