The Husqvarna YT42XLS is a 42-inch riding lawn mower featuring a powerful engine, hydrostatic transmission, and durable cutting deck. This parts manual provides detailed diagrams, part numbers, and ordering information for all major components including the engine, transmission, cutting system, chassis, electrical system, and controls. Below are key sections for identification, engine parts, deck assembly, drive system, electrical components, and maintenance.
Locate the model and serial number plate on the frame near the rear axle or under the seat. Key specifications for the YT42XLS.
| Feature | Description |
|---|---|
| Cutting Width | 42 inches (107 cm) |
| Engine | Kawasaki FR691V or Briggs & Stratton Intek V-Twin (varies by model year) |
| Transmission | Tuff Torq K46 Hydrostatic |
| Deck Type | Stamped steel, 3-blade |
| Fuel Capacity | 2.5 gallons (9.5 L) |
| Oil Capacity | Approx. 2 quarts (1.9 L) with filter |
| Seat | High-back, adjustable |
| Wheels | Front: 15 x 6.00-6, Rear: 20 x 10.00-8 |
| Weight | Approx. 500 lbs (227 kg) |
| Manufacturer | Husqvarna Group |
Detailed parts list for the engine assembly. Always verify engine model number for exact parts.
WARNING! Disconnect spark plug wire before servicing engine. Use genuine Husqvarna parts for optimal performance and safety.
Parts for the 42-inch cutting deck, spindle assemblies, blades, and mounting hardware.
CAUTION! Ensure deck is securely supported and blades are stopped before servicing. Always replace blades in sets.
Main frame, body panels, and structural components.
Frame: Welded steel mainframe, reinforcement plates. Body Panels: Hood, side panels, footrests, fender deck. Seat & Mounting: Seat assembly, seat slide adjustment, seat spring. Step & Platform: Entry step, floor mat. Rollover Protection (if equipped): ROPS frame mounting brackets.
Wiring harness, battery, switches, lights, and sensors.
Key Components: Battery (12V, 280 CCA), starter solenoid, ignition switch, safety interlock switches (seat, brake, PTO), headlights (if equipped), voltage regulator, alternator (stator), fuses (20A, 30A).
Parts for the control panel, levers, pedals, and instrumentation.
WARNING! Ensure all safety interlock systems are functional and properly adjusted after parts replacement.
Part numbers for all drive and deck belts, plus associated pulleys.
| Belt/Pulley Description | Part Number (Example) | Application |
|---|---|---|
| Main Drive Belt | 532 16 72-05 | Engine to transmission |
| Deck Drive Belt | 532 16 74-16 | PTO to deck spindles |
| Idler Pulley (Flat) | 532 14 08-25 | Belt tensioner |
| Idler Pulley (V-Groove) | 532 14 08-47 | Deck belt guide |
| PTO Clutch Pulley | 581 75 01-02 | Electric clutch assembly |
Tip: Always check belt routing diagram. Replace worn pulleys when replacing belts.
Common bolts, nuts, washers, pins, and clips used throughout the mower.
Includes: Deck mounting bolts (3/8"-16 x 1"), spindle housing bolts, wheel lug nuts, frame bolts, cable clips, hitch pins, hairpin cotters, push nuts.
CAUTION! Use only grade-specified hardware. Do not substitute with lower-grade fasteners.
Recommended consumable parts for regular service.
| Step | Action | Details |
|---|---|---|
| 1. Identify Part | Use diagrams and part numbers in this manual. | Note the 10-digit Husqvarna part number. |
| 2. Verify Model | Confirm your YT42XLS model and serial number. | Parts vary by production year. |
| 3. Order Source | Contact authorized Husqvarna dealer or online parts store. | Provide part number and serial number. |
| 4. Technical Support | For installation questions or diagrams. | Contact Husqvarna Customer Support. |
| 5. Warranty | Check warranty status for covered parts. | Have proof of purchase ready. |
Support Contacts: Husqvarna USA: 1-800-487-5962; Website: www.husqvarna.com/us; Dealer Locator: Available on website.
Disclaimer: Parts information subject to change. Always confirm part number with your dealer using your serial number.