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John Deere 644H High Lift Specs
John Deere 644H High Lift wheel loader specifications: type Wheel Loader, horsepower 134.2 kW, weight 17690.1 kg, tipping capacity 11249.1 kg.
Manufacturer specifications
| Specification | Metric | Imperial |
|---|---|---|
| Type | Wheel Loader | |
| Horsepower | 134.2 kW | 180 hp |
| Weight | 17690.1 kg | 39000 lbs |
| Tipping Capacity | 11249.1 kg | 24800 lbs |
| Max Speed | 38.6 km/h | 24 mph |
| Engine Model | 6081 H | |
| No Of Cylinders | 6 | |
| Aspiration | Turbocharged with Aftercooler | |
| Displacement | 8128.0 cc | 496 cu in. |
| Alternator Supplied Amperage | 55 amps | |
| Operating Voltage | 24 V | |
| Rated Speed | 2200 RPM | |
| Torque Speed | 1300 RPM | |
| Net Power | 134.2 kW | 180 hp |
| Gross Power | 152.9 kW | 205 hp |
| Peak Torque | 1010.1 N-m | 745 lbs ft |
| Fuel Capacity | 340.7 l | 90 gal |
| Engine Oil Capacity | 25.4 l | 6.7 gal |
| Cooling Capacity | 29.1 l | 7.7 gal |
| Hydraulic System Capacity | 117.3 l | 31 gal |
| Transmission Oil Capacity | 26.1 l | 6.9 gal |
| Differential Front Capacity | 27.3 l | 7.2 gal |
| Differential Rear Capacity | 27.3 l | 7.2 gal |
| Transmission Type | Power shift | |
| No of Forward Gears | 4 | |
| No of Reverse Gears | 3 | |
| Rear Axle Oscillation | 26 ° | |
| Max Speed (Forward) | 38.6 km/h | 24 mph |
| Max Speed (Reverse) | 26.4 km/h | 16.4 mph |
| Pump type | Piston pump | |
| Pump Flow | 257.4 LPM | 68 GPM |
| Relief Pressure | 248.2 bar | 3600 psi |
| Raise Lift Arms | 6.2 sec | |
| Lower Lift Time | 3 sec | |
| Bucket Dump Time | 1.4 sec | |
| Operating Weight | 17690.1 kg | 39000 lbs |
| Tipping Load | 11249.1 kg | 24800 lbs |
| Bucket Capacity (Heaped) | 3.3 m³ | 4.3 cu yds |
| Bucket Capacity (Struck) | 2.8 m³ | 3.7 cu yds |
| Bucket Width | 304.8 cm | 120 in |
| Breakout Force | 13866.3 kg | 30570 lbs |
| Reach At Max Lift And Dump | 121.9 cm | 48 in |
| Dump Clearance At Max Raise | 335.3 cm | 132 in |
| Turning Radius | 548.6 cm | 216 in |
| Wheelbase | 304.8 cm | 120 in |
| Bucket Hinge Pin | 457.2 cm | 180 in |
| Cab Height | 335.3 cm | 132 in |
| Overall Length | 853.4 cm | 336 in |
| Ground Clearance | 61.0 cm | 24 in |
| Width Over Tires | 274.3 cm | 108 in |
| Tire Size | 20.5-25 |
Source: heavyequipments.net archive (imported 2026-10). Values may vary by variant and production year; seller claims are shown separately on the listing page.
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