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JIC-87598751

JIC-87598751

SK-P-UB-10-2.500x4.750 <table width="1294"><tbody><tr><td width="326">Model Num</td><td width="190">Application</td><td width="86">Cylinder</td><td width="454">Serial Num</td><td width="73">Bore</td><td width="61">Rod</td><td width="104">Code</td></tr><tr><td>621F</td><td>LOADER BUCKET (XR/LR)</td><td>87577650</td><td>-</td><td>4.75</td><td>2.5</td><td>P-UB-10</td></tr><tr><td>621F</td><td>LOADER LIFT (XT/TC)</td><td>87577650</td><td>-</td><td>4.75</td><td>2.5</td><td>P-UB-10</td></tr><tr><td>621F</td><td>LOADER LIFT (Z-BAR)</td><td>87577650</td><td>-</td><td>4.75</td><td>2.5</td><td>P-UB-10</td></tr><tr><td>621F</td><td>LOADER TILT (XR/LR)</td><td>87366695</td><td>-</td><td>5</td><td>3</td><td>P-UB-10</td></tr></tbody></table>

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Compatibility

Make

Case, CNH

Model

521G, 521G2, 621E, 621F, 621G, 621G2

Reference Diagrams

Visit our diagram page for part references to popular models

Product Description

SK-P-UB-10-2.500x4.750
Model Num Application Cylinder Serial Num Bore Rod Code
621F LOADER BUCKET (XR/LR) 87577650 - 4.75 2.5 P-UB-10
621F LOADER LIFT (XT/TC) 87577650 - 4.75 2.5 P-UB-10
621F LOADER LIFT (Z-BAR) 87577650 - 4.75 2.5 P-UB-10
621F LOADER TILT (XR/LR) 87366695 - 5 3 P-UB-10

Frequently Asked Questions

Q: What 621F loader applications does JIC-87598751 fit?
A: The JIC-87598751 fits multiple 621F applications including bucket (XR/LR), lift (XT/TC), lift (Z-BAR), and tilt (XR/LR) functions. Cylinder 87577650 is used for bucket and lift applications with 4.75 bore and 2.5 rod. Cylinder 87366695 is used for tilt with 5 bore and 3 rod. Match your specific cylinder number to confirm fitment.

Q: What are the bore and rod specifications?
A: JIC-87598751 is available in two configurations: 4.75 inch bore with 2.5 inch rod (cylinder 87577650) and 5 inch bore with 3 inch rod (cylinder 87366695). Order based on which cylinders your 621F loader contains.

Q: Can this seal kit work on other loader brands?
A: The JIC-87598751 is manufactured for 621F loaders using specific cylinder models. If you operate a different brand with identical bore and rod dimensions, physical fitment may work, but warranty and performance are not guaranteed. Contact us with your cylinder specifications.

Q: What is the expected service life of this seal kit?
A: P-UB-10 seal kits typically last 2000 to 3000 operating hours under normal loader conditions. Lifespan varies based on operating temperature, contaminant levels, and pressure cycles. High-pressure applications or extended cold storage may reduce service life.