644 P-Tier Mid-Size Wheel Loader
- Net Power: 186 kW (249 hp) at 1,800 rpm
- Operating Weight: 18 709–18 744 kg (41,246–41,324 lb.)
- Bucket Capacity: 3.1–3.6 m3 (4.0–4.75 cu. yd.)
Specifications
Specifications
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| Specifications | ||||
|---|---|---|---|---|
| Select up to 4 models to compare specifications | John Deere 644 P-Tier Mid-Size Wheel Loader |
DRIVELINE
| Engine Manufacturer | John Deere | |||
|---|---|---|---|---|
| Engine Model | PowerTech PSS 6068 | |||
| Emission Rating | Tier 4 / Stage V | |||
| Displacement, ltr (Inches³) | 6.8 (415) | |||
| Rated Speed, rpm | 1800 | |||
| Engine Output - Net, kW (hp) | 186 (249) | |||
| Torque, Nm (lbf / ft) | 1100 (811) | |||
| Torque Rise, % | 58 | |||
| Transmission Type | Powershift | |||
| Front Differential Type | Locking | |||
| Rear Differential Type | Open | |||
| Tire size - Standard | 23.5 R25 | |||
| Service Brake - Type | Wet Disc | |||
| Service Brake - Location | All Wheels | |||
| Service Brake - Actuation | Hydraulic | |||
| Parking Brake - Type | Wet Multi Disc |
DIMENSIONS
| Height - Over Cab, mm (ft/in) | 3450 (11 ft 4 in) | |||
|---|---|---|---|---|
| Wheelbase, mm (ft/in) | 3310 (10 ft 10 in) | |||
| Length - Including Bucket, mm (ft/in) | 8330 (27 ft 4 in) | |||
| Ground clearance, mm (inches) | 386 (15.2) | |||
| Width Over tires - Std, mm (ft/in) | 2875 (9 ft 5 in) | |||
| Height - Pivot Pin, mm (ft/in) | 4090 (13 ft 5 in) | |||
| Reach - At 2130mm 45° Dump, mm (ft/in) | 1610 (5 ft 3 in) | |||
| Turning Circle - Maximum, mm (ft/in) | 13000 (42 ft 9 in) |
CAPACITIES
| Fuel Tank, ltr (gallons (US)) | 350 (92.6) | |||
|---|---|---|---|---|
| Hydraulic Tank, ltr (gallons (US)) | 105.2 (27.8) | |||
| Axle - Front, ltr (gallons (US)) | 22 (5.75) | |||
| Axle - Rear, ltr (gallons (US)) | 22 (5.75) | |||
| Transmission, ltr (gallons (US)) | 23 (6.075) | |||
| Heaped Capacity, m³ (yd³) | 3.2 (4.25) | |||
| Smallest bucket capacity, m³ (yd³) | 3.2 (4.25) | |||
| Largest bucket capacity, m³ (yd³) | 3.4 (4.5) | |||
| Breakout - Bucket , kgf (lbf) | 15574 (34334) | |||
| Ride Control System | Optional | |||
| System Voltage, V | 24 | |||
| Alternator Output, Amp | 100 | |||
| Pump Type | Piston | |||
| Pump Flow - 1, lt/min (gallons (US) / min) | 310 (82) | |||
| System Pressure, bar (PSI) | 251.66 (3650) |
WEIGHTS
| Operating Weight, kg (lbs) | 18709 (41246) |
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