SPECS / COMPARISON
John Deere 644K High Lift vs John Deere 644K Hybrid
A detailed comparison of the John Deere 644K High Lift and the John Deere 644K Hybrid. Click a model name to view its full specifications.
Weight
John Deere 644K High Lift18506.6 kg (40800 lbs)
John Deere 644K Hybrid18343.3 kg (40440 lbs)
Operating Weight
John Deere 644K High Lift18506.6 kg (40800 lbs)
John Deere 644K Hybrid18343.3 kg (40440 lbs)
| Specification | John Deere 644K High Lift Wheel Loaders | John Deere 644K HybridWheel Loaders |
|---|---|---|
| Type | Wheel Loader | Wheel Loader |
| Horsepower | 173.0 kW (232 hp) | — |
| Weight | 18506.6 kg (40800 lbs) | 18343.3 kg (40440 lbs) |
| Tipping Capacity | 12228.8 kg (26960 lbs) | — |
| Max Speed | 36.7 km/h (22.8 mph) | — |
| Engine Model | 6068 H | PowerTech PSX 6068 |
| No Of Cylinders | 6 | — |
| Aspiration | Turbocharged charge air cooled | — |
| Displacement | 6784.3 cc (414 cu in.) | 6800.6 cc (415 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 % | 19 % |
| Fuel Capacity | 352.0 l (93 gal) | 397.1 l (104.9 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) | 38.2 l (10.1 gal) |
| Differential Front Capacity | 22.3 l (5.9 gal) | 22.3 l (5.9 gal) |
| Differential Rear Capacity | 22.3 l (5.9 gal) | 22.3 l (5.9 gal) |
| Transmission Type | Power shift | 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) | 18343.3 kg (40440 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) | 152.4 cm (60 in) |
| Dump Clearance At Max Raise | 335.3 cm (132 in) | — |
| Turning Radius | 548.6 cm (216 in) | — |
| Wheelbase | 335.3 cm (132 in) | 335.3 cm (132 in) |
| Bucket Hinge Pin | 457.2 cm (180 in) | 426.7 cm (168 in) |
| Cab Height | 335.3 cm (132 in) | — |
| Overall Length | 853.4 cm (336 in) | 823.0 cm (324 in) |
| Ground Clearance | 30.5 cm (12 in) | 46.1 cm (18.15 in) |
| Width Over Tires | 274.3 cm (108 in) | 274.3 cm (108 in) |
| Tire Size | 23.5 R25 | — |
| Alternator | — | 100 amps |
| Hydraulic Tank | — | 106.4 l (28.1 gal) |
Values come from the manufacturer-sourced model files; empty cells mean the property is not published for that model. No performance ranking is applied.