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John Deere 5125R vs John Deere 6620 Premium
Verdict: John Deere 5125R vs John Deere 6620 Premium
The John Deere 5125R and the John Deere 6620 Premium are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 125 hp. John Deere 5125R is the lighter machine (4,300 kg vs 5,230 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 6620 Premium holds more fuel (207.0 L vs 177.9 L) for longer stints between fills. John Deere 5125R is the newer design (2017 vs 2001). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
John Deere
94
Fit score
Best match
Clear
John Deere
94
Fit score
Best match
Clear
Rated power
125 hp
125 hp
Confidence
98%
98%
Guide price
—
—
Overview
Manufacturer
John DeereReference
John DeereReference
Eight power-shift gears (1-8) in four ranges (A-D) with power shuttle.Reference
liquid-cooledReference
Differential lock
electro-hydraulic frontReference
—
Trailer brakes
pneumaticReference
—
Steering
—
hydrostatic powerReference
Engine
Fuel tank
177.9 LReference
207.0 LReference
Engine (gross)
93.2 kWReference
—
Engine (max)
100.7 kWReference
—
Displacement
4.5 LReference
6.8 LReference
Bore/Stroke
106 x 127 mmReference
106 x 127 mmReference
Emissions
Stage IIIBReference
—
Emission control
exhaust-gas recirculation, diesel oxidation catalyst, and diesel particulate filterReference
—
Rated Power (gross)
93.2 kWReference
—
Maximum Power (gross)
100.7 kWReference
—
Fuel system
electronic high-pressure common railReference
—
Rated RPM
2200Reference
2300Reference
Operating RPM
1650-2200Reference
1300-2300Reference
Torque
534.1 NmReference
531.6 NmReference
Torque RPM
1500Reference
1500Reference
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Engine (net)
—
93.2 kWReference
Rated Power (net)
—
93.2 kWReference
Idle RPM
—
850-2460Reference
Firing order
—
1-5-3-6-2-4Reference
Intake valve clearance
—
0.356 mmReference
Exhaust valve clearance
—
0.457 mmReference
Transmission
Transmission
Command8Reference
AutoQuad IIReference
Gears
32 forward and 16 reverseReference
24 forward and reverseReference
PTO & Hydraulics
Type
eight-speed power shiftReference
partial power shiftReference
Rear valves
4Reference
—
Mid valves
3Reference
—
Pump flow
117.0 lpmReference
96.1 lpmReference
Rear Type
IIReference
II/IIINReference
Control
electronic lower-link draft sensingReference
—
Rear lift (at 24"/610mm)
3080 kgReference
—
Front Hitch
IIReference
—
Front lift (at ends)
2854 kgReference
—
Rear PTO
independentReference
independentReference
Clutch
electro-hydraulicReference
—
Rear PTO Type
540/540E/1000 (1.375)Reference
540/1000Reference
Front PTO
independentReference
—
Front PTO Type
1000Reference
—
Engine RPM
1000@2000Reference
—
PTO (claimed)
—
82.0 kWReference
Pressure
—
200.0 barReference
Rear lift
—
7420 kgReference
Dimensions
Wheelbase
225 cmReference
—
Weight
4300 kgReference
5230 kgReference
Front tire
480/65R24Reference
14.9R28Reference
Rear tire
540/65R38Reference
18.4R38Reference
Standard tires (ag)
Front: 480/65R24. Rear: 540/65R38Reference
Front: 14.9R28. Rear: 18.4R38Reference
Length
365 cmReference
—
Width
215 cmReference
—
Height
269 cmReference
—
Shipping weight
4300 kgReference
—
Max weight
8600 kgReference
—
Front axle
Suspended 4WDReference
—
Max front axle
—
4500 kgReference
Max rear axle
—
6899 kgReference
John Deere 5125R attachments
Electrical
Ground
negativeReference
negativeReference
Charging system
alternatorReference
alternatorReference
Charging amps
200Reference
115Reference
Battery CCA
550Reference
—
Battery volts
12Reference
12Reference
Attachment overview
6620 Premium Serial Numbers
Location:
—
Right side of main tractor frame.Reference
Capacities
Max capacity
—
8500 kgReference
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.