Compare/John Deere 4320 vs John Deere 7420

John Deere 4320 vs John Deere 7420

Verdict: John Deere 4320 vs John Deere 7420

The John Deere 4320 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 4320 is the lighter machine (9,050 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 54.9 L) for longer stints between fills. John Deere 7420 is the newer design (2003 vs 1971). 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

Gear 2 used for pull test.Reference

available with MFWD onlyReference

Total built

21,485Reference

—

Drive

4x4 HFWD 4WDReference

—

Final drives

—

inboard planetaryReference

Differential lock

—

electro-hydraulic rearReference

Engine

Drawbar (tested)

75.8 kWReference

76.7 kWReference

Displacement

6.6 LReference

6.8 LReference

Bore/Stroke

108 x 121 mmReference

106 x 127 mmReference

Fuel use

26.5 l/hourReference

25.4 l/hourReference

Air cleaner

paper elementsReference

dual paper elementsReference

Compression

15.7:1Reference

17:1Reference

Rated RPM

2200Reference

2100Reference

Idle RPM

800-2200Reference

850-2250Reference

Operating RPM

1500-2200Reference

1300-2100Reference

Firing order

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

Starter volts

12Reference

Oil capacity

53.0 LReference

56.0 LReference

Coolant capacity

26.5 LReference

28.0 LReference

Power at rated engine speed

86.9 kWReference

Max power

75.8 kWReference

76.7 kWReference

Fuel Type

dieselReference

—

No of Cylinders

4 cylinderReference

—

Rated engine speed

2,400 RPMReference

—

Engine torque at rated speed

57.6 kgReference

—

Bore and stroke

3.386x4.134 inchesReference

—

Compression ratio

20:1Reference

—

Cooling system

liquid-cooledReference

—

Engine

—

100.7 kWReference

Power

—

100.7 kWReference

Torque

—

610.2 NmReference

Torque RPM

—

1500Reference

Starter power

—

3.1 kWReference

Transmission

John Deere Syncro-RangeReference

Infinitely Variable Transmission (IVT)Reference

Gears

8 forward and 2 reverseReference

infinite forward and reverseReference

Clutch

13.5-inch dry discReference

electro-hydraulicReference

Transmission Type

E-HSTReference

—

Wheel Drive

4 WDReference

—

PTO & Hydraulics

PTO (claimed)

85.8 kWReference

PTO (tested)

86.9 kWReference

95.0 kWReference

Hydraulic system

53.0 LReference

—

Type

partially synchronizedReference

partial power shiftReference

Capacity

53.0 LReference

—

Valves

1 to 3Reference

4Reference

Pump flow

83.3 lpmReference

101.1 lpmReference

Rear Type

IIReference

Rear lift

1701 kgReference

3946 kgReference

Rear PTO

independentReference

Rear PTO Type

1000Reference

540/1000 (1.375)Reference

Power at rated PTO speed

80.6 kWReference

—

Front PTO

—

independentReference

Front PTO Type

—

1000Reference

Capacities

Fuel

166.5 LReference

—

Fuel tank

54.9 LReference

207.0 LReference

Crankcase oil volume

7.9 qtsReference

—

Max capacity

—

9995 kgReference

Dimensions

Wheelbase

270 cmReference

—

Weight

9050 to 10675 poundsReference

12890 to 13280 poundsReference

Front tire

10.00-16Reference

14.9R28Reference

Rear tire

18.4-34Reference

18.4R38Reference

Ag front

12.4-24 (4WD)Reference

14.9R28Reference

Ag rear

18.4-34 (duals)Reference

18.4R38Reference

Length

404 cmReference

516 cmReference

Width

287 cmReference

243 cmReference

Height

271 cmReference

289 cmReference

Height (steering wheel)

206 cmReference

—

Clearance (front axle)

53 cmReference

—

Clearance (rear axle)

66 cmReference

—

Clearance (drawbar)

38 cmReference

—

Rear axle

85 mmReference

—

Front tread

177 to 223 cmReference

150 to 211 cmReference

Rear tread

152 to 304 cmReference

152 to 302 cmReference

Shipping

4105 kgReference

5846 kgReference

Operating

4842 kgReference

6023 kgReference

Ballasted

6522 kgReference

7101 kgReference

2WD Wheelbase

—

286 cmReference

4WD Wheelbase

—

264 cmReference

4WD Clearance (front axle)

—

52 cmReference

Flanged rear axle

—

1663 mmReference

Rack-and-pinion rear axle

—

86 by 2806 mmReference

Max Drawbar

—

2247 kgReference

Max front axle

—

6849 kgReference

Max rear axle

—

7795 kgReference

John Deere 4320 attachments

4320 Serial Number Location

4320 Serial Numbers

1971

6000Reference

—

1972

17031Reference

—

Final

27484Reference

—

Electrical

Ground

negativeReference

Total cold cranking amps

770 ccaReference

—

Charging system

—

alternatorReference

Charging amps

—

150Reference

Battery CCA

—

850Reference

Battery volts

—

12Reference

Attachment overview

Test results

Max pull

5344 kgReference

—

General

Make & Model

John DeereReference

—

Cruise control

StandardReference

—

Country of manufacturer

USAReference

—

PTO

PTO Power

40.5 hpReference

—

Rear PTO Power

AvailableReference

—

Rear PTO RPM

540 RPMReference

—

Mid PTO

AvailableReference

—

Mid PTO RPM

2,100 RPMReference

—

Steering & brakes

Brakes

Differential mechanical wet disc brakesReference

—

Steering type

Power steeringReference

—

Hydraulics

Pump Rated Output (total)

17.1 gpmReference

—

Hydraulics Type

Open CenterReference

—

Maximum operating pressure

2,500 psiReference

—

Steering & Implements flow

5.1 gpm (12 gpm)Reference

—

Rear Hitch category (SAE designation)

Category IReference

—

Dimensions & weight

Height Over ROPS

246.9 cmReference

—

Overall Length

325.6 cmReference

—

Overall Width

233.4 cmReference

—

Overall weight

1,746.3 kgReference

—

Wheels & tyres

Rear Wheel Type

13.6-28Reference

—

Front Wheel Type

8.00-16Reference

—

Operator station

Cab Availability

AvaialbleReference

—

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

Speeds

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.