Blade Tilt Cylinder Seal Kit 707-99-66645 for Komatsu D275A-5D
Blade Tilt Cylinder Seal Kit 707-99-66645 for Komatsu D275A-5D
Available in stock
Product Description
Part Name: Blade Tilt Cylinder Seal Kit
Part Number(s): 707-99-66645
Brand Compatibility: Komatsu
Machine Type: Bulldozer
Component: Blade Tilt Hydraulic Cylinder
Condition: Brand New
Shipping: Fast worldwide shipping with secure packaging and reliable international delivery within 2–7 business days.
The 707-99-66645 Blade Tilt Cylinder Seal Kit is designed for the blade tilt hydraulic cylinder used on selected Komatsu D275A-5D bulldozers. Manufactured to OEM specifications, this complete service kit contains the seals, wear rings, backup rings and sealing components required to overhaul the blade tilt cylinder, restoring hydraulic sealing performance and preventing internal and external oil leakage during heavy dozing operations.
The blade tilt cylinder controls the angle of the dozer blade, allowing operators to cut, windrow and grade material with precision. Continuous operation under high hydraulic pressure, shock loads and abrasive working conditions causes the cylinder seals to wear over time. Worn seals can result in hydraulic oil leakage, blade drift, poor blade angle control and reduced grading accuracy. Replacing the complete seal kit restores cylinder performance, maintains hydraulic pressure and helps protect the cylinder from premature wear, ensuring reliable operation in demanding construction, mining and earthmoving environments.
Typical Applications
Construction • Earthmoving • Mining • Quarrying • Land Development • Site Preparation • Road Construction • Heavy Dozing
Common Symptoms
- Hydraulic oil leakage from the blade tilt cylinder
- Blade angle will not hold position
- Blade slowly tilts under load
- Reduced hydraulic holding pressure
- Poor grading accuracy
- Slow or uneven blade tilt movement
- Contaminated hydraulic system due to worn seals
Cross-Reference Part Numbers
OEM Part Number: 707-99-66645
Compatible Models
Bulldozers: Komatsu D275A-5D.
Fitment Note
Please confirm the OEM part number, machine model, serial number and blade tilt cylinder assembly before ordering. Komatsu may use different seal kits depending on the machine serial number, production configuration and hydraulic cylinder specification.
Technical Specifications
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