Stabilizer & Blade Cylinder Pin for Case 580SM, 590SM, 1150 Series – R26725

Dual-application pin used as the backhoe stabilizer cylinder rod-to-leg pin on Case loader backhoes, and as the dozer blade/lift cylinder mounting pin on Case 1150-series crawler dozers.

Fits Models At A Glance:

• Case Loader Backhoes: 590, 580SM, 580SM Series 2 — After Serial Number N4C304000, 580SM+ Series 2 — After Serial Number N4C307000, 580SM+ Series 3 — After Serial Number N8C508000, 580SN WT, 590SL, 590SL Series 2 — After Serial Number JJG0210575, 590SM, 590SM Series 2 — After Serial Number N4C309000, 590SM Series 3 — After Serial Number N8C508500, 590SN
• Case Crawler Dozers: 1150B, 1150C, 1150D, 1150E, 1155D, 1155E

Key Notes:

• Part Numbers: R26725, 47857124, 364848A1
• Weight: 4.20 lbs (1.91 kg)
• Outer Diameter: 1-3/4 in (44.45 mm)
• Length: 6 in (152.4 mm)
• Type: Cylinder pin — dual application
• Backhoe Application: Stabilizer cylinder rod to stabilizer (outrigger) leg pin
• Dozer Application: Dozer blade and lift cylinder mounting pin on the 1150-series crawler tilt dozer
• AKA: 580SN and 590SN models are commonly searched as 580 Super N and 590 Super N

Common Use Case or Symptoms:
Use when the stabilizer leg has play at the cylinder rod connection, the pin is worn, scored, or seized, or on 1150 dozers when the blade/lift cylinder mounting pin is worn — a worn pin allows movement at the connection, accelerating bore wear and reducing control.

Why Choose Broken Tractor:
✅ Dual-Application Pin — Backhoe and Dozer — serves as both the stabilizer cylinder-to-leg pin and the 1150-series dozer blade/lift cylinder mounting pin
✅ Correct 44.45 mm OD × 152.4 mm Length — machined to OEM dimensions for a precise fit at the cylinder connection
✅ Fast Shipping from a U.S.-Based Team — in-stock and ready to ship from our U.S. warehouses