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Cub Cadet LTX-1146KW - User Manual

Cub Cadet LTX-1146KW
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CUB CADET LLC, 97 KENT AVENUE, KITCHENER, ON N2G 4J1
LES DISTRIBUTIONS RVI LIMITÉE, 2955, JEAN-BAPTISTE DESCHAMPS, LACHINE, QUEBEC H8T 1C5
Printed In USA
OperatOr’s Manual
Safe Operation Practices • Set-Up • Operation • Maintenance • Service • Troubleshooting • Warranty
WARNING
READ AND FOLLOW ALL SAFETY RULES AND INSTRUCTIONS IN THIS MANUAL
BEFORE ATTEMPTING TO OPERATE THIS MACHINE.
FAILURE TO COMPLY WITH THESE INSTRUCTIONS MAY RESULT IN PERSONAL INJURY.
769-05542C
(12.5.12)
Hydrostatic Lawn Tractor
LTX-1042, LTX-1042KW, LTX 1045 and LTX 1146KW

Table of Contents

Questions and Answers

  • A
    Andrew HayesAug 6, 2025
    Why won't my Cub Cadet LTX-1146KW Lawn Mower start?
    • M
      Michelle KennedyAug 6, 2025
      Your Cub Cadet Lawn Mower might not start due to several reasons. Ensure the PTO/Blade Engage knob is disengaged, the parking brake is engaged, and the spark plug wires are connected. Check that the throttle/choke control lever is in the FAST position and the choke is activated. Also, verify that the fuel tank isn't empty or contains stale fuel. A blocked fuel line or faulty spark plugs could also be the cause. If the engine is flooded, crank it with the throttle in the FAST position. Lastly, check for blown fuses and replace them if necessary.
  • I
    Isaac GibsonAug 9, 2025
    Why does my Cub Cadet LTX-1146KW engine run erratically?
    • A
      Amber WrightAug 10, 2025
      An erratic engine in your Cub Cadet Lawn Mower can stem from a few issues. First, ensure the choke is deactivated. Check the spark plug wires are securely connected. A blocked fuel line or stale fuel could also be the culprit; clean the fuel line, replace the fuel filter, and use fresh gasoline. Make sure the vent in the gas cap isn't plugged. Water or dirt in the fuel system, or a dirty air cleaner can also cause this problem. Drain the fuel tank and refill with clean fuel, or replace the air cleaner as needed.
  • G
    Gail HerringAug 14, 2025
    How to fix an uneven cut with my Cub Cadet LTX-1146KW Lawn Mower?
    • C
      Christopher WaltersAug 15, 2025
      An uneven cut with your Cub Cadet Lawn Mower can be due to several factors. The deck may not be leveled properly, so perform a side-to-side deck adjustment. A dull blade can also cause an uneven cut, so sharpen or replace it. Also, check the tire pressure in all four tires to ensure they are even.
  • J
    Jacqueline GonzalezAug 18, 2025
    Why does my Cub Cadet LTX-1146KW engine idle rough?
    • I
      istevensonAug 19, 2025
      A rough idle in your Cub Cadet Lawn Mower engine could be due to fouled or faulty spark plugs, or a gap that is too wide. Replace the spark plugs and set the correct gap. Another cause might be a dirty air cleaner. Replace the air cleaner element and/or clean the pre-cleaner.
  • M
    Michael DanielsAug 23, 2025
    What to do if my Cub Cadet Lawn Mower will not mulch grass?
    • A
      andrewharrisAug 23, 2025
      If your Cub Cadet Lawn Mower isn't mulching grass effectively, ensure the engine speed is set to FAST. Avoid mulching when the grass is wet. If the grass is excessively high, mow once at a high cutting height, then mow again at the desired height, or make a narrower cutting swath. A dull blade can also cause this issue, so sharpen or replace it.
  • L
    lfernandezAug 27, 2025
    Why is my Cub Cadet LTX-1146KW Lawn Mower vibrating excessively?
    • L
      lindseyjonesAug 27, 2025
      Excessive vibration in your Cub Cadet Lawn Mower could be caused by a loose or unbalanced cutting blade. Tighten the blade and spindle. Alternatively, the cutting blade may be damaged or bent, in which case you should replace it.
  • C
    Charles MartinezAug 31, 2025
    Why does my Cub Cadet LTX-1146KW Lawn Mower engine hesitate at high RPM?
    • O
      ostephensAug 31, 2025
      If your Cub Cadet Lawn Mower engine hesitates at high RPM, the spark plug gap may be too close. Remove the spark plugs and reset the gap.

Summary

Important Safe Operation Practices

General Operation

Follow all instructions, be familiar with controls, and adhere to safety rules.

Slope Operation

Exercise extreme caution on slopes; do not exceed 15 degrees. Mow up and down, not across.

Service

Safe Handling of Gasoline

Use extreme care with gasoline; it is flammable and vapors are explosive.

Jump Starting

Safe procedure for jump-starting a discharged battery.

Charging

Guidelines for safely charging the tractor's battery.

Tires

Changing the Transmission Drive Belt

Cutting Deck Removal

Step-by-step instructions for safely removing the cutting deck.

Changing the Deck Belt

Procedure for replacing the mower deck belt.

Cutting Blades

Instructions for removing, sharpening, balancing, and replacing cutting blades.

Assembly & Set-Up

Tractor Set-Up

Includes moving the tractor manually and removing shipping braces.

Moving the Tractor Manually

Shipping Brace Removal

Connecting the Battery Cables

Checking Tire Pressure

Setting the Deck Gauge Wheels

Adjusting the Seat

Gas and Oil

Check fuel level and engine oil before operation; use correct fuel.

Controls and Features

Throttle;Choke Control Lever

Brake Pedal

Deck Lift Lever

Ignition Switch Module

Systems Indicator Monitor; Hour Meter LCD

PTO (Blade Engage)

Drive Pedal

Reverse Pedal

Electric PTO (Blade Engage) Knob (If Equipped)

PTO;Blade Engage Handle (If Equipped)

Parking Brake;Cruise Control Lever

Operation

Starting the Engine

Follow safety interlock procedures and ignition sequence to start the engine.

Safety Interlock Switches

System prevents starting if safety conditions are not met.

Stopping the Engine

Follow procedure to safely shut down the engine after operation or striking an object.

Driving The Tractor

Operate tractor smoothly, avoid sudden maneuvers, and use caution when backing.

Reverse Caution Mode

Allows mowing in reverse; use extreme caution and look behind.

Driving On Slopes

Mow up/down slopes cautiously; avoid steep slopes and sudden turns.

Engaging the Parking Brake; Setting the Cruise Control

Learn to set the parking brake and engage cruise control.

Using the Deck Lift Lever

Engaging the PTO

Transfer power to cutting deck or attachments.

Mowing

Follow guidelines for safe mowing, discharge patterns, and grass cutting.

Maintenance & Adjustments

Maintenance Schedule

Engine

Changing the Engine Oil

Procedure for safely draining and replacing engine oil and filter.

Battery

Lubrication

Lubricate front wheels, pivot points, and deck wheels regularly.

Adjustments

Adjustments for deck leveling (side-to-side and front-to-rear).

Parking Brake Adjustment

Steering Adjustment

Troubleshooting

Replacement Parts

CUB CADET LLC MANUFACTURERS LIMITED WARRANTY FOR SERIES 1000 AND SERIES 1500 TRACTORS

HOW TO OBTAIN SERVICE

Cub Cadet LTX-1146KW Specifications

General IconGeneral
Cutting Width46 inches
Cutting Height1.5 - 4 inches
Number of Blades2
TransmissionHydrostatic
Deck MaterialSteel
Turning Radius18 inches
EngineKohler 7000 Series
Front Tire Size15 x 6 inches
Rear Tire Size20 x 8 inches
Warranty3 years

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