| Manufacturer | John Deere |
|---|---|
| Model | 644J |
| Type | Wheel Loader |
| Horsepower | 185 hp (138,0 kW) |
| Weight | 48650 lbs (22067,3 kg) |
| Tipping Capacity | 29830 lbs (13530,6 kg) |
| Max Speed | 22 mph (35,4 km/h) |
| Engine Model | 6068 H |
| No Of Cylinders | 6 |
| Aspiration | Turbocharged change air cooled |
| Displacement | 414 cu in. (6784,3 cc) |
| Alternator Supplied Amperage | 80 amps |
| Operating Voltage | 24 V |
| Rated Speed | 2200 RPM |
| Torque Speed | 1400 RPM |
| Net Power | 185 hp (138,0 kW) |
| Peak Torque | 749 lbs ft (1015,5 N-m) |
| Torque Rise | 55 % |
| Fuel Capacity | 93 gal (352,0 l) |
| Engine Oil Capacity | 6.5 gal (24,6 l) |
| Cooling Capacity | 7.8 gal (29,5 l) |
| Hydraulic System Capacity | 31 gal (117,3 l) |
| Transmission Oil Capacity | 7.1 gal (26,9 l) |
| Differential Front Capacity | 5.9 gal (22,3 l) |
| Differential Rear Capacity | 5.9 gal (22,3 l) |
| Transmission Type | Power shift |
| No of Forward Gears | 4 |
| No of Reverse Gears | 3 |
| Rear Axle Oscillation | 26° |
| Max Speed (Forward) | 22 mph (35,4 km/h) |
| Max Speed (Reverse) | 15.5 mph (24,9 km/h) |
| Pump type | Variable axial piston |
| Pump Flow | 76 GPM (287,7 LPM) |
| Relief Pressure | 3625 psi (249,9 bar) |
| Raise Lift Arms | 5.9 sec |
| Lower Lift Time | 2.8 sec |
| Bucket Dump Time | 1.9 sec |
| Operating Weight | 48650 lbs (22067,3 kg) |
| Tipping Load | 29830 lbs (13530,6 kg) |
| Bucket Capacity (Heaped) | 4 cu yds (3,1 m³) |
| Bucket Width | 120 in (304,8 cm) |
| Breakout Force | 26530 lbs (12033,8 kg) |
| Reach At Max Lift And Dump | 48 in (121,9 cm) |
| Dump Clearance At Max Raise | 108 in (274,3 cm) |
| Turning Radius | 216 in (548,6 cm) |
| Wheelbase | 120 in (304,8 cm) |
| Bucket Hinge Pin | 156 in (396,2 cm) |
| Cab Height | 132 in (335,3 cm) |
| Overall Length | 336 in (853,4 cm) |
| Ground Clearance | 24 in (61,0 cm) |
| Tire Size | 23.5 R25 |
John Deere 644J Specs (Weight, Lift Capacity, Hp, Dimensions)
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