John Deere 644G
Browse All John Deere or Integrated Tool Carrier Models
Contents:
Dimensions
| Length W/ Bucket On Ground | 25.69 ft in (7830 mm) |
| Width Over Tires | 9 ft in (2743 mm) |
| Height To Top Of Cab | 11.23 ft in (3420 mm) |
| Wheelbase | 10.5 ft in (3200 m) |
| Ground Clearance | 1.59 ft in (483 mm) |
| Hinge Pin Max Height | 13.13 ft in (4000 mm) |
| Dump Clearance At Max Lift | 9.42 ft in (2871 mm) |
| Max Lift Height | 12.53 ft in (3818 mm) |
| Fork Tine Length | 4.51 ft in (1372 mm) |
| Hook Height At Max Lift - Standard | 18.81 ft in (5732 mm) |
| Hook Height At Max Lift - Extended | 22.92 ft in (6985 mm) |
| Hook Reach At Max Lift - Standard | 6.87 ft in (2092 mm) |
| Hook Reach At Max Lift - Extended | 11.58 ft in (3527 mm) |
| Length With Out Forks On Ground | 27.19 ft in (8287 mm) |
| Reach At Max Height And Dump | 3.74 ft in (1138 mm) |
Engine
| Number Of Cylinders | 6 |
| Engine Make | 2240 |
| Engine Model | 6076A |
| Gross Power | 178 hp (133 kw) |
| Net Power | 170 hp (127 kw) |
| Power Measured @ | 2200 rpm |
| Max Torque | 598 lb ft (811 Nm) |
| Torque Measured @ | 1300 rpm |
| Displacement | 466 cu in (7.7 L) |
| Aspiration | Turbocharged w/ Aftercooler |
Operational
| Operating Weight | 35236 lb (15980 kg) |
| Fuel Capacity | 75 gal (284 L) |
| Cooling System Fluid Capacity | 7.6 gal (28.5 L) |
| Engine Oil Capacity | 6.4 gal (24 L) |
| Transmission Fluid Capacity | 3.7 gal (14 L) |
| Front Diff Fluid Capacity | 7.6 gal (28.4 L) |
| Rear Diff Fluid Capacity | 7.6 gal (28.4 L) |
| Hydraulic System Fluid Capacity | 30.4 gal (115 L) |
| Turning Radius | 18 ft in (5460 mm) |
| Operating Voltage | 12 V |
| Alternator Supplied Amperage | 95 amps |
| Rear Axle Oscillation | 26 degrees |
| Static Tipping Load - Bucket | 26228 lb (11896.9 kg) |
| Static Tipping Load - Forks | 18251 lb (8278.6 kg) |
| Static Tipping Load - Material Handler | 13290 lb (6028.3 kg) |
| Tire Size | 20.5-25 |
Transmission
| Transmission Type | Power Shift |
| Number Of Forward Gears | 4 |
| Number Of Reverse Gears | 3 |
| Max Speed Forward | 21.5 mph (34.6 km/h) |
| Max Speed Reverse | 13.7 mph (22 km/h) |
Hydraulic System
| Pump Type | Gear |
| Relief Valve Setting | 3000 psi (20684.3 kPa) |
| Pump Flow Capacity | 69.5 gal/min (263.1 L/min) |
| Raise Time | 6.2 sec |
| Dump Time | 1.8 sec |
| Lower Time | 3.5 sec |
Bucket
| Breakout Force | 35317 lb (157.1 kN) |
| Bucket Capacity - Heaped | 3.8 yd3 (2.9 m3) |
| Bucket Capacity - Struck | 3.2 yd3 (2.5 m3) |
