Head to head · Four-Wheel Drive

John Deere 9620R vs John Deere 9RX 640

John Deere 9620R Tractor
John DeereModel A

John Deere 9620R

Four-Wheel Drive

power
620 hp
displacement
912 ci
Cylinders
6
Forward gears
18
Full 9620R specs
John Deere 9RX 640 Tractor
John DeereModel B

John Deere 9RX 640

Four-Wheel Drive

power
632 hp
displacement
827 ci
Cylinders
6
Forward gears
18
Full 9RX 640 specs
John DeereJohn Deere 9620R
vs
John DeereJohn Deere 9RX 640

How they compare

Headline specs vs. the whole Four-Wheel Drive

n = 71–162

Engine Power

▲ 9RX 640 higher · +12 hp (+2%)
9620R620 hp
9RX 640632 hp
Median Four-Wheel Drive Tractor375 hp

9620R is in the 97th percentile; 9RX 640 is in the 99th · 162 models

Engine Displacement

▲ 9620R higher · +85 ci (+10%)
9620R912 ci
9RX 640827 ci
Median Four-Wheel Drive Tractor826 ci

9620R is in the 78th percentile; 9RX 640 is in the 53rd · 152 models

Cylinders

= Effectively tied
9620R6
9RX 6406
Median Four-Wheel Drive Tractor6

9620R is in the 50th percentile; 9RX 640 is in the 50th · 159 models

Forward Gears

= Effectively tied
9620R18
9RX 64018
Median Four-Wheel Drive Tractor16

9620R is in the 86th percentile; 9RX 640 is in the 86th · 146 models

9620R (A)9RX 640 (B)Median Four-Wheel Drive Tractor

Full comparison

Every spec, side by side

General Information

SpecJohn Deere 9620RJohn Deere 9RX 640Difference
ManufacturerJohn DeereJohn DeereSame
Model9620R9RX 640—
CategoryFour-Wheel DriveFour-Wheel DriveSame

Engine

SpecJohn Deere 9620RJohn Deere 9RX 640Difference
ManufacturerCumminsJohn Deere—
ModelQSX15JD14—
Power Output620hp632hp▲ 9RX 640+12 hp · +2%
Rated RPM2,100RPM2,100RPMSame
Cylinders66Same
Displacement912ci827ci▲ 9620R+85 ci · +10%
Bore5.4in5.2in▲ 9620R+0.2 in · +4%
Stroke6.7in6.5in▲ 9620R+0.2 in · +3%

Transmission

SpecJohn Deere 9620RJohn Deere 9RX 640Difference
TypeFull power shiftfull power shiftSame

Dimensions & Weight

SpecJohn Deere 9620RJohn Deere 9RX 640Difference
Length319in346in▲ 9RX 640+27 in · +8%
Width193in30in▲ 9620R+163 in · +543%
Height145in146in▲ 9RX 640+1 in · <1%
Operating Weight47,895lb56,320lb▲ 9RX 640+8,425 lb · +18%

Hydraulics

SpecJohn Deere 9620RJohn Deere 9RX 640Difference
System TypeClosed-center pressure/flow compensatedclosed center pressure/flow compensated—
Steering TypeArticulated powerNot recorded—

Power Take-off (PTO)

SpecJohn Deere 9620RJohn Deere 9RX 640Difference
TypeIndependent with electro-hydraulic clutchNot recorded—
Speed 11,000rpmNot recorded—

Hitch & Towing

SpecJohn Deere 9620RJohn Deere 9RX 640Difference
Hitch TypeNot recordedIVN/IV—
Hitch CategoryCategory 33—
Hitch PositionNot recordedRear—
Hitch Capacity15,000lbNot recorded—

Chassis & Drive

SpecJohn Deere 9620RJohn Deere 9RX 640Difference
Chassis Type4x4 articulated 4WDNot recorded—
Drive Type4WDNot recorded—
Steering TypeArticulated powerNot recorded—
Brake TypeHydraulic wet discNot recorded—

Electrical

SpecJohn Deere 9620RJohn Deere 9RX 640Difference
Starter TypeElectricelectricSame

Capacities

SpecJohn Deere 9620RJohn Deere 9RX 640Difference
Coolant21.9gal14.9gal▲ 9620R+7 gal · +47%

Operator Station

SpecJohn Deere 9620RJohn Deere 9RX 640Difference
TypeCommand View Cab III (standard)Cab—

Category context

Both models against the field

Engine Power

median 375 hp
A · 97th percentile (620 hp)B · 99th percentile (632 hp)

Engine Displacement

median 826 ci
A · 78th percentile (912 ci)B · 53rd percentile (827 ci)

Cylinders

median 6
A · 50th percentile (6)B · 50th percentile (6)

Forward Gears

median 16
A · 86th percentile (18)B · 86th percentile (18)

Operating Weight

median 37,428 lb
A · 86th percentile (47,895 lb)B · 96th percentile (56,320 lb)
A · 9620RB · 9RX 640Median Four-Wheel Drive Tractor
Full spec pageJohn Deere 9620RFull spec pageJohn Deere 9RX 640