John Deere 6620 Premium
Power
125 hp
Production
2001-2006
Engine
Turbocharged intercooled diesel, 6-cylinder
Transmission
PowrQuad Plus
Drive
4WD
From the same series:
Introduction
John Deere 6620 Premium Utility Tractor
The John Deere 6620 Premium is a utility tractor produced between 2001 and 2006. As part of the 6020 series, it is engineered to provide reliable performance for a broad range of agricultural applications, featuring a standard cab configuration and four-wheel drive capability.
Engine and Performance
The tractor is powered by the John Deere 6068T, a 6.8-liter, 6-cylinder turbocharged and intercooled diesel engine. It generates a rated net power of 125 hp (93.2 kW) at 2300 RPM. The engine delivers a maximum torque of 392.0 lb-ft (531.6 Nm) at 1500 RPM, providing consistent lugging ability for field operations.
Transmission and Drivetrain
Operators can choose between the PowrQuad Plus or AutoQuad II transmission systems. Both options are partial power shift transmissions offering 24 forward and 24 reverse gears, allowing for efficient speed management. The drivetrain includes four-wheel drive for enhanced traction and wet disc brakes for reliable deceleration.
Hydraulics and Hitch
The hydraulic system utilizes a closed-center load-sensing design, operating at a pressure of 2900 psi (200.0 bar) with a pump flow capacity of 25.4 gpm (96.1 lpm). The rear hitch is a category II/IIIN type, capable of lifting up to 16,360 lbs (7420 kg), suitable for heavy-duty implements.
PTO and Electrical System
The machine is equipped with an independent rear PTO offering 540/1000 RPM settings to accommodate various implements. The electrical system is powered by a 12V battery and a 90-amp alternator, ensuring stable power delivery for all onboard electronic and lighting systems.
Conclusion
The John Deere 6620 Premium serves as a versatile utility tractor, balancing power and hydraulic capacity. Its configuration makes it well-suited for general field work, transport, and heavy implement handling within mixed farming operations.
Production Information of John Deere, 6620 Premium
- Utility tractor
| Manufacturer | John Deere |
|---|
Dimension and Tires Information of John Deere, 6620 Premium
| Standard tires (ag) | Front: 14.9R28. Rear: 18.4R38 |
|---|
Engine Specifications of John Deere, 6620 Premium
- John Deere 6068T
- Liquid-cooled
- Turbocharged intercooled diesel
- 6-cylinder
| Intake valve clearance | 0.014 inches [0.356 mm] |
|---|---|
| Starter volts | 12 |
| Rated RPM | 2300 |
| Exhaust valve clearance | 0.018 inches [0.457 mm] |
| Operating RPM | 1300-2300 |
| Torque | 392.0 lb-ft [531.6 Nm] |
| Idle RPM | 850-2460 |
| Displacement | 414.1 ci [6.8 L] |
| Rated Power (net) | 125 hp [93.2 kW] |
| Bore/Stroke | 4.19x5.00 inches [106 x 127 mm] |
| Starter | Electric |
| Firing order | 1-5-3-6-2-4 |
| Torque RPM | 1500 |
Transmission Information of John Deere, 6620 Premium
Transmission variants 1
| Transmission | PowrQuad Plus |
|---|---|
| Type | Partial power shift |
| Gears | 24 forward and reverse |
Transmission variants 2
| Transmission | AutoQuad II |
|---|---|
| Type | Partial power shift |
| Gears | 24 forward and reverse |
Mechanical Specs of John Deere, 6620 Premium
- Four-wheel drive
- Cab standard.
- Wet disc brakes
| Steering | Hydrostatic power |
|---|
Power Information of John Deere, 6620 Premium
| Rear PTO | Independent |
|---|---|
| Rear PTO Type | 540/1000 |
Hydraulics Specifications of John Deere, 6620 Premium
| Type | Closed center load sensing |
|---|---|
| Pressure | 2900 psi [200.0 bar] |
| Pump flow | 25.4 gpm [96.1 lpm] |
Three-Point Hitch of John Deere, 6620 Premium
| Rear Type | II/IIIN |
|---|---|
| Rear lift | 16,360 lbs [7420 kg] |
Electrical System of John Deere, 6620 Premium
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Battery volts(optional) | 115 |
| Charging system | Alternator |
| Charging amps | 90 |
Where it sits
With 125 HP, the John Deere 6620 Premium sits between 6520 Premium (110 HP) and 6820 Premium (135 HP) in John Deere's range. Its power puts it in the 75th percentile of 2000s models in our database (2822 machines).
Frequently asked questions
How much horsepower does the John Deere 6620 Premium have?
The John Deere 6620 Premium delivers 125 HP.
What years was the John Deere 6620 Premium produced?
The John Deere 6620 Premium was produced in 2001-2006.
What engine does the John Deere 6620 Premium have?
The John Deere 6620 Premium is powered by a Turbocharged intercooled diesel, 6-cylinder engine.
What transmission does the John Deere 6620 Premium use?
The John Deere 6620 Premium uses a PowrQuad Plus transmission.
Is the John Deere 6620 Premium 4WD?
The John Deere 6620 Premium is available in 4WD.