Case Excavator Flywheel & Ring Gear

Case Excavator Flywheel & Ring Gear parts list
Image	Fits Model	Description	Details	Part #	Price	Product Details
	See Details	650K, 750K, 850D, 855D, 850K, 1150E, 1155E, 1150G, 1150H, 1550, 680L, 780C, 780D, 688, 888, 1088, 9010, 880D, 9010B, 9020, 9020B, 9030, 9030B, 9040, 9040B, 9045B, CX130, CX160, CX210, CX240, CX290, 1085B, 1085C, 1086B, 1187C, W14B, W14C, W36, 621, 62	Flywheel Ring Gear (127-Teeth)		J905427	$74.00	View Info

Flywheel ring gears for Case excavators, providing the starter engagement teeth that drive engine cranking across a wide range of crawler excavator models. Replacement ring gear J905427 restores worn or damaged teeth without requiring a full flywheel assembly.

Fits Models At A Glance

688 Series: 688, 888, 1088
9000 Series: 9010, 9010B, 9020, 9020B, 9030, 9030B, 9040, 9040B, 9045B
CX Series: CX130, CX160, CX210, CX240, CX290

Key Notes

Application: Transfers starter motor rotation to the engine flywheel for reliable cranking
Part Type: Replacement flywheel ring gear
Condition: New and used options available depending on model
Reference SKU: J905427

Why Choose Broken Tractor

✅ Wide Case excavator coverage from a single source
✅ Fast shipping from two US locations
✅ Knowledgeable staff to confirm correct fitment