John Deere 8RX 440: all source data
All 66 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.
Overview
Production| Manufacturer | John Deere |
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| (no label) | Agricultural Crawler tractor |
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Engine| (no label) | John Deere 13.6L 6-cyl diesel |
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| Fuel tank | 296.6 gal | 1122.6 L |
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| Exhaust fluid (DEF) | 18.2 gal | 68.9 L |
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Transmission| (no label) | continuously-variable transmission |
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Power| Engine (gross) | 434 hp | 323.6 kW |
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| Engine (max) | 477 hp | 355.7 kW |
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| Engine (boost) | 517 hp | 385.5 kW |
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| PTO (claimed) | 355 hp (Cat. III) | 264.7 kW |
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| PTO (claimed) | 386 hp (Cat. IV) | 287.8 kW |
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Hydraulics| Type | closed-center PFC |
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| Rear valves | 4 to 6 |
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| Pump flow | 84 gpm | 317.9 lpm |
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| Pump flow | 110 gpm | 416.4 lpm |
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| SCV flow | 35 gpm | 132.5 lpm |
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| SCV flow | 45 gpm | 170.3 lpm |
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Hitch| Rear Type | IVN/III |
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| Control | electro-hydraulic draft sensing |
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| Rear lift | 20000 lbs | 9072 kg |
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| Rear lift | 24000 lbs | 10886 kg |
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| Drawbar | Cat. V |
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Pto| Rear PTO | independent |
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| Rear PTO Type | 1000 (1.75) |
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| Rear PTO Type | 1300 (2.25) |
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| Front PTO | independent |
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| Clutch | electro-hydraulic wet disc |
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| Front PTO Type | 1000 (1.375) |
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Dimensions| Weight | 48389 lbs | 21949 kg |
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| (no label) | 21-inch tracks |
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Electrical| Ground | negative |
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| Charging system | alternator |
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| Charging amps | 250 |
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| Charging amps | 330 |
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| Batteries | 3 |
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| Battery CCA | 950 |
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| Battery volts | 12 |
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Engine
Engine detail| (no label) | John Deere JD14 |
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| (no label) | turbocharged aftercooled diesel |
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| (no label) | 6-cylinder 24-valve |
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| (no label) | liquid-cooled inline |
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| Displacement | 826.9 ci | 13.6 L |
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| Bore/Stroke | 5.20x6.50 inches | 132 x 165 mm |
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| Rated Power (gross) | 434 hp | 323.6 kW |
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| Maximum Power (gross) | 477 hp | 355.7 kW |
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| Boost Power | 517 hp | 385.5 kW |
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| Rated RPM | 1900 |
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| Torque | 1620 lb-ft | 2196.7 Nm |
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| Starter | electric |
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| Starter volts | 12 |
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Transmission
Transmission| Transmission | eAutoPowr EVT |
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| Type | continuously-variable transmission |
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| Gears | infinite forward and reverse |
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Dimensions
Tracks| Width | 21 inches | 53 cm |
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| Width | 24 inches | 60 cm |
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| Width | 30 inches | 76 cm |
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Dimensions| Gauge | 80 to inches | 203 to 0 cm |
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| Gauge | 88 to inches | 223 to 0 cm |
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| Gauge | 120 to inches | 304 to 0 cm |
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| Gauge | 132 to inches | 335 to 0 cm |
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| Gauge | 136 to inches | 345 to 0 cm |
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| Gauge | 144 to inches | 365 to 0 cm |
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Weight| (no label) | 48389 lbs | 21949 kg |
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| Max capacity (Max) | 62831 lbs | 28500 kg |
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| Max Drawbar | 19000 lbs | 8618 kg |
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