John Deere 9R 640

The John Deere 9R 640 is a tractor produced by John Deere. It is equipped with a 826.9 ci 13.6 L engine. The rated power output is 631.6 hp 471.0 kW. Transmission: e18. Operating weight: 46680 lbs 21174 kg.

Overview

	2021 - 9R SeriesFour-wheel Drive (4WD) tractor
2021 -
9R Series
Four-wheel Drive (4WD) tractor

2021 -
9R Series
Four-wheel Drive (4WD) tractor

Production
Manufacturer	John Deere
Four-wheel Drive (4WD) tractor
Built in Waterloo, Iowa, USA
Original price was $726,306 in 2023

Variants
9R 640	wheeled 4WD
9RX 640	articulated crawler

John Deere 9R 640 Engine
John Deere 13.6L 6-cyl diesel
Fuel tank	400 gal 1514.0 L
Exhaust fluid (DEF)	31.7 gal 120.0 L
Engine details ...

John Deere 9R 640 Transmission
18-speed full power shift
Transmission details ...

John Deere 9R 640 Power
Engine (gross)	631.6 hp 471.0 kW
Engine (max)	681.2 hp 508.0 kW
PTO (claimed)	335 hp 249.8 kW

Mechanical
Four-wheel drive
Final drives	inboard planetary
Differential lock	electro-hydraulic front and rear
Articulated power steering
Hydraulic wet disc brakes
Cab standard with air-conditioning.

Hydraulics
Type	closed center pressure/flow compensated
Pressure	2900 psi 200.0 bar
Valves	4 to 8
Pump flow	55 gpm 208.2 lpm
	110 gpmOptOptional 416.4 lpm
SCV flow	35 gpm 132.5 lpm
	42 gpm*Optional, 3/4 inch coupler 159.0 lpm

Tractor hitch
Rear Type	IVN/IV
Rear lift (at 24"/610mm)	15000 lbs 6804 kg
	20000 lbs 9072 kg

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	1000 (1.75)

Dimensions & Tires
Wheelbase	154 inches 391 cm
Weight	46680 lbs 21174 kg
Front tire	800/70R38
Rear tire	800/70R38
Full dimensions and tires ...

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

References
9 Series Tractors published in 2022, by John Deere
Operator's Manual 9R Tractors (OMTR118780) published in 2021

Engine

	2021 - 9R SeriesFour-wheel Drive (4WD) tractor
2021 -
9R Series
Four-wheel Drive (4WD) tractor

2021 -
9R Series
Four-wheel Drive (4WD) tractor

Engine Detail
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
Bore/Stroke	5.20x6.50 inches 132 x 165 mm
Emissions	Tier IV
Rated Power (gross)	631.6 hp 471.0 kW
Maximum Power (gross)	681.2 hp 508.0 kW
Fuel system	electronic high-pressure common rail
Air cleaner	dry
Compression	15.9:1
Rated RPM	2100
Torque	2179 lb-ft 2954.7 Nm
Torque RPM	1550
Starter	electric
Starter volts	12
Oil capacity	67.6 qts 64.0 L
Oil change	500 h
Coolant capacity	59.7 qts 56.5 L

John Deere 9R 640 Engine

Transmission

	2021 - 9R SeriesFour-wheel Drive (4WD) tractor
2021 -
9R Series
Four-wheel Drive (4WD) tractor

2021 -
9R Series
Four-wheel Drive (4WD) tractor

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

Speeds
With group 48 tires.

Shift Pattern

Dimensions

	2021 - 9R SeriesFour-wheel Drive (4WD) tractor
2021 -
9R Series
Four-wheel Drive (4WD) tractor

2021 -
9R Series
Four-wheel Drive (4WD) tractor

John Deere 9R 640 Tires
Ag front	800/70R38
Ag rear	800/70R38

Dimensions
Wheelbase	154 inches 391 cm
Length	312.8 inches 794 cm
Width	173.3 inches*Minimum width over tires. 440 cm
Height (cab)	147.3 inches 374 cm
Height (exhaust)	147.1 inches 373 cm
Shipping weight	46680 lbs 21174 kg
Max weight	67000 lbs 30391 kg
Front axle	4.72 by 120 inches 119 by 3048 mm
Rear axle	4.72 by 120 inches 119 by 3048 mm