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707-01-0E930 Komatsu PC1250-8 Bucket Cylinder | Replaces 0L550, 0J760 | SEIGO
707-01-0E930 Komatsu PC1250-8 Bucket Cylinder | Replaces 0L550, 0J760 | SEIGO
Mining-Duty Bucket Cylinder for Komatsu PC1250-8 Series.
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Compatible Part Numbers: 707-01-0E930, 707-01-0L550, 707-01-0J760.
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Applications: Available for both Backhoe and Front Shovel configurations.
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Durability: Hardened chrome rod for extreme rock digging.
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Fitment: Direct OEM Replacement.
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Warranty: 1 Year Factory Warranty.
707-01-0L540 / 707-01-0L550 /707-01-0E930 / 707-01-0J760
The PC1250 Excavator Bucket Cylinder is a premium, mining-grade hydraulic replacement designed for the Komatsu PC1250-7 and PC1250-8 series. This versatile product line is engineered to replace multiple OEM specifications, including 707-01-0E930, 707-01-0L550, and 707-01-0J760.
Whether you require a cylinder for a standard Backhoe configuration or a heavy-duty Front Shovel (Loading Shovel) application, SEIGO Machinery provides exact-fit solutions. Our cylinders are built to withstand the extreme breakout forces required in large-scale mining, ensuring consistent digging power and reduced downtime.
Technical Specifications
| Feature | Specification |
| OEM Part Numbers | 707-01-0E930 / 707-01-0L550 / 707-01-0J760 |
| Machine Compatibility | Komatsu PC1250-7, PC1250-8, PC1250SP-8 |
| Configurations | Supports both Backhoe & Front Shovel Specs |
| Position | Bucket Cylinder (Digging Actuator) |
| Operating Pressure | High Pressure (350+ Bar) Mining Spec |
| Seal Kit | NOK / Parker (High-Temp & Dust Proof) |
| Piston Rod | 42CrMo4 Induction Hardened & Chrome Plated |
| Warranty | 12 Months / 2000 Hours |
| Condition | 100% New Manufacturing |
Key Features & Mining Performance
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Versatile Part Compatibility: Our manufacturing covers the critical dimensions for 707-01-0E930 (front shovel) as well as 707-01-0L550 and 707-01-0J760 (backhoe), providing a one-stop sourcing solution for your PC1250 fleet.
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Reinforced for Rock Excavation: Given the PC1250’s role in quarrying and mining, our cylinder tubes use high-tensile ST52/E355 steel with thickened walls to prevent expansion under peak digging loads.
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Impact-Resistant Rods: The piston rods undergo deep induction hardening to HRC 55-60, offering superior resistance to rock impact and surface scoring commonly found in front shovel operations.
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Leak-Free Reliability: Equipped with top-tier NOK sealing systems designed to handle the rapid cycling and heat generation of continuous heavy loading.
Applications
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Heavy-duty quarrying and mining
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Mass excavation (Backhoe mode)
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Truck loading at the face (Front Shovel mode)
FAQ
Q1: My machine’s parts book lists 707-01-0L550. Will your 0E930 fit?
A: Yes. Parts 707-01-0L550 and 707-01-0E930 are the same cylinder — Komatsu updated the part number for production traceability. Our cylinder fits both. We include both numbers on shipping documentation.
Q2: What’s the difference between 707-01-0E930, 707-01-0L550, and 707-01-0J760?
A: All three are the same physical cylinder. The supersession chain is: 707-01-0L550 (early) → 707-01-0J760 (mid) → 707-01-0E930 (current). Dimensions, mounting, and specifications are identical across all three.
Q3: Does 707-01-0E930 fit the PC1250SP-8 Super-Production model?
A: Yes. The Super-Production variant uses the same bucket cylinder as the standard PC1250-8.
Q4: What is the expected service life?
A: In continuous mining operation (2,000-2,500 hours/year), expect 4,000-6,000 hours between seal rebuilds and 10,000+ hours to rod replacement. HVOF coating option extends rod life significantly in abrasive ore.
