| Manufacturer | John Deere |
|---|---|
| Model | 644H MH |
| Type | Wheel Loader |
| Horsepower | 180 hp (134,2 kW) |
| Weight | 38930 lbs (17658,3 kg) |
| Tipping Capacity | 30910 lbs (14020,5 kg) |
| Max Speed | 24 mph (38,6 km/h) |
| Engine Model | 6081H |
| No Of Cylinders | 6 |
| Aspiration | Turbocharger with Aftercooler |
| Displacement | 496 cu in. (8128,0 cc) |
| Alternator Supplied Amperage | 55 amps |
| Operating Voltage | 24 V |
| Rated Speed | 2200 RPM |
| Torque Speed | 1300 RPM |
| Net Power | 180 hp (134,2 kW) |
| Gross Power | 212 hp (158,1 kW) |
| Peak Torque | 745 lbs ft (1010,1 N-m) |
| Torque Rise | 40 % |
| Fuel Capacity | 90 gal (340,7 l) |
| Engine Oil Capacity | 6.7 gal (25,4 l) |
| Cooling Capacity | 7.7 gal (29,1 l) |
| Hydraulic System Capacity | 31 gal (117,3 l) |
| Transmission Oil Capacity | 6.9 gal (26,1 l) |
| Differential Front Capacity | 7.2 gal (27,3 l) |
| Differential Rear Capacity | 7.2 gal (27,3 l) |
| Transmission Type | Power shift |
| No of Forward Gears | 4 |
| No of Reverse Gears | 3 |
| Rear Axle Oscillation | 26° |
| Max Speed (Forward) | 24 mph (38,6 km/h) |
| Max Speed (Reverse) | 16.4 mph (26,4 km/h) |
| Pump type | Piston pump |
| Pump Flow | 74 GPM (280,1 LPM) |
| Relief Pressure | 3600 psi (248,2 bar) |
| Raise Lift Arms | 6 sec |
| Lower Lift Time | 3 sec |
| Bucket Dump Time | 1.2 sec |
| Operating Weight | 38930 lbs (17658,3 kg) |
| Tipping Load | 30910 lbs (14020,5 kg) |
| Bucket Capacity (Heaped) | 4.5 cu yds (3,4 m³) |
| Bucket Capacity (Struck) | 3.8 cu yds (2,9 m³) |
| Bucket Width | 120 in (304,8 cm) |
| Breakout Force | 34340 lbs (15576,3 kg) |
| Reach At Max Lift And Dump | 36 in (91,4 cm) |
| Dump Clearance At Max Raise | 120 in (304,8 cm) |
| Turning Radius | 216 in (548,6 cm) |
| Wheelbase | 120 in (304,8 cm) |
| Bucket Hinge Pin | 168 in (426,7 cm) |
| Cab Height | 132 in (335,3 cm) |
| Overall Length | 312 in (792,5 cm) |
| Ground Clearance | 24 in (61,0 cm) |
| Width Over Tires | 108 in (274,3 cm) |
| Tire Size | 23.5-25 |
John Deere 644H MH Specs (Weight, Lift Capacity, Hp, Dimensions)
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