Compare/John Deere 6115D vs John Deere 7420

John Deere 6115D vs John Deere 7420

Verdict: John Deere 6115D vs John Deere 7420

The John Deere 6115D and the John Deere 7420 are both tractors — here is how they stack up on the figures that matter. John Deere 6115D leads on rated power with 118 hp against 117 hp. John Deere 6115D is the lighter machine (7,495 kg vs 12,890 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 7420 holds more fuel (207.0 L vs 157.9 L) for longer stints between fills. John Deere 6115D is the newer design (2008 vs 2003). In short: choose the John Deere 6115D for outright pulling power, or the John Deere 7420 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a 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

118 hp

117 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

Three gears (1-3) plus reverse (R) in each of three ranges (A-C). Shifts between gears, including to reverse, are synchronized using the clutch. Shifts between ranges are not synchronized, the operator must stop the tractor and use the clutch.Reference

available with MFWD onlyReference

Original price

$48,483 (2011)Reference

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Steering

hydrostatic powerReference

—

Final drives

—

inboard planetaryReference

Engine

Engine (gross)

88.3 kWReference

—

Drawbar (tested)

60.3 kWReference

76.7 kWReference

Displacement

4.5 LReference

6.8 LReference

Bore/Stroke

107 x 127 mmReference

106 x 127 mmReference

Emissions

Tier 3Reference

—

Rated Power (gross)

88.3 kWReference

—

Fuel system

Denso electronic high-pressure common railReference

—

Air cleaner

two paper elementsReference

dual paper elementsReference

Compression

19:1Reference

17:1Reference

Rated RPM

2100Reference

Idle RPM

900-2200Reference

850-2250Reference

Torque

481.4 NmReference

610.2 NmReference

Torque RPM

1500Reference

Firing order

1-3-4-2Reference

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

Starter volts

12Reference

Coolant capacity

16.5 LReference

28.0 LReference

Intake valve clearance

0.356 mmReference

—

Exhaust valve clearance

0.457 mmReference

—

Oil capacity

57.9 LReference

56.0 LReference

Oil change

500 h (JD TorqGARD oil)Reference

—

Max power

60.3 kWReference

76.7 kWReference

Power at rated engine speed

73.9 kWReference

86.9 kWReference

Fuel Type

DieselReference

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No of Cylinders

4 cylinderReference

—

Rated engine speed

2,200 RPMReference

—

Emissions compliance

Interim Tier IV | \\tcooled exhaust gas recirculationReference

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Engine torque at rated speed

161 kgReference

—

Bore and stroke

4.17x5.00 inchesReference

—

Compression ratio

19:1Reference

—

Cooling system

liquid-cooledReference

—

Interval for engine oil change

500 hrReference

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Engine

—

100.7 kWReference

Power

—

100.7 kWReference

Operating RPM

—

1300-2100Reference

Starter power

—

3.1 kWReference

Transmission

John Deere Top Shaft Syncronized (TSS)Reference

Infinitely Variable Transmission (IVT)Reference

Gears

9 forward and 3 reverseReference

infinite forward and reverseReference

Transmission Type

Power ShuttleReference

—

Wheel Drive

4WDReference

—

Rear Axle Drive Type

inboard planetaryReference

—

PTO & Hydraulics

PTO (claimed)

70.8 kWReference

85.8 kWReference

PTO (tested)

74.1 kWReference

95.0 kWReference

Hydraulic system

57.9 LReference

—

Type

partially synchronziedReference

partial power shiftReference

Capacity

57.9 LReference

—

Pressure

195.1 barReference

—

Valves

2 to 3Reference

4Reference

Pump flow

66.6 lpmReference

101.1 lpmReference

Steering flow

26.1 lpmReference

—

Rear Type

IIReference

Control

mechanical lower linkReference

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Rear lift (at 24"/610mm)

3084 kgReference

—

Rear PTO

independentReference

Clutch

dry discReference

electro-hydraulicReference

Rear PTO Type

540/1000 (1.375)Reference

Engine RPM

1000@2100Reference

—

Power at rated PTO speed

74.1 kWReference

—

Rear lift

—

3946 kgReference

Front PTO

—

independentReference

Front PTO Type

—

1000Reference

Capacities

Fuel

157.8 LReference

—

Front axle

6.5 LReference

—

Front hubs

2.0 LReference

—

Fuel tank

157.9 LReference

207.0 LReference

Crankcase oil volume

15.85 qtsReference

—

Max capacity

—

9995 kgReference

Dimensions

Wheelbase

234 cmReference

—

Weight

7495 to 9390 poundsReference

12890 to 13280 poundsReference

Front tire

10.00-16Reference

14.9R28Reference

Rear tire

18.4-34 (2WD)Reference

18.4R38Reference

Standard tires (ag)

Front: 13.6-24. Rear: 18.4-34 (4WD)Reference

—

Optional tires (ag)

Front: 10.00-16. Rear: 18.4-38 (2WD)Reference

—

2WD Length

427 cmReference

—

4WD Length

421 cmReference

—

Width

182 cmReference

243 cmReference

Height (cab)

273 cmReference

—

Height (exhaust)

269 cmReference

—

2WD Clearance (front axle)

59 cmReference

—

4WD Clearance (front axle)

45 cmReference

52 cmReference

Rear axle

1828 mmReference

—

Front tread

151 to 201 cmReference

150 to 211 cmReference

Rear tread

151/161/171/181/191/201 cmReference

152 to 302 cmReference

Operating

4154 kgReference

6023 kgReference

Ballasted

5599 kgReference

7101 kgReference

2WD Wheelbase

—

286 cmReference

4WD Wheelbase

—

264 cmReference

Ag front

—

14.9R28Reference

Ag rear

—

18.4R38Reference

Length

—

516 cmReference

Height

—

289 cmReference

Flanged rear axle

—

1663 mmReference

Rack-and-pinion rear axle

—

86 by 2806 mmReference

Shipping

—

5846 kgReference

Max Drawbar

—

2247 kgReference

Max front axle

—

6849 kgReference

Max rear axle

—

7795 kgReference

John Deere 6115D attachments

6115D Serial Number Location

Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

90 (cab)Reference

150Reference

Battery CCA

925Reference

850Reference

Battery volts

12Reference

Battery AH

180Reference

—

Battery Group

31Reference

—

Total cold cranking amps

925 AmpsReference

—

Attachment overview

Test results

Fuel use

23.8 l/hourReference

25.4 l/hourReference

Max pull

4470 kgReference

—

Speeds

General

Make & Model

John DeereReference

—

Differential lock

mechanical rear | limited-slip front differential (4WD)Reference

electro-hydraulic rearReference

SCV control

JoystickReference

—

Drawbar category

Cat. IIReference

—

Rollover protective structure

Two-post foldable ROPS.Reference

—

Country of manufacturer

MexicoReference

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Hydraulics

Capacity Valves

16 valveReference

—

Hydraulics Type

open centerReference

—

Maximum operating pressure

2,828 psiReference

—

Remote Valves

2 to 3 ValvesReference

—

Steering & Implements flow

6.9 gpm (20 gpm)Reference

—

Rear Hitch category (SAE designation)

Category IIReference

—

Rear Hitch Sensing Type

position control | draft-control optionalReference

—

PTO

PTO Power

95 hpReference

—

Rear PTO Power

AvailableReference

—

Rear PTO RPM

1,000 RPMReference

—

Engine Speed on Rear PTO speed

1,000@2,067 RPMReference

—

Steering & brakes

Brakes

hydraulic wet discReference

—

Steering type

powerReference

—

Dimensions & weight

Height Over Cab

274.3 cmReference

—

Overall Length

428 cmReference

—

Overall Width

245.1 cmReference

—

Front axle clearance

59.7 cmReference

—

Overall weight

4,150.4 kgReference

—

Rear Axle Length

182.9 cmReference

—

Wheels & tyres

Rear Wheel Type

18.4-34Reference

—

Rear wheel tread range

201.7 cmReference

—

Front Wheel Type

10.00-16Reference

—

Front Wheel tread range

60.4 to 80.4 inchesReference

—

Operator station

Cab Availability

AvailableReference

—

Seat Suspension

TRUEReference

—

Variants

7420

—

row-cropReference

7420HC

—

high-cropReference

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.