Installation Guide
Tools Needed:
- Adjustable wrench set
- Socket set (3/8" drive)
- Screwdrivers (flat and Phillips)
- Pliers
- Torque wrench
- Jack and jack stands
Step-by-Step Assembly
- Unpack and Inspect: Carefully remove all packaging materials and inspect for shipping damage. Verify all parts are included.
- Handle Assembly: Attach the steering wheel and control handles according to the provided diagrams.
- Seat Installation: Mount the operator seat and adjust for proper operator positioning and comfort.
- Deck Installation: Attach the cutting deck, ensuring proper alignment and belt routing.
- Battery Installation: Install the battery, connecting positive terminal first, then negative terminal.
- Fluid Checks: Check engine oil level, add gasoline, and verify hydraulic fluid levels.
- Final Adjustments: Adjust cutting height, check tire pressure, and verify all safety switches function properly.
- Test Operation: Start the engine and test all controls in a safe, open area.
Specifications
| Model Series | CMRM42HT |
| Type | Riding Lawn Tractor |
| Color | Craftsman Red / Black |
| Cutting Width | 42 inches |
| Engine Type | Briggs & Stratton Intek OHV |
| Engine Displacement | 540cc |
| Horsepower | 24 HP |
| Transmission | Hydrostatic Drive |
| Speed Range | 0-7 mph forward, 0-3 mph reverse |
| Fuel Capacity | 3.5 gallons |
| Cutting Height Range | 1.5" to 4.5" (12 positions) |
| Dimensions (LxWxH) | 72 x 54 x 42 inches |
| Weight | 520 lbs |
| Tire Size (Front/Rear) | 15x6.00-6 / 20x10.00-8 |
Warranty Information
- Full Warranty: 2 years limited warranty
- Engine Warranty: 3 years on Briggs & Stratton engine
- Transmission Warranty: 5 years on hydrostatic transmission
- Additional Coverage: Optional extended protection plans available
For warranty service, contact Craftsman Customer Service at 1-888-331-4569 or visit Craftsman.com
Key Features
Hydrostatic Transmission
Smooth, effortless speed control with infinite forward and reverse speeds. No shifting required - simply press the pedal to go forward or reverse.
42-Inch Cutting Deck
Tri-blade system with aerodynamic deck design provides superior cutting performance and excellent grass dispersal for a manicured lawn appearance.
24 HP OHV Engine
Briggs & Stratton Intek engine delivers reliable power with overhead valve design for better fuel efficiency, cooler operation, and longer engine life.
Electric PTO Engagement
Engage and disengage the cutting blades with the flip of a switch. No manual lever required for convenient operation.
Comfort-Flex Seat
High-back seat with armrests and adjustable positioning provides all-day comfort during extended mowing sessions.
Dual Brake System
Independent brake and clutch pedals allow for smooth operation and precise control in various mowing conditions.
Cutting System Features
Tri-Blade System
Three high-lift blades create superior vacuum for even cutting and excellent bagging performance
12-Position Height Adjustment
Single lever adjusts cutting height from 1.5" to 4.5" for precise lawn customization
Deck Wash Port
Connect garden hose to clean underside of deck after mowing to prevent grass buildup
Anti-Scalp Rollers
Prevent deck scalping on uneven terrain for consistent cutting height across entire lawn
Mulching Capability
Convertible deck allows for mulching, bagging, or side discharge without additional tools
Heavy-Gauge Steel Construction
10-gauge steel deck with reinforced design for durability and long-lasting performance
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Engine won't start | Dead battery, safety switch engaged, fuel issue | Check battery charge, ensure seat switch engaged, verify fuel supply |
| Poor cutting performance | Dull blades, improper deck level, clogged deck | Sharpen/replace blades, level cutting deck, clean underside |
| Loss of power | Clogged air filter, old gasoline, dirty spark plug | Replace air filter, use fresh gasoline, clean/replace spark plug |
| Hydrostatic transmission issues | Low fluid, air in system, linkage adjustment needed | Check fluid level, bleed system, adjust control linkage |
| Excessive vibration | Unbalanced blades, loose components, bent spindle | Balance blades, tighten all fasteners, inspect spindles |
| Belt slipping or breaking | Worn belt, improper tension, pulley alignment | Replace belt, adjust tension, check pulley alignment |
Maintenance Schedule
- Before Each Use: Check tire pressure, fuel level, and cutting blade condition
- Every 8 Hours: Clean deck underside, check for loose fasteners
- Every 25 Hours: Check engine oil level, clean air filter
- Every 50 Hours: Change engine oil, grease fittings, check battery
- Every 100 Hours: Replace air filter, spark plug, check belts
- Seasonal: Winterize for storage, sharpen blades, check tire condition
Manual Downloads
Current Model Manuals
CMRM42HT
42-Inch Riding Mower
CMRM46HT
46-Inch Riding Mower
CMRM54HT
54-Inch Zero Turn Mower
CMRM42LT
42-Inch Lawn Tractor
Popular Previous Models
CMRM38HT
38-Inch Riding Mower
CMRM42HS
42-Inch Hydrostatic Mower
CMRM50ZT
50-Inch Zero Turn
CMRM34LT
34-Inch Lawn Tractor