Case Excavator Hydraulic Cylinders & Seal Kits

Shop reliable, USA-made hydraulic cylinder seal kits and replacement cylinders for Case excavators. Manufactured by Bulldog Hydraulics and Hercules, these kits meet OEM specifications and are built for long-lasting durability. Whether you're rebuilding boom, arm, bucket, or blade cylinders, these parts restore full hydraulic performance to your Case excavator.

Fits Models At A Glance:

• Case Mini Excavators: CX27B, CX31, CX31B, CX36, CX36B, CX75C, CX80C
• Case 880 Series: 880C, 880D
• Case 9000 Series: 9010B, 9020B, 9030B, 9040, 9040B, 9050
• Case CX130–CX190 Series: CX130, CX130B, CX130C, CX130D, CX135SR, CX140E, CX145C, CX145D, CX160, CX160C, CX160D, CX170E, CX190E
• Case CX210–CX260 Series: CX210, CX210B, CX210C, CX210D, CX220E, CX225SR, CX235C, CX240, CX240B, CX245D, CX250C, CX250D, CX260E
• Case CX290–CX380 Series: CX290, CX290B, CX300C, CX300D, CX330, CX350B, CX350C, CX350D, CX380E
• Case CX460–CX470 Series: CX460, CX470B, CX470C

Key Notes:

• Cylinder Applications: Boom, dipper arm, bucket, and blade cylinders
• Manufacturers: Bulldog Hydraulics, Hercules
• Made in USA
• Quality: Built to OEM specifications for precise fit and long-term durability

Why Choose Broken Tractor:

✅ Made in USA – Quality materials and precision manufacturing from trusted hydraulic specialists

✅ Complete Seal Kits – Each kit includes all seals needed for a full cylinder rebuild

✅ Wide Model Coverage – Seal kits and cylinders for Case mini excavators through large CX-series machines

Frequently Asked Questions

What types of hydraulic cylinder seal kits are there for Case excavators?

Broken Tractor carries seal kits for boom, dipper arm, bucket and blade cylinders on Case excavators. Each cylinder position needs its own kit, so match the kit to the specific cylinder you are rebuilding. We also offer complete replacement cylinders when a full swap makes more sense than a reseal.

What is included in a Case excavator hydraulic cylinder seal kit?

Each kit includes all the seals needed for a full rebuild of one cylinder. The kits are built to OEM specifications for a precise fit. Choose the kit for your model and cylinder position, such as boom, arm, bucket or blade.

Which Case excavator models do your hydraulic cylinder seal kits fit?

We carry seal kits and cylinders for Case mini excavators like the CX27B, CX31B, CX36B, CX75C and CX80C, the 880C and 880D, and the 9010B through 9050. Coverage also includes the CX-series from the CX130 and CX160 up through the CX210, CX240, CX290, CX350 and CX470C. Fitment can vary by model and serial number, so match your part number or confirm with our parts team before ordering.

How do I find hydraulic cylinder seal kits by size for my Case excavator?

The easiest way is to search by your Case excavator model and the cylinder position you are rebuilding, then match the part number to your existing kit or cylinder. Kits for the same machine can differ by cylinder, and some fitment changes by serial number. If you are not sure which kit you need, call (800) 909-7060 and our parts team can help you confirm it.

Who makes the Case excavator seal kits and cylinders Broken Tractor sells?

Our Case excavator seal kits and replacement cylinders are made by Bulldog Hydraulics and Hercules, both hydraulic specialists. The parts are made in the USA and built to OEM specifications for long-lasting durability. They are designed to restore full hydraulic performance when you rebuild or replace a cylinder.