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John Deere 644J Specs
John Deere 644J wheel loader specifications: type Wheel Loader, horsepower 138.0 kW, weight 22067.3 kg, tipping capacity 13530.6 kg.
Manufacturer specifications
| Specification | Metric | Imperial |
|---|---|---|
| Type | Wheel Loader | |
| Horsepower | 138.0 kW | 185 hp |
| Weight | 22067.3 kg | 48650 lbs |
| Tipping Capacity | 13530.6 kg | 29830 lbs |
| Max Speed | 35.4 km/h | 22 mph |
| Engine Model | 6068 H | |
| No Of Cylinders | 6 | |
| Aspiration | Turbocharged change air cooled | |
| Displacement | 6784.3 cc | 414 cu in. |
| Alternator Supplied Amperage | 80 amps | |
| Operating Voltage | 24 V | |
| Rated Speed | 2200 RPM | |
| Torque Speed | 1400 RPM | |
| Net Power | 138.0 kW | 185 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 | 117.3 l | 31 gal |
| Transmission Oil Capacity | 26.9 l | 7.1 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) | 35.4 km/h | 22 mph |
| Max Speed (Reverse) | 24.9 km/h | 15.5 mph |
| Pump type | Variable axial piston | |
| Pump Flow | 287.7 LPM | 76 GPM |
| Relief Pressure | 249.9 bar | 3625 psi |
| Raise Lift Arms | 5.9 sec | |
| Lower Lift Time | 2.8 sec | |
| Bucket Dump Time | 1.9 sec | |
| Operating Weight | 22067.3 kg | 48650 lbs |
| Tipping Load | 13530.6 kg | 29830 lbs |
| Bucket Capacity (Heaped) | 3.1 m³ | 4 cu yds |
| Bucket Width | 304.8 cm | 120 in |
| Breakout Force | 12033.8 kg | 26530 lbs |
| Reach At Max Lift And Dump | 121.9 cm | 48 in |
| Dump Clearance At Max Raise | 274.3 cm | 108 in |
| Turning Radius | 548.6 cm | 216 in |
| Wheelbase | 304.8 cm | 120 in |
| Bucket Hinge Pin | 396.2 cm | 156 in |
| Cab Height | 335.3 cm | 132 in |
| Overall Length | 853.4 cm | 336 in |
| Ground Clearance | 61.0 cm | 24 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.
No listing yet. Want to be told?
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