1. Introduction
This manual provides essential information for the safe and effective use of your Husqvarna 24HP 54-inch Deck Riding Lawn Mower, Model TS354XD. Please read this manual thoroughly before operating the machine to ensure proper assembly, operation, and maintenance. Retain this manual for future reference.

Figure 1: Husqvarna 24HP 54-inch Deck Riding Lawn Mower (Model TS354XD). This image shows the complete riding lawn mower from a front-side angle, highlighting its orange and black design, large tires, and cutting deck.
2. Safety Information
Operating a riding lawn mower requires careful attention to safety. Failure to follow safety instructions can result in serious injury or death. Always wear appropriate personal protective equipment (PPE), including eye protection, hearing protection, and sturdy footwear.
General Safety Rules:
- Read and understand all instructions in this manual before operation.
- Never allow children or untrained individuals to operate the mower.
- Inspect the area before mowing and remove any objects that could be thrown by the blades.
- Keep bystanders, especially children and pets, at a safe distance from the operating area.
- Operate only in daylight or good artificial light.
- Do not operate the mower when under the influence of alcohol or drugs.
- Always disengage the cutting blades and set the parking brake before leaving the operator's position.
- Exercise extreme caution when operating on slopes. Avoid sudden turns or excessive speed.

Figure 2: Front view of the Husqvarna riding mower, showing the robust brush guard-style bumper. This bumper provides front-end protection and enhances safety during operation.
3. Setup and Initial Preparation
3.1 Unpacking
The mower is shipped on a heavy wooden skid. Carefully remove all packaging materials. Due to the secure fastening of the wheels to the pallet, direct rolling off may not be possible. It may be necessary to partially dismantle the skid around the wheels to free the mower. Exercise caution and use appropriate tools.
3.2 Assembly
- Seat Installation: Attach the operator's seat to the mower frame. This may require two people due to the seat's weight. Ensure all mounting hardware is securely fastened.
- Bumper Installation: Install the front bumper bar. Verify all necessary hardware is present and tightened.
- Battery Connection: Connect the battery terminals. Ensure correct polarity (positive to positive, negative to negative).
3.3 Initial Checks
- Tire Pressure: Check and adjust tire pressure to the recommended levels indicated on the tire sidewalls. Over-inflated tires can lead to a harsh ride.
- Engine Oil Level: Verify the engine oil level. The engine may be shipped with a low oil level; add oil as needed to the full mark on the dipstick.
- Steering Alignment: Inspect the steering wheel alignment and front wheel toe-in. Adjust if necessary to ensure straight tracking and proper handling.
- Deck Leveling: Ensure the cutting deck is level. Adjust the deck height mechanism as required for an even cut.
3.4 Fueling
Fill the fuel tank with fresh, clean gasoline. Use a funnel or a gas can with a narrow spout, as the fuel tank opening is designed to prevent spills. Do not overfill.
4. Operating Instructions
4.1 Controls Overview

Figure 3: Operator's view of the Husqvarna riding mower dashboard and steering wheel. This image displays the key ignition, throttle, choke, and other controls accessible from the driver's seat.
Familiarize yourself with the location and function of all controls:
- Steering Wheel: Controls direction.
- Ignition Switch: Starts and stops the engine.
- Throttle Control: Adjusts engine speed.
- Choke Control: Assists in starting a cold engine.
- Cutting Deck Lift Lever: Raises and lowers the cutting deck.
- Blade Engagement Lever: Engages and disengages the mower blades.
- Parking Brake: Secures the mower when stationary.
- Differential Lock: Provides enhanced traction on uneven or slippery terrain.

Figure 4: Close-up view of the Husqvarna riding mower's operator seat. This image highlights the ergonomic design of the seat, including armrests and back support, contributing to operator comfort.
4.2 Starting the Engine
- Ensure the parking brake is engaged.
- Ensure the blade engagement lever is in the disengaged position.
- Sit firmly in the operator's seat.
- Move the throttle control to the FAST position.
- If the engine is cold, pull the choke control out.
- Insert the key into the ignition switch and turn it to the START position. Release the key once the engine starts.
- Gradually push the choke control in as the engine warms up.
4.3 Mowing
- Select the desired cutting height using the deck lift lever.
- Engage the mower blades by moving the blade engagement lever.
- Begin mowing at a moderate speed. Overlapping passes slightly will ensure an even cut.
- For optimal cutting performance, avoid mowing wet grass.
4.4 Using the Differential Lock
The differential lock provides increased traction to both rear wheels simultaneously. Engage the differential lock when operating on slippery surfaces, soft ground, or when additional traction is required. Disengage the differential lock when turning or on firm, level ground to prevent turf damage.
4.5 Stopping the Engine
- Disengage the mower blades.
- Move the throttle control to the SLOW position.
- Engage the parking brake.
- Turn the ignition key to the OFF position and remove it.
5. Maintenance
Regular maintenance is crucial for the longevity and performance of your riding mower.
5.1 Daily Checks
- Check engine oil level.
- Inspect cutting blades for sharpness and damage.
- Clean grass clippings from the deck and engine cooling fins.
- Check tire pressure.
5.2 Scheduled Maintenance
- After first 15 hours: Change engine oil.
- Every 50 hours or annually: Change engine oil, replace air filter, inspect spark plugs, check battery terminals.
- Every 100 hours or annually: Replace fuel filter, inspect drive belts.
5.3 Deck Removal and Installation
The cutting deck can be removed for cleaning or maintenance. The process typically involves disengaging the deck from the lift arms and drive belt. Reinstallation is the reverse process. Allow approximately 20-45 minutes for this procedure, depending on experience.
5.4 Storage
For extended storage, especially during winter months:
- Clean the mower thoroughly.
- Add fuel stabilizer to the fuel tank or drain the fuel system.
- Remove the battery and store it in a cool, dry place, keeping it charged with a trickle charger.
- Store in a dry, protected area.
6. Troubleshooting
This section addresses common issues you might encounter. For problems not listed here or if solutions do not resolve the issue, contact authorized service personnel.
| Problem | Possible Cause | Solution |
|---|---|---|
| Engine will not start | No fuel; dead battery; safety switch engaged; spark plug issue | Check fuel level; charge/replace battery; ensure seat is occupied and blades disengaged; inspect/replace spark plug |
| Poor cutting performance | Dull blades; incorrect deck leveling; engine speed too low; mowing wet grass | Sharpen/replace blades; level deck; increase engine RPM; mow dry grass |
| Loss of traction | Low tire pressure; differential lock disengaged on uneven terrain | Adjust tire pressure; engage differential lock as needed |
| Engine cuts off during operation | Operator safety switch triggered; low fuel; engine overheating | Ensure firm seating; check fuel; allow engine to cool, clean cooling fins |
7. Specifications
| Feature | Detail |
|---|---|
| Model Number | TS354XD |
| Engine Power | 24 HP |
| Cutting Width | 54 Inches |
| Transmission | Commercial-grade hydrostatic with differential lock |
| Material | Alloy Steel (frame) |
| Power Source | Gasoline-powered |
| Product Dimensions | 73 x 47 x 55 inches |
| Minimum Cutting Height | 38 Millimeters |
| Maximum Cutting Height | 102 Millimeters |
| UPC | 193028049318 |
8. Warranty and Support
8.1 Warranty Information
This Husqvarna riding lawn mower is covered by a manufacturer's warranty. Specific warranty terms and conditions, including duration and coverage details, are provided with your purchase documentation. Please refer to these documents for complete information. Keep your proof of purchase for warranty claims.
8.2 Customer Support
For technical assistance, parts, or service, please contact Husqvarna customer support or an authorized Husqvarna dealer. Contact information can typically be found on the manufacturer's website or in your product registration materials. When contacting support, please have your model number (TS354XD) and serial number ready.