| Parameter | Specification | Testing Standard |
|---|---|---|
| COGENG Part Number | COGENG-401107-00555-ARM | Internal Quality Standard QS-507 |
| Replaces OEM Part No. | 401107-00555, 40110700555 | Direct OEM Replacement |
| Piston Seal Material | Polyurethane (PU) Grade 94A | ISO 6072 |
| Rod Seal Material | Nitrile (NBR) with PTFE fill | ISO 6072 |
| Wiper Material | Polyurethane double-lipped | ISO 6194 |
| O-Ring Material | Nitrile (NBR) 70 Durometer | ISO 3601-1 |
| Wear Band Material | PTFE-filled thermoplastic | ISO 6811 |
| Backup Ring Material | Nylon 6.6 | ISO 1874-1 |
| Temperature Range | -40°C to +110°C (-40°F to +230°F) | ISO 2230 |
| Pressure Rating | Up to 35 MPa (5075 PSI) | ISO 10766-1 |
| Fluid Compatibility | Mineral oil, synthetic, HFD fluids | ISO 6743-4 |
| Shelf Life | 5 years in original packaging | ISO 2230 |
| Component | Material | Size Specification | Quantity | Function |
|---|---|---|---|---|
| Main Piston Seal | Polyurethane | 110mm ID x 8mm width | 1 | Primary pressure sealing |
| Rod Seal | NBR with PTFE | 80mm ID x 7mm width | 1 | Dynamic rod sealing |
| Buffer Seal | Polyurethane | 110mm ID x 6mm width | 1 | Pressure peak protection |
| Wiper Seal | Polyurethane double-lipped | 80.5mm ID | 1 | Contaminant exclusion |
| Wear Bands | PTFE composite | 110mm OD x 6mm width | 2 | Piston guidance |
| O-Rings | Nitrile (NBR) | Various sizes AS568 | 5 | Static sealing |
| Backup Rings | Nylon 6.6 | Various sizes | 2 | Anti-extrusion support |
| Gland Gasket | NBR | 85mm OD x 2.5mm CS | 1 | Gland static seal |
| Manufacturer | Model Series | Specific Models | Year Range | Serial Number Range |
|---|---|---|---|---|
| Doosan | DX225LC-3 | DX225LC-3 Standard | 2012-2015 | DX22SLC3A000001-DX22SLC3A002500 |
| Doosan | DX225LC-3 | DX225LC-3 Plus | 2013-2016 | DX22SLC3B000001-DX22SLC3B001800 |
| Doosan | DX225LC-3 | DX225LC-3 Super | 2014-2017 | DX22SLC3C000001-DX22SLC3C001200 |
| Parameter | Specification | Tolerance | Application |
|---|---|---|---|
| Cylinder Bore | 110 mm | +0.10/-0.00 mm | Main arm cylinder |
| Piston Rod Diameter | 80 mm | +0.00/-0.05 mm | Chrome-plated rod |
| Stroke Length | 1,245 mm | ±3 mm | Arm extension range |
| Rod Finish | Hard chrome plated | Ra 0.2-0.4 μm | Surface roughness |
| Operating Pressure | 34.3 MPa (350 kg/cm²) | ±2% | System design pressure |
| Performance Parameter | Value | Test Method |
|---|---|---|
| Seal Life Expectancy | 4,000 operating hours | ISO 7983 |
| Friction Coefficient | 0.07-0.11 | ASTM D1894 |
| Extrusion Resistance | 40 MPa sustained | ISO 1829 |
| Compression Set | <14% after 24h @ 100°C | ISO 815 |
| Abrasion Resistance | >60,000 cycles | ISO 4649 |
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