Deere 6620 Premium

Production: 2001 - 2006  

Production
Manufacturer:	John Deere
Type:	Utility tractor

John Deere 6620 Premium Power
Engine (net):	125 hp 93.2 kW
PTO (claimed):	110 hp 82.0 kW

Mechanical
Chassis:	4x4 MFWD 4WD
Steering:	hydrostatic power
Brakes:	wet disc
Cab:	Cab standard.
Transmission:	24-speed partial power shift

Hydraulics
Type:	closed center load sensing
Pressure:	2900 psi 200.0 bar
Pump flow:	25.4 gpm 96.1 lpm

Tractor hitch
Rear Type:	II/IIIN
Rear lift:	16,360 lbs 7420 kg

Power Take-off (PTO)
Rear PTO:	independent
Rear RPM:	540/1000

6620 Premium Serial Numbers
Location:	Right side of main tractor frame.

Electrical
Ground:	negative
Charging system:	alternator
Charging amps:	90
115
Battery volts:	12

Engine Detail
John Deere 6068T
turbocharged intercooled diesel
6-cylinder
liquid-cooled
Displacement:	414.1 ci 6.8 L
Bore/Stroke:	4.19x5.00 inches 106 x 127 mm
Rated Power (ECE R24):	125 hp 93.2 kW
Rated RPM:	2300
Idle RPM:	850-2460
Operating RPM:	1300-2300
Torque:	392.0 lb-ft 531.6 Nm
Torque RPM:	1500
Firing order:	1-5-3-6-2-4
Starter:	electric
Starter volts:	12
Intake valve clearance:	0.014 inches 0.356 mm
Exhaust valve clearance:	0.018 inches 0.457 mm

Transmission
Transmission:	PowrQuad Plus
Type:	partial power shift
Gears:	24 forward and reverse