Husqvarna GTH26K54T Manual User Guide

The Husqvarna GTH26K54T is a 26-horsepower Kohler engine riding lawn tractor with a 54-inch cutting deck, hydrostatic transmission, electric PTO clutch, and power steering. It features a comfortable high-back seat, headlights, cup holder, and a durable steel frame. Below are key sections for safety, features, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Assembly & Setup 3. Controls & Operation 4. Specifications 5. Maintenance Schedule 6. Cutting Deck Adjustment 7. Engine Care 8. Storage & Winterization 9. Safety Information 10. Warranty & Support 11. Troubleshooting

Features at a Glance

Key components: 26 HP Kohler engine, 54-inch fabricated mower deck, Hydrostatic transmission, Electric PTO clutch, Power steering, High-back seat, Headlights, Cup holder, Twin headlights.

Feature	Description
Engine	26 HP Kohler 7000 Series V-Twin, air-cooled
Cutting Width	54-inch fabricated steel deck
Transmission	Hydrostatic, infinite forward/reverse speeds
PTO Clutch	Electric engagement
Steering	Power-assisted
Seat	High-back, adjustable
Fuel Capacity	3.5 gallons
Headlights	Twin halogen headlights
Deck Lift	Manual lever, 1.5 to 4.5-inch cutting height
Warranty	Limited 3-year

Assembly & Setup

Unpack and inspect contents. Assemble with included tools.

Install steering wheel: Align and tighten bolt.
Attach seat: Mount using provided hardware.
Connect battery: Attach red (+) then black (-) cables.
Check tire pressure: Inflate to 14 PSI (front), 10 PSI (rear).
Add engine oil: Use SAE 10W-30, fill to dipstick mark.
Add fuel: Use fresh unleaded gasoline (87 octane minimum).

WARNING! Tractor is heavy; use assistance. Ensure all bolts are tightened securely.

Controls & Operation

Familiarize yourself with controls before starting.

Starting: Sit on seat, set parking brake, move PTO to OFF, turn key to START.
Driving: Release parking brake, press brake pedal to release transmission lock, use forward/reverse pedals.
Mowing: Engage PTO switch at desired engine speed, adjust cutting height with lever.
Stopping: Disengage PTO, set parking brake, turn key to OFF.

CAUTION! Always sit in seat when starting. Keep hands and feet away from moving parts.

Specifications

Engine: 26 HP Kohler 7000 Series V-Twin, OHV.
Cutting Deck: 54-inch fabricated, 3-blade.
Transmission: Hydrostatic, infinite speeds.
Fuel Capacity: 3.5 gallons.
Cutting Height: 1.5 to 4.5 inches (manual adjustment).
Turning Radius: 18 inches.
Weight: 580 lbs.
Warranty: 3-year limited.

Maintenance Schedule

Regular maintenance ensures longevity and performance.

Interval	Task
Before each use	Check engine oil, tire pressure, fuel level
First 5 hours	Change engine oil and filter
Every 50 hours	Change engine oil, check air filter, lubricate fittings
Every 100 hours	Replace air filter, spark plugs, check belts
Seasonally	Sharpen blades, check deck level

Tip: Refer to engine manual for detailed oil specifications.

Cutting Deck Adjustment

Proper deck adjustment ensures even cutting.

Level deck: Park on flat surface, set cutting height to middle position.
Measure blade height: Front should be 1/8 to 1/4 inch lower than rear.
Adjust: Turn adjustment nuts on lift links to level.
Check belt tension: Should deflect 1/2 inch under moderate pressure.

WARNING! Disconnect spark plug wire before adjusting deck or blades.

Engine Care

Kohler 7000 Series engine maintenance.

Oil change: Run engine to warm oil, drain via plug, refill with SAE 10W-30.
Air filter: Replace paper element; clean foam pre-filter if equipped.
Spark plugs: Gap at 0.030 inches, replace annually.
Fuel filter: Replace if clogged or annually.

CAUTION! Allow engine to cool before servicing. Use proper oil disposal methods.

Storage & Winterization

Prepare tractor for long-term storage.

Add fuel stabilizer: Run engine for 5 minutes to circulate.
Change oil: Replace oil and filter.
Remove battery: Store in cool, dry place; charge monthly.
Clean deck: Remove grass clippings and debris.
Cover: Use breathable cover to protect from dust.

Tip: Store in dry, sheltered location to prevent rust.

Safety Information

Always follow safety guidelines to prevent injury.

Wear eye protection, sturdy shoes, and hearing protection.
Clear mowing area of debris, rocks, and toys.
Never carry passengers.
Do not mow on slopes greater than 15 degrees.
Disengage PTO before crossing driveways or roads.

DANGER! Keep hands and feet away from rotating blades. Never operate without discharge chute or deflector in place.

Warranty & Support

Limited 3-year warranty for residential use. Proof of purchase required. For support, contact Husqvarna at 1-800-487-5962 or visit www.husqvarna.com. Register product online for warranty activation.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Engine won't start	Dead battery, clogged fuel filter, safety switch	Charge battery; replace fuel filter; ensure seat switch engaged.
Poor cutting performance	Dull blades, uneven deck, low engine speed	Sharpen blades; level deck; set throttle to full speed.
Excessive vibration	Unbalanced blade, loose belt, debris	Balance or replace blade; tighten belt; clean deck.
Hydrostatic transmission sluggish	Low fluid, air in system	Check fluid level; purge air per manual.
Battery not charging	Faulty alternator, loose connections	Test alternator output; clean and tighten terminals.

Reset: Disconnect battery for 30 minutes to reset electrical system if needed.

Service: 1-800-487-5962; www.husqvarna.com