Compare/John Deere 3120 vs John Deere 3520

John Deere 3120 vs John Deere 3520

Verdict: John Deere 3120 vs John Deere 3520

The John Deere 3120 and the John Deere 3520 are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 30 hp. John Deere 3120 is the lighter machine (1,360 kg vs 2,900 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

30 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

With 11.2-24 rear tires.Reference

AutoHST provides an automobile-style control to the eHydro transmission. A single foot pedal controls engine RPMs and transmission speed, with a column-mounted shifter to select forward, neutral, or reverse.Reference

Steering

powerReference

Engine

22.0 kWReference

27.6 kWReference

Displacement

1.5 LReference

Bore/Stroke

84 x 90 mmReference

Emissions

Tier IIReference

—

Power

22.0 kWReference

27.6 kWReference

Fuel system

direct injectionReference

Compression

18.5:1Reference

Rated RPM

2600Reference

Torque

90.4 NmReference

102.2 NmReference

Torque RPM

1560Reference

Starter volts

12Reference

Oil capacity

4.8 LReference

Coolant capacity

5.3 LReference

—

ROPS Coolant capacity

—

5.3 LReference

Cab Coolant capacity

—

7.0 LReference

Fuel Type

—

DieselReference

No of Cylinders

—

3 cylinderReference

Rated engine speed

—

2,600 rpmReference

Engine torque at rated speed

—

34.2 kgReference

Bore and stroke

—

3.3x3.54 inchesReference

Compression ratio

—

18.5:1Reference

Cooling system

—

liquid-cooledReference

Transmission

Sauer-Danfoss eHydroReference

eHydro AutoHSTReference

Gears

infinite forward and reverse (3-range)Reference

Clutch

—

112.5mm wet discReference

Transmission Type

—

E-HSTReference

Wheel Drive

—

4WDReference

Capacities

Fuel

51.1 LReference

—

ROPS Fuel

—

51.1 LReference

Cab Fuel

—

44.7 LReference

Fuel tank

—

51.1 LReference

Crankcase oil volume

—

5.1 qtsReference

PTO & Hydraulics

Hydraulic system

25.7 LReference

23.8 LReference

Type

hydrostaticReference

Capacity

25.7 LReference

23.8 LReference

Valves

5Reference

Pump flow

32.6 lpmReference

Total flow

52.6 lpmReference

Rear Type

IReference

Rear lift (at ends)

1147 kgReference

—

Rear PTO

independentReference

Rear PTO Type

540Reference

Mid PTO

optionalReference

Mid PTO Type

2100Reference

PTO (claimed)

—

22.4 kWReference

Rear lift

—

1147 kgReference

Dimensions

Wheelbase

172 cmReference

Weight

474 kgReference

Front tire

7-14Reference

Rear tire

11.2-24Reference

Ag front

7-14Reference

Ag rear

11.2-24Reference

Lawn/turf front

25x10.5LL-15Reference

Lawn/turf rear

41x18LL-16.1Reference

Industrial front

27x8.5-15Reference

Industrial rear

43x16-20Reference

Length

305 cmReference

Width

133 cmReference

Height (hood)

144 cmReference

Height (ROPS)

236 cmReference

Clearance (rear axle)

30 cmReference

Rear tread

103/115/124/134/143 cmReference

ROPS Weight

—

1315 kgReference

Cab Weight

—

1619 kgReference

John Deere 3120 attachments

3120 Serial Numbers

2005

110001Reference

100001 (gear)Reference

2006

210001Reference

266001 (gear)Reference

2007

310001Reference

366001 (gear)Reference

2008

410001Reference

460001 (gear)Reference

Electrical

Ground

negativeReference

Charging amps

40Reference

75 (with cab)Reference

Battery CCA

500Reference

Battery volts

12Reference

Total cold cranking amps

—

500 CCAReference

Attachment overview

60" Mower deck

Cutting width

152 cmReference

John Deere 47 Backhoe

Backhoe type

John Deere 47 BackhoeReference

2-Foot flat digging depth

228 cmReference

Reach from pivot

289 cmReference

Loading height

177 cmReference

Bucket Rotation

180°Reference

Swing Arc

180°Reference

Bucket force

1288 kgReference

Dipperstick force

909 kgReference

Speeds

John Deere 3520 attachments

3520 Serial Numbers

2009

—

514001 (gear)Reference

2010

—

614001 (gear)Reference

2011

—

710001 (gear)Reference

2012

—

------Reference

2013

—

910001 (gear)Reference

General

Make & Model

—

John DeereReference

Cruise control

—

AvailableReference

SCV control

—

joystickReference

Rollover protective structure

—

Two-post foldable ROPSReference

Country of manufacturer

—

USAReference

Power

Max Power

—

37 hpReference

PTO

PTO Power

—

30 hpReference

Rear PTO Power

—

AvailableReference

Rear PTO RPM

—

540 RPMReference

Mid PTO RPM

—

2,100 RPMReference

Steering & brakes

Brakes

—

Wet discReference

Steering type

—

PowerReference

Hydraulics

Pump Rated Output (total)

—

13.9 gpmReference

Hydraulics Type

—

Open CenterReference

Remote Valves

—

5 ValvesReference

Rear Hitch category (SAE designation)

—

Category IReference

Rear Hitch maximum lift capacity

—

1,147.6 kgReference

Dimensions & weight

Height Over ROPS

—

237 cmReference

Overall Length

—

305.3 cmReference

Overall Width

—

133.1 cmReference

Overall weight

—

1,315.4 kgReference

Wheels & tyres

Rear Wheel Type

—

Ag rear:11.2-24Reference

Rear wheel tread range

—

143.8 cmReference

Front Wheel Type

—

Ag front: 7-14Reference

Operator station

Cab Availability

—

TRUEReference

Seat Suspension

—

TRUEReference

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.