Compare/John Deere 4620 vs John Deere 6M 140

John Deere 4620 vs John Deere 6M 140

Verdict: John Deere 4620 vs John Deere 6M 140

The John Deere 4620 and the John Deere 6M 140 are both tractors — here is how they stack up on the figures that matter. John Deere 6M 140 leads on rated power with 138 hp against 136 hp. John Deere 4620 is the lighter machine (12,980 kg vs 13,669 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 6M 140 is the newer design (2024 vs 1971). In short: choose the John Deere 6M 140 for outright pulling power, or the John Deere 4620 if a tighter budget and lighter footprint matter more. Compare the full spec tables below before booking a 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

136 hp

138 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

With 20.8-38 rear tires.Reference

liquid-cooled inlineReference

Total built

1,883 (Power Shift)Reference

—

Drive

4x4 HFWD 4WDReference

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Final drives

planetaryReference

Differential lock

hydro-mechanical rearReference

electro-hydraulicReference

Steering

hydrostatic powerReference

—

Engine

Drawbar (tested)

86.3 kWReference

—

Displacement

6.6 LReference

4.5 LReference

Bore/Stroke

108 x 121 mmReference

106 x 127 mmReference

Air cleaner

dry with safety elementReference

—

Compression

16.4:1Reference

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Rated RPM

2200Reference

2100Reference

Idle RPM

800-2200Reference

—

Operating RPM

1500-2200Reference

—

Firing order

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

—

Starter volts

12Reference

Oil capacity

68.1 LReference

—

Coolant capacity

26.5 LReference

—

Power at rated engine speed

101.2 kWReference

—

Max power

86.3 kWReference

—

Fuel tank

—

205.1 LReference

Exhaust fluid (DEF)

—

13.6 LReference

Engine (gross)

—

103.0 kWReference

Engine (max)

—

113.0 kWReference

Emissions

—

Tier IVReference

Rated Power (gross)

—

103.0 kWReference

Maximum Power (gross)

—

113.0 kWReference

Torque

—

654.9 NmReference

Torque RPM

—

1600Reference

Starter

—

electricReference

Transmission

John Deere Power ShiftReference

AutoPowr IVTReference

Gears

8 forward and 4 reverseReference

infinite forward and reverseReference

Clutch

hydraulic wet discsReference

electro-hydraulic wet discReference

PTO & Hydraulics

PTO (claimed)

100.7 kWReference

82.8 kWReference

PTO (tested)

101.2 kWReference

—

Hydraulic system

68.1 LReference

—

Type

full power shiftReference

infinitely variable transmissionReference

Capacity

68.1 LReference

—

Rear Type

III/IIReference

IIIN/IIReference

Rear PTO

independentReference

Rear PTO Type

1000Reference

540/1000 (1.375)Reference

Engine RPM

1000@1900Reference

1000@1969Reference

Power at rated PTO speed

97.1 kWReference

—

Rear valves

—

0 to 3Reference

Mid valves

—

2 to 4Reference

Pump flow

—

113.6 lpmReference

Rear lift (at 24"/610mm)

—

4096 kgReference

Front Hitch

—

IIINReference

Front lift

—

3297 kgReference

Front PTO

—

independentReference

Front PTO Type

—

1000 (1.375)Reference

Capacities

Fuel

189.2 LReference

—

Dimensions

Wheelbase

270 cmReference

258 cmReference

Weight

12980 to 14930 poundsReference

6300 kgReference

Front tire

11.00-16Reference

Rear tire

20.8-38Reference

—

Ag front

14.9-24 (4WD)Reference

—

Ag rear

20.8-38 (duals)Reference

—

Length

433 cmReference

447 cmReference

Width

299 cmReference

245 cmReference

Height

269 cmReference

284 cmReference

Height (steering wheel)

220 cmReference

—

Clearance (front axle)

60 cmReference

46 cmReference

Clearance (rear axle)

74 cmReference

—

Clearance (drawbar)

45 cmReference

—

Front tread

182 to 223 cmReference

—

Rear tread

152 to 330 cmReference

—

Shipping

5887 kgReference

—

Operating

6772 kgReference

—

Ballasted

8455 kgReference

—

2WD Rear tire

—

18.4R-38Reference

2WD Standard tires (ag)

—

Front: 11.00-16. Rear: 18.4R-38Reference

4WD Standard tires (ag)

—

Front: 380/85R24. Rear: 460/85R34Reference

Shipping weight

—

6200 kgReference

4620 Serial Number Location

4620 Serial Numbers

1971

10001Reference

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1972

13692Reference

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Final

16967Reference

—

Electrical

Ground

negativeReference

Charging system

alternatorReference

Batteries

2Reference

—

Battery volts

6Reference

12Reference

Charging amps

—

250Reference

Test results

Fuel use

31.8 l/hourReference

—

Max pull

6312 kgReference

—

Speeds

John Deere 6M 140 attachments

Attachment overview

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.