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12_8bec5abd-ff45-49c7-a23c-9764024cd38e - Northline Parts

5-Speed Transmission 137-4105 for Exmark Metro Walk-Behind Mowers

SKU: NLT2T03497
$385.09 In Stock
$385.09
Sale price  $385.09 Regular price 
Ships for free in 2–4 business days.
Replacement 5-speed transmission 137-4105 for Exmark Metro and Metro HP gear-drive walk-behind mowers, replacing 1-323500 and 132-4720.
Estimated delivery between
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Compatible Models

We do our best to list all compatible models. Although this may be the part you need, your exact model may not appear below.

Compatible equipment / model
Application Fitment Notes
Exmark Metro 32 / 36 / 48 / 52 gear-drive mowers Verify model and serial.
Exmark Metro HP / ECS double-belt drive models Verify transmission number.

Product Overview

This gearbox provides the five forward speed selections used by many Exmark commercial walk-behind mowers. Internal wear can cause noisy operation, difficulty selecting gears or loss of drive in one or more ratios.

Exmark lists 137-4105 as the current transmission and shows it replacing 1-323500, 132-4720 and E323500. It fits many 32-, 36-, 48- and 52-inch Metro gear-drive configurations depending on serial range.

Key Features & Performance

  • 5-speed walk-behind mower transmission
  • Current Exmark reference 137-4105
  • Replaces 1-323500 and 132-4720
  • Used on numerous Exmark Metro / Metro HP gear-drive models

Common Reasons for Replacement

  • Transmission slips or will not stay in gear
  • One or more speed ranges no longer drive
  • Excessive gearbox noise or internal wear

Technical Specifications

  • Speeds: 5
  • Part Type: Mechanical Mower Transmission

OE / Reference Numbers

  • 137-4105
  • 1-323500
  • 132-4720
  • E323500

Frequently Asked Questions

How do I confirm compatibility? Use the mower model, serial number and one of the listed transmission numbers before ordering.

Is this an OEM part? This listing is for a replacement part. Brand names and OE/reference numbers are used to identify fitment unless the listing specifically states that the item is genuine OEM.

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