T: +8615609213525
E: 15829336298@139.com
E: 15829336298@139.com
Room 1212-G107, Unit 2, Building 1, Block A, Shenglong Plaza, No. 80 Weiyang Road, Weiyang District, Xi'an City, Shaanxi Province
| Quantity: | |
|---|---|
188-1005360B
Yutong Bus Parts
| Attribute | Description |
|---|---|
| Part Number (OE) | 188-1005360B |
| Product Name | Flywheel and Ring Gear Assembly |
| Common Names | Engine Flywheel, Crankshaft Flywheel, Starter Engagement Wheel |
| Application Engine | Yuchai YC6G, YC4E, YC4D, YC6108 Series |
| Number of Teeth (Ring Gear) | 118 teeth |
| Bolt Pattern (Mounting Holes) | 8-hole pattern (symmetrical for secure fastening) |
| Flywheel Type | Solid Rigid Flywheel |
| Material | High-Strength Gray Cast Iron or Forged Alloy Steel |
| Ring Gear Material | Induction-Hardened Carbon Steel |
| Center Bearing Compatibility | Designed for 6203 Deep Groove Ball Bearing (optional center pilot support) |
| Design Standard | Meets GB/T 19055, ISO 8178, and Yuchai OE specifications |
| Parameter | Specification |
|---|---|
| Outer Diameter (Approx.) | ~400 mm – 430 mm |
| Thickness (Body) | ~45 – 55 mm |
| Weight (Total Assembly) | 18 – 25 kg (varies slightly by model) |
| Balance Grade | G6.3 or better (per ISO 1940-1 — precision dynamic balancing) |
| Ring Gear Hardness (Surface) | HRC 55–62 (after induction hardening) |
| Torque Capacity | Matches engine peak torque output; supports manual transmission clutch engagement |
| Thermal Stability | Resists warping at high temperatures (up to 400°C surface temp during clutch slip) |
| Service Life | 8–12 years or 600,000 km under normal operating conditions |
| Attribute | Description |
|---|---|
| Part Number (OE) | 188-1005360B |
| Product Name | Flywheel and Ring Gear Assembly |
| Common Names | Engine Flywheel, Crankshaft Flywheel, Starter Engagement Wheel |
| Application Engine | Yuchai YC6G, YC4E, YC4D, YC6108 Series |
| Number of Teeth (Ring Gear) | 118 teeth |
| Bolt Pattern (Mounting Holes) | 8-hole pattern (symmetrical for secure fastening) |
| Flywheel Type | Solid Rigid Flywheel |
| Material | High-Strength Gray Cast Iron or Forged Alloy Steel |
| Ring Gear Material | Induction-Hardened Carbon Steel |
| Center Bearing Compatibility | Designed for 6203 Deep Groove Ball Bearing (optional center pilot support) |
| Design Standard | Meets GB/T 19055, ISO 8178, and Yuchai OE specifications |
| Parameter | Specification |
|---|---|
| Outer Diameter (Approx.) | ~400 mm – 430 mm |
| Thickness (Body) | ~45 – 55 mm |
| Weight (Total Assembly) | 18 – 25 kg (varies slightly by model) |
| Balance Grade | G6.3 or better (per ISO 1940-1 — precision dynamic balancing) |
| Ring Gear Hardness (Surface) | HRC 55–62 (after induction hardening) |
| Torque Capacity | Matches engine peak torque output; supports manual transmission clutch engagement |
| Thermal Stability | Resists warping at high temperatures (up to 400°C surface temp during clutch slip) |
| Service Life | 8–12 years or 600,000 km under normal operating conditions |
