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John Deere 644K High Lift Specs
John Deere 644K High Lift wheel loader specifications: type Wheel Loader, horsepower 173.0 kW, weight 18506.6 kg, tipping capacity 12228.8 kg.
Manufacturer specifications
| Specification | Metric | Imperial |
|---|---|---|
| Type | Wheel Loader | |
| Horsepower | 173.0 kW | 232 hp |
| Weight | 18506.6 kg | 40800 lbs |
| Tipping Capacity | 12228.8 kg | 26960 lbs |
| Max Speed | 36.7 km/h | 22.8 mph |
| Engine Model | 6068 H | |
| No Of Cylinders | 6 | |
| Aspiration | Turbocharged charge air cooled | |
| Displacement | 6784.3 cc | 414 cu in. |
| Alternator Supplied Amperage | 80 amps | |
| Operating Voltage | 24 V | |
| Rated Speed | 1700 RPM | |
| Torque Speed | 1400 RPM | |
| Net Power | 173.0 kW | 232 hp |
| Peak Torque | 1015.5 N-m | 749 lbs ft |
| Torque Rise | 55 % | |
| Fuel Capacity | 352.0 l | 93 gal |
| Engine Oil Capacity | 24.6 l | 6.5 gal |
| Cooling Capacity | 29.5 l | 7.8 gal |
| Hydraulic System Capacity | 110.2 l | 29.1 gal |
| Transmission Oil Capacity | 23.1 l | 6.1 gal |
| Differential Front Capacity | 22.3 l | 5.9 gal |
| Differential Rear Capacity | 22.3 l | 5.9 gal |
| Transmission Type | Power shift | |
| No of Forward Gears | 4 | |
| No of Reverse Gears | 3 | |
| Rear Axle Oscillation | 26 ° | |
| Max Speed (Forward) | 36.7 km/h | 22.8 mph |
| Max Speed (Reverse) | 24.9 km/h | 15.5 mph |
| Pump type | Variable axial piston | |
| Pump Flow | 310.0 LPM | 81.9 GPM |
| Relief Pressure | 251.7 bar | 3650 psi |
| Raise Lift Arms | 5.5 sec | |
| Lower Lift Time | 3 sec | |
| Bucket Dump Time | 1.4 sec | |
| Operating Weight | 18506.6 kg | 40800 lbs |
| Tipping Load | 12228.8 kg | 26960 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 | 13780.1 kg | 30380 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 | 335.3 cm | 132 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 | 30.5 cm | 12 in |
| Width Over Tires | 274.3 cm | 108 in |
| Tire Size | 23.5 R25 |
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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