A Section V-Belt 13x8mm | Rubber Triangle Drive Belt A51–A61 (50"–60")
A Section V-Belt 13x8mm | Rubber Triangle Drive Belt A51–A61 (50"–60")
A Section V-Belt 13x8mm | Rubber Triangle Drive Belt A51–A61 (50"–60")
A Section V-Belt 13x8mm | Rubber Triangle Drive Belt A51–A61 (50"–60")
A Section V-Belt 13x8mm | Rubber Triangle Drive Belt A51–A61 (50"–60")
A Section V-Belt 13x8mm | Rubber Triangle Drive Belt A51–A61 (50"–60")
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A Section V-Belt 13x8mm | Rubber Triangle Drive Belt A51–A61 (50"–60")A Section V-Belt 13x8mm | Rubber Triangle Drive Belt A51–A61 (50"–60")A Section V-Belt 13x8mm | Rubber Triangle Drive Belt A51–A61 (50"–60")A Section V-Belt 13x8mm | Rubber Triangle Drive Belt A51–A61 (50"–60")A Section V-Belt 13x8mm | Rubber Triangle Drive Belt A51–A61 (50"–60")A Section V-Belt 13x8mm | Rubber Triangle Drive Belt A51–A61 (50"–60")

A Section V-Belt 13x8mm | Rubber Triangle Drive Belt A51–A61 (50"–60")

HomeDIYer
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By HomeDIYer®

Price:
$6.41 USD
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In stock (500 units), ready to be shipped

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Description

 

A Section V-Belt 13x8mm — Reliable Rubber Drive Belt for Compressors, Mowers & Industrial Equipment

When a worn or snapped drive belt brings your air compressor, lawn mower, or shop equipment to a halt, finding the right replacement fast matters. This A section V-belt is engineered for the home workshop owner, maintenance technician, and small-shop operator who needs a dependable rubber triangle belt that installs quickly and runs quietly without slipping.

Each belt features a classic A-section (Type A) trapezoidal profile measuring 13mm wide × 8mm thick, constructed from rubber-reinforced compound for flexibility and grip. Available in 11 lengths from 50 Inch (1270mm) A51 through 60 Inch (1524mm) A61 — select the designation that matches the marking on your original belt or your equipment manual. Both inside-length designations (A51–A61) and metric equivalents are listed for each variant.

Typical applications include air compressor drive belts, HVAC blower and fan drives, lawn mower and garden tractor deck belts, drill press and band saw drives, and general light industrial power transmission. The standardized A-section profile makes this a straightforward drop-in replacement for most OEM rubber V-belts in the same size range.

🔗 Compatibility Note: This belt uses the standard A-section (Type A) profile. Verify the belt designation (A51–A61) stamped on your original belt or listed in your equipment manual before ordering. Not compatible with B-section, C-section, or metric SPZ/SPA profiles.

✅ Key Features of These A-Section Rubber V-Belts

  • 📐Standardized A-Section Profile — 13mm × 8mm trapezoidal cross-section matches the universal Type A V-belt standard used across North American and international equipment.
  • 🔄11 Lengths in One Listing — Covers A51 through A61 (50"–60" / 1270mm–1524mm), so you can find the exact replacement rubber triangle belt without hunting across multiple listings.
  • ⚙️Flexible Rubber Construction — The rubber compound provides the flexibility needed to seat properly in V-groove pulleys, reducing vibration and noise during power transmission.
  • 🌧️Moisture-Resistant for Outdoor Use — Suitable for outdoor power equipment like lawn mowers and garden tractors where exposure to humidity and light moisture is expected.
  • 🔧Tool-Free Installation — Slips onto standard A-section V-groove pulleys without special tools; adjust tensioner to spec and run. No adhesives or modifications required.
  • 🔁Direct OEM Replacement — The standardized A-section designation means this belt is generally interchangeable with OEM parts carrying the same A51–A61 designation, making it a reliable aftermarket V-belt replacement.

📐 Technical Specifications — A-Section Rubber V-Belt

Belt Type A-Section (Type A) V-Belt
Cross-Section Width 13mm (≈1/2")
Cross-Section Height 8mm (≈5/16")
Profile Shape Trapezoidal (Triangle / V-groove)
Material Rubber compound with internal cord reinforcement (typically)
Available Designations A51, A52, A53, A54, A55, A56, A57, A58, A59, A60, A61
Inside Length Range 50" (1270mm) — 60" (1524mm)
Outside Length Range Approximately 52" (1321mm) — 62" (1575mm)
Sold As 1 belt per order
Compatible Drive Types A-section V-groove pulleys; single or multi-belt drives
Typical Applications Air compressors, HVAC blowers, lawn mowers, drill presses, light industrial drives
Temperature Range See variant options / Contact us to confirm for extreme conditions
Country of Origin Contact us to confirm
⚠️ Before You Order: Check the designation stamped on your old belt (e.g., "A55" or "4L560"). A55 and 4L550 are equivalent A-section sizes — if your belt shows a 4L designation, contact us to confirm the correct match.

❓ Frequently Asked Questions

How do I choose the correct V-belt length?

Measure the outside circumference of your old belt, or check the belt designation stamped on its side. A-section belts use an "A" prefix followed by the inside circumference in inches (e.g., A51 = 51" inside / ~53" outside). This listing covers A51 through A61. If in doubt, measure the center-to-center distance between your pulleys and use a belt-length calculator to confirm the correct size.

What does "13x8mm" mean for this V-belt?

13x8mm refers to the cross-sectional dimensions: 13mm top width and 8mm height. This matches the classic A-section (Type A) profile, which is the most widely used V-belt standard in North America and internationally. It fits any pulley groove designed for an A-section belt.

Can this belt handle outdoor or high-humidity environments?

Rubber V-belts are generally resistant to moisture and moderate temperature variation, making them suitable for outdoor power equipment such as lawn mowers and garden tractors. However, prolonged exposure to oils, solvents, or extreme heat can accelerate wear. For harsh chemical environments, confirm compatibility before ordering.

What machines is this A-section V-belt compatible with?

A-section V-belts in the A51–A61 range are commonly used in air compressors, HVAC blower units, lawn mowers, garden tractors, drill presses, band saws, and light industrial machinery. Always verify the belt designation on your existing belt or in your equipment manual before purchasing.

How much load or horsepower can this belt transmit?

A-section V-belts typically handle light to moderate power transmission loads, generally up to a few horsepower depending on speed, pulley diameter, and tension. For exact power ratings, refer to your equipment manufacturer's specifications or a standard V-belt power rating chart.

Is this belt a direct replacement for OEM belts?

In most cases, yes — as long as the belt designation (A51–A61) matches your OEM specification. The A-section profile is standardized, so aftermarket belts with the correct designation are generally interchangeable with OEM parts. Always cross-reference the part number on your original belt.

What is the difference between inside length and outside length?

The A-section designation number refers to the inside circumference in inches (e.g., A51 = 51" inside length). The outside circumference is typically about 2" longer. For example, an A51 belt has an inside length of 51" (1296mm) and an outside length of approximately 53" (1346mm). Always confirm which measurement your equipment manual specifies.

🛒 Select your belt length above, then add to cart — ships from our US warehouse.

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