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Tractor · 2021Unverified

John Deere 9RX 640

Name: John Deere 9RX 640
Brand: John Deere

John Deere 9RX 640 — 9R Series · 632 hp. Reference specifications; pending source verification.

The John Deere 9RX 640 is a high-power tractor model, rated at approximately 632 horsepower. It was produced in 2021. Powered by a 6-cylinder turbocharged diesel liquid-cooled engine, this model features four-wheel drive and a powershift transmission. It has an operating weight of 25,546 kg, making it suitable for large-scale operations covering 1,500+ acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

632 hp

Max power

691 hp

Weight

25546 kg

Catalogue coverage

Variants represented

Richest spec table

119 rows

Recorded power

632 hp

Recorded weight

25546 kg

Transmissions

18-speed full power shift

Production years

2021-2021

Verified variants

1 linked source document displayed

Hover a source tag to verify

Overview

ManufacturerJohn DeereReference

Articulated Crawler tractorReference

Built in Waterloo, Iowa, USAReference

Original price$896,199 (2023 )Reference

Original price$999,007 (2026 )Reference

Drivearticulated-crawlerReference

Final drivesbull gearReference

Differential lockelectro-hydraulic front and rearReference

Articulated power steeringReference

Hydraulic wet disc brakesReference

Cab standard with air-conditioning.Reference

Variants

9R 640wheeled 4WDReference

9RX 640articulated crawlerReference

Engine

John Deere 13.6L 6-cyl dieselReference

Fuel tank1514.0 LReference

Exhaust fluid (DEF)120.0 LReference

Engine (gross)471.0 kWReference

Engine (max)508.0 kWReference

John Deere JD14Reference

turbocharged aftercooled dieselReference

6-cylinder 24-valveReference

liquid-cooled inlineReference

During the first year of production the 9R 640 used a Cummins QSX15 engine.Reference

Displacement13.6 LReference

Bore/Stroke132 x 165 mmReference

EmissionsTier IVReference

Rated Power (gross)471.0 kWReference

Maximum Power (gross)508.0 kWReference

Fuel systemelectronic high-pressure common railReference

Air cleanerdryReference

Compression15.9:1Reference

Rated RPM2100Reference

Torque2954.7 NmReference

Torque RPM1550Reference

StarterelectricReference

Starter volts12Reference

Oil capacity64.0 LReference

Oil change500 hReference

Coolant capacity56.5 LReference

Fuel TypeDieselReference

Emissions complianceFinal Tier 4 (FT4)Reference

Engine torque at rated speedOption 1: 2,954 Nm\\nOption 2: 2,100 rpmReference

Interval for engine oil change500 hoursReference

Interval for engine coolant change6,000 hoursReference

Cooling system56.5 LReference

Transmission

18-speed full power shiftReference

Transmissione18Reference

Typefull power shiftReference

Gears18 forward and 6 reverseReference

Transmission TypePowershiftReference

Wheel Drive4 trackReference

Track Drive typeFour track systemReference

Rear Axle Drive TypeBull gear and double idler with floating pinionReference

Interval for hydraulic/transmission oil change1,500 hoursReference

PTO & Hydraulics

PTO (claimed)249.8 kWReference

Typeclosed center pressure/flow compensatedReference

Pressure200.0 barReference

Valves4 to 8Reference

Pump flow208.2 lpmReference

Pump flow416.4 lpmReference

SCV flow132.5 lpmReference

SCV flow159.0 lpmReference

Rear TypeIVN/IVReference

Rear lift (at 24"/610mm)6804 kgReference

Rear lift (at 24"/610mm)9072 kgReference

Rear PTOindependentReference

Rear PTO Type1000 (1.75)Reference

Dimensions

Wheelbase412 cmReference

Weight25546 kgReference

30-inch tracksReference

Length879 cmReference

Height (cab)371 cmReference

Height (exhaust)368 cmReference

Shipping weight25546 kgReference

Gauge220/304 cmReference

Electrical

GroundnegativeReference

Charging systemalternatorReference

Charging amps250Reference

Charging amps330Reference

Batteries3Reference

Battery volts12Reference

Alternator size250 ampReference

Battery options12 VReference

Total cold cranking amps3 x 925 CCA\\nTotal: 2,775 CCAReference

John Deere 9RX 640 Tracks

Width76 cmReference

Width91 cmReference

General

Make & ModelMJDXL13.5,334Reference

SCV controlElectronicReference

Drawbar categoryCategory 5Reference

Drawbar Maximum vertical load5,443.1 kgReference

Rear Axle Differential LockFull-locking electrohydraulicReference

Front Axle Differential LockFull-locking electrohydraulicReference

Country of manufacturerUSAReference

Type of headlight bulbStandard: halogen, 65 W\\nOptional: LEDReference

Capacities

Capacity827 cu. in.Reference

Diesel exhaust fluid (DEF) tank120 LReference

Crankcase oil volume16.9 U.S. galReference

Power

Max Power691 hpReference

Rated Power640 hpReference

Power boost8 percentReference

PTO

PTO Power335 hpReference

PTO torque rise38 percentReference

Rear PTO ControlElectrohydraulicReference

Rear PTO PowerAvailableReference

Rear PTO RPM1,000 rpmReference

Hydraulics

Pump Rated Output (total)416 l/minReference

Remote Valves4Reference

Rear Hitch category (SAE designation)4N/4Reference

Rear Hitch maximum lift capacity15,000Reference

Rear Hitch Sensing TypeElectrohydraulic with draft sensingReference

Dimensions & weight

Drawbar clearance311 mmReference

Turning radius6.4 mReference

Overall weight25,846.1 kgReference

Track width914 mmReference

Track Tread SpacingWide undercarriage: 2,218 mm\\n87 in.\\n3,048 mm\\n120 in.Reference

Tracks Mid RollersTwoReference

Operator station

Cab AvailabilityAvailableReference

Cab glass area71.47 sq ftReference

Cab space115 cu ftReference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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