Minneapolis-Moline TSX-421 — Marvel-Schebler carburetor

Verified

Minneapolis-Moline carburetor application. Carburetor: Marvel-Schebler TSX-421. MM part # 120320. Applications: B, BFH, BG (Hercules IXB-3 engine).

Source: MolineParts.com — MM Carburetor Applications (traceable to printed MM / Marvel-Schebler / Zenith factory catalogs). Carburetor application varies by engine serial, fuel, and configuration — always confirm against your carburetor tag and factory parts catalog before ordering.

Fits these models

Application is configuration- and serial-dependent — confirm against your parts book before buying.

Minneapolis-Moline BG

Sources & Verification Notes

Status: Verified

Primary source: MolineParts.com — MM Carburetor Applications (Marvel-Schebler / Zenith / factory) tier 3

Last checked: 2026-06-06