Compare/John Deere 4440 vs John Deere 6630

John Deere 4440 vs John Deere 6630

Verdict: John Deere 4440 vs John Deere 6630

The John Deere 4440 and the John Deere 6630 are both tractors — here is how they stack up on the figures that matter. John Deere 4440 leads on rated power with 131 hp against 130 hp. John Deere 6630 is the lighter machine (5,166 kg vs 11,780 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 6630 is the newer design (2006 vs 1978). In short: choose the John Deere 4440 for outright pulling power, or the John Deere 6630 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

131 hp

130 hp

Confidence

98%

Guide price

—

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 gears (1-4) in six ranges (A-F) with left-hand shuttle lever. Power shift between gears. Clutch must be used to shift between ranges. Reverse speeds are slightly higher than forward speeds. Optional creeper provides an additional 12 speeds in ranges A-C, from 0.16 kph to 1.12 kph. PowrQuad Plus provides push-button gear shifting on the range-shift lever.Reference

Original price

$45,141 (1982 Power Shift Cab 2WD )Reference

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Drive

4x4 HFWD 4WDReference

4x4 MFWD 4WD (optional)Reference

Differential lock

pedal-actuated hydraulicReference

rear electro-hydraulic wet discReference

Variants

4440

row-cropReference

—

4440 Hi-Crop

high-clearanceReference

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Engine

Drawbar (claimed)

83.5 kWReference

—

Drawbar (tested)

84.0 kWReference

—

Displacement

7.6 LReference

6.8 LReference

Bore/Stroke

116 x 121 mmReference

106 x 127 mmReference

Air cleaner

dry with safety elementReference

dry elementReference

Pre-heating

ether injectionReference

—

Compression

14.9:1Reference

—

Rated RPM

2200Reference

2300Reference

Idle RPM

800-2400Reference

850-2460Reference

Operating RPM

1500-2200Reference

1600-2300Reference

Firing order

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

Starter volts

12Reference

Oil capacity

64.4 LReference

50.0 LReference

Coolant capacity

34.1 LReference

28.0 LReference

Intake valve clearance

0.457 mmReference

0.356 mmReference

Exhaust valve clearance

0.711 mmReference

0.457 mmReference

Power at rated engine speed

97.2 kWReference

—

Max power

82.9 kWReference

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Fuel Type

DieselReference

—

No of Cylinders

6-cylinderReference

—

Rated engine speed

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

—

Bore and stroke

4.5,625x4.75 inchesReference

—

Compression ratio

14.9:1Reference

—

Cooling system

liquid-cooled inline | 36 qtsReference

viscous fanReference

Engine (gross)

—

96.9 kWReference

Engine (net)

—

94.0 kWReference

Engine (max)

—

102.2 kWReference

Emissions

—

Tier IIIReference

Rated Power (net)

—

94.0 kWReference

Rated Power (gross)

—

96.9 kWReference

Maximum Power (net)

—

98.4 kWReference

Maximum Power (gross)

—

102.2 kWReference

Fuel system

—

high-pressure common rail injectionReference

Torque

—

527.5 NmReference

Torque RPM

—

1600Reference

Starter power

—

3.0 kWReference

Oil change

—

500 hReference

Coolant change

—

3000 hReference

Transmission

John Deere PowerShiftReference

John Deere PowrQuad PlusReference

Gears

8 forward and 4 reverseReference

24 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)

96.9 kWReference

84.3 kWReference

PTO (tested)

97.4 kWReference

—

Hydraulic system

64.3 LReference

50.0 LReference

Type

full power shiftReference

partial power shiftReference

Capacity

64.3 LReference

50.0 LReference

Pressure

155.1 barReference

200.0 barReference

Valves

2 or 3Reference

—

Pump flow

87.1 lpmReference

81.0 lpmReference

Rear Type

IIIN/IIReference

II/IIIN (optional)Reference

Rear lift

3059 kgReference

6749 kgReference

Rear PTO

independentReference

Rear PTO Type

540/1000 (1.375)Reference

540/540E/1000Reference

Control

—

load and depth control with electronic lower-link sensingReference

Clutch

—

dual 225mm wet disc PermaClutchReference

Engine RPM

—

1000@2185Reference

Front PTO Type

—

1000Reference

Capacities

Fuel

246.0 LReference

207.0 LReference

Optional Fuel

—

249.8 LReference

Max capacity

—

9498 kgReference

Dimensions

Wheelbase

271 cmReference

264 cmReference

Weight

11780 to 13270 poundsReference

5166 kgReference

Front tire

10.00-16Reference

420/70R28Reference

Rear tire

18.4-38Reference

18.4R38Reference

Ag front

14L-16.1Reference

—

Ag rear

20.8-38Reference

—

Length

402 cmReference

472 cmReference

Width

302 cmReference

231 cmReference

Height (cab)

297 cmReference

—

Height (exhaust)

326 cmReference

—

Clearance (front axle)

62 cmReference

—

Clearance (rear axle)

71 cmReference

—

Clearance (drawbar)

39 cmReference

—

Rack-and-pinion rear axle

91 by 3022 mmReference

—

Front tread

141 to 236 cmReference

162 to 211 cmReference

Rear tread

152 to 330 cmReference

162 to 202 cmReference

Shipping

5343 kgReference

5166 kgReference

Operating

6019 kgReference

—

Ballasted

7155 kgReference

—

Standard tires (ag)

—

Front: 420/70R28. Rear: 18.4R38Reference

Height

—

283 cmReference

Max rear axle

—

6899 kgReference

John Deere 4440 attachments

4440 Serial Number Location

4440 Serial Numbers

1978

1000Reference

—

1979

14820Reference

—

1980

29539Reference

—

1981

42665Reference

—

1982

56346Reference

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Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

72 (cab)Reference

90Reference

Batteries

2Reference

—

Battery CCA

850Reference

—

Battery volts

6Reference

12Reference

Battery options

2 | 2Reference

—

Total cold cranking amps

850Reference

—

Optional Charging amps

—

154Reference

Attachment overview

Test results

Fuel use

32.2 l/hourReference

—

Max pull

6231 kgReference

—

Speeds

General

Make & Model

John DeereReference

—

PTO

Rear PTO Power

AvailableReference

—

Rear PTO RPM

540/1,000 (1.375)Reference

—

Hydraulics

Hydraulics Type

closed centerReference

—

Maximum operating pressure

2,250 psiReference

—

Remote Valves

2 or 3Reference

—

Rear Hitch category (SAE designation)

Category IIIN/IIReference

—

Dimensions & weight

Height Over Cab

297.9 cmReference

—

Overall Height

297.9 cmReference

—

Overall Length

402.6 cmReference

—

Overall Width

243.8 cmReference

—

Drawbar clearance

39.9 cmReference

—

Front axle clearance

62.7 cmReference

—

Wheels & tyres

Front Wheel tread range

10.00-16, 11.00-16, 14L-16.1Reference

—

6630 Serial Numbers

Location:

—

Front-right side of main tractor frame, above front axle.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.