John Deere 4440 vs John Deere 6603 - compare

Compare tractors: John Deere 4440 vs John Deere 6603

John Deere 4440 vs John Deere 6603 compare - general information

Specs John Deere 4440 John Deere 6603
Brand John Deere John Deere
Model John Deere 4440 John Deere 6603
Series n.d. n.d.
Previous model
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Smaller John Deere 4240 John Deere 6403
Larger John Deere 4640
Years from 1978 to 1982 y. from 2002 to 2008 y.
Cab with ROPS No No
Reviews John Deere 4440 reviews New! John Deere 6603 reviews New!

John Deere 4440 vs John Deere 6603 - performance

Specs John Deere 4440 John Deere 6603
Maximum power (HP / kW) n.d. 109 KM (81.3 kW)
Engine RPM 2200 rpm 2100 rpm
Fuel consumption n.d. n.d.
Fuel tank capacity n.d. n.d.
Max. speed n.d. n.d.

John Deere 4440 vs John Deere 6603 - engine

Specs John Deere 4440 John Deere 6603
Fuel type Diesel Diesel
Engine producer n.d. John Deere
Engine model John Deere John Deere 6068T
Engine type Diesel (diesel engine) Diesel (diesel engine)
Engine capacity 7.672 l. 6.8 l.
Strokes, qty n.d. n.d.
Cylinders 6 6
Compression n.d. n.d.
Bore 116 mm 106 mm
Stroke 121 mm 127 mm
Maximum torque n.d. n.d.
Air filter n.d. n.d.
Fuel filter n.d. n.d.
Fuel filter chambers, qty n.d. n.d.
Oil filter n.d. n.d.
Oil pump n.d. n.d.
Speed control (control) n.d. n.d.
Injection pump n.d. n.d.
Injectors n.d. n.d.
Injection pressure n.d. n.d.
Cooling system n.d. liquid cooled engine
Forced cooling n.d. n.d.
Cooler Yes
Thermostat Yes
Cooler type tubular-plate cooler
Coolant system capacity n.d. n.d.
Clutch n.d. n.d.

John Deere 4440 vs John Deere 6603 - turbocharger

Specs John Deere 4440 John Deere 6603
Turbocharger Yes Yes
Dual turbocharger No No
Intercooler No No
Aftercooler No No
Wastegate valve No No
Variable geometry No No
Additional parameters

John Deere 4440 vs John Deere 6603 - electronics

Specs John Deere 4440 John Deere 6603
Supply voltage starter (V) 12 V 12 V
Ground negative ground negative ground
Battery (V) 6 V 12 V
Battery, qty 0 1
Charging system Alternator Generator
Charging system producer n.d. n.d.
Ignition Manual Manual
Rear stop lamp Yes Yes
Rear agricultural lamp n.d. n.d.
Cock lamp No No

John Deere 4440 vs John Deere 6603 - PTO

Specs John Deere 4440 John Deere 6603
PTO rpm 540 rpm 540 rpm
PTO control manual manual

John Deere 4440 vs John Deere 6603 - brakes

Specs John Deere 4440 John Deere 6603
ABS No No
Brake assist No No
Braking system n.d. n.d.
Differential Yes No
Brake type disc brakes, wet brakes, hydraulic disc brakes, wet brakes, mechanical
Discs Single Single

John Deere 4440 vs John Deere 6603 - dimensions

Specs John Deere 4440 John Deere 6603
Weight from 5343 kg to 7155 kg (depending by model) from 3884 kg to 4300 kg (depending by model)
Weight with ROPS n.d. n.d.
Weight with cab n.d. n.d.
Length 4026 mm 4445 mm
Height n.d. n.d.
Width 2438 mm 1651 mm
Clearance n.d. 457 mm
Rear clearance 711 mm n.d.
Front track width from 1415 mm to 2367 mm n.d.
Rear track width from 1524 mm to 3302 mm n.d.
Wheelbase 2710 mm 2640 mm
Front tires 11-16 10-16
Rear tires n.d. n.d.
Max. mass of the trailer without brakes 1500 kg 1500 kg
Max. mass of the trailer with brakes n.d. n.d.
Max. axle load n.d. n.d.
Max. total weight n.d. n.d.
Turning radius n.d. n.d.

John Deere 4440 vs John Deere 6603 - drive

Specs John Deere 4440 John Deere 6603
Drive system 4x2, 2WD (depending by model) 4x2, 2WD (depending by model)
Additional one wheel drive one wheel drive
Permanent 4-wheel drive n.d. n.d.
Permanent systems that constantly power all the wheels n/a n/a
Dynamic allocation of power between the axles n/a n/a
Independent Link Suspension None None
Articulated suspension
Crawler drive No No
Hydrostatic steering Yes Yes
Differential n.d. n.d.
Steering rod rod
Front rods n.d. n.d.
Rear planetary drives n.d. n.d.
Front planetary drives n.d. n.d.

John Deere 4440 vs John Deere 6603 - hydraulics

Specs John Deere 4440 John Deere 6603
Three-point hitch n.d. n.d.
Three-point hitch type n.d. n.d.
Three-point hitch performance n.d. n.d.
Three-point hitch pressure n.d. n.d.
Load Sensing No No
Closed n.d. No
Central No Yes
Constant flow No No
Constant pressure No No
Control system n.d. n.d.
Pump n.d. n.d.
Two-section distributor n.d. n.d.
Quick couplings n.d. n.d.
Auto Lift n.d. n.d.

John Deere 4440 vs John Deere 6603 - transmission

Specs John Deere 4440 John Deere 6603
Synchronous transmission n.d. n.d.
Transmission mechanically synchronized No, electro-hydraulic control n/a
PowerShift Yes No
PowerShuttle No No
Additional two clutches (dual clutch gearbox), electro-hydraulic clutch control, fast shifting
Hydrostatic transmission n.d. n.d.
Forward gears 8 9
Reverse gears 4 3
Creeper n.d. n.d.

John Deere 4440 vs John Deere 6603 - equipment

Specs John Deere 4440 John Deere 6603
Clevis Yes (???) Yes (???)
Lower catch n.d. n.d.
Air conditioning n.d. n.d.