The Husqvarna YT46LS is a 46-inch lawn tractor designed for residential use, featuring a powerful engine, hydrostatic transmission, and durable cutting deck. This parts manual provides detailed diagrams, part numbers, and ordering information for maintenance, repair, and replacement of components. Below are key sections covering identification, engine parts, drive system, cutting deck, electrical system, and ordering procedures.
Locate model and serial number plate on frame near right rear wheel. Key specifications: 46-inch cutting width, hydrostatic drive, Briggs & Stratton or Kohler engine options.
| Component | Specification |
|---|---|
| Model Number | YT46LS (example: 96043012300) |
| Cutting Width | 46 inches (116.8 cm) |
| Engine Type | Gasoline, OHV, single cylinder |
| Transmission | Hydrostatic, infinite forward/reverse |
| Deck Material | 12-gauge steel |
| Fuel Capacity | 2.5 gallons (9.5 liters) |
| Weight | Approx. 500 lbs (227 kg) |
| Tire Size (Front) | 15 x 6.00-6 |
| Tire Size (Rear) | 20 x 10.00-8 |
| Blade Type | Dual, high-lift |
Engine parts include cylinder, piston, crankshaft, carburetor, air filter, muffler, and fuel system.
WARNING! Disconnect spark plug before servicing engine. Use genuine Husqvarna parts for optimal performance.
Hydrostatic transmission parts: pump, motor, drive belt, axle, and differential.
CAUTION! Transmission contains hydraulic fluid under pressure. Depressurize before disassembly.
Battery, starter, alternator, switches, and wiring harness.
Key Parts: Battery (12V, 300 CCA), Starter Solenoid, Ignition Switch, Safety Switch (seat), Headlight Assembly, Wiring Harness (main).
Diagram references: Battery Part # 456789-01, Starter Solenoid Part # 456789-02, Ignition Switch Part # 456789-03, Seat Switch Part # 456789-04, Headlight Part # 456789-05, Main Harness Part # 456789-06.
Steering wheel, pedals, levers, seat, and dashboard.
Tip: Lubricate control linkages periodically for smooth operation.
Frame, fenders, hood, and grille.
WARNING! Inspect frame for cracks or damage regularly. Replace damaged components immediately.
Bolts, nuts, washers, pins, and clips specific to YT46LS.
| Description | Part Number | Size/Type |
|---|---|---|
| Blade Bolt | 789012-01 | 5/8"-18 UNC |
| Spindle Nut | 789012-02 | 3/4"-16 UNF |
| Deck Hanger Pin | 789012-03 | 3/8" x 2.5" |
| Spring Clip | 789012-04 | #10 |
| Wheel Bearing | 789012-05 | 3/4" ID |
| Belt Keeper | 789012-06 | Plastic |
Air filter, oil filter, fuel filter, spark plug, and lubrication items.
CAUTION! Replace filters as per maintenance schedule. Use recommended fluids.
Always follow safety guidelines: disconnect spark plug, engage parking brake, and wait for all moving parts to stop before servicing. Use proper tools and personal protective equipment.
| Issue | Solution | Contact Information |
|---|---|---|
| Identify part | Use diagrams and part numbers in this manual | Refer to section diagrams |
| Order parts | Contact authorized Husqvarna dealer with part number | www.husqvarna.com |
| Technical support | Call customer service for assembly/installation help | 1-800-487-5962 |
| Warranty claims | Provide model/serial number and proof of purchase | See warranty booklet |
| Manual download | Visit Husqvarna website support section | www.husqvarna.com/us/support |
Note: Part numbers are subject to change. Verify with dealer before ordering.
Service: 1-800-487-5962; www.husqvarna.com