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John Deere 660R
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660R
Front Loaders
Overview:
The John Deere 660R Standard Farm Loader maximizes efficiency with its mechanical self-leveling system, durable boom design, and simple single-point hydraulic connection, ensuring seamless operation and minimal setup time for enhanced productivity in agricultural tasks.
- Tool-Free Removal and Attachment With Just a few, Simple Steps
- Frame Design That Allows for Maximum Maneuverability
- Automatic Mast Latch System for Quick Change From Loader to Three-Point Implements
- Repositioned Leveling Links for Better Visibility
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Features
Automatic Mast Latch for Easy Removal

The loader is equipped with an automatic mast latch system, simplifying the process of attaching and detaching the loader. This system allows for easy parking and enhances operational uptime by enabling the loader to latch with minimal effort.
Single-Point Hydraulic Connection

The R Series Loaders feature a single-point hydraulic connection that streamlines the process of attaching and detaching the loader. This system combines all hydraulic and electrical connections into one location for efficient installation with a simple handle pull.
Concealed Oil Lines for Protection

The R Series Loaders are designed to route the oil lines and hydraulic lines through the boom arm and the torque tube. This internal routing ensures better protection of the lines from external damage and improves the overall appearance of the loader.
Specifications
Tractor
| Model | 6M 145, 6R 145, 6M 155, 6R 155 |
| Front Tire | 540/65R30 |
| Rear Tire | 650/65R42 |
| Front Axle Configuration | MFWD |
| Wheelbase | 2765 mm |
| Wheelbase | 108.9 in. |
| Pump Capacity | 114 L/min |
| Pump Capacity | 30.1 gpm |
| Rated Pressure | 200 bar |
| Rated Pressure | 2900 psi |
Loader
| Base Weight | 1674.3 kg |
| Base Weight | 3691.2 lb. |
| Leveling Configuration | Mechanical Self-Leveling (MSL) |
| Bucket Used | Heavy-duty grapple 2450 mm / 96 in. |
| Bucket Weight | 375 kg |
| Bucket Weight | 826 lb. |
| Lift Capacity At Full Height - Measured At Pivot (U) | 2301 kg |
| Lift Capacity At Full Height - Measured At Pivot (U) | 5073 lb. |
| Lift Capacity At Full Height - Measured At 800 mm Ahead Of Pivot | 2301 kg |
| Lift Capacity At Full Height - Measured At 800 mm Ahead Of Pivot | 5073 lb. |
| Lift Capacity At 59 in. (1500 mm) - Measured At Pivot | 2814 kg |
| Lift Capacity At 59 in. (1500 mm) - Measured At Pivot | 6204 lb. |
| Lift Capacity At 59 in. (1500 mm) - Measured At 800 mm Ahead Of Pivot (X) | 2645 kg |
| Lift Capacity At 59 in. (1500 mm) - Measured At 800 mm Ahead Of Pivot (X) | 5831 lb. |
| Boom Breakout Force - Measured At Pivot (Y) | 3235 kg |
| Boom Breakout Force - Measured At Pivot (Y) | 7132 lb. |
| Boom Breakout Force - Measured At 800 mm Ahead Of Pivot (Z) | 2822 kg |
| Boom Breakout Force - Measured At 800 mm Ahead Of Pivot (Z) | 6221 lb. |
| At Maximum Height (VV) | 2916 kg |
| At Maximum Height (VV) | 6429 lb. |
| At 59-in. (1500 mm) Lift Height (XX) | 4587 kg |
| At 59-in. (1500 mm) Lift Height (XX) | 10113 lb. |
| Bucket Rollback Force Capacity At Ground-Level Line (ZZ) | 4492 kg |
| Bucket Rollback Force Capacity At Ground-Level Line (ZZ) | 9903 lb. |
| Maximum Lift Height (A) | 4495 mm |
| Maximum Lift Height (A) | 177 in. |
| At Full Height - Bucket Level (B) | 4255 mm |
| At Full Height - Bucket Level (B) | 168 in. |
| Clearance At Full Height - Bucket Dumped | 3481 mm |
| Clearance At Full Height - Bucket Dumped | 137 in. |
| Overall Length (I+F) | 5600 mm |
| Overall Length (I+F) | 221 in. |
| Digging Depth (H) | 81 mm |
| Digging Depth (H) | 3 in. |
| Reach - At Maximum Height (D) | 1038 mm |
| Reach - At Maximum Height (D) | 41 in. |
| Reach - At Ground Level - Bucket Level | 2848 mm |
| Reach - At Ground Level - Bucket Level | 112 in. |
| Dump Angle (E) | 60 degree (angle) |
| Rollback Angle (G) | 48 degree (angle) |
| Dump Angle, Ground | 118 degree (angle) |
| Loader Raise | 3.91 seconds |
| Loader Lower | 2.7 seconds |
| Bucket Dump | 1.81 seconds |
| Bucket Rollback | 1.81 seconds |
Contact Us
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325 Walt Messick Road
Harrington, Delaware 19952
Phone: (302) 398-3729
Toll Free: (800) 237-1272