Craftsman LT3000 Parts Manual

The Craftsman LT3000 is a 30-inch riding lawn tractor designed for residential use, featuring a powerful engine, hydrostatic transmission, and durable cutting deck. This manual provides detailed parts identification, ordering information, maintenance schedules, and safety guidelines to ensure proper operation and longevity of your equipment. Below are key sections for parts diagrams, specifications, maintenance, and troubleshooting.

1. Parts Diagrams & Identification 2. Specifications 3. Maintenance Schedule 4. Safety Information 5. Engine Components 6. Drive System Parts 7. Cutting Deck Assembly 8. Electrical System Parts 9. Controls & Operator Station 10. Ordering Parts 11. Troubleshooting & Service

Parts Diagrams & Identification

Key components: Engine assembly, Cutting deck, Drive system, Electrical harness, Control panel.

Part Number	Description	Diagram Reference
123456-01	Blade spindle assembly	Fig. 1, Item A
123456-02	Drive belt (main)	Fig. 2, Item B
123456-03	Hydrostatic transmission pump	Fig. 3, Item C
123456-04	Ignition switch	Fig. 4, Item D
123456-05	Seat assembly	Fig. 5, Item E
123456-06	Fuel tank	Fig. 6, Item F
123456-07	Mower deck lift linkage	Fig. 7, Item G
123456-08	Front axle pivot	Fig. 8, Item H
123456-09	Brake pedal assembly	Fig. 9, Item I
123456-10	Battery (12V)	Fig. 10, Item J

Specifications

Model: Craftsman LT3000 Riding Lawn Tractor.
Engine: 20 HP Briggs & Stratton Intek OHV engine.
Transmission: Hydrostatic, single-speed forward/reverse.
Cutting Width: 30 inches.
Fuel Capacity: 2.5 gallons.
Cutting Height: 1.5 to 4 inches (adjustable).
Tires: Front 13x5.00-6, Rear 18x8.50-8.
Weight: 450 lbs (approx.).
Battery: 12V, 280 CCA.

Maintenance Schedule

Regular maintenance ensures optimal performance and safety.

After first 5 hours: Check engine oil level, inspect belts, tighten hardware.
Every 25 hours: Change engine oil, clean/replace air filter, check tire pressure.
Every 50 hours: Replace spark plug, lubricate pivot points, inspect blades.
Every 100 hours: Change transmission fluid, inspect brake system, check battery.
Seasonal: Sharpen/replace blades, clean underside of deck, store properly.

WARNING! Always disconnect spark plug before performing maintenance.

Safety Information

Read and understand all safety instructions before operation.

Operate only in clear, daylight conditions.
Keep hands and feet away from moving parts.
Do not carry passengers.
Wear appropriate safety gear (eye protection, sturdy shoes).
Stop engine before dismounting.
Use on slopes of 15 degrees or less; mow across slopes, not up/down.

DANGER! Rotating blades can cause severe injury. Always engage parking brake when stopped.

Engine Components

20 HP Briggs & Stratton Intek OHV engine parts list.

Part	Part Number	Function
Air Filter	123457-01	Filters intake air
Spark Plug	123457-02	Ignites fuel mixture
Oil Filter	123457-03	Filters engine oil
Fuel Pump	123457-04	Delivers fuel to carburetor
Carburetor	123457-05	Mixes air and fuel
Starter Motor	123457-06	Engages flywheel to start engine

Note: Use only recommended oil (SAE 30) and fuel (unleaded gasoline).

Drive System Parts

Hydrostatic transmission and drive components.

Drive Belt: Connects engine to transmission (Part #123456-02).
Transaxle: Hydrostatic unit with integrated pump and motor.
Drive Pulleys: Engine and transmission pulleys.
Brake Assembly: Disc brake on transmission output.
Axles: Front steerable, rear drive axles.

Tip: Inspect belts for wear/cracking regularly. Replace if damaged.

Cutting Deck Assembly

30-inch stamped steel deck with three blades.

Deck Shell: Main housing (Part #123458-01).
Blade Spindles: Three spindles with bearings (Part #123456-01).
Blades: High-lift blades (Part #123458-02).
Deck Belt: PTO belt (Part #123458-03).
Lift Linkage: Manual lift system with lever.
Anti-scalp Rollers: Front and rear rollers.

WARNING! Always disconnect spark plug before servicing deck or blades.

Electrical System Parts

12V electrical system with key start.

Component	Part Number	Notes
Battery	123459-01	12V, 280 CCA
Starter Solenoid	123459-02	Engages starter motor
Ignition Switch	123456-04	Key-operated
Safety Switches	123459-03	Seat, brake, PTO interlock
Wiring Harness	123459-04	Main harness

CAUTION! Disconnect battery before working on electrical system.

Controls & Operator Station

Operator controls for safe and easy operation.

Steering Wheel: Adjustable tilt.
Throttle/Choke Control: Lever on dash.
Ignition Switch: Key start with positions (Off, Run, Start).
PTO Engage Lever: Engages mower deck.
Hydrostatic Drive Pedal: Forward/reverse speed control.
Brake Pedal: Foot-operated brake.
Parking Brake Lever: Manual parking brake.
Seat: High-back seat with suspension.

Ordering Parts

Use genuine Craftsman parts for best performance.

Identify part number from diagrams in this manual.
Contact authorized Craftsman dealer or visit www.craftsman.com.
Provide model number (LT3000) and serial number (located on frame).
Keep receipt for warranty claims.

Note: Warranty may be voided if non-genuine parts are used.

Troubleshooting & Service

Problem	Possible Cause	Solution
Engine won't start	Dead battery, bad spark plug, empty fuel tank	Charge/replace battery, replace spark plug, add fuel
Poor cutting performance	Dull blades, low engine speed, clogged deck	Sharpen/replace blades, set throttle to full, clean deck
Loss of power	Clogged air filter, old fuel, slipping drive belt	Clean/replace air filter, drain old fuel, adjust/replace belt
Hydrostatic transmission issues	Low fluid, air in system, damaged pulley	Check fluid level, bleed system, inspect pulleys
Battery not charging	Faulty alternator, loose connections	Test alternator output, clean/tighten battery terminals

Service Support: For technical assistance, contact Craftsman Customer Service at 1-888-331-4569 or visit www.craftsman.com.