Toro Groundsmaster 4110-D User Manual

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FormNo.3370-876RevB

Groundsmaster

®

4100-Dand

4110-DRotaryMowers

ModelNo.30447—SerialNo.312000001andUp

ModelNo.30449—SerialNo.312000001andUp

ToregisteryourproductordownloadanOperator'sManualorPartsCatalogatnocharge,gotowww.Toro.com.OriginalInstructions(EN)

Table of Contents

Other manuals for Toro Groundsmaster 4110-D

Service Manual340 pages

Questions and Answers:

P
Patricia RobinsonAug 23, 2025
What to do if my Toro Groundsmaster 4110-D Lawn Mower has lost traction power?
- V
  victoria92Aug 23, 2025
  If your Toro Lawn Mower loses traction power or won't operate in either direction, it could be due to a low hydraulic reservoir oil level, an open or damaged piston pump by-pass valve, low charge pressure, low traction circuit pressure, or damaged front wheel motor couplers. Ensure the hydraulic reservoir oil level is correct, repair or replace the piston pump by-pass valve, check and adjust the charge pressure and traction circuit pressure, and inspect the front wheel motor couplers for damage.
D
Deborah MedinaAug 25, 2025
Why is the steering on my Toro Groundsmaster 4110-D inoperative?
- M
  martinryanAug 25, 2025
  If the steering on your Toro Lawn Mower is inoperative or sluggish, it could be caused by worn or binding steering components (like tie rods or steering cylinder ends), a binding steering cylinder, a low oil level in the hydraulic reservoir, a stuck or damaged steering relief valve in the steering control valve, internal leaks in the steering cylinder, a worn or damaged steering control valve, or a worn or damaged gear pump section. Inspect and repair or replace any worn or binding steering components. Maintain the correct hydraulic oil level. Repair or replace the steering relief valve if it's stuck or damaged. Inspect the steering cylinder, control valve, and gear pump section for any damage.
J
Jeffery StanleyAug 27, 2025
Why is hydraulic oil foaming in my Toro Groundsmaster 4110-D Lawn Mower reservoir?
- E
  Eddie RogersAug 27, 2025
  If hydraulic oil in the reservoir of your Toro Lawn Mower foams, it could be due to a low hydraulic reservoir oil level, the wrong type of oil in the hydraulic system, or air leaking into a pump suction line. Maintain the proper hydraulic reservoir oil level, use the correct type of hydraulic oil, and check for air leaks in the pump suction line.
B
Bruce AdamsAug 27, 2025
What to do if cutting deck on my Toro Lawn Mower won't stay up?
- C
  Cody IrwinAug 27, 2025
  If the cutting deck or wing decks on your Toro Lawn Mower raise but won't stay up, check for leaking lift circuit lines or fittings, damage to the lift cylinder, or damaged seals or faults in the cartridge valve(s) in the lift/lower manifold. Repair or replace any leaking lines or fittings, inspect the lift cylinder for damage, and repair or replace any faulty cartridge valve(s) with damaged seals.
C
Corey WilsonAug 29, 2025
Why does my Toro Lawn Mower cutting deck section stop under load?
- R
  Roger ChristianAug 29, 2025
  If the cutting deck section on your Toro Lawn Mower stops under load, it could be because the relief valve in the PTO manifold for the affected deck is by-passing, the deck motor has internal leakage (by-passing oil), or the cutting deck gear pump section is worn or damaged. Repair or replace the relief valve, inspect the deck motor for internal leakage, and check the cutting deck gear pump section for wear or damage.
L
Laura GonzalesAug 30, 2025
Why won't the cutting deck on my Toro Groundsmaster 4110-D Lawn Mower lower?
- S
  Samantha YoungAug 30, 2025
  If the cutting deck (or wing decks) on your Toro Lawn Mower won't lower, it could be because the lift arm pivots are binding, there's an electrical problem, the solenoid valve (S1) in the lift/lower manifold is faulty, the counterbalance pressure is excessive, or the lift cylinder is damaged. Free up any binding lift arm pivots, troubleshoot the electrical system, repair or replace the faulty solenoid valve, check the counterbalance pressure, and inspect the lift cylinder for damage.
J
Jennifer KnightSep 1, 2025
Why do all cutting deck sections operate slowly on my Toro Lawn Mower?
- D
  Derek SmithSep 1, 2025
  If all the cutting deck sections on your Toro Lawn Mower operate slowly, it could be due to a low engine RPM or damage to the deck motor or gear pump sections. Increase the engine RPM and inspect the deck motor or gear pump sections for damage.
B
Brenda ClarkeSep 2, 2025
How to fix hydraulic oil leak from my Toro Lawn Mower?
- B
  Brad NorrisSep 2, 2025
  If hydraulic oil leaks from your Toro Lawn Mower, it could be due to loose or damaged fittings, hoses, or tubes, or missing or damaged O-rings or seals. Tighten or replace any loose or damaged fittings, hoses, tubes, O-rings, or seals.
D
Donna MclaughlinSep 3, 2025
What to do if my Toro Groundsmaster 4110-D operates in one direction only?
- D
  Daniel SimonSep 3, 2025
  If your Toro Lawn Mower only operates in one direction, the traction control linkage may be faulty, or the traction relief valve may be faulty. Inspect and repair both the traction control linkage and the traction relief valve.
K
Kelly SmithSep 5, 2025
Why does cooling fan always rotates at slow speed on my Toro Groundsmaster 4110-D Lawn Mower?
- A
  Amy BrownSep 5, 2025
  If the cooling fan on your Toro Lawn Mower always rotates at a slow speed, the fan control manifold cartridge valve seals may be leaking, the check valve in the fan control manifold may not be seating properly, the fan control manifold proportional relief valve (PRV) may be stuck open, or the hydraulic fan motor may be worn or damaged. Repair or replace any leaking seals, ensure the check valve seats correctly, repair or replace the stuck PRV, and inspect the hydraulic fan motor for damage.

Toro Groundsmaster 4110-D Specifications

General

Fuel Type	Diesel
Number of Blades	5
Transmission	Hydrostatic
Deck Lift	Hydraulic
Turning Radius	18 inches

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