John Deere GT235 : Parts, Manuals, Diagrams, Specs

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The John Deere GT235 is a robust garden tractor produced from 1999 to 2005 in Horicon, Wisconsin, USA. It’s part of the GT200 series and was designed for residential and light commercial landscaping needs. The tractor is powered by a Kawasaki FH580V engine, a 4-stroke, OHV, V-twin configuration that delivers 18 horsepower and 36.6 ft·lb of torque at 2,000 rpm.

The GT235 features a hydrostatic transmission with infinite forward and reverse gears, driven by a Tuff Torq K71 transaxle. This setup allows for smooth operation and precise control over speed and direction. The tractor has a two-wheel drive system, manual steering, and wet disc brakes for reliable stopping power.

For versatility in various terrains, the GT235 is equipped with 16×6.50-8 front tires and 23×10.50-12 rear tires, available in turf or bar type. The tractor offers a range of compatible attachments, including front-mount blades and various mower decks (42C, 48C), allowing users to customize their setup for different landscaping tasks.

The GT235 boasts several features for ease of use and maintenance, such as a replaceable full-flow oil filter, electronic spark ignition, and a full-pressure lubrication system with a spin-on oil filter. It also includes a paper element air cleaner with a foam precleaner for optimal engine performance.

In 2002 and 2003, John Deere offered a GT235E variant with an on-board generator system providing 1000 Watts of continuous power at 120 volts. This feature added extra utility for users needing portable power.

With its solid construction, versatile attachments, and reliable performance, the John Deere GT235 remains a popular choice for those seeking a dependable garden tractor for various landscaping applications.

John Deere GT235 Parts

Essential parts and maintenance items for this model:

Engine Components
The GT235 uses either a Kawasaki or Briggs & Stratton engine. Key engine parts include:

  • Oil filters
  • Fuel filters
  • Air filters (both paper and foam elements)
  • Spark plugs

Blades
Various blade types are available for different mowing needs:

  • Standard blades
  • Mulching blades
  • High-lift blades
  • Low-lift blades

Belts
Several belts are crucial for the GT235’s operation:

  • Primary belts
  • Secondary belts
  • Traction drive belts

Electrical Parts
Important electrical components include:

  • Battery
  • Ignition switch
  • Headlight bulbs

Maintenance Fluids
Regular fluid changes are essential:

  • Engine oil (10W30)
  • Hydraulic fluid

Mower Deck Parts
For the mower deck, you may need:

  • Gage wheels
  • Rollers
  • Mulch kits for various deck sizes

Miscellaneous Parts
Other parts that may need replacement:

  • Fuel cap
  • Mower deck leveling gauge
  • Grease gun

Service Intervals

  • Oil and oil filter: Every 25/50/100/200 hours
  • Fuel filter: Every 200 hours
  • Hydraulic fluid: Every 250 hours

Regular maintenance using these parts will help ensure your John Deere GT235 continues to perform well for years to come. Always consult your owner’s manual for specific maintenance schedules and procedures.

John Deere GT235 Parts Diagrams

An overview of the major component groups and their key parts.

Engine Components

The GT235 may be equipped with either a Briggs & Stratton or a Kawasaki engine. Key engine parts include:

  • Oil filters (AM125424 for Briggs, AM107423 for Kawasaki)
  • Fuel filter (AM116304)
  • Air filters (foam and paper elements for both engine types)
  • Spark plugs (M78543 for Briggs, TY6081 for Kawasaki)

Mower Deck

The mower deck is a crucial component of the GT235. Important parts include:

  • Blades (standard, mulching, high-lift, and low-lift options)
  • Belts (primary and secondary)
  • Spindle assemblies
  • Gage wheels and rollers

Electrical System

Key electrical components for the GT235 include:

  • Battery (TY25881)
  • Ignition switch (AM132500)
  • Headlight bulb (AD2062R)

Drivetrain

The drivetrain system includes:

  • Traction drive belt (M127523)
  • Transmission components (specific parts not listed)

Miscellaneous Parts

Other important parts for the GT235 include:

  • Fuel cap (AM123507)
  • Mower deck leveling gauge (AM130907)
  • Grease gun (TY26183)

Maintenance Kits

John Deere offers maintenance kits for the GT235, which typically include:

  • Oil filters
  • Air filters
  • Fuel filter
  • Spark plugs

These kits make routine maintenance more convenient by packaging commonly replaced parts together.

John Deere GT235 Price

The John Deere GT235 is a popular garden tractor that has been on the market for several years. As of January 2025, the pricing for this model varies depending on factors such as age, condition, and included features.

New Models

New John Deere GT235 models are no longer available for purchase, as this specific model has been discontinued.

Used ModelsThe price range for used John Deere GT235 tractors varies significantly:

  • Low-end: Used GT235 models in fair condition or with higher hours can be found for around £850 to £1,000.
  • Mid-range: Well-maintained units with moderate hours typically sell for £1,500 to £2,000.
  • High-end: Exceptionally well-maintained models with low hours and additional features can fetch up to £2,250.

Factors Affecting Price

Several factors influence the price of a used John Deere GT235:

  • Hours of use
  • Overall condition
  • Maintenance history
  • Included attachments (e.g., mower decks, rear-mount trunks)
  • Local market demand

Additional Considerations

When purchasing a used GT235, consider the following:

  • Replacement parts availability
  • Potential service costs
  • Compatibility with desired attachments

While the GT235 is generally considered a well-built and reliable tractor, its age may affect long-term maintenance costs and parts availability. Prospective buyers should factor these considerations into their purchasing decision.

John Deere GT235 Where to Buy

New Models

As of January 2025, new John Deere GT235 models are no longer available for purchase. This specific model has been discontinued by the manufacturer.

Used Models

Used John Deere GT235 garden tractors can be found through various channels:

Online Marketplaces
Several online platforms offer used GT235 models:

  • Machinio
  • The Farming Forum Classifieds
  • Farm Machinery Locator

Local Dealerships
Many John Deere dealerships may have used GT235 models in stock. These often come with the benefit of being serviced and checked by trained technicians.

Private Sellers
Classified ads and local listings can be good sources for finding GT235 models from private owners.

Price Range

The price of a used John Deere GT235 varies depending on its condition, hours of use, and included attachments:

  • Lower end: Around £850 to £1,000
  • Mid-range: £1,200 to £1,500
  • Higher end: Up to £1,750 for well-maintained units with low hours

Considerations When Buying

When looking to purchase a used GT235, keep in mind:

  • Hours of use
  • Maintenance history
  • Included attachments (e.g., mower decks, snow throwers)
  • Overall condition
  • Availability of spare parts

Alternatives

If you can’t find a GT235 or prefer a newer model, consider exploring John Deere’s current lineup of garden tractors, which offer similar features and capabilities.

John Deere GT235 Specs

Engine

The GT235 is equipped with a Kawasaki FH580V engine:

  • Type: 4-stroke, OHV, V-twin 90°
  • Horsepower: 18 hp (13.4 kW)
  • Torque: 36.6 ft·lb (49.6 Nm) at 2,000 rpm
  • Cooling: Air-cooled
  • Fuel: Unleaded gasoline (octane 86 or higher)
  • Starting System: Recoil or electric starter
  • Oil Capacity: 1.9 qts (1.8 L)

Transmission

  • Type: Hydrostatic
  • Transaxle: Tuff Torq K71
  • Gears: Infinite forward and reverse
  • Forward Speed: 0-7 mph (0-11 km/h)
  • Reverse Speed: 0-4 mph (0-6 km/h)

Chassis and Steering

  • Drive: Two-wheel drive (4×2)
  • Steering: Manual sector and pinion
  • Brakes: Wet disc

Dimensions

  • Wheelbase: 49 inches (124 cm)
  • Overall Length: 72 inches (182.9 cm)
  • Overall Height: 47 inches (119.4 cm)
  • Weight: 570 lbs (258 kg)

Tires

  • Front: 16×6.50-8
  • Rear: 23×10.50-12

Attachments

The GT235 is compatible with various attachments, including:

  • Mower decks (42″, 44″, 48″, and 54″ options)
  • Snowblower
  • Front blade

Electrical System

  • Battery: 12V, 500 CCA
  • Charging System: 12V-15A with regulator

Additional Features

  • PTO: Independent mid-PTO with electric clutch
  • Operator Station: Open
  • Fuel Tank Capacity: 4.5 U.S. gal (17 L)

John Deere GT235 Problems

Common problems reported by GT235 owners:

Engine Issues

  • Running too rich, causing backfiring and black smoke from the exhaust
  • Sudden loss of power during operation
  • Stalling after 20-30 minutes of use
  • Difficulty starting when the engine is warm

Fuel System Problems

  • Fuel leaking from the carburetor
  • Clogged fuel filters
  • Water contamination in the fuel tank
  • Carburetor issues, including dirt or debris in jets

Electrical Problems

  • Battery drainage
  • Faulty ignition switch
  • Issues with the charging system

PTO and Mower Deck Concerns

  • PTO failing to engage the mower blades
  • Mower blades stopping unexpectedly during operation
  • Deck removal and installation difficulties

Transmission Issues

  • Loss of power when engaging forward or reverse
  • Hydrostatic transmission leaks

Maintenance-Related Problems

  • Valve adjustment needs
  • Air filter clogs
  • Oil leaks

To address these issues, regular maintenance is crucial. This includes changing filters, using high-quality fuel, cleaning the carburetor, and performing routine checks on electrical components. For persistent problems, consulting with a qualified technician or John Deere dealer is recommended.

John Deere GT235 Hood

The John Deere GT235 hood is an essential component of this popular garden tractor. It protects the engine and other internal parts while contributing to the machine’s iconic look.

Hood Construction

The GT235 hood is typically made of durable plastic, specifically a PC+ABS blend. This material offers a good balance of strength and weight, making it suitable for the tractor’s needs.

Replacement Options

When the original hood becomes damaged or worn, owners have several options:

  • New OEM hood: Available from John Deere dealers or authorized parts retailers
  • Aftermarket replacements: Often more affordable but may vary in quality
  • Used hoods: Can be sourced from salvage yards or other GT235 owners

Common Issues

GT235 hoods may experience several problems over time:

  • Cracking or breaking, especially in high-stress areas
  • Fading or discoloration due to sun exposure
  • Warping from heat or impact

Repair and Restoration

For minor damage, hood repair is possible:

  • Small cracks can be fixed using plastic repair kits
  • Larger breaks may require reinforcement with mesh and specialized adhesives
  • Faded hoods can be restored with appropriate paints and finishes

Maintenance

To keep the GT235 hood in good condition:

  • Clean regularly to prevent dirt and debris buildup
  • Apply UV protectant to prevent sun damage
  • Inspect for cracks or damage periodically

Hood Components

The GT235 hood assembly includes:

  • Upper hood section
  • Side panels
  • Grille
  • Mounting hardware

Installation

When replacing the hood:

  • Ensure proper alignment with the tractor frame
  • Secure all mounting points
  • Check for proper clearance around moving parts

By maintaining or replacing the hood as needed, GT235 owners can keep their tractors looking great and functioning properly for years to come

John Deere GT235 Manual

The John Deere GT235 manual is a comprehensive guide for owners and technicians of this garden tractor model. It provides detailed information on operation, maintenance, and repair procedures.

Types of Manuals

There are several types of manuals available for the John Deere GT235:

  • Operator’s Manual: Covers basic operation, safety guidelines, and routine maintenance
  • Technical Manual: Provides in-depth repair and service information
  • Parts Catalog: Lists all replaceable parts with diagrams

Content

The GT235 manual typically includes:

  • Safety information
  • Operating instructions
  • Maintenance schedules
  • Troubleshooting guides
  • Detailed repair procedures
  • Specifications and adjustments

Availability

Manuals for the John Deere GT235 can be obtained through various channels:

  • John Deere’s official website
  • Authorized John Deere dealers
  • Online marketplaces

Digital vs. Print

Manuals are available in both digital and print formats:

  • Digital: Easily searchable and portable
  • Print: Convenient for use in the workshop

Importance

Having access to the correct manual is crucial for:

  • Proper operation of the tractor
  • Performing routine maintenance
  • Troubleshooting issues
  • Completing repairs accurately

Language and Diagrams

The GT235 manual features:

  • Clear, concise language
  • Detailed diagrams and illustrations
  • Step-by-step instructions

By utilizing the John Deere GT235 manual, owners and technicians can ensure proper care and maintenance of this garden tractor, potentially extending its lifespan and maintaining its performance.

John Deere GT235 Battery

The John Deere GT235 requires a reliable battery for optimal performance. The battery is crucial for starting the engine and powering various electrical components of the tractor.

Battery Specifications

The GT235 typically uses a 12-volt battery. Common specifications include:

  • Voltage: 12V
  • Cold Cranking Amps (CCA): Around 480
  • Group Size: U1 or 51
  • Capacity: Approximately 35Ah

Battery Replacement

When replacing the GT235 battery:

  • Ensure proper fitment in the battery compartment
  • Match or exceed the original battery’s specifications
  • Use a battery designed for lawn and garden equipment

Maintenance Tips

To extend battery life:

  • Keep terminals clean and free of corrosion
  • Check and maintain proper electrolyte levels (if applicable)
  • Charge the battery after each use
  • Store the tractor in a cool, dry place when not in use

Common Issues

GT235 owners may experience:

  • Battery not holding a charge
  • Difficulty starting the engine
  • Overcharging due to faulty voltage regulator

Troubleshooting

If experiencing battery problems:

  • Test the battery voltage
  • Inspect the charging system
  • Check for parasitic draws
  • Ensure proper alternator function

Charging System

The GT235’s charging system includes:

  • Alternator or stator
  • Voltage regulator
  • Wiring harness

Proper functioning of these components is essential for maintaining battery health.By understanding the battery requirements and maintaining it properly, GT235 owners can ensure reliable starts and optimal performance of their lawn tractor.

John Deere GT235 Drive Belt Diagram

Drive Belt Routing for John Deere GT235

The drive belt routing for the John Deere GT235 garden tractor is a crucial component for proper operation. Here’s a description of the belt path:

Engine to Transmission Path

The drive belt starts at the engine pulley and follows this route:

  • Wraps around the main drive pulley on the engine
  • Passes through a tensioner pulley
  • Continues to an idler pulley
  • Wraps around another tensioner pulley
  • Routes to the transmission drive pulley at the rear

Key Components

  • Engine Pulley: Located at the bottom of the engine
  • Tensioner Pulleys: Two in the system, providing proper belt tension
  • Idler Pulley: Helps guide the belt along its path
  • Transmission Pulley: Located at the rear, drives the transmission

Installation Tips

When installing a new drive belt:

  • Remove the spring from the tensioner
  • Loosen or remove certain pulleys to ease installation
  • Route the belt carefully around all pulleys
  • Ensure the belt sits properly in all pulley grooves
  • Reconnect the tensioner spring after routing

Maintenance Considerations

  • Regularly inspect the belt for wear or damage
  • Check pulley alignment to prevent premature belt wear
  • Keep pulleys clean and free of debris
  • Adjust belt tension as specified in the manual

Proper installation and maintenance of the drive belt are essential for the GT235’s performance and longevity. Always refer to the tractor’s manual for specific instructions and safety precautions when working on the drive belt system.

John Deere GT235 Engine

The John Deere GT235 garden tractor is equipped with a robust engine designed for reliable performance in various landscaping tasks. The most common engine option for this model is the Kawasaki FH580V.

Engine Specifications

  • Type: 4-stroke, OHV, V-twin 90°
  • Displacement: 570 cc (34.8 cubic inches)
  • Bore and Stroke: 71 mm x 70 mm (2.80 x 2.75 inches)
  • Horsepower: 18 hp (13.4 kW)
  • Torque: 36.6 ft-lbs (49.6 Nm) at 2,000 rpm
  • Cooling System: Air-cooled
  • Fuel Type: Unleaded gasoline (86 octane or higher)

Engine Features

  • Starting System: Electric starter (12V) with recoil backup
  • Ignition System: Electronic spark ignition
  • Lubrication: Full pressure with spin-on oil filter
  • Air Cleaner: Paper element with foam precleaner
  • Oil Capacity: 1.9 quarts (1.8 L)

Maintenance

  • Oil Change Interval: Every 25/50/100/200 hours (depending on conditions)
  • Spark Plug Gap: 0.040 inches (1 mm)
  • Fuel Filter Replacement: Every 200 hours

Performance Characteristics

The Kawasaki FH580V engine in the GT235 is known for its smooth operation and reliable power delivery. It provides sufficient torque for mowing, towing, and other garden tasks. The V-twin configuration helps reduce vibration, contributing to operator comfort during extended use.

Troubleshooting

Common engine issues may include:

  • Running too rich (black smoke, backfiring)
  • Loss of power
  • Difficulty starting when warm

Regular maintenance, including timely oil changes, air filter cleaning, and proper fuel management, can help prevent many common engine problems and ensure optimal performance of the John Deere GT235.

John Deere GT235 Attachments

The John Deere GT235 garden tractor is compatible with a variety of attachments, enhancing its versatility for year-round use. These attachments allow owners to perform various landscaping and property maintenance tasks beyond basic mowing.

Mowing Attachments

The GT235 can be equipped with several mower deck options:

  • 42-inch mid-mount mower deck
  • 44-inch mid-mount mower deck
  • 48-inch mid-mount mower deck
  • 54-inch mid-mount mower deck

These decks offer different cutting widths to suit various lawn sizes and mowing needs.

Snow Removal

For winter maintenance, the GT235 can use:

  • Snowblower attachment
  • Front blade

These attachments help clear snow from driveways and pathways during the winter months.

Ground Engagement

The GT235 is compatible with a 30-inch mechanical tiller, allowing for soil cultivation and garden preparation.

Material Collection

While specific models aren’t mentioned, material collection systems are typically available for efficient grass and leaf cleanup.

Additional Attachments

Other common attachments for garden tractors like the GT235 may include:

  • Sprayers and spreaders for lawn care
  • Weights and wheel chains for improved traction
  • Dump carts for hauling materials

Compatibility Note

When selecting attachments, it’s important to verify compatibility with the specific GT235 model year and configuration. Some attachments may require additional mounting kits or modifications to the tractor.By utilizing these various attachments, GT235 owners can maximize the utility of their garden tractor throughout the year, tackling a wide range of outdoor tasks efficiently.

FAQ

What engine does the John Deere GT235 have?
The GT235 is typically equipped with a Kawasaki FH580V engine, which is an 18 horsepower, 4-stroke, OHV, V-twin engine. Some models may have a Briggs & Stratton engine instead.

What are common problems with the John Deere GT235?
Common issues include running too rich (causing backfiring and black smoke), loss of power, difficulty starting when warm, and electrical problems such as battery drainage or PTO engagement issues.

How do I maintain the John Deere GT235?
Regular maintenance includes changing the oil, replacing air and fuel filters, cleaning or replacing spark plugs, and inspecting belts and pulleys for wear.

What attachments are compatible with the John Deere GT235?
The GT235 is compatible with various attachments including different sized mower decks (42″, 44″, 48″, and 54″), snowblowers, front blades, and tillers.

How long does a John Deere GT235 typically last?
With proper maintenance, a GT235 can last for many years. Some owners report using their tractors for 15-20 years or more.

What transmission does the John Deere GT235 use?
The GT235 uses a hydrostatic transmission, which provides infinite forward and reverse speeds.

How do I troubleshoot electrical issues on a John Deere GT235?
Start by checking the battery, inspecting all wiring connections, and testing the PTO switch. The GT235 has a circuit board behind the dashboard that may need inspection.

What is the mowing capacity of the John Deere GT235?
The GT235 is suitable for mowing areas up to about 2-3 acres, depending on terrain and obstacles.

How do I winterize my John Deere GT235?
Winterization includes draining fuel or adding a stabilizer, changing the oil, cleaning the mower deck, and storing the tractor in a dry place.

What is the value of a used John Deere GT235?
The value of a used GT235 varies based on condition, hours of use, and included attachments. As of 2025, prices typically range from £850 to £2,250.