| Parameter | Specification |
|---|---|
| COGENG Part Numbers | 0005513, 0006545 |
| OEM Reference | Hitachi 0005513, 0006545 |
| Harness Type | External hydraulic system wiring harness (solenoids, sensors, pump control, valve block) |
| Wire Gauge Range | 0.5mm² to 3.0mm² (20 AWG to 12 AWG) |
| High-Current Circuits | 2.5-3.0mm² (solenoid power, proportional valve control, pump regulator) |
| Sensor Circuits | 0.5-0.85mm² (shielded where required for EMI protection) |
| Number of Circuits | 40-60 circuits (depending on machine configuration) |
| Number of Connectors | 14-20 connectors |
| Connector Types | Deutsch DT/DTP, AMP Superseal, Sumitomo HW, Yazaki (weather-sealed) |
| Wire Insulation | XLPE (Cross-linked Polyethylene) / TPE (oil-resistant compound) |
| Temperature Range | -40°C to +125°C (-40°F to +257°F) |
| Rated Voltage | 24V DC (12V-32V operating range) |
| Conductor Material | Oxygen-free copper (tinned for corrosion resistance) |
| Terminal Plating | Tin (standard) / Gold (sensor/control circuits) |
| Heat Shielding | Reflective aluminum/glass fiber (exhaust proximity zones, turbo area) |
| Protective Conduit | Corrugated nylon / PVC loom (heat-shrink sealed ends) |
| Abrasion Protection | Spiral wrap / nylon braid (high-wear zones, frame edges) |
| Connector Sealing | IP67 / IP69K (waterproof, dustproof, pressure wash resistant) |
| Salt Spray Resistance | 500 hours minimum (ASTM B117) |
| Insulation Resistance | ≥ 100 MΩ at 500V DC |
| Dielectric Strength | 1,500V AC for 1 minute (no breakdown) |
| Continuity Testing | 100% of circuits verified |
| Thermal Cycling | -40°C to +125°C, 500 cycles |
| Fluid Resistance | Hydraulic oil, diesel, engine oil, coolant (168 hour immersion) |
| Service Life | 5,000-8,000 hours in typical excavator service |
| COGENG Part Number | Application | Description |
|---|---|---|
| 0005513 | ZX450F-3 / ZX450-3 | External HYD harness (standard configuration) |
| 0006545 | ZX450F-3 / ZX450-3 | External HYD harness (enhanced / updated configuration) |
| Component Category | Specification | Material / Standard |
|---|---|---|
| Main Pump Control Harness | Main hydraulic pump (variable displacement regulator) | 0.85-1.25mm², shielded control lines, PWM rated |
| Solenoid Valve Harness | Main control valve solenoids (boom, arm, bucket, swing, travel) | 1.25-2.5mm², high-current, oil-resistant insulation |
| Proportional Valve Harness | Proportional pressure reducing valves (PPRV) for fine control | 0.85-1.25mm², PWM signal rated, shielded |
| Pressure Sensor Harness | Pump pressure (P1/P2), pilot pressure, implement pressure | 0.5-0.85mm², shielded, 5V reference circuit |
| Temperature Sensor Harness | Hydraulic oil temperature, engine coolant (external sensors) | 0.5-0.85mm², sealed connectors, corrosion-resistant |
| Level Sensor Harness | Hydraulic tank level, fuel level (external tank sensors) | 0.5-0.85mm², corrosion-resistant terminals |
| Filter Clogging Sensors | Return filter, pilot filter, case drain filter switches | 0.5-0.85mm², normally open/closed circuits |
| Swing Brake Solenoid | Swing parking brake control (external valve) | 1.25-2.5mm², high-current, IP67 sealed |
| Travel Motor Harness | Travel motor shift solenoids, parking brake, speed sensors | 0.85-1.25mm², oil-resistant, high-flex wire |
| Cooling Fan Harness | Hydraulic cooling fan motor control (reversible fan) | 1.25-2.5mm², PWM control, heat-shielded for engine bay |
| Chassis Ground Harness | Pump, valve block, engine, frame grounds | 6.0-16mm², corrosion-resistant copper lugs |
| Connector Seals | Weather-pack seals for all external connectors | Silicone rubber, IP67/IP69K rating |
| Heat Shielding | Exhaust manifold, turbocharger, DPF proximity zones | Reflective aluminum + fiberglass sleeve (continuous 250°C rating) |
| Abrasion Protection | High-wear zones (frame edges, moving part interfaces) | Nylon spiral wrap / polyethylene braid |
| Cable Tie Mounts | Stainless steel or heat-stabilized nylon | UV-stabilized, temperature rated |
| Hitachi Model | Series | COGENG Part | Application Notes | Compatibility Status |
|---|---|---|---|---|
| ZX450F-3 | -3 series | 0005513 | External HYD harness (standard) | Direct replacement |
| ZX450F-3 | -3 series | 0006545 | External HYD harness (updated) | Direct replacement |
| ZX450-3 | -3 series | 0005513 | External HYD harness (standard) | Direct replacement |
| ZX450-3 | -3 series | 0006545 | External HYD harness (updated) | Direct replacement |
| ZX450LC-3 | -3 series (long undercarriage) | 0005513 / 0006545 | Same harness configuration | Direct replacement |
| ZX450H-3 | -3 series (high-walker) | 0005513 / 0006545 | Same harness configuration | Direct replacement |
| ZX450-5 | -5 series | N/A | Different architecture | NOT COMPATIBLE |
| ZX470-3 | -3 series | N/A | Verify with support | Contact technical support |
| ZX350-3 | -3 series | N/A | Different harness | NOT COMPATIBLE |
| ZX370-3 | -3 series | N/A | Different harness | NOT COMPATIBLE |
| ZX870-3 | -3 series | N/A | Different harness | NOT COMPATIBLE |
| Model | Compatibility Status | Notes |
|---|---|---|
| ZX450F-3 (Forestry) | Direct replacement | Forestry guard modifications verified, harness routing confirmed |
| ZX450LC-3 | Direct replacement | Long undercarriage, same external harness |
| ZX450H-3 | Direct replacement | High-walker configuration verified |
| ZX450-1 | NOT COMPATIBLE | Different electrical architecture (12V system) |
| ZX450-2 | NOT COMPATIBLE | Different electrical architecture, different connectors |
| ZX450-3B | Verify with support | Late production -3B may have differences |
| Model | Serial Number Range | COGENG Part | Compatibility |
|---|---|---|---|
| ZX450F-3 | 450F3001 - 450F3500 | 0005513 | Full compatibility |
| ZX450F-3 | 450F3501 and up | 0006545 | Full compatibility (updated) |
| ZX450-3 | 4503001 - 4503500 | 0005513 | Full compatibility |
| ZX450-3 | 4503501 and up | 0006545 | Full compatibility (updated) |
| ZX450LC-3 | 450LC3001 and up | 0005513 / 0006545 | Verify original part number |
| Connection Point | Quantity | Connector Type | Circuit Type |
|---|---|---|---|
| Main hydraulic pump (regulator) | 1 | Deutsch 6-pin | PWM control + feedback |
| Main control valve solenoid bank | 1-2 | Deutsch 12-18 pin | Solenoid control |
| Pressure sensors (various locations) | 4-6 | AMP Superseal 3-pin | 5V sensor circuits |
| Temperature sensors | 2-3 | Sumitomo 2-pin | Resistive sensors |
| Swing brake solenoid | 1 | Deutsch 2-pin | High-current |
| Travel motors (left/right) | 2 | Deutsch 4-pin | Shift + brake |
| Cooling fan control | 1 | Deutsch 3-pin | PWM + feedback |
| Filter clogging sensors | 2-3 | 2-pin weather-pack | Switch inputs |
| Chassis ground points | 3-4 | Ring terminal | Power ground |
