John Deere 644GH
Browse All John Deere or Wheel Loader Models
Contents:
Bucket
| Dump Clearance At Max Raise | 9.66 ft in (2942 mm) |
| Bucket Capacity - Heaped | 4 yd3 (3.06 m3) |
| Bucket Capacity - Struck | 3.63 yd3 (2.78 m3) |
| Bucket Width | 10.01 ft in (3050 mm) |
| Breakout Force | 38045 lb (169.24 kN) |
Dimensions
| Ground Clearance | 1.59 ft in (483 mm) |
| Length With Bucket On Ground | 25.79 ft in (7860 mm) |
| Width Over Tires | 8.97 ft in (2732 mm) |
| Height To Top Of Cab | 11.23 ft in (3420 mm) |
| Wheelbase | 10.5 ft in (3200 mm) |
| Hinge Pin - Max Height | 13.13 ft in (4000 mm) |
| Reach At Max Lift And Dump | 3.45 ft in (1049 mm) |
Engine
| Number Of Cylinders | 6 |
| Engine Make | 2240 |
| Engine Model | 6076A |
| Net Power | 185 hp (138 kw) |
| Gross Power | 196 hp (146 kw) |
| Power Measured @ | 2200 rpm |
| Max Torque | 643 lb ft (872 Nm) |
| Displacement | 466 cu in (7.7 L) |
| Torque Measured @ | 1300 rpm |
| Aspiration | Turbocharged and Aftercooled |
Operational
| Operating Weight | 36634 lb (16617 kg) |
| Fuel Capacity | 75.1 gal (284 L) |
| Hydraulic System Fluid Capacity | 30.4 gal (115 L) |
| Engine Oil Fluid Capacity | 6.4 gal (24 L) |
| Cooling System Fluid Capacity | 7.6 gal (28.5 L) |
| Transmission Fluid Capacity | 3.7 gal (14 L) |
| Front Axle/Diff Fluid Capacity | 7.4 gal (28 L) |
| Rear Axle/Diff Fluid Capacity | 7.4 gal (28 L) |
| Static Tipping Weight | 29712 lb (13477.2 kg) |
| Turning Radius | 18 ft in (5460 mm) |
| Operating Voltage | 12 V |
| Alternator Supplied Amperage | 95 amps |
| Rear Axle Oscillation | 26 degrees |
| Tire Size | 20.5-25 |
Transmission
| Transmission Type | Powershift |
| 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
| 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 |
| Pump Type | Gear pump type |
