John Deere 644A Wheel Loader
Category: Wheel Loaders (See all Wheel Loaders for sale)
Manufacturer: John Deere (See all John Deere Equipment for sale)
Model: 644A (See all John Deere 644A for sale)
Bucket
| Specs | 39 Specs |
| Breakout Force | 41,515 lbs (18,831 kg) |
| Bucket Capacity - heaped | 3 cu yd (2 cu m) |
| Bucket Capacity - struck | 2 cu yd (2 cu m) |
| Bucket Width | 9 ft (3 m) |
| Dump Clearance at Max Raise | 9 ft (3 m) |
Dimensions
| Ground Clearance | 2 ft (0 m) |
| Height - Top of Cab | 10 ft (3 m) |
| Hinge Pin - Max Height | 12 ft (4 m) |
| Length with Bucket on Ground | 21 ft (6 m) |
| Reach at Max Lift and Dump | 3 ft (1 m) |
| Wheelbase | 9 ft (3 m) |
Engine
| Aspiration | Turbocharged |
| Displacement | 404 cu in (6,620 cu cm) |
| Gross Power | 141 hp (105 kw) |
| Net Power | 131 hp (98 kw) |
| Power Measured @ | 2400 rpm |
| Torque Measured @ | 1600 rpm |
Hydraulic System
| Pump Flow Capacity | 60 gpm (227 lpm) |
| Pump Type | Variable displacement type pump |
| Relief Valve Setting | 2250 psi |
Operating Specifications
| Alternator Supplied Amperage | 55 amps |
| Cooling System Fluid Capacity | 9 gal (34 l) |
| Engine Oil Fluid Capacity | 4 gal (16 l) |
| Front Axle/Diff Fluid Capacity | 6 gal (23 l) |
| Carrier Fuel Capacity | 50 gal (189 l) |
| Hydraulic System Fluid Capacity | 18 gal (66 l) |
| Operating Voltage | 12 volts |
| Operating Weight | 2,520 lbs (1,143 kg) |
| Rear Axle Oscillation | 22 degrees |
| Rear Axle/Diff Fluid Capacity | 7 gal (25 l) |
| Static Tipping Weight | 18,604 lbs (8,439 kg) |
| Tire Size | 16-24 / 20.5- 25 |
| Transmission Fluid Capacity | 10 gal (37 l) |
| Turning Radius | 16 ft (5 m) |
Transmission
| Max Speed - Forward | 23 mph (37 kph) |
| Max Speed - Reverse | 10 mph (15 kph) |
| Number of Forward Gears | 4 |
| Number of Reverse Gears | 2 |
| Transmission Type | Powershift Transmission |
