Husqvarna YTH2448 Parts Manual

The Husqvarna YTH2448 is a 24-horsepower, 48-inch cutting deck riding lawn tractor designed for residential use. This parts manual provides detailed diagrams, part numbers, and ordering information for the engine, transmission, cutting deck, electrical system, controls, and chassis components to facilitate maintenance, repair, and replacement. Below are key sections for identification, engine parts, deck assembly, drive system, controls, and ordering.

1. Model Identification & Specifications 2. Engine Components 3. Cutting Deck Assembly 4. Drive System & Transmission 5. Controls & Electrical System 6. Chassis & Body Parts 7. Fasteners & Hardware 8. Maintenance Parts 9. Safety Information 10. Parts Ordering Guide 11. Troubleshooting & Common Replacements

Model Identification & Specifications

Locate the model and serial number plate on the frame under the seat or on the dashboard. Key specifications for the YTH2448.

FeatureDescription
ModelYTH2448 (24 HP, 48" Deck)
EngineBriggs & Stratton Intek 24 HP V-Twin OHV
Cutting Width48 inches (122 cm)
TransmissionHydrostatic, Foot Pedal Control
Fuel Capacity3 gallons (11.4 liters)
Oil Capacity2 quarts (1.9 liters) with filter
Battery12V, 280 CCA
Tire Size (Front)15 x 6.00-6
Tire Size (Rear)20 x 10.00-8
Deck EngagementElectric PTO Clutch

Engine Components

Parts for the Briggs & Stratton 44N877-0007-G1 24HP engine. Always disconnect spark plug before servicing.

  1. Cylinder & Piston Assembly: Includes piston rings, connecting rod, gaskets.
  2. Crankshaft & Camshaft: Main bearings, timing gears, oil seals.
  3. Cylinder Head: Valves, springs, pushrods, rocker arms, head gasket.
  4. Fuel System: Carburetor, fuel pump, air filter, fuel lines.
  5. Ignition System: Spark plugs, ignition coils, flywheel, key.
  6. Lubrication System: Oil filter, dipstick, oil drain tube.
  7. Cooling System: Cooling fins, blower housing, fan.
  8. Electrical: Starter motor, alternator, wiring harness.

WARNING! Engine parts are under high pressure and temperature. Allow engine to cool completely before disassembly.

Cutting Deck Assembly

48-inch stamped steel deck with three spindle assemblies. Refer to deck diagram for part locations.

  1. Deck Shell: Main housing, reinforcement brackets.
  2. Spindle Assemblies: Spindle housing, bearings, seals, pulleys (left, right, center).
  3. Blades: Mulching or high-lift blades (part number 532 40 66-01).
  4. Belt Drive: Deck drive belt (144959), idler pulleys, tension arm.
  5. Deck Lift: Lift lever, linkage rods, brackets.
  6. Guides & Shields: Deck baffles, discharge chute, skid shoes.

CAUTION! Ensure deck is fully lowered and ignition off before reaching under deck. Always replace blades in sets.

Drive System & Transmission

Controls & Electrical System

Dashboard and control components. Use wiring diagram for electrical troubleshooting.

Dashboard: Ignition switch, PTO switch, headlight switch, hour meter, fuse panel.

Safety Switches: Seat switch, brake switch, reverse operation system (ROS) module.

Electrical Components: Battery, solenoid, voltage regulator, headlights, taillights.

Control Levers: Throttle control, choke, deck lift lever, parking brake.

Pedals: Forward/reverse drive pedal, brake pedal.

Chassis & Body Parts

Frame, body panels, and seating. Ensure all bolts are torqued to specification.

  1. Turn off engine and remove key before accessing chassis parts.
  2. Support tractor securely with jack stands if lifting.
  3. Label wires and hoses before disconnection for reassembly.

Tip: Apply anti-seize compound to bolts in high-corrosion areas.

Fasteners & Hardware

Standard hardware kit includes bolts, nuts, washers, and pins used throughout tractor.

  1. Grade 5 & 8 Bolts: For structural and high-stress points.
  2. Deck Hardware: Blade bolts (5/8" fine thread), spindle nuts.
  3. Springs: Idler tension springs, return springs.
  4. Pins & Clips: Lynch pins, hairpin clips, cotter pins.
  5. Belts: Part numbers as specified in diagrams.
  6. Filters: Air filter (492932S), oil filter (492932S), fuel filter.
  7. Fluids: SAE 30 or 10W-30 oil, hydrostatic fluid (20W-50).

WARNING! Use only specified grade fasteners. Incorrect hardware can lead to failure and injury.

Maintenance Parts

Common wear items for scheduled maintenance. Follow maintenance schedule in operator's manual.

Safety Information

Always disconnect battery and spark plug before repairs. Wear safety glasses and gloves. Use jack stands—never rely solely on hydraulic jack.

CAUTION! Rotating blades and hot surfaces can cause severe injury. Allow system to cool and ensure all motion has stopped.

Parts Ordering Guide

When ordering parts, provide model number (YTH2448), serial number, and part number from diagram. Contact Husqvarna authorized dealer or visit www.husqvarna.com. For support in US/Canada: 1-800-487-5952. International: see local distributor.

Troubleshooting & Common Replacements

SymptomPossible CauseParts to Check/Replace
Engine won't startBattery, solenoid, safety switchesBattery, ignition switch, seat switch, solenoid.
Loss of power to deckPTO clutch, switch, beltElectric PTO clutch, PTO switch, deck belt.
Poor cut qualityDull blades, worn spindlesBlade set, spindle bearings, deck belt.
Hydrostatic drive issuesLow fluid, linkage, beltDrive belt, hydro fluid, control linkage.
Excessive vibrationUnbalanced blade, loose pulleyBlades, spindle assemblies, pulleys.

Note: Refer to detailed service manual for repair procedures beyond part replacement.

Service: 1-800-487-5952; www.husqvarna.com

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