John Deere 520M

Feature Overview
John Deere 520M
  • Diverter kit allows for a 3rd function loader, eliminating additional cost of purchasing kit elsewhere
  • Available single-point hydraulic connection saves time
  • Hydraulics that improve cycle times and productivity
  • Integrated parking stands for easy attachment and removal
Maximum lift height (A) 3234 mm / 127 in.
Clearance at full height - bucket dumped (C) 2415.1 mm / 95.1 in.
Dump angle, degrees (E) -53 degree (angle)
Rollback angle, degrees (G) 47 degree (angle)
Feature Overview
John Deere 520M
  • Diverter kit allows for a 3rd function loader, eliminating additional cost of purchasing kit elsewhere
  • Available single-point hydraulic connection saves time
  • Hydraulics that improve cycle times and productivity
  • Integrated parking stands for easy attachment and removal
Maximum lift height (A) 3234 mm / 127 in.
Clearance at full height - bucket dumped (C) 2415.1 mm / 95.1 in.
Dump angle, degrees (E) -53 degree (angle)
Rollback angle, degrees (G) 47 degree (angle)
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Features

Boom lockout for easy service

Hydraulic shut-off valve (open position) Hydraulic shut-off valve (open position)
Hydraulic shut-off valve (closed position) Hydraulic shut-off valve (closed position)

A hydraulic shut-off valve is included with the M- and H-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.


Single-point hydraulic connection on row-crop tractor (closed) Single-point hydraulic connection on row-crop tractor (closed)
Single-point hydraulic connection on utility tractor (closed) Single-point hydraulic connection on utility tractor (closed)

The 520M, H240, 540M, H260, and H310 Loaders can be configured 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.


False rod cylinder False rod cylinder
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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 mechanical self-leveling (MSL) loaders.

 

Therefore, all MSL 520M and H-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.


Parking stands Parking stands
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John Deere loaders are easily removed and reinstalled on tractors without tools. The parking system allows removing or attaching the loader to the tractor in minutes without the need for tools.

 

To remove or park the loader, apply slight down pressure to the loader boom with the bucket dumped at approximately a 30-degree angle. With the tractor in park, lower the parking stands and place the mast pins in the open position.

Removing or parking the loader
Parking stand in stored position Parking stand in stored position
Removing parking stand Removing parking stand
Mast pin in the closed position Mast pin in the closed position
Rotating mast pin to the open position Rotating mast pin to the open position

Utilizing the boom circuit with the tractor in neutral, rotate the mast forward until the mast has rotated past the pin location on the mounting frame by extending the lift cylinder. Using the bucket circuit, roll back the bucket until the mast is removed from the pocket and will clear the tires.

Mast pin in the open position Mast pin in the open position
Masts rotate forward, then bucket rolled back Masts rotate forward, then bucket rolled back

With the tractor in park, shut the engine off and relieve the hydraulic pressure as indicated for the tractor (rotating the joystick). Disconnect or open the single-point hydraulic connector (or remove couplers if no single point is installed).

Disconnect/open single-point hydraulic connection Disconnect/open single-point hydraulic connection
Disconnect/open single-point hydraulic connections Disconnect/open single-point hydraulic connections

Store the loader half of the single-point connector or hoses, and back away from the loader.

Single-point hydraulics disconnected Single-point hydraulics disconnected
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Parked loader Parked loader

Nitrogen-charged accumulator and electric valve Nitrogen-charged accumulator and electric valve
Operator on/off switch Operator on/off switch
LSS on H180 LSS on H180
LSS on 5E and 5M LSS on 5E and 5M

An enhancement to the loader is the suspension system. A great level of loader productivity is achieved with the LSS.

  • An accumulator charged with nitrogen and connected to the head-end lift cylinder hose through a T-fitting provides shock absorption
  • The cylinders move in and out to allow the boom to float 

Performance

  • Bales can be transported more efficiently from one end of the field to the other over frozen, hard-packed, or rutted terrain.

NOTE: Check bale-handling capability of tractor before use.

  • Pallets can be moved easily without sustaining cargo damage
  • Pallets of seed or fertilizer can be carried across a yard without a bag spilling and creating a costly mess
  • Properly ballasted tractor with LSS has increased stability, creating a smoother ride for the operator

Cost of ownership

  • Extended life of loader pins and bushings
  • Less stress on tractor axle

Reasons for turning LSS off include:

  • Digging applications - with LSS on, the cylinders retract slightly, losing lifting power
  • Holding a grade when blading - with LSS on, it is difficult to hold a constant grade
  • Precise pallet and bale handling - with LSS on, the load moves up and down slightly while being positioned
  • Parking a loader - with LSS on, when down pressure is applied, the lift cylinders retract slightly, making it more difficult to park

The switch is conveniently located in the operator station to avoid having to exit the operator station to manually move the handle on the LSS.

LSS can also be ordered with a manual shutoff. Depending on the tractor/loader model, the accumulator is located in different places. On the H180, the accumulator is mounted outside the bottom of the mounting frame. On the 5 Series Tractors, the accumulator is mounted near the inside of the rear right wheel. On 6 Series Tractors and larger, it is mounted in between the hydraulic connection and the mounting frame.


Specs
Key Specs
Maximum lift height (A) 3234 mm
127 in.
Clearance at full height - bucket dumped (C) 2415.1 mm
95.1 in.
Dump angle, degrees (E) -53 degree (angle)
Rollback angle, degrees (G) 47 degree (angle)
Loader
Lift capacity at full height Measured at pivot (U)
1219 kg
2687 lb
Measured at 800 mm ahead of pivot (V)
1404 kg
3095 lb
Boom breakout force Measured at pivot (Y)
2060 kgf
4542 lbf
Measured at 800 mm ahead of pivot (Z)
1774 kgf
3911 lbf
Bucket rollback force capacity At maximum height (VV)
1780 kgf
3924 lbf
At 59-in. (1500-mm) lift height (XX)
3014 kgf
6645 lbf
At ground-level line (ZZ)
3092 kgf
6817 lbf
Base weight 826.9 kg
Leveling configuration Mechanical Self Leveling (MSL)
Bucket used General Purpose
1850 mm
73 in.
Bucket weight 178 kg
392 lb
Lift capacity at 59 in. (1500 mm) Measured at pivot (W)
1598 kg
3523 lb
Measured at 800 mm ahead of pivot (X)
1555 kg
3428 lb
Dimensions Maximum lift height (A)
3234 mm
127 in.
At full height - bucket level(B)
3039 mm
120 in.
At full height - bucket dumped (C)
2415.1 mm
95.1 in.
Overall length (I+F), ft (m) 4.3 m
14.3 ft
Digging depth (H) 181.6 mm
7.1 in.
Reach At maximum height (D)
759.8 mm
29.9 in.
At ground level - bucket level (F)
2164 mm
85 in.
Bucket angle Dump angle, degrees (E)
-53 degree (angle)
Rollback angle, degrees (G)
47 degree (angle)
Dump angle, ground
-105.7 degree (angle)
Cycle times Loader raise, seconds
3.3 seconds
Loader lower, seconds
2.2 seconds
Bucket dump, seconds
2.6 seconds
Bucket rollback, seconds
2.6 seconds
Tractor
Model 5220, 5320, 5420, 5520
Front tire 320/85 R24 BKT (12.4 R24)
Rear tire 420/85 R30 BTK (16.9)
Wheelbase 85.7 in.
Pump capacity 11 gpm
Rated pressure 2828 psi
*Manufacturer's suggested price. MSRP may be different in California. Taxes, freight, setup, and delivery not included. Optional accessories and attachments not included. Equipment, models and prices may vary by dealer. Product options and accessories may not be available in all regions. The engine horsepower and torque information are provided by the engine manufacturer to be used for comparison purposes only. Actual operating horsepower and torque will be less. Refer to the engine manufacturer’s website for additional information. Offers valid in the United States. Prices in U.S. dollars.
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