Compare/John Deere 4040 vs John Deere 6510

John Deere 4040 vs John Deere 6510

Verdict: John Deere 4040 vs John Deere 6510

The John Deere 4040 and the John Deere 6510 are both tractors — here is how they stack up on the figures that matter. John Deere 6510 leads on rated power with 92 hp against 91 hp. John Deere 6510 is the lighter machine (4,699 kg vs 9,630 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 6510 is the newer design (1997 vs 1978). In short: choose the John Deere 6510 for outright pulling power, or the John Deere 4040 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

91 hp

92 hp

Confidence

98%

Guide price

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Overview

Manufacturer

John DeereReference

Adds creeper to gears 1-5 of the Syncro-Range transmission. Creeper engaged by clutching and moving creeper control lever.Reference

Four push-button power shift gears (1-4) in six synchronized ranges (A-F) with left-hand power shuttle. Automatic shifting and cruise control. Available creeper provides an addition 12 speeds forward and reverse.Reference

Original price

$36,549 (1982 Power Shift Cab 2WD )Reference

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Drive

4x4 HFWD 4WDReference

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Differential lock

pedal-actuated hydraulicReference

electro-hydraulic wet discReference

Final drives

—

planetaryReference

Engine

Drawbar (claimed)

57.4 kWReference

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Drawbar (tested)

57.1 kWReference

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Displacement

6.6 LReference

6.8 LReference

Bore/Stroke

108 x 121 mmReference

106 x 127 mmReference

Pre-heating

ether injectionReference

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Compression

16.7:1Reference

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Rated RPM

2200Reference

2300Reference

Idle RPM

800-2400Reference

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Operating RPM

1500-2200Reference

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Firing order

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

Starter volts

12Reference

Oil capacity

51.1 LReference

19.7 LReference

Coolant capacity

22.7 LReference

15.5 LReference

Power at rated engine speed

67.7 kWReference

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Max power

57.1 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

4.25x4.75 inchesReference

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Compression ratio

16.7:1Reference

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Cooling system

liquid-cooled | 24 qtsReference

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Fuel tank

—

207.0 LReference

Engine

—

78.3 kWReference

Power

—

78.3 kWReference

Torque

—

454.3 NmReference

Torque RPM

—

1000Reference

Starter

—

electricReference

Starter power

—

3.1 kWReference

Intake valve clearance

—

0.356 mmReference

Exhaust valve clearance

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0.457 mmReference

Transmission

John Deere Syncro-Range CreeperReference

John Deere AutoQuad IIReference

Gears

13 forward and 5 reverseReference

24 forward and reverseReference

PTO & Hydraulics

PTO (claimed)

67.1 kWReference

68.6 kWReference

PTO (tested)

67.7 kWReference

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Hydraulic system

41.6 LReference

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Type

creeperReference

four-speed power shiftReference

Capacity

41.6 LReference

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Valves

1 or 2Reference

4Reference

Pump flow

87.1 lpmReference

96.1 lpmReference

Rear Type

II/IReference

II/IIINReference

Rear lift

2447 kgReference

—

Rear PTO

independentReference

Rear PTO Type

540/1000 (1.375)Reference

Power at rated PTO speed

67.8 kWReference

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Pressure

—

200.0 barReference

Control

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electronic lower-link draft sensingReference

Rear Arms

—

telescopic link endsReference

Clutch

—

electro-hydraulic wet discReference

Engine RPM

—

1000@2185Reference

Front PTO

—

independentReference

Front PTO Type

—

1000 (1.375)Reference

Capacities

Fuel

140.0 LReference

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Dimensions

Wheelbase

264 cmReference

Weight

9630 to 10490 poundsReference

4699 kgReference

Front tire

9.5L-15Reference

16.9R24Reference

Rear tire

18.4-38Reference

18.4R38Reference

Ag front

12.4-24 (4WD)Reference

16.9R24Reference

Ag rear

18.4R38Reference

Length

389 cmReference

453 cmReference

Width

337 cmReference

231 cmReference

Clearance (front axle)

56 cmReference

52 cmReference

Clearance (rear axle)

68 cmReference

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Clearance (drawbar)

35 cmReference

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Rack-and-pinion rear axle

86 by 2870 mmReference

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Front tread

127 to 231 cmReference

161 to 211 cmReference

Rear tread

152 to 300 cmReference

161 to 213 cmReference

Shipping

4368 kgReference

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Operating

4758 kgReference

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Ballasted

5484 kgReference

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Steering wheel

220 cmReference

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Height (cab)

—

280 cmReference

Shipping weight

—

4699 kgReference

Max weight

—

8001 kgReference

John Deere 4040 attachments

4040 Serial Number Location

4040 Serial Numbers

1978

1000Reference

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1979

3199Reference

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1980

6033Reference

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1981

8707Reference

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1982

11727Reference

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Electrical

Ground

negativeReference

Charging system

alternatorReference

Batteries

2Reference

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Battery CCA

850Reference

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Battery volts

6Reference

12Reference

Battery options

2 | 2Reference

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Total cold cranking amps

850Reference

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Charging amps

—

115Reference

Battery AH

—

174Reference

Attachment overview

John Deere 4040 Height

ROPS

264 cmReference

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Cab

278 cmReference

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Test results

Fuel use

23.8 l/hourReference

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Max pull

4170 kgReference

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Speeds

General

Make & Model

John DeereReference

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PTO

Rear PTO Power

AvailableReference

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Rear PTO RPM

540/1,000 (1.375)Reference

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Hydraulics

Hydraulics Type

closed centerReference

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Remote Valves

1 or 2Reference

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Rear Hitch category (SAE designation)

Category II/IReference

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Dimensions & weight

Overall Length

389.1 cmReference

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Overall Width

243.8 cmReference

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Drawbar clearance

35.8 cmReference

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Front axle clearance

56.4 cmReference

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Wheels & tyres

Front Wheel tread range

9.5L-15, 11L-15, 10.00-16, 7.50-18, 12.4-24 (4WD)Reference

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John Deere 6510 attachments

6510 Serial Numbers

Location:

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Plate located on right side of main tractor frame.Reference

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.