John Deere 644G Wheel Loader
Wheel Loader // John Deere
John Deere 644G Bucket
| Breakout Force: | 35317 lbs (16,020 kg) |
| Bucket Capacity - heaped: | 3.8 cu yds (3 m) |
| Bucket Capacity - struck: | 3.2 cu yds (2 m) |
John Deere 644G Dimensions
| Fork Tine Length: | 4.6 ft (1 m) |
| Ground Clearance: | 1.6 ft (0 m) |
| Height - Top of Cab: | 11.3 ft (3 m) |
| Max Lift Height: | 12.6 ft (4 m) |
| Reach at Max Height and Dump: | 3.8 ft (1 m) |
| Wheelbase: | 10.5 ft (3 m) |
| Width Over Tires: | 9 ft (3 m) |
John Deere 644G Engine
| Aspiration: | Turbocharged w/ Aftercooler |
| Displacement: | 466 cu in (0 m) |
| Engine Model: | 6076A |
| Gross Power: | 178 hp (133 kw) |
| Net Power: | 170 hp (127 kw) |
| Number of Cylinders: | 6.0 |
| Power Measured @: | 2200 rpm |
| Torque Measured @: | 1300 rpm |
John Deere 644G Hydraulic System
| Dump Time: | 1.8 sec |
| Lower Time: | 3.5 sec |
| Pump Flow Capacity: | 69.5 gal/min (263 l/min) |
| Pump Type: | Gear |
| Raise Time: | 6.2 sec |
| Relief Valve Setting: | 3000 psi |
John Deere 644G Operating Specifications
| Alternator Supplied Amperage: | 95 A |
| Cooling System Fluid Capacity: | 7.6 gal (29 l) |
| Fuel Capacity: | 75 gal (284 l) |
| Hydraulic System Fluid Capacity: | 30.4 gal (115 l) |
| Operating Voltage: | 12 V V |
| Operating Weight: | 35236 lbs (15,983 kg) |
| Rear Axle Oscillation: | 26 ° |
| Rear Diff Fluid Capacity: | 7.6 gal (29 l) |
| Static Tipping Load - Bucket: | 26228 lbs (11,897 kg) |
| Static Tipping Load - Forks: | 18251 lbs (8,279 kg) |
| Tire Size: | 20.5-25 |
| Transmission Fluid Capacity: | 18 ft (5 m) |
| Turning Radius: | 3.7 gal (14 l) |
| Max Speed - Forward: | 18 ft (5 m) |
John Deere 644G Transmission
| Number of Reverse Gears: | 4.0 |
| Transmission Type: | 3.0 |
