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Komatsu PC308US-3E0 / PC308USLC-3E0 Boom Hydraulic Cylinder | PN:707-01-0H930 | Premium Aftermarket Replacement
1. Basic Product Info
High-grade aftermarket boom cylinder OEM No.707-01-0H930, direct replacement for Komatsu PC308US-3E0 & PC308USLC-3E0 short tail swing excavator, controls boom lifting/lowering for tight-space construction, urban trenching and narrow-site loading work. Fully produced per original OEM blueprint with identical mounting hole spacing, pin dimension and oil port layout for direct bolt-on installation without machining modification.
| Item |
Spec |
| Product Name |
Hydraulic Boom Cylinder |
| Fit Machine |
PC308US-3E0, PC308USLC-3E0 |
| OEM Part No. |
707-01-0H930 |
| Product Grade |
Brand New Premium Aftermarket |
| Warranty |
12 months against manufacturing defects |
| MOQ |
1 unit available from stock |
| Certification |
ISO9001 QC certified |
2. Core Technical Parameter
| Parameter |
Standard Data |
| Bore Diameter |
140mm |
| Piston Rod Diameter |
100mm |
| Rated Working Pressure |
31.4MPa |
| Factory Hydraulic Test Pressure |
47.1MPa(1.5×working pressure) |
| Barrel Material |
ST52 seamless alloy steel, precision inner honing |
| Piston Rod |
Medium carbon steel with 28~35μm hard chrome plating, HRC68-70 anti-wear |
| Seal Set |
Imported composite PU+NBR seals, high temp & anti-aging |
| Working Temperature |
-25℃~+85℃ |
| Design Service Life |
≥8000 working hours |
| Mounting Type |
Double lug with quenched wear-resistant copper bushings |
3. Product Advantages
- Full OEM interchange: Same overall size as original 707-01-0H930, compatible with serial No.30001-up PC308USLC-3E0 machines, plug and play.
- Compact heavy-duty design: Specially optimized for short-radius US-series excavator narrow working condition, anti-bending under frequent bump and heavy digging load.
- Strict full inspection: Every finished cylinder passes air tightness and full-pressure leakage test before warehouse delivery to eliminate inner & outer oil leak risk.
- Cost-effective choice: Same working performance as genuine Komatsu spare part while saving 40%~55% purchase cost versus OEM original parts.
- Flexible delivery: In-stock items ship within 3 working days; air freight 3-7 days, sea shipment 30~38 days optional.
4. Supplier Profile
Our factory specializes in aftermarket Komatsu US short-tail excavator hydraulic cylinders for over 12 years, complete boom/arm/bucket cylinder range for PC308US-3E0 series, goods widely exported to Africa, Southeast Asia, Middle East construction spare parts wholesalers.
5. Differentiated FAQ
Q1: Can this boom cylinder install on regular long-track PC300LC-3 model?
A: Not available. 707-01-0H930 is exclusive for short-swing PC308US-3E0 series; boom installation distance and overall length differ greatly from standard PC300LC-3.
Q2: Does this cylinder come with matching original-spec seal kit?
A: Pre-installed full set seals inside cylinder; matched spare repair seal kit PN:707-99-59320 can be supplied separately at discounted price.
Q3: How do you protect cylinder against rust during long sea transportation?
A: Inner cavity anti-rust oil filling + whole cylinder anti-rust grease coating + waterproof plastic wrap + thick solid plywood case packaging.
Q4: What’s your solution if oil leakage appears within warranty period?
A: Send clear photos of leakage position and machine serial number, we arrange free replacement seal set or technical guidance accordingly.
Q5: Can I mix order boom + arm + bucket cylinder together for combined discount?
A: Yes, combined bulk order of three sets cylinders gets extra preferential unit price and unified one-time shipping cost saving.
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