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12_c36d76c6-ad9d-48fa-ac65-34c0fe17e945 - Northline Parts

Transmission Commercial 30” Mower for 20199 20200 20975 20977 Models 131-9665

Alligator_819_x_200_px - Northline Parts

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$150.79
Sale price  $150.79 Regular price 

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I reached out for some replacement head bolts and they responded quickly with a few questions and cautionary information and is sending me some bolts. Great customer service! Thanks

Edward H. — Verified customer

Replacement Transmission for Commercial 30” Mower - Models 20199, 20200, 20975, 20977

Restore the drive power and efficiency of your lawn equipment with this high-quality aftermarket transmission. Specifically engineered for commercial 30-inch mowers, this replacement part ensures smooth operation and reliable performance under demanding conditions. Please note that this is a premium aftermarket component, not an OEM part, designed to provide a cost-effective solution for professional-grade maintenance without compromising on durability.

Key Features & Benefits

  • Heavy-duty construction designed to withstand the rigors of commercial landscaping.
  • Direct replacement for part number 131-9665 for a precise fit and easy installation.
  • Smooth gear engagement and reliable power delivery to the drive system.
  • High-quality aftermarket alternative that meets or exceeds standard performance expectations.

Compatible Models

  • 20199 (30in Commercial Walk-Behind Mower)
  • 20200 (30in Commercial Walk-Behind Mower)
  • 20975 (30in TimeMaster Mower)
  • 20977 (30in TimeMaster Mower)

Product Specifications

  • Part Number: 131-9665
  • Type: Aftermarket Replacement Transmission
  • Application: 30-inch Commercial Mower Models
  • Material: Reinforced metal housing and internal components

Frequently Asked Questions

Is this an OEM part? No, this is a premium aftermarket part. It is engineered to provide the same fit and function as the original equipment at a more affordable price point.

How do I confirm compatibility? To ensure this transmission is correct for your machine, please verify that your mower model number is listed above and cross-reference your current part number with 131-9665. Checking your machine's serial number is also recommended for exact fitment.


Important: This is a premium aftermarket part and is not manufactured by the original equipment manufacturer (OEM). Brand names and model numbers are used for reference purposes only. Compatibility may vary depending on the machine's serial number. Please verify fitment before purchase.

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Service was professional and easy to work with. They kept me updated on my order and recommended a different part when the one I originally picked wasn’t going to work. Everything showed up as expected and the process was smooth overall.

- Customer, Chris D.

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