Compare/John Deere 4120 vs John Deere R

John Deere 4120 vs John Deere R

Verdict: John Deere 4120 vs John Deere R

The John Deere 4120 and the John Deere R are both tractors — here is how they stack up on the figures that matter. Both are rated at the same 35 hp. John Deere 4120 is the lighter machine (1,678 kg vs 7,400 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere R holds more fuel (83.3 L vs 54.9 L) for longer stints between fills. John Deere 4120 is the newer design (2004 vs 1949). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.

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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

35 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

With 16.3-28 rear tires.Reference

The tractor must be stopped and clutch used to shift gears.Reference

Steering

hydrostatic powerReference

—

Total built

—

21,293Reference

Engine

32.1 kWReference

—

Displacement

2.4 LReference

6.8 LReference

Bore/Stroke

86 x 105 mmReference

146 x 203 mmReference

Power

32.1 kWReference

—

Compression

20:1Reference

16:1Reference

Rated RPM

2400Reference

1000Reference

Starter volts

12Reference

—

Starter power

2.2 kWReference

—

Oil capacity

36.3 LReference

9.0 LReference

Coolant capacity

6.1 LReference

51.6 LReference

Fuel Type

dieselReference

—

No of Cylinders

4 cylinderReference

—

Rated engine speed

2,400 RPMReference

—

Bore and stroke

3.386x4.134 inchesReference

—

Compression ratio

20:1Reference

—

Cooling system

liquid-cooledReference

—

Aux. fuel

—

3.8 LReference

Drawbar (claimed)

—

26.1 kWReference

Belt (claimed)

—

32.1 kWReference

Plows

—

4 (14-inch)Reference

Drawbar (tested)

—

32.2 kWReference

Belt (tested)

—

36.2 kWReference

Air cleaner

—

oil bathReference

Firing order

—

1-2Reference

Starter type

—

2-cylinder pony motorReference

Belt power (max)

—

36.2 kWReference

Max power

—

32.2 kWReference

Transmission

eHydroReference

—

Gears

infinite forward and reverseReference

5 forward and 1 reverseReference

Transmission Type

E-HSTReference

—

forward and reverse options

PowrReverser - 12 F and 12 R | hydrostatic - Infinite F and RReference

—

Wheel Drive

4WDReference

—

Clutch

—

dry discReference

Oil type

—

SAE 90Reference

PTO & Hydraulics

PTO (claimed)

26.1 kWReference

—

Hydraulic system

36.3 LReference

—

Type

hydrostaticReference

gearReference

Capacity

36.3 LReference

—

Pressure

172.4 barReference

—

Pump flow

45.4 lpmReference

—

Total flow

64.7 lpmReference

—

Steering flow

19.3 lpmReference

—

Rear Type

IReference

—

Rear lift (at ends)

1419 kgReference

—

Rear lift (at 24"/610mm)

1134 kgReference

—

Rear PTO

independentReference

liveReference

Rear PTO Type

540Reference

Mid PTO

independent (optional)Reference

—

Mid PTO Type

2100Reference

—

Capacities

Fuel

54.9 LReference

—

Fuel tank

54.9 LReference

83.3 LReference

Crankcase oil volume

7.9 qtsReference

—

Dimensions

Wheelbase

181 cmReference

217 cmReference

Weight

662 kgReference

7400 to 7603 poundsReference

Front tire

8.00-16Reference

7.50-18Reference

Rear tire

13.6-28Reference

14-34Reference

Ag front

8.00-16Reference

30x6 steelReference

Ag rear

13.6-28Reference

54x12 steelReference

Length

325 cmReference

373 cmReference

Width

166 cmReference

201 cmReference

Height (hood)

157 cmReference

—

Height (ROPS)

246 cmReference

—

Max Drawbar

500 kgReference

—

Height

—

198 cmReference

Shipping weight

—

3356 kgReference

Operating weight

—

3448 kgReference

John Deere 4120 attachments

Electrical

Ground

negativeReference

positiveReference

Charging system

alternatorReference

—

Charging amps

75Reference

—

Battery CCA

770Reference

—

Battery volts

12Reference

6Reference

Total cold cranking amps

770 ccaReference

—

Attachment overview

72" Mower deck

Cutting width

182 cmReference

—

Overall width

215 cmReference

—

Cut height

2 to 24 cmReference

—

John Deere 485 Backhoe

Backhoe type

John Deere 485 BackhoeReference

—

Transport height

228 cmReference

—

Digging depth

266 cmReference

—

Reach from pivot

360 cmReference

—

Loading height

223 cmReference

—

Bucket Rotation

180°Reference

—

Swing Arc

180°Reference

—

Bucket force

1691 kgReference

—

Dipperstick force

1104 kgReference

—

Speeds

General

Make & Model

John DeereReference

—

Cruise control

StandardReference

—

Country of manufacturer

USAReference

—

Power

Max Power

43.1 hpReference

—

PTO

PTO Power

35 hpReference

—

Rear PTO Power

AvailableReference

—

Rear PTO RPM

540 RPMReference

—

Mid PTO RPM

2,100 RPMReference

—

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

—

Rear Hitch maximum lift capacity

1,419.7 kgReference

—

Dimensions & weight

Height Over ROPS

246.9 cmReference

—

Overall Length

325.6 cmReference

—

Overall weight

1,678.3 kgReference

—

Wheels & tyres

Rear Wheel Type

13.6-28Reference

—

Front Wheel Type

8.00-16Reference

—

Operator station

Seat Suspension

TRUEReference

—

Steering & brakes

Steering type

Hydrostatic PowerReference

—

R Serial Number Location

R Serial Numbers

1949

—

1000Reference

1950

—

3541Reference

1951

—

6505Reference

1952

—

10745Reference

1953

—

15720Reference

1954

—

19485Reference

Final

—

22293Reference

Test results

Belt fuel use (max)

—

10.6 l/hourReference

Max pull

—

3013 kgReference

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.