Stabilizer Cylinder for Case 580 Super K, Super L, Super M Backhoe – 199720A1

New stabilizer (outrigger) cylinder for Case 580 Super K, 580 Super L, and 580 Super M backhoes. Universal design fits the right or left hand side.

Fits Models At A Glance:

• Case Loader Backhoes: 580 Super K (580SK), 580 Super L (580SL), 580 Super M (580SM)

Key Notes:

• Part Numbers: 199720A1, 199721A1, 110298A1, 110301A1
• Weight: 104.00 lbs (47.17 kg)
• Rod Diameter: 2 in (50.8 mm)
• Bore: 4-1/4 in (108 mm)
• Side Fitment: Fits right or left hand side — features an O-ring fitting on both sides of the tube, so one cylinder serves both positions
• Type: Stabilizer cylinder (also known as the outrigger cylinder)
• Serviceable: Cylinder can be resealed in the future using OEM seal kits
• Application: Raises and lowers the backhoe stabilizer/outrigger leg, planting the machine for digging stability; two per machine, one per side
• Fitment Note: Does not fit 580 Super M Plus (580SM+)

Common Use Case or Symptoms:
Use when a stabilizer leg drifts down, won't hold the machine level, or the cylinder is leaking — a failed outrigger cylinder compromises digging stability and safety. The universal RH/LH design simplifies ordering for either side.

Why Choose Broken Tractor:
✅ Universal Right or Left Hand Fitment — the O-ring fitting on both sides of the tube lets one cylinder serve either stabilizer position, simplifying ordering
✅ New and Resealable — brand-new cylinder that can be resealed in the future using standard OEM seal kits for long service life
✅ Fast Shipping from a U.S.-Based Team — in-stock and ready to ship from our U.S. warehouses