Compare/John Deere 6125R vs John Deere 6620 Premium

John Deere 6125R vs John Deere 6620 Premium

Verdict: John Deere 6125R vs John Deere 6620 Premium

The John Deere 6125R 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 6620 Premium is the lighter machine (5,230 kg vs 5,910 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 6125R holds more fuel (219.5 L vs 207.0 L) for longer stints between fills. John Deere 6125R is the newer design (2012 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.

Tune the fit score

Tell us about your operation

Acreage600 acBudgetMain crop / use

Fit & specs

John Deere

Fit score

Best match

Clear

John Deere

Fit score

Best match

Clear

Rated power

125 hp

Confidence

98%

Guide price

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Overview

Manufacturer

John DeereReference

With 16.9R30 rear tires. Reverse speeds are about 5% faster than forward. 50 km/h version shown, 40 km/h only affects gear F4.Reference

liquid-cooledReference

Original price

$125,218 (2014 IVT 4WD )Reference

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Differential lock

hydraulic rear lockReference

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Steering

hydrostatic powerReference

Trailer brakes

hydraulicReference

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Engine

Fuel tank

219.5 LReference

207.0 LReference

Engine (gross)

93.2 kWReference

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Drawbar (tested)

67.7 kWReference

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Displacement

4.5 LReference

6.8 LReference

Bore/Stroke

106 x 127 mmReference

Emissions

Interim Tier 4Reference

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Emission control

exhaust gas recirculation (EGR)Reference

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Rated Power (gross)

93.2 kWReference

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Fuel system

high pressure common railReference

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Air cleaner

dual stage dryReference

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Rated RPM

2100Reference

2300Reference

Idle RPM

850-2250Reference

850-2460Reference

Operating RPM

1300-2100Reference

1300-2300Reference

Torque

585.8 NmReference

531.6 NmReference

Torque RPM

1600Reference

1500Reference

Firing order

1-3-4-2Reference

1-5-3-6-2-4Reference

Starter

electricReference

Starter volts

12Reference

Starter power

3.0 kWReference

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Intake valve clearance

0.480 mmReference

0.356 mmReference

Exhaust valve clearance

0.706 mmReference

0.457 mmReference

Max power

67.7 kWReference

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Power at rated engine speed

76.7 kWReference

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Fuel Type

DieselReference

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No of Cylinders

4 cylinderReference

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Rated engine speed

2,100 RPMReference

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Emissions compliance

Stage IIIb | exhaust gas recirculation (EGR)Reference

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Engine torque at rated speed

195.7 kgReference

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Bore and stroke

4.15x5.00 inchesReference

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Cooling system

liquid-cooledReference

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Engine (net)

—

93.2 kWReference

Rated Power (net)

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93.2 kWReference

Transmission

AutoPowr IVTReference

AutoQuad IIReference

Gears

infinite forward and reverseReference

24 forward and reverseReference

Transmission Type

Power QuadReference

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Wheel Drive

4WDReference

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PTO & Hydraulics

PTO (claimed)

75.3 kWReference

82.0 kWReference

PTO (tested)

87.9 kWReference

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Type

infinitely variable transmissionReference

partial power shiftReference

Pump flow

113.6 lpmReference

96.1 lpmReference

SCV flow

99.9 lpmReference

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Rear Type

2/3NReference

II/IIINReference

Control

electronic lower-link draft sensingReference

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Rear lift (at 24"/610mm)

2937 kgReference

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Drawbar

Category 2 swinging drawbar with hammerstrapReference

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Rear PTO

independentReference

Clutch

PermaClutch II hydraulic wet discReference

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Rear PTO Type

540/1000 (1.375)Reference

540/1000Reference

Power at rated PTO speed

86.4 kWReference

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Pressure

—

200.0 barReference

Rear lift

—

7420 kgReference

Dimensions

Wheelbase

258 cmReference

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Weight

5910 kgReference

5230 kgReference

Front tire

12.4R24Reference

14.9R28Reference

Rear tire

16.9R30 (4WD)Reference

18.4R38Reference

Standard tires (ag)

Front: 12.4R24. Rear: 16.9R30 (4WD)Reference

Front: 14.9R28. Rear: 18.4R38Reference

Length

454 cmReference

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Width

255 cmReference

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Height (cab)

288 cmReference

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Operating weight

5910 kgReference

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Ground clearance

50 cmReference

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Front axle

Triple-Link SuspensionReference

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Optional rack-and-pinion axle rear axle

78 by 2555 mmReference

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Max front axle

—

4500 kgReference

Max rear axle

—

6899 kgReference

John Deere 6125R attachments

6125R Serial Numbers

Location:

Serial number plate on right side of main tractor frame.Reference

Right side of main tractor frame.Reference

Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

200Reference

115Reference

Battery volts

12Reference

Battery AH

154Reference

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Attachment overview

Test results

Fuel use

27.3 l/hourReference

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Max pull

5878 kgReference

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Speeds

General

Make & Model

John DeereReference

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Cruise control

AvailableReference

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SCV control

JoystickReference

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Drawbar category

Category 2 swinging drawbar with hammerstrapReference

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Rear Axle Type

FlangeReference

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Front Axle Type

Triple-Link SuspensionReference

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ISOBUS ready

TRUEReference

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Country of manufacturer

GermanyReference

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Capacities

Capacity

276 ciReference

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Max capacity

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8500 kgReference

Hydraulics

Capacity Valves

16 ValvesReference

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Hydraulics Type

Pressure Flow Compensated (PFC)Reference

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Remote Valves

4 ValvesReference

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Rear Hitch category (SAE designation)

Category 3NReference

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Rear Hitch maximum lift capacity

4,350.9 kgReference

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Rear Hitch Sensing Type

load and depth control with electronic lower link sensingReference

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Front Hitch category (SAE designation)

Category 3NReference

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Power

Rated Power

125 hpReference

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PTO

PTO Power

101 hpReference

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Rear PTO Power

AvailableReference

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Rear PTO RPM

1,000 RPMReference

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Front PTO Power

AvailableReference

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Engine Speed on Rear PTO speed

1,000@1,950 RPMReference

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Engine Speed on Front PTO speed

1,000@1,995 RPMReference

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Dimensions & weight

Overall Height

279.7 cmReference

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Height Over Cab

279.7 cmReference

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Overall Length

454.2 cmReference

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Overall Width

255 cmReference

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Overall weight

5,470.8 kgReference

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Wheels & tyres

Rear Wheel Type

16.9R30 (4WD)Reference

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Front Wheel Type

12.4R24.(4 WD)Reference

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Operator station

Cab Availability

AvailableReference

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Seat Suspension

TRUEReference

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Steering & brakes

Steering type

Hydrostatic PowerReference

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6620 Premium Serial Numbers

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.