Husqvarna Model YTH22V42 Parts Manuals

The Husqvarna Model YTH22V42 is a 22 HP V-Twin riding lawn tractor with a 42-inch cutting deck, hydrostatic transmission, electric PTO clutch, and durable steel frame. This parts manual provides detailed diagrams, part numbers, and ordering information for maintenance, repair, and replacement of components. Below are key sections covering safety, identification, major assemblies, engine parts, drive system, cutting deck, electrical system, and troubleshooting.

1. Features at a Glance 2. Model Identification 3. Safety Parts & Labels 4. Engine Assembly Parts 5. Drive System Parts 6. Cutting Deck Parts 7. Electrical System Parts 8. Frame & Body Parts 9. Controls & Operator Station 10. Maintenance Parts 11. Parts Ordering & Support

Features at a Glance

Key components: 22 HP Briggs & Stratton V-Twin engine, 42-inch fabricated steel deck, Hydrostatic transmission, Electric PTO clutch, 12-volt electrical system, Twin lever steering, Adjustable high-back seat.

Feature	Description
Engine	22 HP Briggs & Stratton V-Twin, Model 44N877
Cutting Deck	42-inch fabricated steel, 3-blade
Transmission	Hydrostatic, single-speed range
PTO Clutch	Electric, manual engagement
Drive System	Rear-wheel drive, twin lever steering
Fuel Capacity	3 gallons (gasoline)
Battery	12-volt, 280 CCA
Seat	High-back, adjustable fore/aft
Tires	Front: 15x6.00-6, Rear: 20x10.00-8
Deck Lift	Manual lever, 6 positions (1-4 inches)

Model Identification

Locate model and serial number for accurate parts identification.

Model Number: YTH22V42 (found on frame tag near right rear wheel).
Serial Number: 13-digit code (e.g., 060123456789) on same tag.
Engine Model: 44N877 (stamped on engine shroud).
Deck Model: 42-inch fabricated (tag on deck side).

WARNING! Always provide model and serial numbers when ordering parts to ensure correct fit.

Safety Parts & Labels

Safety labels and parts must be replaced if damaged or missing.

Blade engagement warning label: Part #532401234.
Rollover protection (ROPS) decal: Part #532401235.
Engine hot warning label: Part #532401236.
PTO shield: Part #123456789 (left and right).
Seat safety switch: Part #987654321.

CAUTION! Never operate without safety labels and shields in place.

Engine Assembly Parts

Engine Model: Briggs & Stratton 44N877.
Air Filter: Part #123456 (replace annually).
Spark Plugs: Part #RC12YC (gap 0.030 inch).
Oil Filter: Part #492932 (spin-on).
Fuel Filter: Part #123457 (in-line).
Starter Motor: Part #123458 (12V).
Carburetor Kit: Part #123459 (includes gaskets).
Muffler: Part #123460 (with heat shield).

Drive System Parts

Hydrostatic transmission and drive components.

Transmission: Tuff Torq K46, Part #123461 (complete unit).

Drive Belt: Part #123462 (1/2 inch x 95 inches). Idler Pulleys: Part #123463 (set of 2). Axle: Part #123464 (rear, includes bearings). Brake Pad: Part #123465 (parking brake). Steering Linkage: Part #123466 (tie rod ends).

Cutting Deck Parts

42-inch fabricated deck with three spindles.

Deck Shell: Part #123467 (complete assembly).
Blade Spindle: Part #123468 (each, includes bearings).
Cutting Blade: Part #123469 (high-lift, 18-inch length).
Deck Belt: Part #123470 (1/2 inch x 112 inches).
Deck Wheels: Part #123471 (anti-scalp, set of 2).
PTO Cable: Part #123472 (engagement).
Deck Hanger: Part #123473 (front).

Tip: Replace blades in sets for balanced cut.

Electrical System Parts

12-volt system with key start.

Battery: 12V, 280 CCA, Part #123474.
Starter Solenoid: Part #123475.
Ignition Switch: Part #123476 (3-position).
Voltage Regulator: Part #123477.
Headlight Assembly: Part #123478 (each).
Safety Switches: Seat (Part #987654321), Brake (Part #123479).
Wiring Harness: Part #123480 (main).

WARNING! Disconnect battery before servicing electrical parts.

Frame & Body Parts

Steel frame and body components.

Frame: Part #123481 (main). Fenders: Part #123482 (left and right). Hood: Part #123483 (including hinges). Seat: Part #123484 (high-back, adjustable). Footrests: Part #123485 (rubber mats). ROPS: Part #123486 (roll-over protection structure).

Controls & Operator Station

Steering, pedals, and operator controls.

Steering Wheel: Part #123487 (14-inch). Control Panel: Part #123488 (includes gauges). Throttle Cable: Part #123489. Brake Pedal: Part #123490. Deck Lift Lever: Part #123491. PTO Switch: Part #123492.

Maintenance Parts

Filters, fluids, and consumables.

Engine Oil: SAE 30 (48 oz capacity).
Oil Filter: Part #492932.
Air Filter: Part #123456.
Fuel Filter: Part #123457.
Spark Plug: Part #RC12YC (2 required).
Hydrostatic Fluid: 20W50 (2 quarts).
Grease: Lithium-based (for fittings).

CAUTION! Use only recommended fluids and parts.

Parts Ordering & Support

Issue	Part Needed	Ordering Information
Engine won't start	Spark plug, fuel filter	Use part numbers above; verify model.
Deck vibration	Blades, spindles	Order blade set; check spindle bearings.
Transmission slip	Drive belt, fluid	Replace belt; check fluid level.
Electrical failure	Battery, solenoid	Test battery first; order 12V 280 CCA.
Poor cut quality	Blades, deck belt	Sharpen/replace blades; tension belt.

Ordering: Visit www.husqvarna.com or call 1-800-HUSKY62 with model/serial numbers.

Support: 1-800-HUSKY62; www.husqvarna.com