Compare/John Deere 6615 vs John Deere 7420

John Deere 6615 vs John Deere 7420

Verdict: John Deere 6615 vs John Deere 7420

The John Deere 6615 and the John Deere 7420 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 117 hp. John Deere 6615 is the lighter machine (8,776 kg vs 12,890 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. 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

117 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

Four power shift gears (1-4) in four synchronized ranges (A-D) with power shuttle lever.Reference

available with MFWD onlyReference

Differential lock

electro-hydraulic rearReference

Steering

hydrostatic powerReference

—

Final drives

—

inboard planetaryReference

Variants

6615

utilityReference

—

7420

—

row-cropReference

6615HC

high-clearanceReference

—

7420HC

—

high-cropReference

Engine

Fuel tank

207.0 LReference

Engine (gross)

87.0 kWReference

—

Engine (net)

85.8 kWReference

—

Drawbar (tested)

62.2 kWReference

76.7 kWReference

Displacement

6.8 LReference

Bore/Stroke

106 x 127 mmReference

Rated Power (net)

85.8 kWReference

—

Rated Power (gross)

87.0 kWReference

—

Compression

17:1Reference

Rated RPM

2300Reference

2100Reference

Operating RPM

1500-2300Reference

1300-2100Reference

Firing order

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

Starter volts

12Reference

Starter power

3.1 kWReference

Oil capacity

20.1 LReference

56.0 LReference

ROPS Coolant capacity

13.0 LReference

—

Cab Coolant capacity

15.5 LReference

—

Max power

62.2 kWReference

76.7 kWReference

Power at rated engine speed

74.3 kWReference

86.9 kWReference

Fuel Type

dieselReference

—

No of Cylinders

6 cylinderReference

—

Rated engine speed

2,300 RPMReference

—

Engine torque at rated speed

151.5 kgReference

—

Bore and stroke

4.19x5.00 inchesReference

—

Compression ratio

17:1Reference

—

Cooling system

liquid-cooledReference

—

Engine

—

100.7 kWReference

Power

—

100.7 kWReference

Air cleaner

—

dual paper elementsReference

Idle RPM

—

850-2250Reference

Torque

—

610.2 NmReference

Torque RPM

—

1500Reference

Coolant capacity

—

28.0 LReference

Transmission

PowrQuadReference

Infinitely Variable Transmission (IVT)Reference

Gears

16 forward and reverseReference

infinite forward and reverseReference

Transmission Type

Power QuadReference

—

Wheel Drive

4WDReference

—

PTO & Hydraulics

PTO (claimed)

70.8 kWReference

85.8 kWReference

PTO (tested)

78.5 kWReference

95.0 kWReference

Type

four-speed power shiftReference

partial power shiftReference

Valves

1 to 4Reference

4Reference

Pump flow

66.2 lpmReference

101.1 lpmReference

Rear Type

IIReference

Control

electro-hydraulic lower-link draft sensingReference

—

Rear lift (at 24"/610mm)

2683 kgReference

—

Rear PTO

independentReference

Clutch

wet discReference

electro-hydraulicReference

Rear PTO Type

540/1000Reference

540/1000 (1.375)Reference

Power at rated PTO speed

77.2 kWReference

—

Rear lift

—

3946 kgReference

Front PTO

—

independentReference

Front PTO Type

—

1000Reference

Dimensions

2WD Wheelbase

270 cmReference

286 cmReference

4WD Wheelbase

264 cmReference

Weight

8776 to 10252 poundsReference

12890 to 13280 poundsReference

Front tire

10.00-16Reference

14.9R28Reference

2WD Rear tire

18.4-38Reference

—

2WD Standard tires (ag)

Front: 10.00-16. Rear: 18.4-38Reference

—

4WD Standard tires (ag)

Front: 12.4-28. Rear: 18.4-38Reference

—

2WD Optional tires (ag)

Front: 10.00-16. Rear: 18.4-34Reference

—

4WD Optional tires (ag)

Front: 13.6-28. Rear: 18.4-38Reference

—

Length

450 cmReference

516 cmReference

Height (exhaust)

273 cmReference

—

Rack-and-pinion rear axle

78 by 2555 mmReference

86 by 2806 mmReference

2WD ROPS Shipping

3980 kgReference

—

2WD Cab Shipping

4380 kgReference

—

4WD ROPS Shipping

4246 kgReference

—

4WD Cab Shipping

4650 kgReference

—

Rear tire

—

18.4R38Reference

Ag front

—

14.9R28Reference

Ag rear

—

18.4R38Reference

Width

—

243 cmReference

Height

—

289 cmReference

4WD Clearance (front axle)

—

52 cmReference

Flanged rear axle

—

1663 mmReference

Front tread

—

150 to 211 cmReference

Rear tread

—

152 to 302 cmReference

Shipping

—

5846 kgReference

Operating

—

6023 kgReference

Ballasted

—

7101 kgReference

Max Drawbar

—

2247 kgReference

Max front axle

—

6849 kgReference

Max rear axle

—

7795 kgReference

John Deere 6615 attachments

Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

90Reference

150Reference

Battery CCA

1230Reference

850Reference

Battery volts

12Reference

Battery AH

154Reference

—

Attachment overview

Test results

Fuel use

25.4 l/hourReference

Max pull

4479 kgReference

—

Speeds

General

Make & Model

John DeereReference

—

Rear Axle Type

Flange | Rack-and-pinionReference

—

Country of manufacturer

BrazilReference

—

Capacities

Capacity

414.4 ciReference

—

Crankcase oil volume

21.2 qtsReference

—

Max capacity

—

9995 kgReference

PTO

PTO Power

103 hpReference

—

Rear PTO Power

AvailableReference

—

Rear PTO RPM

1,000 RPMReference

—

Steering & brakes

Brakes

Hydraulic Wet DiscReference

—

Steering type

Hydrostatic PowerReference

—

Hydraulics

Hydraulics Type

Closed CenterReference

—

Maximum operating pressure

2,900 psiReference

—

Remote Valves

2 to 3 ValvesReference

—

Rear Hitch category (SAE designation)

Category IIReference

—

Rear Hitch maximum lift capacity

2,469.8 kgReference

—

Rear Hitch Sensing Type

electronic lower linkReference

—

Dimensions & weight

Wheelbase

264.9 cmReference

—

Overall Height

273.8 cmReference

—

Overall Length

492 cmReference

—

Overall weight

4,246.1 kgReference

—

Wheels & tyres

Rear Wheel Type

23.1-30Reference

—

Rear wheel tread range

64.4 to 75.5 inchesReference

—

Front Wheel Type

14.9-26.Reference

—

Front Wheel tread range

63.6 to 84.8 inchesReference

—

Operator station

Cab Availability

AvailableReference

—

Seat Suspension

TRUEReference

—

John Deere 7420 attachments

7420 Serial Numbers

2003

—

1001Reference

2004

—

10001Reference

2005

—

30001Reference

2006

—

45001Reference

2007

—

60001Reference

Location:

—

On the main tractor frame, right side, above the front axle.Reference

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.