Compare/John Deere 4450 vs John Deere 6R 140

John Deere 4450 vs John Deere 6R 140

Verdict: John Deere 4450 vs John Deere 6R 140

The John Deere 4450 and the John Deere 6R 140 are both tractors — here is how they stack up on the figures that matter. John Deere 4450 leads on rated power with 140 hp against 138 hp. John Deere 6R 140 is the lighter machine (6,199 kg vs 12,745 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. John Deere 6R 140 is the newer design (2022 vs 1983). In short: choose the John Deere 4450 for outright pulling power, or the John Deere 6R 140 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

140 hp

138 hp

Confidence

98%

Guide price

—

Overview

Manufacturer

John DeereReference

Optional transmission. Full (clutchless) power shift can be made between gears, forward and reverse.Reference

liquid-cooledReference

Original price

$67,009 (1983 Power Shift Cab 4WD )Reference

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Final drives

inboard planetaryReference

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Differential lock

hydraulic rearReference

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Engine

118.0 kWReference

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Drawbar (claimed)

90.2 kWReference

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Drawbar (tested)

89.6 kWReference

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Displacement

7.6 LReference

4.5 LReference

Bore/Stroke

116 x 121 mmReference

106 x 127 mmReference

Power

118.0 kWReference

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Air cleaner

dryReference

—

Compression

15.8:1Reference

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Rated RPM

2200Reference

—

Firing order

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

—

Starter volts

12Reference

Oil capacity

60.6 LReference

—

Coolant capacity

25.6 LReference

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Power at rated engine speed

104.6 kWReference

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Max power

89.6 kWReference

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Engine (gross)

—

103.0 kWReference

Engine (max)

—

113.0 kWReference

Emissions

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Tier IVReference

Rated Power (gross)

—

103.0 kWReference

Maximum Power (gross)

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113.0 kWReference

Torque

—

656.3 NmReference

Torque RPM

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1600Reference

Starter

—

electricReference

Fuel Type

—

DieselReference

No of Cylinders

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4Reference

Emissions compliance

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Final Tier 4Reference

Engine torque at rated speed

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Option 1: 656 Nm\\nOption 2: 2,100 rpmReference

Interval for engine oil change

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500 hoursReference

Interval for engine coolant change

—

6,000 hoursReference

Cooling system

—

28 LReference

Transmission

John Deere Power ShiftReference

John Deere AutoQuad Plus EcoReference

Gears

15 forward and 4 reverseReference

24 forward and reverseReference

2WD Oil capacity

39.7 LReference

—

4WD Oil capacity

51.1 LReference

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Transmission Type

—

Power QuadReference

forward and reverse options

—

IVTReference

Wheel Drive

—

MFWDReference

Rear Axle Drive Type

—

Inboard planetary three pinionReference

Interval for hydraulic/transmission oil change

—

1,500 hoursReference

PTO & Hydraulics

PTO (claimed)

104.4 kWReference

82.0 kWReference

PTO (tested)

104.7 kWReference

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Hydraulic system

60.6 LReference

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Type

full power shiftReference

partial power shiftReference

Capacity

60.6 LReference

275 cu. in.Reference

Pressure

157.0 barReference

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Valves

2 or 3Reference

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Pump flow

100.3 lpmReference

155.2 lpmReference

Rear Type

IIIN/IIReference

Control

lower-link draft sensingReference

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Rear lift

3364 kgReference

4100 kgReference

Rear PTO

independentReference

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Clutch

Perma-Clutch wet discReference

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Rear PTO Type

540/1000Reference

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Engine RPM

1000@2200Reference

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Front Hitch

—

IIINReference

Front lift

—

3299 kgReference

Capacities

Fuel

246.0 LReference

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Fuel tank

—

195 LReference

Diesel exhaust fluid (DEF) tank

—

13 LReference

Crankcase oil volume

—

4.2 U.S. galReference

Dimensions

2WD Wheelbase

271 cmReference

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4WD Wheelbase

267 cmReference

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Weight

12745 to 15400 poundsReference

6199 kgReference

Front tire

10.00-16Reference

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2WD Rear tire

18.4-38Reference

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2WD Standard tires (ag)

Front: 10.00-16. Rear: 18.4-38Reference

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4WD Standard tires (ag)

Front: 14.9-26. Rear: 18.4-38Reference

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Ag rear

18.4R42Reference

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2WD Length

391 cmReference

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4WD Length

416 cmReference

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Width

302 cmReference

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Height

295 cmReference

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Shipping weight

5781 kgReference

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Operating weight

6985 kgReference

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Ground clearance

40 cmReference

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Rack-and-pinion rear axle

91 by 2870 mmReference

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Wheelbase

—

259 cmReference

John Deere 4450 attachments

4450 Serial Number Location

4450 Serial Numbers

1983

1000Reference

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1984

11001Reference

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1985

18001Reference

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1986

22001Reference

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1987

24001Reference

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1988

26001Reference

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1989

31001Reference

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Electrical

Ground

negativeReference

Charging system

alternatorReference

Charging amps

90Reference

—

Batteries

2Reference

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Battery volts

12Reference

Alternator size

—

120 ampReference

Battery options

—

12 VReference

Total cold cranking amps

—

1,200 CCAReference

Attachment overview

Test results

Fuel use

31.4 l/hourReference

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Max pull

6835 kgReference

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Speeds

General

Make & Model

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NJDXL06.8,324Reference

Creeper

—

Available with AutoQuadReference

SCV control

—

Joystick: AvailableReference

Drawbar category

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Category 2Reference

Drawbar Maximum vertical load

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3,085-5,400 lbReference

Rear Axle Differential Lock

—

ElectrohydraulicReference

Radio

—

OptionalReference

Country of manufacturer

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GermanyReference

Type of headlight bulb

—

Standard: 65-W halogen W\\nOptional: LEDReference

Power

Max Power

—

154 hpReference

Rated Power

—

140 hpReference

Power boost

—

10 percentReference

PTO

PTO Power

—

123 hpReference

PTO torque rise

—

40 percentReference

Rear PTO Power

—

AvailableReference

Rear PTO Control

—

Electrical modulationReference

Rear PTO RPM

—

1,000 rpmReference

Front PTO Power

—

AvailableReference

Engine Speed on Front PTO speed

—

Option 1: 1,000 ):\\nOption 2: 540 rpmReference

Hydraulics

Pump Rated Output (total)

—

155 l/minReference

Remote Valves

—

8Reference

Number of rear selective control valves (SCVs)

—

fiveReference

Rear Hitch category (SAE designation)

—

2/3NReference

Rear Hitch maximum lift capacity

—

7,937Reference

Rear Hitch Sensing Type

—

ElectrohydraulicReference

Front Hitch category (SAE designation)

—

Category 3NReference

Front Hitch lift capacity beyond lift points

—

At hook ends: 3,300 kg\\n7,275 lbReference

Dimensions & weight

Overall Width

—

1,680 mmReference

Overall weight

—

6,199.7 kgReference

Wheels & tyres

Rear Wheel Type

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420/85R30 (16.9R-30)Reference

Rear wheel tread range

—

MFWD: 1,524-2,235 mm 60-88 in.\\nTLS: 1,524-2,235 mm 60-88 in.Reference

Operator station

Cab Availability

—

AvailableReference

Cab glass area

—

65.77 sq ftReference

Cab space

—

117.59 cu ftReference

Seat Suspension

—

AvailableReference

Steering & brakes

Steering type

—

Hydrostatic powerReference

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.