John Deere 6620 vs John Deere 7520 - compare

Compare tractors: John Deere 6620 vs John Deere 7520

John Deere 6620 vs John Deere 7520 compare - general information

Specs John Deere 6620 John Deere 7520
Brand John Deere John Deere
Model John Deere 6620 John Deere 7520
Series n.d. n.d.
Previous model – –
Next model – John Deere 8630
Smaller – John Deere 7020
Larger – –
Years n.d. from 1972 to 1975 y.
Cab with ROPS No No
Reviews John Deere 6620 reviews New! John Deere 7520 reviews New!

John Deere 6620 vs John Deere 7520 - performance

Specs John Deere 6620 John Deere 7520
Maximum power (HP / kW) 125.12 KM (92 kW) n.d.
Engine RPM n.d. 2100 rpm
Fuel consumption 206 g/kWh ( rpm) n.d.
Fuel tank capacity 207 l. n.d.
Max. speed n.d. n.d.

John Deere 6620 vs John Deere 7520 - engine

Specs John Deere 6620 John Deere 7520
Fuel type Diesel Diesel
Engine producer n.d. n.d.
Engine model n.d. John Deere
Engine type Diesel (diesel engine) Diesel (diesel engine)
Engine capacity 6.788 l. 8.762 l.
Strokes, qty n.d. n.d.
Cylinders 6 6
Compression n.d. n.d.
Bore n.d. 121 mm
Stroke n.d. 127 mm
Maximum torque 543 Nm / 1495 rpm 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 piston pump, direct fuel injection n.d.
Injectors multi holes injector 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 6620 vs John Deere 7520 - turbocharger

Specs John Deere 6620 John Deere 7520
Turbocharger Yes (Turbo Diesel engine) Yes
Dual turbocharger No No
Intercooler No No
Aftercooler No No
Wastegate valve No No
Variable geometry No No
Additional parameters – –

John Deere 6620 vs John Deere 7520 - electronics

Specs John Deere 6620 John Deere 7520
Supply voltage starter (V) n.d. 12 V
Ground n.d. n.d.
Battery (V) n.d. n.d.
Battery, qty n.d. n.d.
Charging system Generator 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 6620 vs John Deere 7520 - PTO

Specs John Deere 6620 John Deere 7520
PTO rpm n.d. n.d.
PTO control n.d. n.d.

John Deere 6620 vs John Deere 7520 - brakes

Specs John Deere 6620 John Deere 7520
ABS No No
Brake assist No No
Braking system n.d. n.d.
Differential No No
Brake type n.d. disc brakes, wet brakes, hydraulic
Discs – Single

John Deere 6620 vs John Deere 7520 - dimensions

Specs John Deere 6620 John Deere 7520
Weight n.d. from 10124 kg (depending by model)
Weight with ROPS n.d. n.d.
Weight with cab n.d. n.d.
Length n.d. n.d.
Height n.d. n.d.
Width n.d. n.d.
Clearance n.d. n.d.
Rear clearance n.d. n.d.
Front track width n.d. n.d.
Rear track width n.d. n.d.
Wheelbase n.d. 3040 mm
Front tires n.d. 23.1-30
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 6620 vs John Deere 7520 - drive

Specs John Deere 6620 John Deere 7520
Drive system 4x4, 4WD (depending by model) 4x4, 4WD (depending by model)
Additional all-wheel drive, all four wheels at all times and it can be used full all-wheel drive, all four wheels at all times and it can be used full
Permanent 4-wheel drive Yes Yes
Permanent systems that constantly power all the wheels Yes Yes
Dynamic allocation of power between the axles n.d., AWD drive n.d., AWD drive
Independent Link Suspension None None
Articulated suspension – Yes
Crawler drive No No
Hydrostatic steering No 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 6620 vs John Deere 7520 - hydraulics

Specs John Deere 6620 John Deere 7520
Three-point hitch 7474 kg 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. n.d.
Central No No
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 6620 vs John Deere 7520 - transmission

Specs John Deere 6620 John Deere 7520
Synchronous transmission Yes Yes
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, Reversing mechanism –
Hydrostatic transmission Yes n.d.
Forward gears unlimited (ranges: - 4) 8
Reverse gears unlimited (ranges: - 4) 2
Creeper n.d. n.d.

John Deere 6620 vs John Deere 7520 - equipment

Specs John Deere 6620 John Deere 7520
Clevis Yes (???) Yes (???)
Lower catch n.d. n.d.
Air conditioning n.d. n.d.