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Hydraulic cylinder seal kits and cylinder components for Case 9040B excavators, covering boom, dipper arm, and bucket cylinders across standard reach and long reach configurations.
Fits Models At A Glance
- 9040B Series: 9040B, 9040B LR (Long Reach), 9040B Standard Reach
Key Notes
- Application: Boom, dipper arm, and bucket cylinder rebuild kits
- Coverage: Standard reach and long reach cylinder configurations
- Contents: Seals, wipers, O-rings, and backup rings for full cylinder resealing
- Service: Restore hydraulic performance and stop cylinder leaks
Why Choose Broken Tractor
- ✅ Correct seal kits matched to your cylinder
- ✅ Fast shipping from two US locations
- ✅ Knowledgeable support for Case excavator parts
Frequently Asked Questions
What is included in a Case 9040B cylinder seal kit?
Our Case 9040B seal kits include seals, wipers, O-rings, and backup rings to fully reseal a hydraulic cylinder. Broken Tractor carries kits for the boom, dipper arm, and bucket cylinders so you can address the specific cylinder that is leaking. Contents vary by kit, so match the SKU to your cylinder before ordering.
Which seal kit fits a Case 9040B Long Reach dipper cylinder?
The Dipper Cylinder Seal Kit SKU 156002A1 fits the 9040B LR (Long Reach), along with the 9040 LR and 9050. For a 9040B Standard Reach dipper arm cylinder, use SKU 160227A1 instead. Confirm your machine's reach configuration so you order the correct kit.
Do you have a bucket cylinder seal kit for a Case 9040B?
Yes, Broken Tractor offers bucket cylinder seal kits for the Case 9040B. SKU 160229A1 fits the 9040B and 9045B, while SKU 162976A1 covers the 9040B-LR. Choose the kit that matches your reach configuration to get the right seals.
Is there a difference between standard reach and long reach seal kits on the 9040B?
Yes, the 9040B is offered in Standard Reach and Long Reach (LR) configurations, and the correct seal kit depends on which you have. For example, the standard reach dipper kit is SKU 160227A1 while the long reach dipper kit is SKU 156002A1. Verify your configuration or match the part number to your cylinder before ordering.
How do I know which Case 9040B boom cylinder seal kit to order?
We carry Boom Cylinder Seal Kit SKU LZ00533, which fits the 9040B and 9045B. Fitment can depend on your serial number and cylinder, so match the part number to your cylinder or confirm with our parts team at (800) 909-7060.
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