| Part Number | Description | Status | |
|---|---|---|---|
| ⚠ | M899797T | LOWER UNIT ASSEMBLY Complete (55# - Variable) Marked 8M4000055 - 12 Volt SW55 Models - NOTE: See Lower Unit Assembly Section For Service Parts Breakdown | superseded |
| → | 897345T82 | ORD 879364T26 | discontinued |
Use 897345T82 — this is the current replacement.