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I. Core Attributes
| Attribute | Specification |
|---|---|
| Formal Name | Hydraulic Clutch Slave Cylinder Assembly (Push-Type) |
| Function | Converts hydraulic pressure from master cylinder into mechanical force to actuate clutch release lever |
| System Type | Pure Hydraulic System (NOT air-hydraulic – critical correction) |
| Core Components | - Aluminum alloy cylinder body (A356-T6) - PTFE-sealed piston (Ø32 mm) - Return spring (EN 10270-1-SH steel) - Quick-disconnect hydraulic fitting (ISO 13099) - Protective rubber boot (NBR, Shore A 65) |
| Operating Principle | Master cylinder pressure → Piston displacement → Release lever movement → Clutch disengagement |
| Critical Feature | Integrated air bleed valve (1/8" NPT thread) for simplified maintenance |
|  |
| Parameter | Value | Tolerance | Test Standard |
|---|---|---|---|
| Bore Diameter | 32.00 mm | +0.00 / -0.02 mm | Micrometer measurement |
| Piston Stroke | 35.0 mm | ±0.5 mm | ISO 15366 Annex B |
| Operating Pressure | 4.5–7.0 MPa (650–1015 psi) | - | SAE J1740 |
| Seal Leakage Limit | ≤ 0.1 ml/min | - | ISO 6149-2 |
| Return Spring Force | 120 N @ 25 mm compression | ±15 N | ASTM F1319 |
| Fluid Compatibility | DOT 3 or DOT 4 hydraulic fluid | - | FMVSS No. 106 |
| Service Life | 300,000 actuations | Under normal conditions | Shacman Field Data 2023 |
| Temperature Range | -40°C to +120°C | - | ISO 16750 |
|
| Model Series | Valid Applications | Exclusion Warning |
|---|---|---|
| Shacman X3000 | ✔️ All variants (2017–present) ✔️ 430–550 HP models with FAST 12JSDX240T transmission | ❌ Not for 8×4 configurations (uses DZ93189230184) |
| Shacman M3000 | ✔️ M3000S, M3000L variants (2019–present) ✔️ Equipped with FAST 16JSDQXL260 transmission | ❌ Not for M3000 with AMT transmissions |
| Other Models | ❌ F3000: Uses different stroke length (DZ93189230177) ❌ SITRAK: Sinotruk model (incompatible) |
| Feature | Technical Rationale |
|---|---|
| Precise Engagement | 32mm bore + 35mm stroke provides 1:1 clutch release ratio (critical for FAST transmissions) |
| Contamination Resistance | Triple-lip PTFE seal prevents fluid leakage even with 50μm particulates (SAE #200 test) |
| Thermal Stability | Aluminum body dissipates heat; operates at 120°C coolant temp (vs. 90°C for inferior units) |
| Maintenance Efficiency | Integrated bleed valve reduces bleeding time by 65% (vs. traditional systems) |
| Failure Mode | Seal degradation → Fluid leakage → Clutch drag (87% of field failures – Shacman FR-2022-078) |
