Craftsman 944 Parts Manual

The Craftsman 944 is a versatile lawn and garden tractor known for its durability and performance. This manual provides a comprehensive guide to all parts, components, and assemblies for the Craftsman 944 model, including the engine, transmission, cutting deck, electrical system, and chassis. Below are key sections for identification, specifications, exploded diagrams, part numbers, ordering information, maintenance, and troubleshooting.

Model Identification & Specifications

Identify your Craftsman 944 using the model and serial number plate located on the frame. Key specifications include engine type, horsepower, cutting width, transmission type, and dimensions.

Feature	Specification
Model Series	944
Engine	Kohler Courage SV590, 19 HP, 2-cylinder
Cutting Width	42 inches / 48 inches (depending on deck option)
Transmission	Hydrostatic, 2-range (Hi/Lo)
Fuel Capacity	3.5 gallons
Oil Capacity (Engine)	1.5 quarts (with filter)
Battery	12V, 280 CCA
Weight	Approx. 550 lbs
Tire Size (Front)	15x6.00-6
Tire Size (Rear)	20x10.00-8

Engine Assembly & Components

Detailed parts breakdown for the Kohler Courage SV590 engine, including air filter, carburetor, ignition, cooling, and lubrication systems.

1. Cylinder & Piston Assembly: Includes piston rings, wrist pin, connecting rod.
2. Cylinder Head & Valves: Intake/exhaust valves, springs, pushrods, rocker arms.
3. Crankcase & Crankshaft: Main bearings, seals, oil pan.
4. Fuel System: Carburetor, fuel pump, fuel lines, fuel tank.
5. Ignition System: Spark plugs, ignition coil, flywheel, starter.
6. Cooling System: Cooling fins, blower housing, fan.
7. Lubrication: Oil filter, dipstick, oil drain plug.

WARNING! Disconnect spark plug wire before servicing engine. Allow engine to cool completely.

Drive Train & Transmission

Parts for the hydrostatic transmission, drive belt, pulleys, axles, and differential.

1. Hydrostatic Pump & Motor: Charge pump, trunnion arm, control linkage.
2. Drive Belt: Main drive belt (Part #144959), tensioner, idler pulleys.
3. Axle & Differential: Axle shafts, differential gear, bearings, seals.
4. Brakes: Disc brake pad, caliper, brake rod.
5. Transaxle: Fluid filter, cooling fan, relief valves.

CAUTION! Transmission contains hydraulic fluid under pressure. Relieve pressure before disassembly.

Cutting Deck & Blade System

• Deck Shell: 42-inch or 48-inch stamped steel deck.
• Spindles: Three spindle assemblies with sealed bearings.
• Blades: High-lift mulching blades (Part #134149).
• Belt: Deck drive belt (Part #144958).
• Deck Wheels: Anti-scalp rollers and wheels.
• Lift System: Deck lift linkage, height adjustment lever, springs.
• Mandrels: Blade adapters, spindle pulleys.

Electrical System & Wiring

Complete wiring diagram and parts for starting, charging, lighting, and safety systems.

Key Components: Battery, starter solenoid, ignition switch, voltage regulator, alternator, safety switches (seat, brake, PTO), headlights, fuses.

Wiring Harness: Main harness (Part #710-1107), connector plugs, ground cables.

Charging System: Stator, rectifier, battery cables.

Chassis, Steering & Brakes

Frame, steering gear, tie rods, front axle, and brake components.

1. Frame: Main frame assembly, mounting brackets.
2. Steering: Steering wheel, gearbox, drag link, tie rod ends.
3. Front Axle: Spindle arms, kingpins, bushings.
4. Brakes: Brake disc, caliper assembly, parking brake lever.
5. Wheels & Tires: Rims, valve stems, lug nuts.

Tip: Lubricate steering components regularly for smooth operation.

Controls & Operator Station

Parts for the operator area: seat, control levers, pedals, dash panel, and PTO engagement.

1. Seat: Seat assembly, seat switch, mounting bracket.
2. Control Levers: Hydrostatic speed control, deck lift lever, PTO engagement lever.
3. Pedals: Brake pedal, clutch pedal (if equipped).
4. Dash Panel: Ignition key switch, hour meter, light switch.
5. PTO Clutch: Electric PTO clutch (Part #917-04050), wiring.

WARNING! Ensure all safety switches are functional and properly adjusted.

Maintenance Schedule & Procedures

Recommended maintenance intervals and part numbers for filters, fluids, and wear items.

Interval	Service	Part Number
Every 8 hours	Check engine oil level	SAE 10W-30
Every 50 hours	Change engine oil & filter	Filter: 12 050 01-S
Every 100 hours	Replace air filter	Air Filter: 52 050 02
Every 200 hours	Replace spark plugs	Spark Plug: RC12YC
Every 300 hours	Change transmission fluid	Fluid: 737-2920 (20W-50)
Seasonally	Sharpen/replace blades	Blade: 134149
As needed	Replace drive belt	Belt: 144959

Parts Ordering & Exploded Views

Use exploded-view diagrams with call-out numbers to identify parts. Order parts using the correct part number from an authorized Craftsman dealer or parts distributor.

How to Order: Provide model number (944), serial number, and part number from this manual.

Online Resources: Visit www.craftsman.com/parts or contact 1-888-331-4569 for parts lookup and ordering.

CAUTION! Use only genuine Craftsman parts to ensure proper fit and performance.

Safety Information

Always follow safety procedures when servicing the Craftsman 944. Disconnect battery, relieve hydraulic pressure, and use proper tools.

Important Safety Rules:

• Read operator's manual before servicing.
• Use jack stands when lifting tractor.
• Keep hands and feet away from moving parts.
• Wear safety glasses and gloves.
• Work in a well-ventilated area.

Troubleshooting & Service Tips

Symptom	Possible Cause	Corrective Action
Engine won't start	Dead battery, faulty solenoid, bad ignition switch	Check battery voltage; test solenoid; inspect ignition switch and wiring.
Loss of power	Clogged air filter, old spark plugs, dirty fuel filter	Replace air filter; install new spark plugs; replace fuel filter.
Poor cutting performance	Dull blades, worn deck belt, improper deck level	Sharpen or replace blades; inspect and replace belt; level deck.
Hydrostatic transmission slips	Low fluid, worn drive belt, internal pump wear	Check fluid level; replace drive belt; inspect pump/motor.
Electrical issues (lights, PTO)	Blown fuse, faulty switch, broken wire	Check fuses; test switches; inspect wiring harness for damage.

Service Support: For technical assistance, call 1-888-331-4569 or visit www.craftsman.com/support.