Craftsman T140 Parts Manual

The Craftsman T140 is a 42-inch riding lawn tractor designed for residential use, featuring a 19.5 HP Briggs & Stratton engine, 6-speed manual transmission, electric start, and a durable steel frame. This parts manual provides detailed diagrams, part numbers, and ordering information for all major components including the engine, transmission, cutting deck, steering system, electrical system, and safety components. Below are key sections for identification, engine parts, drive train, cutting system, controls, and maintenance.

Model Identification & Specifications

Locate your model and serial number plate on the frame under the seat. This information is required for ordering correct parts.

Feature	Description
Model Series	T140 (42-inch Riding Tractor)
Engine	19.5 HP Briggs & Stratton, Single Cylinder, OHV
Transmission	6-Speed Manual, Peerless
Cutting Width	42 inches
Deck Type	Stamped Steel, 3-Blade
Fuel Capacity	2.5 Gallons
Drive System	Rear Wheel Drive
Starting System	Electric Key Start
Battery	12V, 280 CCA
Weight	Approx. 500 lbs

Engine Assembly & Components

Complete breakdown of the 19.5 HP Briggs & Stratton engine (Model 31P777).

1. Cylinder & Piston Assembly: Includes piston, rings, connecting rod, and gaskets.
2. Cylinder Head: Valves, springs, rocker arms, and head gasket.
3. Crankcase & Crankshaft: Main bearings, seals, and oil sump.
4. Fuel System: Carburetor, fuel pump, fuel filter, and fuel lines.
5. Ignition System: Spark plug, ignition coil, and flywheel.
6. Air Intake & Exhaust: Air filter, pre-cleaner, muffler, and exhaust pipe.
7. Lubrication System: Oil filter, dipstick, and drain plug.

WARNING! Always disconnect spark plug wire before performing any engine service to prevent accidental starting.

Drive Train & Transmission

Parts for the 6-speed manual transmission (Peerless Model 600) and associated drive components.

1. Transmission Assembly: Complete gearbox with shift forks and shafts.
2. Clutch & Belt Drive: Drive belt, clutch idler pulley, and tension spring.
3. Axle & Differential: Rear axle assembly, differential gears, and axle seals.
4. Brake System: Brake pedal, brake disc, caliper, and linkage.
5. Wheels & Tires: Front (15x6.00-6) and rear (20x10.00-8) tires, rims, and valve stems.

CAUTION! Support tractor securely on jack stands before working underneath.

Cutting Deck & Blade System

• Deck Shell: Stamped steel housing, part number 942-0743.
• Blade Spindles: Three spindle assemblies with bearings and seals.
• Blades: Mulching blades (part # 134149) or high-lift blades.
• Deck Belt: ½" x 95" V-belt for deck drive.
• Deck Wheels: Anti-scalp rollers and mounting hardware.
• Deck Lift System: Lift lever, linkage rods, and adjustment pins.
• Discharge Chute: Optional grass chute and mounting bracket.

Steering & Front Axle

Steering wheel, column, gear assembly, tie rods, and front axle components.

Steering Gear: Rack and pinion assembly, part # 732-0665.

Tie Rods & Ends: Adjustable tie rods with left and right hand threads.

Front Axle: Pivoting axle beam, spindle arms, and bushings.

Front Spindles: Wheel spindles with kingpins and thrust bearings.

Wheel Bearings: Front wheel bearings and seals.

Electrical System & Wiring

Battery, starter, alternator, switches, lights, and complete wiring harness.

1. Turn ignition key to OFF and disconnect battery negative cable before servicing.
2. Refer to wiring diagram (page E-1) for color codes and connections.
3. Test components with multimeter before replacement.

Tip: Keep battery terminals clean and tight to ensure reliable starting.

Controls & Operator Station

Seat, seat switch, ignition switch, throttle control, brake pedal, and mower engagement lever.

1. Seat Assembly: High-back seat with suspension springs and mounting bracket.
2. Safety Switches: Seat switch (prevents operation when unoccupied), brake switch, and PTO switch.
3. Control Levers: Throttle/choke control, blade engagement lever, and shift lever.
4. Instrument Panel: Ignition key switch, hour meter, and indicator lights.
5. Foot Pedals: Brake pedal assembly and drive pedal (if equipped with auto transmission variant).

WARNING! Never bypass safety switches. They are critical for operator protection.

Safety Components & Shields

Blade engagement shield, deflector chute, engine covers, and warning labels. Ensure all shields are in place before operation.

Fasteners & Hardware

Complete list of bolts, nuts, washers, pins, and clips used throughout the tractor. Specify grade and size when ordering.

CAUTION! Use only specified grade hardware for critical connections like steering and blades.

Maintenance Schedule

Refer to the operator's manual for full schedule. Key part replacements:

Interval	Service	Parts Required
Every 25 hours	Engine Oil Change	SAE 30 oil (48 oz), oil filter # 492932S
Every 50 hours	Air Filter Service	Air filter # 808656, pre-cleaner # 808655
Every 100 hours	Spark Plug Replacement	Spark plug # RC12YC (gap .030")
Seasonally	Blade Sharpening/Replacement	Blade set # 134149, spindle grease
As needed	Drive Belt Inspection	Drive belt # 144959, deck belt # 140294

Reset: Reset hour meter after major service if applicable.

Service: 1-888-331-4569; www.craftsman.com

Parts Ordering & Support

How to order genuine Craftsman parts.

1. Have your model number (e.g., 247.289xxx) and serial number ready.
2. Use the illustrated diagrams in this manual to identify the part number.
3. Contact an authorized Craftsman service dealer or order online at www.craftsman.com/parts.
4. For technical assistance, call the Craftsman support line.

Note: Non-genuine parts may void warranty and affect performance.