Husqvarna YTH2448 Parts Manual

The Husqvarna YTH2448 is a 24 HP, 48-inch cutting deck riding lawn tractor designed for residential use. This manual provides detailed parts identification, diagrams, and ordering information for maintenance and repair. Below are key sections covering safety, engine components, drive system, cutting deck, electrical system, controls, and troubleshooting.

1. Features at a Glance 2. Safety Information 3. Engine Components 4. Drive System & Transmission 5. Cutting Deck & Blades 6. Electrical System 7. Controls & Operator Station 8. Frame & Body Parts 9. Maintenance Parts 10. Parts Ordering Information 11. Troubleshooting & Diagrams

Features at a Glance

Key components: 24 HP Briggs & Stratton engine, 48-inch fabricated cutting deck, Hydrostatic transmission, Electric PTO clutch, 2.5-gallon fuel tank, High-back seat, Headlights, Hour meter.

Feature	Description
Engine	24 HP Briggs & Stratton Intek V-Twin OHV
Cutting Deck	48-inch fabricated, 3-blade, adjustable cutting height
Transmission	Tuff Torq K46 Hydrostatic, infinite forward/reverse speeds
PTO Clutch	Electric, engages cutting blades
Fuel Capacity	2.5 gallons (gasoline)
Seat	High-back, adjustable suspension
Headlights	Two front headlights for low-light operation
Hour Meter	Tracks engine hours for maintenance scheduling
Deck Lift	Manual lever for cutting height adjustment
Brake System	Mechanical disc brake on transmission

Safety Information

Always disconnect spark plug before servicing. Use genuine Husqvarna parts.

Read operator's manual before any maintenance.
Wear safety glasses and gloves when handling parts.
Ensure tractor is on level surface, parking brake engaged.
Allow engine to cool before replacing parts.

WARNING! Use only approved replacement parts. Incorrect parts can cause injury or damage.

Engine Components

Parts for 24 HP Briggs & Stratton engine (model 44N877).

Air filter assembly (primary and secondary).
Spark plugs (Champion RC12YC or equivalent).
Fuel filter (in-line).
Oil filter (Briggs & Stratton 492932S).
Starter motor and solenoid.
Carburetor and gaskets.
Muffler and exhaust guard.
Engine belts (drive and PTO).

CAUTION! Torque bolts to specification. Over-tightening can damage components.

Drive System & Transmission

Transmission: Tuff Torq K46 Hydrostatic.
Drive Belt: ½" x 95" (Husqvarna part #532404552).
Idler Pulleys: Tensioner and guide pulleys.
Axle: Rear axle assembly with bearings.
Brake: Disc brake pad and caliper assembly.
Hydrostatic Fluid: 20W-50 motor oil or equivalent.
Transmission Filter: Internal spin-on filter.
Control Linkage: Forward/reverse pedal linkage rods.

Cutting Deck & Blades

48-inch fabricated deck parts. Access deck by removing deck pins and disconnecting PTO.

Blades: 3 high-lift blades (18.5" length, 2.5" width, 5/8" center hole). Part #532404552.

Spindles: Three spindle assemblies with bearings and pulleys. Belt: Deck drive belt (½" x 95"). Idlers: Deck idler pulleys and tension springs. Deck Shell: Main deck housing, baffles, and skid shoes. Lift System: Manual lift lever, rods, and brackets.

Electrical System

12-volt system with battery, starter, alternator.

Battery: 12V, 280 CCA (Group U1).
Starter Solenoid: 12V, 4-terminal.
Alternator: 15-amp charging system.
PTO Switch: Electric clutch engagement switch.
Ignition Switch: Key start with positions (off, run, start).
Fuses: 20-amp and 30-amp blade fuses.
Wiring Harness: Main harness and connectors.

Tip: Disconnect battery negative terminal before electrical work.

Controls & Operator Station

Parts for operator area and controls.

Seat: High-back seat with suspension springs.
Steering Wheel: 13-inch diameter with hub.
Pedals: Forward/reverse speed pedal, brake pedal.
Control Panel: Ignition, PTO switch, hour meter, light switch.
Levers: Deck lift lever, parking brake lever.
Dashboard: Plastic dash panel with decals.
Footrests: Left and right foot platforms.

WARNING! Ensure all controls move freely without binding.

Frame & Body Parts

Structural components and body panels.

Frame: Main welded steel frame. Hood: Front hood with latches and hinges. Fenders: Left and right rear fenders. Grille: Front grille and headlight housing. Deck Chute: Grass discharge chute and deflector. Wheels: Front (15x6.00-6) and rear (20x10.00-8) wheels and tires. Bumper: Front bumper assembly.

Maintenance Parts

Common replacement parts for routine maintenance.

Oil: SAE 30 or 10W-30 (48 oz capacity).
Air Filter: Primary foam and paper secondary.
Spark Plugs: Two required, gap 0.030".
Fuel Filter: In-line, replace annually.
Blades: Sharpen or replace when dull.
Belts: Inspect for cracks, replace if worn.
Hydrostatic Fluid: Change every 500 hours.
Grease: Lithium grease for fittings.

CAUTION! Follow maintenance schedule in operator's manual.

Parts Ordering Information

Use model number YTH2448 and serial number when ordering. Contact Husqvarna dealer or visit www.husqvarna.com. Warranty: 2-year limited warranty; some parts may have longer coverage. Keep receipt and record serial number.

Troubleshooting & Diagrams

Symptom	Possible Cause	Parts to Check
Engine won't start	Battery, spark plugs, fuel filter	Battery, spark plugs, fuel filter, ignition switch
Poor cutting performance	Dull blades, worn belt	Blades, deck belt, spindle bearings
Transmission slips	Low fluid, worn belt	Drive belt, transmission fluid, filter
PTO won't engage	Switch, clutch, fuse	PTO switch, electric clutch, fuse, wiring
Excessive vibration	Unbalanced blades, loose parts	Blades, spindle pulleys, deck mounts

Diagrams: Refer to exploded-view diagrams for part numbers and assembly.

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