Skip to product information
Usually ships in 2–4 business days.
5 Speed Transmission for Toro Exmark Mower 1-323500 132-4720 137-4105
$385.09
Sale price
$385.09
Regular price
Available to Order
This 5 Speed Transmission is a high-quality aftermarket replacement part compatible with Toro Exmark Mower and matches OEM Part# 1-323500, 132-4720, 137-4105.
Not sure which part fits your equipment?
Our Northline Parts team can help you find the right replacement. Support Hours: Monday–Friday, 8:00 AM–5:00 PM CT | Live Chat: Available 24/7
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
Product Overview
This replacement 5-speed transmission assembly is designed to restore full drive functionality to commercial and residential mowers. Built for durability and precise shifting, it ensures reliable performance in demanding landscaping conditions.
Key Features & Performance
- Precision-engineered gears for smooth 5-speed shifting.
- Heavy-duty housing construction for long-term durability.
- Direct replacement design for simplified installation.
- Optimized for consistent torque delivery across all gear ranges.
Fitment & Compatibility
- Compatible Models: Toro and Exmark walk-behind and commercial mowers.
- Part Number(s): 1-323500, 132-4720, 137-4105
Technical Specifications
- Part Type: 5 Speed Transmission
- Gears: 5 forward speeds
- Material: Heavy-duty metal alloy
- Application: Walk-behind lawn mowers
Frequently Asked Questions
Q: Is this a genuine OEM part? A: This is a high-quality aftermarket replacement part manufactured to meet or exceed original equipment specifications. Q: Does this transmission come pre-lubricated? A: These units are factory-sealed, but it is recommended to verify lubricant levels according to your equipment manufacturer requirements before use.
Compatibility may vary by serial number. Verify fitment before purchase.