Komatsu PC1250-7 mining excavator boom cylinder hydraulic service repair kit
Komatsu 707-99-78700 excavator boom cylinder seal kit packaging and part label
Mining grade PU boom cylinder oil seals and O-rings in Komatsu 707-99-78700 repair kit
707-99-78700 Hydraulic Boom Cylinder Seal Kit for Komatsu PC1250-7 Mining Excavator
Komatsu PC1250-7 mining excavator boom cylinder hydraulic service repair kit
Komatsu 707-99-78700 excavator boom cylinder seal kit packaging and part label
Mining grade PU boom cylinder oil seals and O-rings in Komatsu 707-99-78700 repair kit
707-99-78700 Hydraulic Boom Cylinder Seal Kit for Komatsu PC1250-7 Mining Excavator

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707-99-78700 Hydraulic Cylinder Seal Kit for KomatsuPC1250-7 Boom Cylinder

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$90.00 inc. VAT
-25% $120.00 $90.00 inc. VAT
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Product Description
Maintain maximum lifting capability and prevent costly hydraulic pressure loss in your ultra-class machinery with this premium Hydraulic Boom Cylinder Seal Kit, specifically engineered for the Komatsu PC1250-7 Mining Excavator.
Manufactured to meet or exceed strict OEM specifications, this heavy-duty mining-grade repair kit offers superior fluid containment, heat stability, and pressure retention under immense shock loads, effectively stopping oil leaks and cylinder drift during heavy-duty earthmoving and quarry operations.
Technical Specifications:
Brand Compatibility: Komatsu
Compatible Equipment Model: PC1250-7 Mining Excavator
Application Location: Boom Cylinder Assembly
OEM Part Number: 707-99-78700 / 7079978700
Why Choose Our Komatsu Mining Seal Kits?
Mining-Grade Elastomers: Built with top-tier Polyurethane (PU), specialty NBR rubber, and low-friction PTFE wear rings engineered to handle severe hydraulic pressure spikes and intense friction heat.
Exact OEM Fit: Precision dimensional tolerances guarantee a seamless drop-in installation, reducing field maintenance downtime and restoring full hydraulic performance.
Extreme Environment Tested: Designed to endure abrasive rock dust, continuous heavy loads, and severe working environments in open-pit mining and heavy excavation sites.
Important Fitment Note:
This seal kit is designed specifically for the hydraulic boom cylinder on Komatsu PC1250-7 mining excavators. Please verify your original cylinder part number (707-99-78700) or machine serial number prior to ordering to guarantee 100% compatibility.

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There is €4.99 charge for delivery under €50 Orders. Additional charges will be imposed by our couriers for delivery to remote area, a surcharge may be levied to cover carriage to these areas.

Your product is covered by a 12 month Warranty or more if you opted for the extended warranty. Make sure you register your product.