Husqvarna Model YTH24V48 Parts Manual

The Husqvarna Model YTH24V48 is a 24-horsepower, 48-inch cutting deck, V-twin engine riding lawn tractor designed for residential and light commercial use. This manual provides detailed parts identification, exploded diagrams, and ordering information for the engine, transmission, cutting deck, electrical system, controls, and chassis components. Below are key sections for parts overview, engine components, deck assembly, drive system, controls, maintenance parts, and ordering.

1. Parts Overview & Identification 2. Engine Assembly & Components 3. Cutting Deck & Blade System 4. Drive Train & Transmission 5. Chassis, Frame & Wheels 6. Controls & Electrical System 7. Belts, Pulleys & Spindles 8. Maintenance & Wear Parts 9. Safety & Decals 10. Exploded Diagrams Reference 11. Parts Ordering & Support

Parts Overview & Identification

Key assemblies: Engine (Kohler or Briggs & Stratton V-twin), Cutting Deck (48-inch fabricated), Transmission (Hydrostatic), Chassis, Controls.

Assembly Group	Description
Engine Assembly	Complete V-twin engine with air filter, carburetor, muffler, fuel system
Cutting Deck	48-inch stamped or fabricated deck housing, blades, spindle assemblies
Drive System	Hydrostatic transmission, drive belt, pulleys, axle
Chassis & Frame	Steel frame, front axle, steering components, seat mounting
Controls	Steering wheel, brake pedal, throttle, PTO lever, ignition switch
Electrical System	Battery, starter, alternator, wiring harness, safety switches
Wheels & Tires	Front (15x6.00-6) and rear (20x10.00-8) tires with rims
Belts & Pulleys	Drive belt, deck belts, idler pulleys, tensioners
Safety Components	Seat switch, brake interlock, blade engagement switch
Decals & Labels	Model identification, safety warnings, operation instructions

Engine Assembly & Components

Engine model varies; common: Kohler Courage SV730 or Briggs & Stratton Intek V-twin.

Cylinder Head & Valves: Includes head gasket, valves, springs, rocker arms.
Crankshaft & Piston: Piston rings, connecting rod, crankshaft seals.
Fuel System: Carburetor, fuel pump, fuel lines, fuel filter, gas tank.
Air Intake: Air filter housing, pre-cleaner, intake manifold.
Exhaust: Muffler, exhaust pipe, heat shield, gaskets.
Lubrication: Oil filter, dipstick, oil drain tube.
Ignition: Spark plugs, ignition coil, flywheel, key switch.

WARNING! Disconnect spark plug before servicing engine parts. Use genuine OEM parts for compatibility.

Cutting Deck & Blade System

48-inch cutting width; three-blade system with independent spindles.

Deck Shell: Fabricated steel housing, reinforcement braces, mounting brackets.
Blade Spindles: Spindle housing, bearings, seals, pulley, retaining nuts.
Blades: High-lift mulching blades (part #532404614).
Deck Lift: Lift arms, adjustment lever, height adjustment pins.
Deck Belt: V-belt routing around electric clutch and idler pulleys.
Skid Shoes & Guards: Wear parts for deck height adjustment and protection.

CAUTION! Ensure blades are balanced and tightened to specification. Replace in sets.

Drive Train & Transmission

Transmission: Tuff Torq K46 or equivalent hydrostatic unit.
Drive Belt: Gates 5/8" x 85.5" (part #532406435).
Pulleys: Engine drive pulley, transmission input pulley, idler pulleys.
Axle & Hubs: Rear axle assembly, wheel hubs, retaining pins.
Brake System: Disc brake pad, caliper, brake rod.
Hydrostatic Linkage: Control lever, neutral return spring, adjustment rod.

Chassis, Frame & Wheels

Heavy-duty steel frame with welded construction.

Front Axle: Pivoting axle assembly, spindle arms, bushings, kingpins. Steering: Steering gear, tie rods, drag link, steering wheel. Seat: High-back seat, seat plate, suspension springs, mounting bolts. Wheels: Front: 15x6.00-6 turf tires; Rear: 20x10.00-8 lug tires. Fenders: Steel fenders with rubber flaps.

Controls & Electrical System

12-volt electrical system with safety interlock circuitry.

Turn ignition key to OFF and disconnect battery before servicing.
Identify wiring harness color codes for proper connection.
Test safety switches (seat, brake, PTO) for continuity if issues arise.

Key Components: Ignition switch, PTO electric clutch, hour meter, ammeter, headlight switch, fuse holder, battery cables, starter solenoid, alternator stator.

Belts, Pulleys & Spindles

Critical wear items requiring periodic inspection and replacement.

Drive Belt: Connects engine to transmission.
Deck Belt: Connects electric clutch to deck spindles.
Idler Pulleys: Spring-loaded tensioners for belt routing.
Spindle Assemblies: Includes bearing cartridge, housing, and pulley.
Electric Clutch: Engages cutting deck; includes coil and rotor.

WARNING! Always release tension and disconnect spark plug before replacing belts.

Maintenance & Wear Parts

Regularly replace to ensure optimal performance and longevity.

Part	Description	Recommended Interval
Air Filter	Paper element with foam pre-cleaner	Every 25 hours
Oil Filter	Spin-on filter (varies by engine)	Every 50 hours
Spark Plugs	Champion RC12YC or equivalent	Every 100 hours
Blades	Mulching blades, set of 3	Seasonally or when dull
Belts	Drive and deck belts	Inspect annually
Fuel Filter	In-line fuel filter	Every 50 hours
Battery	12V, 280 CCA	Replace as needed

Safety & Decals

Decals provide critical safety and operational information.

Replace if damaged, illegible, or missing. Common decals: Operation Instructions, Blade Engagement Warning, Slope Warning, Tire Pressure, Model & Serial Number.

Exploded Diagrams Reference

Refer to detailed exploded-view diagrams for accurate parts identification and assembly relationships.

Diagram 1: Engine Assembly (Sheet 1)
Diagram 2: Cutting Deck & Spindles (Sheet 2)
Diagram 3: Drive Train & Transmission (Sheet 3)
Diagram 4: Chassis & Controls (Sheet 4)
Diagram 5: Electrical System (Sheet 5)

Note: Each diagram includes reference numbers corresponding to the parts list.

Parts Ordering & Support

Step	Action	Details
1. Identify Part	Use exploded diagram and part number from manual.	Record the 10-digit part number (e.g., 532404614).
2. Verify Model	Confirm tractor model (YTH24V48) and serial number.	Serial number located on frame under seat.
3. Contact Dealer	Order through authorized Husqvarna dealer.	Provide part number, model, and serial number.
4. Online Ordering	Visit official Husqvarna parts website.	Enter model number to view parts diagrams and order.
5. Support	For technical assistance or warranty.	Contact Husqvarna Customer Support: 1-800-487-5962.

Warranty: Parts may be covered under original equipment warranty; retain proof of purchase.

Website: www.husqvarna.com/us/support/parts-manuals/