Only leave the cab once to disconnect the loader

It takes four steps to disconnect the loader: lower the loader, open the parking stand, remove the hydraulics, and unlock the mast pin.

Loader placed on the ground with the bucket leveled (1)

Open the parking stands (2)

Unlock the hydraulic (3)

Unlock the loader mast (4)

To disconnect the loader, the bucket has to be flat on a stable ground (1). The operator has to leave the cab and lower the self-adjustable parking stands on both sides of the loader (2): the self-adjustable parking stands allow the driver to park the loader on irregular terrain and still keep a good position relative to the mounting frame, to attach the loader correctly later on .The parking stands can be set without tools.

After lowering the parking stands, the hydraulic couplers on the right-hand side of the loader have to be removed (3) and the loader must be unlocked from the tractor mounting frames (4). After these four steps, the operator is ready to move the tractor (5 and 6).

Leave the loader boom (5)

Loader and tractor are disconnected (6)

Fast connection of the loader to the tractor

Store the parking stands (1)

Connect the hydraulics (2)

Connecting the loader is fast and convenient thanks to the ramp design on the mounting frames and the automatic mast latch equipped with a floating device. Only drive the tractor to bring the mounting frames inside the mast until the latching indicators are in lock position. Then the driver can lift up the parking stands (1) and connect the couplers (2) for hydraulic and electric loader power to the tractor. Fast, intuitive and maintenance free design, the loader connection and disconnection brings the tractor ready for any tasks.

Use the automatic implement latch to connect the loader implement faster

Daily work: Connecting different implements

Changing the implements is a daily task for many front loader operators. Thanks to the patented automatic implement latch (AIL) the connection of various buckets, forks, or other implements can be done in less than 3 seconds. The dedicated treatment and material choice ensure the rod supports the heaviest applications, which provides a durable and lifetime solution. The AIL is a base feature of the Euro carrier, which is compatible with all Euro implements. It is also available with the Combi Euro MX carrier.

Disconnect the implement

Open the carrier handle (1)

Remove the implement (2)

To unlock the implement, the operator has to open the handle manually (1). Optionally, this is possible to do from the cab with the hydraulic implement unlatching (HIU). It requires minimal effort to unlock the implement, without the need of tools. The convenient position of the handle allows easy access for the operator. The operator needs to pull the handle and turn it clockwise. The handle will stay in the required position.

The next step is to remove the implement from the carrier (2): tilt the implement and lower the loader until the bucket touches the ground. The carrier rod is released from the implement hooks. The carrier handle moves to a standby position allowing fast latching later on.

Connect the implement

Connect bucket with the carrier completely dumped

Implement locking positions (1, 2) and the trigger of the AIL (2)

The Automatic Implement Latch (AIL) locks the implement as soon as the implement lug touches the trigger plate on the carrier (2). To achieve this, the top bar of the carrier has to be connected to the implement’s top hooks and after start rolling back the carrier. But there is no need to completely roll back the attachment. The implement is latched on both sides of the carrier (1, 2). The fast and easy locking performs regardless of loader height.

Automatic Implement Latch (AIL) in details:

Position of the carrier handle during the latching process

1. Position 1: Latch open – latch tube against carrier green plate
2. Position 2: Latch tube against AIL plate
3. Trigger waiting for implement lug
4. Position 3: Latch closed

Power

John Deere R-Series Loaders are available with different types of leveling systems

Due to the design and the loader kinematic, the R-Series Loaders feature outstanding power in regards to lift capacity and lift height. The power of the John Deere tractor is transferred to the loader via the hydraulic system.

The underslung leveling link of the mechanical self-loader (MSL) loader is connected to the false rod cylinders which results in fast cycle times (dumping and rolling back). The geometry allows a more rollback capacity which the operator can experience with stronger breakout forces. The compact boom has a lower height of pivoting points to easy access for greasing.

The detailed specification of the loaders can give an overview of the lift height and lift capacity of each loader (543R, 603R, 623R, 643R, 663R, and 683R).

Durability

John Deere R-Series Loaders are built with a high level of durability

Durability supported by torque tube

The R-Series Loaders show a great level of durability due to the high-quality material. The modular cast-iron components on the loader are the foundation of a durable machine. The cast-iron mounting frames ensure a strong base for heavy-duty applications and guarantee a good connection to the tractor frame. This results in tested, reliable longevity.

The position and shape of the torque tube supports the heaviest loader applications and guarantees a stable behavior of the tractor and loader combination. Additionally, the compact boom design and the loader kinematics result in a strong and reliable solution the customer can experience in the field.

Front loader on the test bench

Cast-steel parts on the loader

To ensure a high quality with outstanding durability, the R-Series Loaders have been tested on a dedicated front loader test bench, where the loader is subjected to heavy duty farming operations. All pivot points are designed with a wider contact surface and are made from cast-steel material. The pivot pins has a dedicated diameter and undergo a specific treatment to ensure an outstanding durability.

The welded, directional bushings have a specific shape to provide ideal stress distribution and support the heavy-duty applications.

Major pivot points are equipped with replaceable bushings for low frequency of greasing, because the grease continuously is delivered during the loader work. New bushings can be installed thanks to the specific bushing design.

Position of pivot points on the loader

Hydraulic integration

Hydraulic lines are laid inside the boom

With the John Deere loaders, the oil lines have been routed through the boom arm to protect them from any damage and to additionally increase the visibility of the driver. To provide good access to the hydraulics hoses, they are located on the top of the torque tube. The torque tube cover protecting the hydraulic components can be dismounted easily.

The loader suspension is located in the torque tube to protect the gas accumulator against external influences.

False rod cylinder

False rod cylinder

Fast bucket cycle times are important to dump the load from the bucket to be as productive as possible, while completing loading operations. The bucket cylinder design can have a major impact on the cycle time, especially for the mechanical self-leveling (MSL) loaders.

All MSL R-Series Loaders utilize false rod bucket cylinders. A false rod cylinder has a smaller displacement of oil requirement on the head end of the cylinder, which allows the cylinder to retract much faster than a normal cylinder.

Safety feature

Shut-off valve open

Shut-off valve closed

A hydraulic shut-off valve is included in base with the R-Series Ag Loaders to ensure the loader does not lower suddenly. This allows the boom to be locked if someone is required to be located under the loader boom, for example, during service work on the tractor.

Rear view of 600R Loader

R-Series Loaders are even easier to attach and detach due to the automatic mast latch system. This feature provides efficiency to operations that require frequent loader parking. The automatic mast latch system is a mechanical lever that allows operators to remove or attach the loader with one trip out of the cab. The ease and convenience provided by the automatic mast latch system provides improvement to operation uptime.

Automatic mast latch lever

Visual lock/unlock indicator

R-Series Loader attach and detach instruction video

Lift height

4,300 mm (pivot)

Lift capacity

2,279 kg (800 mm ahead of pivot)

Clearance

3,281 mm (full height, bucket dumped)

Rollback force

4,426 kg (ground level)