When considering the conversion of a traditional lawn mower to an electric model, one of the critical components to evaluate is the transaxle. The transaxle not only provides the necessary mechanical advantage for the wheels to move effectively but also must be compatible with the electric motor’s torque and power characteristics. Here, we will explore the options and considerations for selecting a suitable transaxle for an electric lawn mower.
Tuff Torq K46: A Popular Choice
One of the most popular integrated hydrostatic transaxles (IHT) in the world is the Tuff Torq K46 . This transaxle is known for its affordability, compact design, and proven performance in a variety of applications. It is particularly well-suited for riding mowers and lawn tractors, making it an excellent choice for an electric lawn mower conversion.
Features of Tuff Torq K46
- Patented L.O.G.I.C. Case Design: This design facilitates easy installation, reliability, and serviceability.
- Internal Wet Disk Brake System: Provides efficient braking capabilities.
- Reversible Output/Control Lever Operating Logic: Allows for application optimization.
- Smooth Operation: Suitable for both foot and hand control systems.
- Application: Rear Engine Riding Mower, Lawn Tractor.
- Reduction Ratio: 28.04:1 or 21.53:1, offering different speed and torque options.
- Axle Torque (Rated): 231.4 Nm (171 lb-ft) for the 28.04:1 ratio and 177.7 Nm (131 lb-ft) for the 21.53:1 ratio.
- Max. Tire Diameter: 508 mm (20 in) for the 28.04:1 ratio and 457 mm (18 in) for the 21.53:1 ratio.
- Brake Capacity: 330 Nm (243 lb-ft) for the 28.04:1 ratio and 253 Nm (187 lb-ft) for the 21.53:1 ratio.
- Displacement (Pump/Motor): 7/10 cc/rev.
- Max. Input Speed: 3,400 rpm.
- Axle Shaft Size: 19.05 mm (0.75 in).
- Weight (dry): 12.5 kg (27.6 lb).
- Brake Type: Internal Wet Disc.
- Housing (Case): Die-Cast Aluminum.
- Gears: Heat-treated Powder Metal.
- Differential: Automotive-type Bevel Gears.
- Speed Control System: Options for dampening system or external shock absorber for foot control, and external friction pack and lever for hand control.
- Bypass Valve (Roll Release): Standard feature.
- Hydraulic Fluid Type: Proprietary Tuff Torq Tuff Tech drive fluid recommended.
Specifications of Tuff Torq K46
Considerations for Electric Lawn Mower Conversion
When converting a lawn mower to electric, it’s important to consider the following:
1. Torque and Power Handling: The transaxle must be able to handle the high torque provided by electric motors, especially at low speeds.
2. Compatibility with Electric Motor: Ensure that the transaxle can be easily integrated with the electric motor, considering factors like shaft size and mounting options.
3. Durability: The transaxle should be robust enough to withstand the rigors of lawn mowing, including impacts and continuous operation.
4. Maintenance and Serviceability: A transaxle that is easy to maintain and service is crucial for long-term reliability and cost-effectiveness.
Conclusion
The Tuff Torq K46 stands out as a reliable and popular choice for electric lawn mower conversions due to its performance, durability, and affordability. It offers the necessary features and specifications to handle the demands of electric lawn mowers, making it a strong contender for your electric conversion project. When selecting a transaxle, it’s essential to match the specifications to the specific requirements of your electric motor and the intended use of the lawn mower to ensure optimal performance and longevity.
Post time: Nov-22-2024