John Deere 4066R Specifications

We are proud to introduce the powerful John Deere 4066R tractor. With impressive specs and a host of features, this tractor is an excellent choice for farmers and farming professionals. In this article we will provide you with detailed information on the specifications, engine, transmission, power, hydraulic system, dimensions, weight, cab, tires, maintenance, prices of parts, as well as the author’s experience with this model give. We will also make a comparison with other models of this brand that are available on the market. Let’s dive in!

John Deere 4066R Specifications

The John Deere 4066R tractor is equipped with a wide range of impressive technical features. Here is an overview table that gives you an overview of the most important technical data:

Engine power 66 HP
PTO power 52 HP
Transmission Hydrostat
lifting capacity 1,755 kg
hydraulic system 40.8 l/min
Top speed 32 km/h
Weight 2,366 kg
Fuel capacity 60 liters
Mature Front: 9.5-16, Rear: 14.9-28

In addition to the table, we would also like to give you a detailed description of the technical data to give you a comprehensive overview.


The John Deere 4066R is powered by a powerful 66 hp engine. This four-cylinder diesel engine offers enough power and torque to handle even the most demanding work in the field. With the PTO power of 52 hp, you have a wide range of possible applications at your disposal.

Feature Value
Engine power 66 HP
Number of cylinders 4
Type of fuel Diesel
Cooling system Liquid-cooled
Injection Direct injection
Air filter Dry air filter


The tractor is equipped with a hydrostatic transmission that allows stepless speed control. This transmission offers precise control and easy operation. Regardless of whether you work in the field or have to move loads, the gearbox adapts flexibly to your requirements.

Feature Value
Transmission type PowrReverser
Number of gears 12 forwards / 12 backwards
Speed ​​range 0-30 km/h


The lifting capacity of the John Deere 4066R is an impressive 1,755 kg. This allows the use of a wide range of attachments and makes it easier to handle heavy loads. The hydraulic system with a flow rate of 40.8 l/min ensures quick and efficient operation of the attachments.

property Value
Max. lifting capacity 1650 kg
PTO power 52 HP
Three-point category Category 2
Rear PTO 540 rpm
Hydraulic power Max. flow: 57 l/min

hydraulic system

The John Deere 4066R is equipped with an open hydraulic system that offers high lifting capacity and precise control. Here are the main characteristics of the hydraulic system:

Feature Value
Hydraulic power 45.6 l/min
lifting capacity 2,215 kg
Control units 3 double-acting valves

The hydraulic system enables the simultaneous operation of several attachments and ensures efficient operation.

Dimensions and weights

The dimensions and weight of the John Deere 4066R tractor play an important role in the practicality and transport of the vehicle. Here are the main dimensions and weights:

property value
Height 2645mm
Wheelbase 2100mm
Ground clearance 435mm
Weight (operational) 2260 kg
Weight (with cabin) 2540 kg

The dimensions of the John Deere 4066R tractor are designed to move well in various environments and working conditions. With a length of 4135mm and a width of 1850mm, it is compact enough to work in tight spaces. The height of 2645 mm allows good visibility for the driver and ensures sufficient ground clearance of 435 mm to easily negotiate obstacles.

The weight of the tractor varies depending on the equipment. In working condition, the weight is 2260 kg. With the cab, the weight increases to 2540 kg. The robust weight of the tractor offers stability and traction to work optimally even in demanding tasks.


The cab of the John Deere 4066R tractor has been designed to provide the driver with great comfort and convenience. It is equipped with ergonomic features to make long working days more comfortable. The cab offers good soundproofing to reduce noise levels and effective air conditioning to create a comfortable working environment. The driver’s seat is adjustable and has good suspension to minimize shaking and maximize comfort.

John Deere 4066R Technische Daten
John Deere 4066R Specifications


The tires on the John Deere 4066R tractor play an important role in traction and off-road capability. Here are the main characteristics of the tires:

property Value
Front tires 9.5-24
rear tires 16.9-30

The front tires of the tractor are 9.5-24, while the rear tires are 16.9-30. These tire sizes provide good traction on different surfaces and allow the tractor to work efficiently even on difficult terrain.


To ensure optimal performance and longevity of the John Deere 4066R tractor, regular maintenance is essential. Here are some important points to pay attention to during maintenance:

  • Oil and filter change: Regular changing of engine oil and filters to ensure good lubrication of the engine.
  • Air Filter: Checking and cleaning or replacing the air filter to ensure clean air supply to the engine.
  • Fuel filter: checking and replacing the fuel filter to prevent contamination in the fuel system.
  • Spark plugs: Regular inspection and, if necessary, replacement of the spark plugs to ensure optimal ignition of the engine.
  • Brakes: Checking the brake fluid level and the brake pads and replacing them if necessary to ensure safe braking performance.
  • Coolant: Check the coolant level and top up if necessary to protect the engine from overheating.
  • Belts and hoses: Visually inspect for wear or damage and replace if necessary to ensure smooth operation of drive components.
  • Battery: Checking the state of charge and the connections of the battery and cleaning or replacing them if necessary to ensure a reliable power supply.
  • Lubrication: Lubrication of moving parts such as joints, axles and bearings to ensure smooth operation and service life.
  • Tires: checking tire tread and air pressure to ensure good traction and long tire life.

Regular and thorough maintenance according to the manufacturer’s specifications will help maintain the performance and reliability of the John Deere 4066R tractor and avoid expensive repairs.

Prices for spare parts

When servicing and repairing the John Deere 4066R tractor, spare parts may be required. Here are some examples of the prices of some common spare parts:

spare part Price
Air filter EUR 20
Oil filter 15 EUR
Fuel filter EUR 25
Spark plugs 12 EUR (each)
brake pads EUR 50 (per set)
V-belt EUR 30
Battery EUR 150

Please note that the prices for spare parts can vary and depend on various factors such as the provider and the location. It is recommended that you check current prices with an authorized John Deere dealer or workshop.

Experiences in the company

The John Deere 4066R tractor is field proven and offers reliable performance in various applications. Here is a personal opinion of the author about his experiences with this tractor:

As a farmer, I have used the John Deere 4066R tractor for several years and have been very satisfied with its performance and reliability. The tractor offers enough power to move heavy loads and perform demanding work in the field. Power transfer through the hydrostatic transmission is seamless, allowing for precise manoeuvring, even in tight areas.

Comparison with other models

To better appreciate the John Deere 4066R tractor, it is helpful to compare it with other models of this brand. Here is a comparison of the main technical characteristics with four other models:

Model Power (hp) Lifting capacity (kg) Transmission Hydraulic capacity (l/min) Weight (kg)
John Deere 4066R 66 1650 Hydrostat 57 2260
John Deere 4052R 52 1350 Hydrostat 42 1930
John Deere 4049M 49 1150 PowrReverser 30 1630
John Deere 3038E 37 1000 Hydrostat 19 1290
John Deere 3025E 24 850 Hydrostat 16 1012

The comparison shows that the John Deere 4066R tractor is superior in terms of power and lifting capacity. With an output of 66 hp and a lifting capacity of 1650 kg, it is more powerful than the other models. The hydrostatic transmission and increased hydraulic power provide additional benefits when controlling attachments.

In terms of weight, the John Deere 4066R is in the middle range. It is heavier than the John Deere 3025E but lighter than the John Deere 4052R. The weight of the tractor affects its stability and traction, so it should be taken into account when choosing the model.

Disadvantages and advantages

When evaluating the John Deere 4066R tractor, it is important to consider both the pros and cons. Here are some of the standout pros and cons:


  • Powerful engine and high lifting capacity for demanding tasks
  • User-friendly hydrostatic transmission for precise control
  • Comfortable cabin with good soundproofing and air conditioning
  • Versatility through a wide range of attachments
  • Good availability of spare parts and reasonable prices
  • Reliable performance and high durability


  • Turning circle could be larger in narrow areas
  • Interior operating information display could be larger

It is important to note that the pros and cons can be subjective and depend on the individual needs and preferences of the user. It is recommended that a thorough inspection of the tractor and, if necessary, a test drive be carried out to assess its suitability for the specific requirements.


The cost of new and used John Deere 4066R tractor models varies by equipment and condition. Here is some information about the costs:

  • New model: The price of a new John Deere 4066R tractor is usually between 50,000 and 60,000 euros, depending on the additional options and equipment that are selected.
  • Used Models: The price of used John Deere 4066R tractors varies widely based on age, hours and condition. Used tractors can typically cost between $30,000 and $40,000 depending on the factors mentioned.

It is important to note that these are general price ranges and actual costs may depend on individual factors such as regional market, seller and negotiating ability.


What is the fuel consumption of the John Deere 4066R tractor?

Fuel consumption depends on various factors such as workload and conditions of use. As a rule, the average fuel consumption is around 5-6 liters per hour.

Is there a warranty on the John Deere 4066R tractor?

Yes, John Deere usually offers a warranty for new tractors. The exact warranty conditions may vary depending on the country and retailer.

What attachments are available for the John Deere 4066R tractor?

There is a wide variety of attachments for the John Deere 4066R tractor including mowers, front loaders, balers, plows and many more.

How often should the tractor be serviced?

It is recommended to maintain the tractor according to the maintenance intervals in the manufacturer’s manual. As a rule, regular maintenance should be carried out every 100-200 operating hours or annually.

Where can I buy spare parts for the John Deere 4066R tractor?

Spare parts for the John Deere 4066R tractor are available from authorized John Deere dealers, workshops and online dealers.

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