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Hydraulic cylinder seal kits for the Case CX27B mini excavator, covering boom, bucket, dipper, blade, and swing cylinder rebuilds on machines after serial number N5GN01293.
Fits Models At A Glance
- CX27B Series: CX27B (after Serial # N5GN01293)
Key Notes
- Application: Complete seal kits for boom, bucket, dipper, blade, and swing cylinders
- Serial Break: Fits units built after serial number N5GN01293
- Contents: Rod seals, piston seals, wipers, and O-rings for full cylinder rebuilds
- Function: Restores hydraulic sealing to eliminate cylinder drift and leaks
Why Choose Broken Tractor
- ✅ Cylinder-specific kits matched to your machine
- ✅ Fast shipping from two US locations
- ✅ Knowledgeable support for correct part fitment
Frequently Asked Questions
Which cylinder seal kits fit the Case CX27B mini excavator?
Broken Tractor carries seal kits for the boom, bucket, dipper, blade, and swing cylinders on the Case CX27B. These include the Boom Cylinder Seal Kit (SKU 72280471), Bucket Cylinder Seal Kit (SKU 72282317), Dipper Cylinder Seal Kit (SKU 72282209), Blade Cylinder Seal Kit (SKU 72282324), and Swing Cylinder Seal Kit (SKU 72280241). Each kit is matched to a specific cylinder, so choose the one for the cylinder you are rebuilding.
Do these CX27B seal kits fit all serial numbers?
These seal kits fit Case CX27B machines built after serial number N5GN01293. If your machine falls at or before that serial break, the seals may differ, so match the part number to your cylinder or confirm with the parts team before ordering. You can reach Broken Tractor at (800) 909-7060 for fitment help.
What is included in a Case CX27B cylinder seal kit?
Each Case CX27B seal kit contains rod seals, piston seals, wipers, and O-rings needed for a full cylinder rebuild. The parts are grouped by cylinder, so the boom, bucket, dipper, blade, and swing kits each include the seals specific to that cylinder.
Will a seal kit fix cylinder drift on a Case CX27B?
Yes, replacing worn seals restores hydraulic sealing and helps eliminate cylinder drift and leaks on the Case CX27B. If a cylinder slowly settles or loses position under load, the rod and piston seals are common causes. Rebuilding with the matching kit for that cylinder is the direct fix.
Should I rebuild or replace the hydraulic cylinder on a CX27B?
If the cylinder barrel and rod are still in good condition, a seal kit lets you rebuild it and restore proper sealing without replacing the whole cylinder. Broken Tractor carries cylinder-specific seal kits for the CX27B boom, bucket, dipper, blade, and swing cylinders to handle common leaks and drift.
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