Eliminate belt slippage and ensure stable mechanical torque delivery with our Premium Heavy-Duty Engine V-Belt 977220. Molded from high-tensile, heat-resistant EPDM synthetic rubber with low-stretch polyester core cords and a protective fabric wrap for VOLVO EC240B and EC290B excavators, this classical wedge belt offers quiet, slip-free performance. Factory-direct B2B wholesale pricing with fast air express international shipping. Contact our sales engineering support team today with your machine serial number for volume bundle quotes!
Genuine VOLVO Auxiliary Engine V-Belt 977220
Product Overview: The Genuine VOLVO Premium Auxiliary Engine V-Belt (P/N: 977220 / VOE977220) is a heavy-duty wrapped wedge-type power transmission component engineered for classic VOLVO diesel engines. It transmits torque to critical accessories, including the water pump, alternator, and air compressor.
1. Core Technical Advantages
High-Performance EPDM Rubber: Resists ozone aging, oil corrosion, and high-temperature hardening.
Low-Elongation Polyester Cords: High-tensile inner cords reduce structural stretch, maintaining stable tension over long operating hours.
Precision Wedge Profile: Fits standard pulley grooves perfectly, maximizing side-wall contact area for efficient torque delivery.
Wearproof Fabric Cover: Shields internal cords from abrasive dust and lowers heat buildup during operation.
2. Technical Specifications Matrix
| Engineering Parameter | Technical Data & Specification Details |
|---|---|
| Genuine OEM Part Number | 977220 / VOE977220 |
| Product Classification | Wrapped Wedge V-Belt for Engine Auxiliary Accessories Drive |
| Matching Structure | Metric V-Groove Side-Wall Wedge Fit Design |
| Base Material / Wrap | Heat-Resistant EPDM Rubber with Fabric Outer Wrap |
| Inner Reinforcement | High-Strength, Low-Stretch Polyester Load Cords |
| Environmental Resistance | Anti-oil, anti-dust, anti-ozone, and high-temperature durability |
3. Master Application Fleet Guide
This heavy-duty wedge belt is purpose-built for high-torque VOLVO quarry excavation machinery:
Heavy Quarry Excavators: EC240B, EC240B Prime, EC290B, EC290B Prime
4. Common Failure Symptoms
Loud Squealing Noise: Occurs during cold starts or high-load operations, indicating side-wall slipping.
Surface Fraying & Cracking: Inner base cracks or frayed edges appear due to thermal fatigue.
Abnormal Shaking: Belt whips at idle, accompanied by black rubber dust accumulation around pulleys.
Shut down the engine, isolate power, and cool for 2 hours. Loosen the adjuster bolt to release tension. Clean dirt from pulley V-grooves and inspect bearings. Seat the new 977220 belt squarely. Adjust tension to standard deflection limits, lock hardware, and run the engine to verify silent, vibration-free tracking.
5. B2B Procurement Strategy
A snapped belt cuts off engine cooling and charging systems, leading to emergency field downtime. Stocking genuine 977220 belts is a critical preventative measure. Wholesale distributors are encouraged to combine this belt with multi-ribbed belts and tensioner pulleys to offer a "Front-End Drive Overhaul Kit."
6. Global Brand Cross-Reference
| Brand Designation | Cross-Reference Part Information |
|---|---|
| VOLVO Original Part No. | 977220 / VOE977220 |
| Supplier | Xuzhou Sinoswift Import & Export Co., Ltd. |
| Contact | +86 13701956981 / [email protected] |
Note: All OEM names, logos, and models are for reference only.