Craftsman Riding Mower

Owners Manual & Operation Guide

42-inch Cutting Deck

Installation Guide

Tools Needed:

  • Adjustable wrench set
  • Socket set
  • Screwdrivers (flat and Phillips)
  • Pliers
  • Torque wrench
  • Battery terminal cleaner

Step-by-Step Assembly

  1. Unpack and Inspect: Carefully remove all packaging materials and inspect for shipping damage. Verify all parts are included.
  2. Install Steering Wheel: Align steering wheel with column and secure with provided hardware using torque wrench.
  3. Attach Seat: Position seat on mounting brackets and secure with bolts and washers. Adjust for operator comfort.
  4. Install Battery: Connect positive (red) cable first, then negative (black) cable. Apply anti-corrosion spray to terminals.
  5. Attach Cutting Deck: Lower deck lift lever, align deck with mounting points, and secure with pins and retaining clips.
  6. Check Tire Pressure: Inflate all tires to recommended pressure (front: 14 PSI, rear: 10 PSI).
  7. Add Engine Oil: Fill engine with SAE 30 or 10W-30 detergent oil to proper level on dipstick.
  8. Add Fuel: Fill fuel tank with fresh unleaded gasoline (minimum 87 octane). Add fuel stabilizer if storing.
  9. Initial Test: Start engine, check all controls, and test cutting deck engagement in a safe area.
Warning: Always wear appropriate safety equipment including eye protection, hearing protection, and sturdy footwear during assembly and operation.

Specifications

Model Series CMXGRAM1130042
Type Riding Lawn Tractor
Engine Brand Briggs & Stratton / Kohler
Engine Power 19.5 HP / 420cc
Cutting Width 42 inches
Cutting Height Range 1.5 - 4 inches (12 positions)
Transmission Hydrostatic Drive
Speed Range 0-5.5 mph forward, 0-2.5 mph reverse
Fuel Capacity 2.5 gallons
Oil Capacity 1.5 quarts
Dimensions (LxWxH) 68 x 54 x 42 inches
Weight 498 lbs
Tire Size (Front/Rear) 15x6.00-6 / 20x10.00-8

Warranty Information

  • Limited Warranty: 3 years residential use
  • Engine Warranty: 2 years (manufacturer specific)
  • Transmission Warranty: Lifetime for residential use
  • Additional Coverage: 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, variable speed control without shifting gears. Single pedal operation for forward and reverse with automatic speed adjustment.

42-inch Cutting Deck

Heavy-gauge steel deck with aerodynamic design for superior grass lift and even discharge. Easy height adjustment with single lever.

19.5 HP Engine

Powerful overhead valve engine with cast iron sleeve for durability and consistent power delivery. Electric start with battery included.

Dual-Braking System

Combination brake/clutch pedal stops both drive and blade when depressed. Parking brake with positive lock for secure parking.

Comfort-Flex Seat

High-back seat with padded armrests and adjustable suspension. Ergonomically designed for reduced fatigue during extended use.

Headlight System

Dual halogen headlights for early morning or evening mowing. Integrated taillight for increased visibility.

Cutting System Features

Dual-Blade System

Two high-lift blades create superior vacuum for even cutting and excellent bagging performance

Easy-Adjust Height

Single lever adjusts all wheels simultaneously with 12 cutting positions from 1.5 to 4 inches

Deck Wash Port

Connect garden hose to clean underside of deck after mowing, preventing grass buildup

Mulching Capability

Optional mulching kit converts mower to mulch grass clippings into fine particles that fertilize lawn

Side Discharge

Standard side discharge for cutting tall or wet grass. Compatible with grass catcher attachment

Anti-Scalp Rollers

Front rollers prevent deck from scalping lawn on uneven terrain and protect deck from damage

Troubleshooting

Problem Possible Cause Solution
Engine won't start Dead battery, empty fuel tank, safety switch engaged Check battery charge, add fuel, ensure seat is occupied and brake is set
Poor cutting performance Dull blades, low engine speed, clogged deck Sharpen or replace blades, check throttle setting, clean deck underside
Uneven cutting Uneven tire pressure, deck not level, worn blades Adjust tire pressure, level cutting deck, replace worn blades
Loss of power Dirty air filter, old fuel, clogged fuel filter Replace air filter, drain old fuel, replace fuel filter
Excessive vibration Unbalanced blade, loose blade, damaged spindle Balance or replace blade, tighten blade bolt, inspect spindle assembly
Hydrostatic transmission issues Low fluid, air in system, damaged drive belt Check fluid level, bleed system, inspect and replace drive belt

Maintenance Schedule

  • Before each use: Check tire pressure, fuel level, and look for loose hardware
  • Every 8 hours: Check engine oil level, clean deck underside
  • Every 25 hours: Sharpen blades, check battery terminals
  • Every 50 hours: Change engine oil, replace air filter
  • Every 100 hours: Replace spark plug, change hydrostatic fluid
  • Seasonal: Stabilize fuel, clean entire unit, store properly

Manual Downloads

Current Model Manuals

CMXGRAM1130042

42-inch 19.5HP Riding Mower

CMXGRAM1130046

46-inch 22HP Riding Mower

CMXGRAM1130050

50-inch 24HP Riding Mower

CMXGRAM1130038

38-inch 18HP Riding Mower

Popular Previous Models

CMXGTAMD28VA

28-inch 14HP Riding Mower

CMXGRAM1130030

30-inch 17HP Riding Mower

CMXGRAM1130040

40-inch 20HP Riding Mower

CMXGRAM1130048

48-inch 23HP Riding Mower

Attachment Manuals

CMXGAMC42BAG

42-inch Grass Catcher System

CMXGAMM42KIT

42-inch Mulching Kit

CMXGAMS42SNW

42-inch Snow Blower Attachment

CMXGAMC42CAB

42-inch Mower Cab Enclosure

Note: For models not listed here, please visit the Craftsman Support Website for complete documentation.