EasyManua.ls Logo

Troy-Bilt Bronco 42 - User Manual

Troy-Bilt Bronco 42
88 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
Safe Operation Practices • Assembly • Operation • Service And Maintenance
OperatOrs Manual
Form No. 769-25793
(August 13, 2020)
Front Engine Lawn Tractor
NOTE: This Operators Manual covers several models. Features may vary by model. Not all features in this manual are
applicable to all models and the model depicted may differ from yours.
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 - SAVE THESE INSTRUCTIONS.
WARNING
CALIFORNIA PROPOSITION 65
Engine Exhaust, some of its constituents, and certain vehicle components contain or emit chemicals known
to the State of California to cause cancer and birth defects or other reproductive harm.
Record Product Information
Before setting up and operating your new equipment, please
locate the model plate on the equipment and record the
information in the provided area to the right. You can locate
the model plate by lifting up the seat and looking under the
seat pan. This information will be necessary, should you seek
technical support via our web site or with your local authorized
service dealer.
Model Number
Serial Number
English ......................................................................................................................................Page 1
Spanish (Español) ....................................................................................................................Page 29
French (Français) ......................................................................................................................Page 58

Table of Contents

Questions and Answers

  • R
    Rachel FrazierAug 12, 2025
    Why Troy-Bilt Lawn Mower engine fails to start?
    • L
      Lori NguyenAug 12, 2025
      If your Troy-Bilt Lawn Mower engine won't start, possible causes include the PTO (Blade Engage) Lever being engaged (place it in the disengaged (OFF) position), the parking brake not engaged (engage it), a disconnected spark plug wire (connect it), the throttle control lever not in the correct starting position (put it in the FAST position), an empty or stale fuel tank (fill it with fresh gas), a blocked fuel line (replace the fuel line and filter), a faulty spark plug (clean, adjust, or replace it), a flooded engine (crank it with the throttle in FAST position), or blown fuse(s) (replace the fuse).
  • M
    Michael StewartAug 15, 2025
    Why Troy-Bilt Lawn Mower engine runs erratically?
    • M
      Mark FowlerAug 16, 2025
      If your Troy-Bilt Lawn Mower engine runs erratically, it might be due to the tractor running with the CHOKE activated (deactivate it), loose spark plug wires (connect and tighten them), a blocked fuel line or stale fuel (replace the fuel line and filter, and fill the tank with fresh gasoline), a plugged vent in the gas cap (clear the vent or replace the cap), water or dirt in the fuel system (drain the fuel tank and refill with fresh gasoline), or a dirty air cleaner (replace the air cleaner paper element or clean the foam pre-cleaner).
  • O
    Olivia PeckAug 19, 2025
    How to fix Troy-Bilt Lawn Mower that will not mulch grass?
    • B
      Beth WrightAug 19, 2025
      If your Troy-Bilt Lawn Mower isn't mulching grass, make sure the engine speed isn't too low by placing the throttle in the FAST position. Also, avoid mulching when the grass is wet or excessively high. If the grass is too high, mow once at a high cutting height, then mow again at the desired height, or make a narrower cutting swath. Finally, check if the blade is dull and sharpen or replace it if needed.
  • L
    Logan BennettAug 23, 2025
    Why Troy-Bilt Lawn Mower engine idles rough?
    • R
      Robert HowellAug 23, 2025
      If your Troy-Bilt Lawn Mower engine is idling rough, it could be due to a fouled spark plug, which should be replaced and the gap adjusted. Alternatively, a dirty air cleaner could be the culprit; clean or replace the air cleaner element and/or clean the pre-cleaner.
  • D
    Deborah OsborneAug 27, 2025
    Why Troy-Bilt Lawn Mower engine overheats?
    • C
      Catherine ChristensenAug 27, 2025
      If your Troy-Bilt Lawn Mower engine is overheating, it could be due to a low engine oil level. Make sure to fill the engine with the proper amount and type of oil. Another possible cause is restricted airflow. Clean any grass clippings and debris from around the engine’s cooling fins and housing to ensure proper ventilation.
  • A
    Amy MooreAug 30, 2025
    What to do if Troy-Bilt Lawn Mower has uneven cut?
    • S
      stephen00Aug 30, 2025
      If your Troy-Bilt Lawn Mower is giving an uneven cut, it may be because the deck is not leveled correctly; perform a side-to-side deck adjustment. Another cause could be a dull blade; sharpen or replace it.
  • M
    Megan HoSep 3, 2025
    How to stop excessive vibration in Troy-Bilt Lawn Mower?
    • E
      Emily WillisSep 3, 2025
      If your Troy-Bilt Lawn Mower experiences excessive vibration, it could be due to loose or unbalanced cutting blades. Make sure to tighten the blade and spindle, and balance the blade. Another potential cause is a damaged, dull, or bent cutting blade, which would need to be replaced.
  • R
    Robert GreerSep 7, 2025
    What causes Troy-Bilt Lawn Mower engine to hesitate at high RPM?
    • K
      Kayla HayesSep 8, 2025
      If your Troy-Bilt Lawn Mower engine hesitates at high RPM, the spark plug gap may be too close. Remove the spark plug and adjust the gap to the correct setting.

Summary

Safe Operation Practices

General Information and Preparation

Essential safety rules, operator familiarity, and pre-operation checks for safe use.

Operating Procedures and Safety

Guidelines for safe operation, including controls, engine use, and children's safety.

Slope Operation and Hazard Avoidance

Safety guidelines for operating on slopes and avoiding hazards like fire and thrown objects.

Safety Symbols Guide

Operation Guide

Drive Controls and Systems Overview

Explanation of drive pedals, speed control levers, and their fundamental functions.

Tractor Controls and Lever Functions

Details on shift levers, brake pedals, throttles, PTO engagement, and bypass rods.

Parking Brake, Interlocks, and Engine Starting

Engaging parking brake, safety interlock checks, and procedures for starting the engine.

Driving and Maneuvering the Tractor

Instructions for driving hydrostatic and CVT tractors, including speed control and stopping.

Service and Maintenance

Troubleshooting Common Issues

Engine Starting and Running Problems

Diagnosing and resolving common engine issues like failure to start or erratic running.

Troy-Bilt Bronco 42 Specifications

General IconGeneral
Engine BrandBriggs & Stratton
Deck Height AdjustmentLever
Number of Blades2
Mulching CapabilityYes
Bagging CapabilityYes
Side Discharge CapabilityYes
Cutting Width42 inches
Transmission TypeAutomatic
Turning Radius18 inches
Cutting Height1.5 - 4 in
Front Tire Size15 x 6 in
Rear Tire Size20 x 8 in
Deck MaterialSteel
Fuel Capacity1.36 gal
Fuel Tank Capacity1.36 gal
Wheel SizeFront: 15 inches, Rear: 20 inches

Related product manuals