Introduction
This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your STIGA Estate 598 W Lawn Mower. Please read this manual thoroughly before operating the machine to ensure proper use and to prevent injury or damage.
The STIGA Estate 598 W is a powerful and versatile lawn tractor designed for maintaining large garden areas. It features a robust twin-cylinder engine, a wide cutting deck, and multiple cutting modes to suit various lawn care needs.

Figure 1: Overall view of the STIGA Estate 598 W Lawn Mower.
Safety Information
Always prioritize safety when operating the lawn mower. Failure to follow safety instructions can result in serious injury or property damage.
- Read and understand all instructions before operating the machine.
- Wear appropriate personal protective equipment (PPE), including eye protection, hearing protection, and sturdy footwear.
- Keep children and pets away from the operating area.
- Never operate the mower under the influence of alcohol or drugs.
- Inspect the area for debris before mowing.
- Turn off the engine and remove the key before performing any maintenance or clearing blockages.
Setup and Assembly
Your STIGA Estate 598 W Lawn Mower may require some assembly upon delivery. Refer to the separate assembly guide for detailed instructions. Key setup steps include:
- Unpacking: Carefully remove all components from the packaging.
- Steering Wheel Installation: Attach the steering wheel securely to the steering column.
- Seat Adjustment: Adjust the operator's seat for comfortable and safe operation.
- Battery Connection: Connect the battery terminals, ensuring correct polarity.
- Fluid Checks: Verify engine oil level, fuel level, and tire pressure before first use.

Figure 2: Side view of the lawn mower, showing the integrated grass collector.
Operating Instructions
Familiarize yourself with the controls before starting the engine.
Starting the Engine
- Ensure the parking brake is engaged.
- Place the cutting deck engagement lever in the disengaged position.
- Insert the key into the ignition switch and turn it to the 'START' position. Release once the engine starts.
Driving and Maneuvering
The STIGA Estate 598 W features a hydrostatic pedal transmission for smooth speed control.
- Use the forward pedal to move forward and the reverse pedal to move backward.
- Steer using the ergonomic steering wheel.

Figure 3: The ergonomic steering wheel and control panel for easy operation.

Figure 4: Foot pedals for controlling the hydrostatic transmission.
Cutting Modes and Height Adjustment
The mower offers three cutting modes: collection, rear discharge, and mulching. It also has seven adjustable cutting heights (25 to 80 mm).
- Collection: For collecting grass clippings into the 240-liter rear collector.
- Rear Discharge: For ejecting clippings from the rear of the machine.
- Mulching: Use the included mulching plug to finely chop clippings and return them to the lawn as natural fertilizer.
- Adjust the cutting height using the lever located near the operator's seat.

Figure 5: The large 240-liter grass collector at the rear of the mower.
Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your lawn mower.
Cleaning
- Cutting Deck: Use the integrated wash tube to easily clean the underside of the cutting deck after each use. This prevents grass accumulation and corrosion.
- Exterior: Clean the exterior surfaces with a damp cloth. Avoid using high-pressure washers directly on electrical components.
Engine Maintenance
- Oil Change: Refer to the engine manual for recommended oil change intervals and type.
- Air Filter: Inspect and clean or replace the air filter regularly, especially in dusty conditions.
- Spark Plug: Check and replace the spark plug as recommended.

Figure 6: The engine compartment, showing the robust 586cc twin-cylinder engine.
Blade Maintenance
- Regularly inspect the cutting blades for sharpness and damage.
- Sharpen or replace blades as needed. Always use genuine STIGA replacement parts.
Troubleshooting
This section provides solutions to common operational issues. For more complex problems, contact a qualified service technician.
| Problem | Possible Cause | Solution |
|---|---|---|
| Engine won't start | No fuel; Dead battery; Spark plug issue; Safety switch disengaged | Check fuel level; Charge/replace battery; Inspect/replace spark plug; Ensure all safety switches (seat, brake) are engaged |
| Poor cut quality | Dull blades; Incorrect cutting height; Wet grass; Engine speed too low | Sharpen/replace blades; Adjust cutting height; Mow when grass is dry; Increase engine RPM |
| Excessive vibration | Bent blade; Loose components; Unbalanced cutting deck | Inspect blades for damage; Tighten all fasteners; Check deck leveling |
Specifications
Key technical specifications for the STIGA Estate 598 W Lawn Mower:
- Model Number: 2T2630481/ST2
- Engine: STIGA Twin-Cylinder, 586 cm3
- Cutting Deck Width: 98 cm (38.6 inches)
- Cutting Heights: 7 positions, 25 - 80 mm (1 - 3.15 inches)
- Grass Collector Volume: 240 Liters
- Transmission: Hydrostatic (Pedal Operated)
- Product Dimensions (L x W x H): 233.8 x 102 x 110 cm (92 x 40.2 x 43.3 inches)
- Weight: 165 kg (363.8 lbs)
- Power Source: Thermal (Gasoline)
- Headlights: LED
Warranty and Support
For warranty information, please refer to the warranty card included with your product or visit the official STIGA website. Keep your proof of purchase for warranty claims.
For technical support, spare parts, or service, please contact your authorized STIGA dealer or customer service representative.