Installation Guide
Tools Needed:
- Adjustable wrench set
- Screwdrivers (flat and Phillips)
- Pliers
- Socket set
- Torque wrench
Step-by-Step Assembly
- Unpacking: Carefully remove all packaging materials and verify all parts are included according to the parts list.
- Handle Assembly: Attach the steering wheel and control levers to the main frame using provided bolts and hardware.
- Seat Installation: Mount the seat assembly to the seat plate and adjust for proper operator positioning.
- Deck Attachment: Install the cutting deck according to instructions, ensuring proper belt alignment and tension.
- Battery Connection: Install the battery, connecting positive terminal first, then negative terminal.
- Fluid Check: Check engine oil and hydraulic fluid levels before initial startup.
- Initial Test: Start the engine and test all controls in a safe, open area before first use.
Specifications
| Model Series | Craftsman T140 |
| Type | Riding Lawn Mower |
| Engine | 420cc OHV Engine |
| Cutting Width | 42 inches |
| Transmission | 6-Speed Manual Gear Drive |
| Fuel Capacity | 2.5 gallons |
| Cutting Height | 1.5 - 4 inches (12 positions) |
| Turning Radius | 18 inches |
| Weight | 480 lbs |
| Dimensions (LxWxH) | 68 x 54 x 42 inches |
| Max Speed | 5.5 mph |
| Warranty | 2-Year Limited Warranty |
Warranty Information
- Full Warranty: 2 years parts and labor
- Engine Warranty: 3 years on OHV engine
- Additional Coverage: Optional extended warranty available
For warranty service, contact Craftsman Customer Service at 1-888-331-4569 or visit Craftsman.com
Key Features
420cc OHV Engine
Powerful overhead valve engine provides reliable performance and efficient fuel consumption for extended mowing sessions.
6-Speed Manual Transmission
Manual gear drive with 6 forward speeds and 1 reverse speed allows precise control for various mowing conditions.
42-Inch Cutting Deck
Wide cutting deck with aerodynamic design provides efficient grass lift and even discharge for superior cutting results.
12-Position Cutting Height
Easy-to-adjust cutting height system allows precise control from 1.5 to 4 inches for different grass types and conditions.
Comfortable High-Back Seat
Padded high-back seat with armrests provides comfort during extended mowing sessions and reduces operator fatigue.
Easy Mulching System
Quick-convert mulching system allows easy switching between bagging, side discharge, and mulching without tools.
Cutting System Features
Dual Blade System
Two high-lift blades work together for superior cutting performance and clippings management
AeroForce™ Deck
Patented deck design creates maximum airflow for better cutting and bagging performance
Easy Height Adjustment
Single lever controls all cutting height adjustments from the operator position
Anti-Scalp Wheels
Front-mounted wheels prevent scalping on uneven terrain and slopes
Quick-Change System
Tool-free system for switching between mulching, bagging, and side discharge
Washout Port
Built-in port for easy deck cleaning after mowing sessions
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Engine won't start | Empty fuel tank, dead battery, safety switch engaged | Check fuel level, charge battery, ensure all safety switches are properly set |
| Poor cutting performance | Dull blades, improper deck height, clogged deck | Sharpen blades, adjust cutting height, clean cutting deck |
| Excessive vibration | Unbalanced blades, loose components, damaged spindle | Balance or replace blades, tighten all bolts, inspect spindle assembly |
| Loss of power | Clogged air filter, old fuel, dirty spark plug | Clean/replace air filter, use fresh fuel, clean or replace spark plug |
| Uneven cutting | Uneven tire pressure, deck not level, worn blades | Check tire pressure, level cutting deck, replace worn blades |
| Transmission issues | Low fluid, improper adjustment, worn components | Check fluid level, adjust linkage, inspect for wear |
Maintenance Schedule
- After 5 hours: Check all bolts and fasteners for tightness
- After 25 hours: Change engine oil and check air filter
- After 50 hours: Clean/replace air filter, check spark plug
- After 100 hours: Change transmission fluid, inspect belts
- Seasonal: Sharpen blades, clean entire machine, fuel treatment
- Storage: Proper winterization procedures for off-season storage
Manual Downloads
T140 Series Manuals
T140 420cc
42-inch Riding Mower
T140X 460cc
42-inch Extended Life
T140 Electric
42-inch Electric Start
T140 Pro
42-inch Professional
Related Models
T130 380cc
38-inch Riding Mower
T150 460cc
46-inch Riding Mower
T110 344cc
42-inch Value Model
T170 540cc
46-inch Heavy Duty