Stabilizer Outrigger Cylinder for Case 590 & 580 Super M+ Backhoe – 177256A1

Part # 177256A1

Fits Models At A Glance:

Case Loader Backhoes:

• 590 Turbo
• 590 Super L
• 590 Super M

Case Wide Track (+) Backhoes:

• 580 Super M+ Series 2 & 3 — After Serial Number N4C304000
• 590 Super M+

Key Notes:

• Part Numbers: 177256A1, 177257A1
• Weight: 129.00 lbs (58.51 kg)
• Side Compatibility: Fits left or right-hand stabilizer (outrigger) cylinder
• Rod Diameter: 1.75 in (44.45 mm)
• Bore Diameter: 3.25 in (82.55 mm)
• Stroke Length: 41.88 in (1,063.75 mm)
• Type: Hydraulic stabilizer (outrigger) cylinder
• Application: Extends and retracts the stabilizer leg on the Case 590 and 580 Super M+ backhoe, anchoring the machine during digging operations

Common Use Case or Symptoms:
Use when the stabilizer leg is slow, drifts under load, or the cylinder is visibly leaking — a failed stabilizer cylinder reduces machine stability during backhoe operation.

Why Choose Broken Tractor:
✅ Universal Left or Right-Hand Design — one cylinder covers both sides, simplifying ordering
✅ Correct Fit for the 590 and 580 Super M+ Platform — matched to the wide-track stabilizer system on these models
✅ Fast Shipping from a U.S.-Based Team — in-stock and ready to ship from our U.S. warehouses