Snapper 18HP

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USER’S

MANUAL

18HP Zero-Turn Riders

Mfg. No. Description

2690487 Massey Ferguson ZT 1844

5900608 Snapper ZT18441KHC

19HP Zero-Turn Riders

Mfg. No. Description

5900609 Snapper ZT19441KWV

20HP Zero-Turn Riders

Mfg. No. Description

2690449 Simplicity 20HP Kohler Champion Zero-Turn Rider with 44” Mower

2690483 Simplicity 20HP Kohler Champion Zero-Turn Rider with 44” Mower (AU/NZ)

2690451 Simplicity 20HP Briggs Champion Zero-Turn Rider with 50” Mower

2690452 Simplicity 20HP Briggs Champion Zero-Turn Rider with 50” Mower (CE)

2690484 Simplicity 20HP Briggs Champion Zero-Turn Rider with 50” Mower (AU/NZ)

2690477 Massey Ferguson ZT 2050

2690485 Massey Ferguson ZT 2050 (CE)

5900610 Snapper ZT20501BV

5901166 Snapper EZT20501BV (CE)

Form No. 5100725

Revision 01

Rev.Date 10/2006

TP 100-7294-01-CH-SMN

Table of Contents

Questions and Answers:

B
byrdvictoriaAug 21, 2025
Why won't my Snapper Lawn Mower engine turn over or start?
- O
  oliviafisherAug 21, 2025
  Your Snapper Lawn Mower engine might not turn over or start due to several reasons. Ensure the parking brake is engaged and the PTO switch is in the OFF position. Check if you're out of fuel; if so, let the engine cool before refilling. If the engine is flooded, move the choke control to the closed position. A blown fuse, dirty battery terminals, or a discharged battery can also prevent starting, so replace the fuse, clean the terminals, or recharge/replace the battery. Also, inspect for loose or broken wiring and repair or tighten as needed. Other potential causes include a faulty solenoid, starter motor, safety interlock switch, spark plug, or water/old fuel in the tank. In these cases, repair/replace the components or drain/replace the fuel.
S
smithconnieSep 3, 2025
Why is the exhaust from my Snapper 18HP engine black?
- C
  Christine HaysSep 3, 2025
  Black exhaust from your Snapper Lawn Mower engine could be due to a dirty air filter, so replace it. Another cause could be that the engine choke control is in the closed position, so open the choke control.
K
Kimberly WhiteSep 1, 2025
What causes excessive oil consumption in a Snapper 18HP?
- A
  Alicia BrownSep 1, 2025
  Excessive oil consumption in your Snapper Lawn Mower can occur if the engine is running too hot, so clean the engine fins, blower screen, and air cleaner. Using the wrong weight oil or having too much oil in the crankcase can also contribute, so drain excess oil.
K
Karina EnglishAug 31, 2025
Why does my Snapper Lawn Mower engine knock?
- K
  Kimberly GrayAug 31, 2025
  A knocking sound in your Snapper Lawn Mower engine may be due to a low oil level, so check and add oil as required. Another cause could be using the wrong grade of oil.
M
Mark DoyleAug 29, 2025
What causes a Snapper 18HP Lawn Mower engine to stall easily with the mower engaged?
- S
  Scott RobinsonAug 29, 2025
  If your Snapper Lawn Mower engine stalls easily when the mower is engaged, ensure the engine speed is set to full throttle and that you are not moving too fast. If the cutting height is set too low, especially in tall grass, raise it for the first pass. Also, check if the discharge chute is jamming with cut grass; if so, cut with the discharge pointing toward the previously cut area.
D
Danny AndersonAug 27, 2025
How to fix Snapper 18HP scalping?
- E
  edward39Aug 28, 2025
  If your Snapper Lawn Mower is scalping your lawn, the issue might be due to an uneven or bumpy lawn, so roll or level the lawn. Check if the mower deck cutting height is set too low and raise it if necessary. Avoid moving too fast. Ensure the deck is correctly leveled and the tire pressure is even and at the correct level.
M
Mark GreenAug 26, 2025
What causes uneven cutting with a Snapper Lawn Mower?
- J
  judithsmithAug 27, 2025
  Uneven cutting with your Snapper Lawn Mower can stem from several issues. Ensure the deck is correctly leveled, and the blades are sharp and not damaged. A deck clogged with grass clippings can also cause problems, so clean it out. Check for damage to the deck shell or a bent/loose mower spindle, repairing or replacing as necessary. Verify that the blades are installed correctly and that the tires are properly inflated.
J
Jennifer YoungAug 25, 2025
Why does my Snapper 18HP Lawn Mower engine start hard or run poorly?
- L
  langdevinAug 25, 2025
  If your Snapper Lawn Mower engine starts hard or runs poorly, the fuel mixture might be too rich, so clean the air filter and check the choke adjustment. Also, inspect the spark plug; if it's faulty, fouled, or incorrectly gapped, clean, gap, or replace it.
J
Joshua LozanoAug 23, 2025
What to do if Snapper Lawn Mower has streaking?
- S
  Sherry WilliamsAug 23, 2025
  If your Snapper Lawn Mower is leaving streaks, several factors could be responsible. Make sure your blades are sharp and not worn down. Always mow at full throttle, and avoid moving too quickly. A deck plugged with grass can also cause streaking, so clean it out. Ensure you're overlapping your cutting rows sufficiently, especially when turning, where the effective cutting width decreases.

Snapper 18HP Specifications

General

Engine Power	18 HP
Cutting Width	42 inches
Cutting Height	1.5-4 inches
Deck Material	Steel
Transmission	Hydrostatic
Engine	Briggs & Stratton

Summary

Safety Rules and Information

General Operating and Child Safety

General safety advice for operating equipment and child precautions.

Slope, Thrown Objects, and Moving Parts Safety

Hazards related to slopes, thrown objects, and moving parts.

General Operation, Transport, and Storage Safety

Service, Maintenance, and Gasoline Safety

Safety precautions for servicing, maintenance, and gasoline handling.

Safety Decals

Safety Interlock System

North American and Export Model Interlock Checks

Details of the safety interlock system for different models.

Operation

Features and Controls Overview

Starting, Stopping, and Basic Driving

Procedures for starting, stopping, and basic rider movement.

Zero Turn Driving Practice and Maneuvers

Techniques for mastering zero-turn controls and maneuvers.

Mower Deck Removal and Installation

Regular Maintenance

Maintenance Schedule and Lubrication

Mower Blade Servicing

Instructions for sharpening, balancing, and installing mower blades.

Transmission and Battery Maintenance

Troubleshooting, Adjustments, & Service

Rider Troubleshooting and Adjustments

Common rider problems, starting/running issues, and adjustments.

Mower Troubleshooting and Cutting Quality

Mower problems, cutting imperfections, and related fixes.

Control Lever, Brake, and Suspension Adjustments

PTO Clutch and Blade Brake Adjustments

Mower Deck and Belt Maintenance Adjustments

Hydraulic Belt and Battery Charging

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