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0102030405
70-4216040 Mtz tractor suspension system shock absorber for agricultural tractor machinery 704216040
The 70-4216040 is an OEM suspension shock absorber replacement for MTZ tractors (e.g., MTZ-1025, MTZ-920 series), designed for agricultural machinery. Made of wear-resistant steel and high-elastic rubber, it dampens rough farmland vibration, protects suspension components, and enables easy direct replacement.
| Part Name | Shock Absorber |
| Part Number | 70-4216040 |
| Applicable System | Tractor suspension system |
| Compatible MTZ Models | MTZ-1025, MTZ-920 series |
| Core Material | Wear-resistant steel + high-elastic rubber |
| Installation Type | Direct OEM replacement (no adapter) |
MTZ-1025, MTZ-920 series
Maintenance:
- Routine Inspection: Check every 400 operating hours (or after 15-20 heavy farming cycles). Focus on rubber element cracks, steel housing rust, and loose mounting bolts.
- Cleaning: Wipe the housing with a dry cloth monthly to remove mud, dust, or crop residues—avoid harsh solvents that damage rubber.
- Replacement Cycle: Replace every 1,800-2,500 operating hours (sooner if vibration attenuation drops or parts show visible wear).
Storage Conditions
- Environment: Store in a dry, well-ventilated area with relative humidity ≤65% to prevent steel rust.
- Temperature: Maintain storage temp between -5°C and 35°C—avoid direct sunlight or near heat sources (prevents rubber aging).
- Packaging: Keep unused parts in original sealed packaging; avoid contact with oil, fuel, or fertilizers.
- Handling: Do not stack heavy objects on top; store vertically to prevent housing deformation.
- Pre-Installation Check: Confirm the part matches 70-4216040; verify compatible MTZ model (MTZ-1025/920).
- Tools Needed: Torque wrench (28-32 N·m range), socket set, and wire brush (to clean mounting surfaces).
- Steps:
- Lift the tractor safely (use jack stands) to access the suspension.
- Remove old shock absorber by unscrewing mounting bolts.
- Clean mounting brackets with a wire brush to remove rust.Install new shock absorber; tighten bolts to 28-32 N·m (avoid over-
- tightening to prevent housing damage).
- Lower the tractor and test ride to confirm stable performance.