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John Deere 9RX 640 Specs ( 2021-Present )

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Production

Description Articulated Crawler tractor / Built in Waterloo, Iowa, USA / Original price was $896,199 in 2023
Manufacturer John Deere

Engine

Engine type John Deere 13.6L 6-cyl diesel
Exhaust fluid (DEF) 31.7 gal (120.0 L)
Fuel tank 400 gal (1514.0 L)
Air cleaner dry
Bore/Stroke 5.20x6.50 inches (132 x 165 mm)
Compression 15.9:1
Coolant capacity 59.7 qts (56.5 L)
Description John Deere JD14 / turbocharged aftercooled diesel / 6-cylinder 24-valve / liquid-cooled inline / During the first year of production the 9R 640 used a Cummins QSX15 engine.
Displacement 826.9 ci (13.6 L)
Emissions Tier IV
Fuel system electronic high-pressure common rail
Maximum Power (gross) 681.2 hp (508.0 kW)
Oil capacity 67.6 qts (64.0 L)
Oil change 500 h
Rated Power (gross) 631.6 hp (471.0 kW)
Rated RPM 2100
Starter electric
Starter volts 12
Torque 2179 lb-ft (2954.7 Nm)
Torque RPM 1550
Engine (gross) 631.6 hp (471.0 kW)
Engine (max) 681.2 hp (508.0 kW)
PTO (claimed) 335 hp (249.8 kW)

Transmission

Gears 18 forward and 6 reverse
Transmission e18
Transmission type 18-speed full power shift
Type full power shift

Mechanical

Cab Cab standard with air-conditioning.
Description Articulated power steering / Hydraulic wet disc brakes
Differential lock electro-hydraulic front and rear
Drive articulated-crawler
Final drives bull gear

Hydraulics

Pressure 2900 psi (200.0 bar)
Pump flow 55 gpm (208.2 lpm)
SCV flow 35 gpm (132.5 lpm)
Type closed center pressure/flow compensated
Valves 4 to 8

Hitch

Rear lift (at 24"/610mm) 15000 lbs (6804 kg)
Rear Type IVN/IV

PTO

Rear PTO independent
Rear PTO Type 1000 (1.75)

Electrical

Batteries 3
Battery volts 12
Charging amps 250
Charging system alternator
Ground negative

Dimensions & Tires

Gauge 87/120 inches (220/304 cm)
Height (cab) 146.3 inches (371 cm)
Height (exhaust) 145.1 inches (368 cm)
Length 346.3 inches (879 cm)
Shipping weight 56320 lbs (25546 kg)
Wheelbase 162.5 inches (412 cm)

Dimensions & Tracks

Description 30-inch tracks
Weight 56320 lbs (25546 kg)
Wheelbase 162.5 inches (412 cm)

John Deere 9RX 640 Tracks

Width 30 inches (76 cm) / 36 inches (91 cm)

References

Description 9 Series Tractors published in 2022, by John Deere / Operator's Manual 9RX Tractors (OMTR118862) published in 2021

Variants

9R 640 wheeled 4WD
9RX 640 articulated crawler

Nebraska Tractor Test Results

Test #2266
Test Date: April 25 to May 10, 2023
Location: Nebraska Tractor Test Laboratory, University of Nebraska, Lincoln, Nebraska 68583-0832

Maximum Power & Fuel Consumption

Max Power (1 Hour)
360.58 hp
@ 1895 rpm
Rated Engine Speed
312.15 hp
N/A lb/hp·hr
Standard PTO Speed
360.58 hp
@ N/A rpm PTO

Torque Statistics

Maximum Torque 1161 lb-ft (1574 Nm) at 1550 rpm
Torque Rise 48.7%

PTO Power Curve

359 269 180 90 0 312 hp @ 2100 rpm 312 2100 272 hp @ 2150 rpm 272 2150 204 hp @ 2150 rpm 204 2150 136 hp @ 2150 rpm 136 2150 68 hp @ 2150 rpm 68 2150 1 hp @ 2150 rpm 1 2150 MAX: 312.1 HP ENGINE RPM POWER (HP)

Maximum Power & Fuel Consumption Details

Condition HP kW RPM DEF gal/hr DEF L/hr
Rated Engine Speed 312.15 232.77 2100 0.51 1.93
Standard PTO Speed (1000 rpm) 360.58 268.88 1895 1.15 4.35
Maximum Power 360.58 268.88 1895 1.15 4.35

Varying Power & Fuel Consumption

Click column headers to sort

Power RPM gal/hr lb/hp·hr hp·hr/gal DEF gal/hr
312.15 2100 19.57 0.44 15.95 0.51
271.52 2150 17.76 0.46 15.19 0.55
204.06 2150 14.39 0.50 14.19 0.57
136.16 2150 11.24 0.58 12.11 0.50
67.87 2150 8.43 0.87 8.05 0.30
1.39 2150 5.86 29.72 0.24 0.19