| Manufacturer | John Deere |
|---|---|
| Model | 644D |
| Type | Wheel Loader |
| Horsepower | 155 hp (115,6 kW) |
| Weight | 29320 lbs (13299,3 kg) |
| Tipping Capacity | 25210 lbs (11435,1 kg) |
| Max Speed | 27.3 mph (43,9 km/h) |
| Engine Model | 6-466T |
| No Of Cylinders | 6 |
| Aspiration | Turbocharged |
| Displacement | 466 cu in. (7636,4 cc) |
| Alternator Supplied Amperage | 42 amps |
| Operating Voltage | 12 V |
| Rated Speed | 2200 RPM |
| Torque Speed | 1400 RPM |
| Net Power | 155 hp (115,6 kW) |
| Gross Power | 165 hp (123,0 kW) |
| Peak Torque | 480 lbs ft (650,8 N-m) |
| Fuel Capacity | 67 gal (253,6 l) |
| Engine Oil Capacity | 5.1 gal (19,3 l) |
| Cooling Capacity | 7.4 gal (28,0 l) |
| Hydraulic System Capacity | 25.1 gal (95,0 l) |
| Transmission Oil Capacity | 9.8 gal (37,1 l) |
| Differential Front Capacity | 6.1 gal (23,1 l) |
| Differential Rear Capacity | 6.1 gal (23,1 l) |
| Transmission Type | Power shift |
| No of Forward Gears | 4 |
| No of Reverse Gears | 2 |
| Rear Axle Oscillation | 22° |
| Max Speed (Forward) | 27.3 mph (43,9 km/h) |
| Max Speed (Reverse) | 8.2 mph (13,2 km/h) |
| Pump type | Gear |
| Pump Flow | 63 GPM (238,5 LPM) |
| Relief Pressure | 2625 psi (181,0 bar) |
| Raise Lift Arms | 6.1 sec |
| Lower Lift Time | 4.3 sec |
| Bucket Dump Time | 2 sec |
| Operating Weight | 29320 lbs (13299,3 kg) |
| Tipping Load | 25210 lbs (11435,1 kg) |
| Bucket Capacity (Heaped) | 3 cu yds (2,3 m³) |
| Bucket Capacity (Struck) | 2.5 cu yds (1,9 m³) |
| Bucket Width | 108 in (274,3 cm) |
| Breakout Force | 24430 lbs (11081,3 kg) |
| Reach At Max Lift And Dump | 36 in (91,4 cm) |
| Dump Clearance At Max Raise | 120 in (304,8 cm) |
| Turning Radius | 192 in (487,7 cm) |
| Wheelbase | 120 in (304,8 cm) |
| Bucket Hinge Pin | 156 in (396,2 cm) |
| Cab Height | 120 in (304,8 cm) |
| Overall Length | 276 in (701,0 cm) |
| Ground Clearance | 24 in (61,0 cm) |
| Width Over Tires | 108 in (274,3 cm) |
| Tire Size | 20.5-25 |
John Deere 644D Specs (Weight, Lift Capacity, Hp, Dimensions)
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