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John Deere 644GH Specs
John Deere 644GH wheel loader specifications: type Wheel Loader, horsepower 138.0 kW, weight 16615.1 kg, tipping capacity 13476.2 kg.
Manufacturer specifications
| Specification | Metric | Imperial |
|---|---|---|
| Type | Wheel Loader | |
| Horsepower | 138.0 kW | 185 hp |
| Weight | 16615.1 kg | 36630 lbs |
| Tipping Capacity | 13476.2 kg | 29710 lbs |
| Max Speed | 34.6 km/h | 21.5 mph |
| Engine Model | 6076 A | |
| No Of Cylinders | 6 | |
| Aspiration | Turbocharged and Aftercooled | |
| Displacement | 7636.4 cc | 466 cu in. |
| Alternator Supplied Amperage | 95 amps | |
| Operating Voltage | 12 V | |
| Rated Speed | 2200 RPM | |
| Torque Speed | 1300 RPM | |
| Net Power | 138.0 kW | 185 hp |
| Gross Power | 146.2 kW | 196 hp |
| Peak Torque | 871.8 N-m | 643 lbs ft |
| Fuel Capacity | 284.3 l | 75.1 gal |
| Engine Oil Capacity | 24.2 l | 6.4 gal |
| Cooling Capacity | 28.8 l | 7.6 gal |
| Hydraulic System Capacity | 115.1 l | 30.4 gal |
| Transmission Oil Capacity | 14.0 l | 3.7 gal |
| Differential Front Capacity | 28.0 l | 7.4 gal |
| Differential Rear Capacity | 28.0 l | 7.4 gal |
| Transmission Type | Power shift | |
| No of Forward Gears | 4 | |
| No of Reverse Gears | 3 | |
| Rear Axle Oscillation | 26 ° | |
| Max Speed (Forward) | 34.6 km/h | 21.5 mph |
| Max Speed (Reverse) | 22.0 km/h | 13.7 mph |
| Pump type | Gear | |
| Pump Flow | 263.1 LPM | 69.5 GPM |
| Relief Pressure | 206.8 bar | 3000 psi |
| Raise Lift Arms | 6.2 sec | |
| Lower Lift Time | 3.5 sec | |
| Bucket Dump Time | 1.8 sec | |
| Operating Weight | 16615.1 kg | 36630 lbs |
| Tipping Load | 13476.2 kg | 29710 lbs |
| Bucket Capacity (Heaped) | 3.1 m³ | 4 cu yds |
| Bucket Capacity (Struck) | 2.8 m³ | 3.6 cu yds |
| Bucket Width | 304.8 cm | 120 in |
| Breakout Force | 17259.2 kg | 38050 lbs |
| Reach At Max Lift And Dump | 91.4 cm | 36 in |
| Dump Clearance At Max Raise | 304.8 cm | 120 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 | 792.5 cm | 312 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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