Parts list
|
NO. |
Part Number |
Product Name |
Quantity |
|
|
707-01-16181 |
CYLINDER ASS'Y,STEERING¤ L.H. |
1 |
|
|
707-01-16191 |
CYLINDER ASS'Y,STEERING¤ R.H. |
1 |
|
|
707-13-16111 |
• CYLINDER,L.H. |
1 |
|
|
707-13-16211 |
• CYLINDER,R.H. |
1 |
|
|
707-46-11010 |
• BUSHING |
1 |
|
|
04071-00170 |
• RING,SNAP |
2 |
|
|
707-27-16071 |
• HEAD,CYLINDER |
1 |
|
|
707-52-11010 |
• BUSHING |
1 |
|
|
707-51-10640 |
• RING,BUFFER (KIT) |
1 |
|
|
707-51-10130 |
• PACKING,ROD (KIT) |
1 |
|
|
176-63-56170 |
• SEAL,DUST (KIT) |
1 |
|
|
707-56-10580 |
• SEAL,DUST |
1 |
|
|
707-75-10010 |
• RING,SNAP |
1 |
|
|
07000-15150 |
• O-RING (KIT) |
1 |
|
|
07146-05152 |
• RING,BACK-UP (KIT) |
1 |
|
|
01010-82065 |
• BOLT |
12 |
|
|
01602-22060 |
• WASHER,SPRING |
12 |
|
|
707-58-10110 |
• ROD,PISTON |
1 |
|
|
707-76-11310 |
• BUSHING |
1 |
|
|
07000-12080 |
• O-RING (KIT) |
1 |
|
|
07001-02080 |
• RING,BACK-UP (KIT) |
2 |
|
|
707-36-16210 |
• PISTON |
1 |
|
|
707-44-16180 |
• RING,PISTON (KIT) |
1 |
|
|
707-44-16080 |
• RING,PISTON |
1 |
|
|
07155-01640 |
• RING,WEAR (KIT) |
2 |
|
|
707-40-20030 |
• SPACER |
2 |
|
|
01010-31245 |
• BOLT |
6 |
|
|
|
SERVICE KIT |
|
|
|
707-99-66210 |
SERVICE KIT |
2 |
Product Description
Heavy-Duty 707-99-66210 Steering Hydraulic Cylinder Service Repair Kit for Komatsu WA800-3 Mining Wheel Loader
Regain razor-sharp articulated steering control and eliminate dangerous steering drift in your heavy mining haulage with Toparts' premium 707-99-66210 hydraulic cylinder service repair kit. Specifically precision-engineered for the massive double-acting steering cylinders fitted on Komatsu WA800-3 super-large wheel loaders, this overhaul service kit is built to withstand extreme hydraulic pressure surges, severe lateral deflection forces, and continuous exposure to harsh silica grit and acidic mine water.
The Toparts Engineering Difference: Built for 100-Ton Mining Class Articulated Stress
Ultra-class wheel loader steering cylinders operate under extraordinary physical conditions. Mounted across the central articulated hitch, they must control machine direction while absorbing continuous shockwaves transmitted from massive mining tires traversing uneven quarry terrain. Standard aftermarket seals quickly suffer from lip twist, seal roll, or thermal degradation under these dynamic loads, leading to internal fluid bypass and sloppy wheel response. At Toparts, we manufacture our Komatsu-compatible kits with explicit material upgrades:
Mining-Grade P6000 Polyurethane Matrix: Our primary dynamic rod and piston seals are molded from advanced P6000 PU, offering 40% higher tensile strength and superior extrusion resistance under intense hydraulic pressure surges compared to standard TPU.
Aggressive Environmental Mud Scraper: Features a rugged double-lip dust wiper system that actively shears off dry mud crusts, quartzite sand, and moisture films from the extending rod, protecting internal sealing lips and cylinder walls from scoring.
Zero-Drift Heavy Pressure Containment: Precision-machined PTFE step seals backed by premium NBR energizers absorb continuous shock waves during full-lock turns and heavy haulage, maintaining tight holding force and eliminating steering drift.
High Elastic Memory Static Seals: All static O-rings and backup rings are formulated to resist compression set under continuous high oil temperatures up to 120°C, ensuring leak-free performance across the cylinder gland interface.
Technical Specifications:
Brand Compatibility: Komatsu Construction & Mining
Equipment Application: Super-Large Mining Wheel Loaders
Target Machine Match: Komatsu WA800-3 / WA800-3E0 (100-Ton Class)
Seal Kit Part Number (P/N): 707-99-66210 / 7079966210
Application Component: Central Articulated Steering Hydraulic Cylinder
Material Matrix: High-Performance P6000 PU, Reinforced PTFE + Bronze, Premium NBR
Condition: 100% Brand New Industrial-Grade Aftermarket.
Tag:Komatsu WA500-3 Bucket Tilt Cylinder Seal Kits,707-99-64520 Hydraulic Cylinder Seal Kit,Komatsu 878000492 Bucket Cylinder Service seal kit
