Compare/John Deere 4640 vs John Deere 6155MH

John Deere 4640 vs John Deere 6155MH

Verdict: John Deere 4640 vs John Deere 6155MH

The John Deere 4640 and the John Deere 6155MH are both tractors — here is how they stack up on the figures that matter. John Deere 4640 leads on rated power with 156 hp against 155 hp. John Deere 6155MH is the newer design (2021 vs 1978). In short: choose the John Deere 4640 for outright pulling power, or the John Deere 6155MH 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

156 hp

155 hp

Confidence

98%

Guide price

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Overview

Manufacturer

John DeereReference

Clutchless shift-on-the-move power shift between all eight forward and four reverse gears. Inching pedal provided for hooking up implements and other precision work.Reference

Four power shift gears (1-4) in five electro-hydraulically shifted ranges (A-F) with left-hand power shuttle.Reference

Original price

$53,123 (1982 Power Shift Cab 2WD )Reference

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Drive

4x4 HFWD 4WDReference

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Differential lock

pedal-actuated hydraulicReference

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Steering

hydrostatic powerReference

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Engine

Drawbar (tested)

98.8 kWReference

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Displacement

7.6 LReference

6.8 LReference

Bore/Stroke

116 x 121 mmReference

105 x 127 mmReference

Pre-heating

etherReference

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Compression

15.5:1Reference

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Rated RPM

2200Reference

2100Reference

Idle RPM

800-2400Reference

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Operating RPM

1500-2200Reference

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Firing order

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

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Starter volts

12Reference

Oil capacity

18.9 LReference

23.5 LReference

Coolant capacity

36.0 LReference

27.0 LReference

Power at rated engine speed

116.3 kWReference

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Max power

98.8 kWReference

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Fuel Type

DieselReference

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No of Cylinders

6-cylinderReference

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Rated engine speed

2,200 | 1,500-2,200 RPMReference

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Bore and stroke

4.5,625x4.75 inchesReference

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Compression ratio

15.5:1Reference

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Cooling system

liquid-cooled | 38 qtsReference

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Engine (gross)

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115.6 kWReference

Engine (max)

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128.3 kWReference

Emissions

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Stage VReference

Rated Power (gross)

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115.6 kWReference

Maximum Power (gross)

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128.3 kWReference

Torque

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726.1 NmReference

Torque RPM

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1600Reference

Starter

—

electricReference

Transmission

John Deere PowerShiftReference

CommandQuad PLUSReference

Gears

8 forward and 4 reverseReference

20 forward and reverseReference

forward and reverse options

16 forward and 6 reverse | 8 forward and 4 reverseReference

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PTO & Hydraulics

PTO (claimed)

115.6 kWReference

93.2 kWReference

PTO (tested)

116.6 kWReference

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Hydraulic system

62.5 LReference

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Type

full power shiftReference

four-speed power shiftReference

Capacity

62.5 LReference

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Valves

2 or 3Reference

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Pump flow

87.1 lpmReference

113.9 lpmReference

Rear Type

III/IIINReference

IIIReference

Rear lift

3323 kgReference

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Rear PTO

independentReference

Rear PTO Type

1000 (1.75)Reference

540/1000Reference

Power at rated PTO speed

117.1 kWReference

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Rear valves

—

2 to 3Reference

Capacities

Fuel

314.2 LReference

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Dimensions

Wheelbase

300 cmReference

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Weight

14350 to 15700 poundsReference

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Front tire

11.00-16Reference

320/90R46Reference

Rear tire

18.4-38Reference

18.4R38Reference

Ag front

9.50-20Reference

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Ag rear

18.4-42Reference

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Length

434 cmReference

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Width

299 cmReference

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Height (cab)

297 cmReference

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Ground clearance

37 cmReference

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Clearance (front axle)

66 cmReference

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Clearance (rear axle)

71 cmReference

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Rack-and-pinion rear axle

99 by 2997 mmReference

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Front tread

147 to 254 cmReference

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Rear tread

152 to 334 cmReference

152 to 223 cmReference

Shipping

6509 kgReference

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Operating

7121 kgReference

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Ballasted

8430 kgReference

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Standard tires (ag)

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Front: 320/90R46. Rear: 18.4R38Reference

Clearance (drawbar)

—

68 cmReference

John Deere 4640 attachments

4640 Serial Number Location

4640 Serial Numbers

1978

1000Reference

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1979

7422Reference

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1980

13860Reference

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1981

19459Reference

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1982

25729Reference

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Electrical

Ground

negativeReference

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Charging system

alternatorReference

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Batteries

2Reference

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Battery volts

6Reference

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Battery options

2 | 2Reference

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Test results

Fuel use

37.5 l/hourReference

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Max pull

7252 kgReference

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General

Make & Model

John DeereReference

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PTO

Rear PTO Power

AvailableReference

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Hydraulics

Hydraulics Type

closed centerReference

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Remote Valves

2 or 3Reference

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Rear Hitch category (SAE designation)

Category III/IIINReference

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Dimensions & weight

Height Over Cab

297.2 cmReference

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Overall Height

297.2 cmReference

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Overall Length

434.3 cmReference

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Overall Width

243.8 cmReference

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Front axle clearance

66 cmReference

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Wheels & tyres

Rear wheel tread range

18.4-38, 24.5-32, 30.5-32, 20.8-38, 18.4-42 inchReference

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Front Wheel tread range

11.00-16, 10.00-16, 14L-16.1, 16.5L-16.1, 9.50-20Reference

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Steering & brakes

Steering type

hydrostatic powerReference

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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.