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A hydraulic shut-off valve is included with the R-Series Ag Loaders to ensure the loader does not lower suddenly. For example, this allows the boom to be locked out when someone is required to be located under the loader boom for service work on the tractor. It should not be used for extended periods of time unless an appropriate support stand is also utilized.
The R-Series Loaders come with a number of options to enhance an operator’s experience and to allow more productivity in the field. These options include lighting, hydraulic remote implement latch, loader suspension system, and industry-exclusive return-to-position (RTP) Gen2 technology with electronic self-leveling.
Loader lights for enhanced visibility in low-light conditions
Hydraulic remote implement latch
Return-to-Position (RTP) Gen2 with electronic self-leveling (ESL)
Loader suspension system for a smoother ride
All of these options are powered using a common electrical harness. Features can be added or subtracted to get the job done right.
The 620R, 640R, 660R, and 680R Loaders can be ordered with a single-point hydraulic connection that also incorporates the connection point for any electrical needs. To disconnect the hydraulic connection between the loader and the tractor, it is necessary to relieve the hydraulic system oil pressure on the tractor.
Through time, increased width in tractor hoods have caused issues with available space for running traditional oil lines of a loader along the boom, making them more susceptible to damage.
To improve this situation, the oil lines have been routed through the boom arm and the torque tube, improving line protection and the appearance of the loader.
Fast bucket cycle times are important to dump the load from the bucket as quickly as possible (quite often) in order to be as productive as possible while completing loading operations. The bucket cylinder design can have a major impact on this cycle time, especially for the 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 this cylinder to dump much faster than a normal cylinder.
R-Series Loaders are now even easier to remove and reinstall due to an automatic mast latch system. Simply exit the tractor once for removal and once for reinstall to reduce the amount of downtime associated with loader parking.
For a more detailed look at the steps, please refer to the operator’s manual.
To remove the loader, follow these simple steps:
To reinstall the loader follow these simple steps:
Specifications |
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Select up to 4 models to compare specifications | John Deere660RLoader |
Model | 6145R/M, 6155R/M | |||
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Front tire | 540/65R30 | |||
Rear tire | 650/65R42 | |||
Front axle configuration | MFWD | |||
Wheelbase | 2765 mm 108.9 in. |
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Pump capacity | 114 L/min 30.1 gpm |
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Rated pressure | 200 bar 2900 psi |
Leveling configuration | Non-Self Leveling (NSL) | |||
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Bucket used | Heavy-duty grapple 2150 mm Heavy-duty grapple 85 in. |
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Bucket weight | 327 kg 721 lb |
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Lift capacity at full height | Measured at pivot (U) 2564 kg 5663 lbMeasured at 800 mm ahead of pivot (V) 1861 kg 4103 lb |
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Lift capacity at 59 in. (1500 mm) | Measured at pivot (W) 2800 kg 6173 lbMeasured at 800 mm ahead of pivot (X) 2222 kg 4899 lb |
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Boom breakout force | Measured at pivot (Y) 2958 kgf 6521 lbfMeasured at 800 mm ahead of pivot (Z) 2237 kgf 4932 lbf |
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Bucket rollback force capacity | At maximum height (VV) 2916 kgf 6429 lbfAt 59-in. (1500-mm) lift height (XX) 4601 kgf 10143 lbfAt ground-level line (ZZ) 4505 kgf 9932 lbf |
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Dimensions | Maximum lift height (A) 4495 mm 177 in.At full height - bucket level(B) 4255 mm 168 in.At full height - bucket dumped (C) 3481 mm 137 in. |
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Overall length (I+F), ft (m) | 5.6 m 18.4 ft |
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Overall height in carry position (J) | ||||
Digging depth (H) | 81 mm 3 in. |
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Reach | At maximum height (D) 1038 mm 41 in.At ground level - bucket level (F) 2848 mm 112 in. |
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Bucket angle | Dump angle, degrees (E) 60 degree (angle)Rollback angle, degrees (G) 48 degree (angle)Dump angle, ground 146 degree (angle) |
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Cycle times | Loader raise, seconds 3.98 secondsLoader lower, seconds 2.75 secondsBucket dump, seconds 2.65 secondsBucket rollback, seconds 1.81 seconds |
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The high-volume bucket is intended for use with lighter-density high-volume materials. The bucket capacity makes this an effective tool for handling snow, wood shavings, and other loose materials.
Materials buckets may be used for loading dirt, gravel, feed, and light materials as well as scraping, digging, and other general-purpose task
NOTE: Materials buckets are not compatible with replaceable cutting edges or digging teeth.
The high-volume bucket is intended for use with lighter-density high-volume materials. The bucket capacity makes this an effective tool for handling snow, wood shavings, and other loose materials.
For those who frequently scrape on concrete, a replaceable cutting edge will greatly extend the life of the bucket:
For those who frequently scrape on concrete, a replaceable cutting edge will greatly extend the life of the bucket:
All of the H-Series Loaders use the same five-tine pin-on grapple. The advantages of this grapple are:
High-performance operators will choose the five-tine grapple for its increased durability and load-carrying capacity. Advantages include:
The grapple is equipped with twin cylinders to provide excellent clamping force.
NOTE: The center tine of the five-tine grapple is slightly off center to avoid contact with the placement of optional digging teeth.
NOTE: The grapple is not compatible with materials or high-volume buckets.
The hood guard's basic function is to:
Compatibility:
It is highly recommended to purchase a front weight bracket when using a loader. The hood guard is designed to be slightly rearward of the front weight bracket. This is so the front weight bracket is the first point of contact against lower stationary objects. The height of the hood guard allows better protection for the top of the hood and allows operators to see the top of the hood guard.
The R-Series Loaders feature a single-point hydraulic connection that also incorporates the connection point for any electrical needs. To disconnect the hydraulic connection between the loader and the tractor, it is necessary to relieve the hydraulic system oil pressure on the tractor.
The R-Series Loaders feature a single-point hydraulic connection that also incorporates the connection point for any electrical needs. To disconnect the hydraulic connection between the loader and the tractor, it is necessary to relieve the hydraulic system oil pressure on the tractor.
The R-Series Loaders feature a single-point hydraulic connection that also incorporates the connection point for any electrical needs. To disconnect the hydraulic connection between the loader and the tractor, it is necessary to relieve the hydraulic system oil pressure on the tractor.
The R-Series Loaders feature a single-point hydraulic connection that also incorporates the connection point for any electrical needs. To disconnect the hydraulic connection between the loader and the tractor, it is necessary to relieve the hydraulic system oil pressure on the tractor.
The loader hoses are connected to the mid-tractor selective control valves (SCVs).
The loader hoses are connected to the mid-tractor selective control valves (SCVs).
The loader hoses are connected to the mid-tractor selective control valves (SCVs).
Digging teeth can be added to the heavy-duty bucket for easier digging in hard ground or for breaking loose hard-packed materials such as manure or silage. Digging teeth are not compatible with replaceable cutting edges.
If swapping implements quickly is required, look to the hydraulic remote implement latch. Switching from a bucket to a bale spear can now be accomplished quickly, with limited movements of the loader, and without leaving the operator’s seat.
The hydraulic remote implement latch is powered by a hydraulic accumulator, which collects and stores excess oil generated through the normal operation of the boom (curl, dump, lift, lower). To activate the device, the two switches installed in the right-hand side of the operator’s station are pressed simultaneously by the operator. This action releases the oil, and unlocks the implement.
This feature does not require a third-function hydraulic system.