Komatsu, Ripper Lift Cylinder Seal Kit, Seal Kits, Hydraulic Parts, Bulldozer Parts
Komatsu, Ripper Lift Cylinder Seal Kit, Seal Kits, Hydraulic Parts, Bulldozer Parts
Available in stock
Product Description
Part Name: Ripper Lift Cylinder Seal Kit
Part Number(s): 707-99-66660
Brand Compatibility: Komatsu
Machine Type: Bulldozer
Component: Ripper Lift Hydraulic Cylinder
Condition: Brand New
Shipping: Fast worldwide shipping with secure packaging and reliable international delivery within 2–7 business days.
The 707-99-66660 Ripper Lift Cylinder Seal Kit is manufactured to OEM specifications for the ripper lift hydraulic cylinder used on selected Komatsu D155AX-6 bulldozers. This complete service kit contains the precision sealing components required during hydraulic cylinder overhaul, restoring hydraulic sealing performance, maintaining operating pressure and preventing internal and external oil leakage. It is designed to withstand the extreme pressures, shock loads and abrasive conditions encountered in heavy ripping and earthmoving operations.
The ripper lift cylinder raises and lowers the rear ripper attachment, allowing the bulldozer to break compacted ground, rock and hard soil before grading or excavation. As the cylinder operates under high hydraulic pressure, the seals gradually wear through repeated heavy-duty cycles and contamination. Seal failure can lead to hydraulic oil leakage, reduced lifting force, ripper drift and poor control of the attachment. Replacing the complete seal kit restores cylinder performance, protects internal components from contamination and helps maintain reliable ripping productivity while reducing costly downtime.
Typical Applications
Construction • Earthmoving • Mining • Quarrying • Land Clearing • Road Construction • Site Preparation • Heavy Ripping Operations
Common Symptoms
- Hydraulic oil leaking from the ripper lift cylinder
- Ripper slowly lowers while raised
- Reduced ripper lifting force
- Slow or uneven ripper movement
- Loss of hydraulic holding pressure
- Poor attachment control during ripping
- Premature cylinder wear due to seal failure
Cross-Reference Part Numbers
OEM Part Number: 707-99-66660
Compatible Models
Bulldozers: Komatsu D155AX-6.
Fitment Note
Please verify the OEM part number, machine model, serial number and ripper lift cylinder assembly before ordering. Komatsu may use different hydraulic cylinder service kits depending on the machine serial number and equipment configuration. Contact Imara Engineering Supplies if you require assistance confirming compatibility.
Technical Specifications
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