Heavy-Duty Equipment V-Belt D158, Fixes Belt Slipping
Wrapped classical D-section belt for high-load compressors, conveyors, crushers, pumps and manufacturing equipment.
The D158 V-belt is a large classical-section belt for compatible heavy-duty sheaves. Dayco's official Gold Label table publishes D158GL as the same D-section inside-length designation.
Cross-Reference Information
Measurement warning: The D number and Dayco GL number use inside length. Datum and outside length are different measurements and should not be substituted without checking the drive specification.
Common Symptoms
- Belt slips under heavy load
- Excessive heat, noise or belt dust
- Driven equipment loses speed or torque
- Belt is cracked, glazed or damaged along the cover
Check Before Replacing
- Confirm D-section sheaves and the complete original marking
- Inspect grooves for wear and correct groove angle
- Check alignment, shaft condition and bearings
- Use the specified matched set when the drive uses multiple belts
Installation Notes
- Disconnect and lock out power.
- Relieve tension without prying the belt over a sheave.
- Inspect and clean all drive components.
- Align the sheaves and tension to the equipment specification.
- Reinstall guards and test under controlled load.
Verified Compatible Equipment Models
No model-level fitment was published for this universal D-section size. Official sources identify broad heavy industrial applications. Match the original belt designation, profile, length system and drive requirements.
✅Compatibility & Cross Reference
Not sure about your model number? Call 1-877-899-7278 and we’ll help you confirm. All brand names are the property of their respective owners and are used for compatibility reference only.
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