Introduction
John Deere 4320 Compact Utility Tractor
The John Deere 4320 is a compact utility tractor manufactured in Augusta, Georgia, between 2005 and 2014. Designed for agricultural and landscaping applications, this model belongs to a lineage of versatile John Deere machines, including the 4049M, 4120, 4520, and 4510 series.
Engine and Performance
The tractor is powered by a 2.4-liter, 4-cylinder turbocharged diesel engine. It generates a gross power output of 48.1 hp (35.9 kW) at a rated speed of 2400 RPM. The engine uses a liquid-cooling system and glow plugs for reliable starting, producing 127 lb-ft of torque at 1440 RPM.
Transmission and Drivetrain
The 4320 offers two transmission configurations: a 12-speed PowrReverser transmission, which allows for quick directional changes, or an eHydro hydrostatic transmission providing infinite speeds across three ranges. The machine features four-wheel drive as standard, coupled with power steering and differential mechanical wet disc brakes for controlled operation.
Hydraulics and PTO
The hydraulic system utilizes an open-center design with a total flow capacity of 17.1 gpm (64.7 lpm) and a system pressure of 2500 psi. For implement operation, it includes an independent rear 540 RPM PTO, with an optional 2100 RPM mid-PTO available for mid-mounted attachments.
Dimensions and Capacity
With an operating weight of 3,850 lbs (1,746 kg) and a wheelbase of 71.5 inches, the tractor provides a stable platform for field work. The Category I rear hitch is capable of lifting 2,500 lbs (1,134 kg) at 24 inches behind the lift point, making it suitable for a variety of mounted implements.
Conclusion
The John Deere 4320 is a robust, mid-range compact utility tractor designed for operators requiring a balance of maneuverability and implement versatility. Its combination of hydrostatic or mechanical transmission options and reliable hydraulic output makes it well-suited for diverse farm and estate maintenance tasks.
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Production Information of John Deere, 4320
- Compact Utility tractor
- Built in Augusta, Georgia, USA
| Manufacturer | John Deere |
|---|
Dimension and Tires Information of John Deere, 4320
| Operating weight | 3,850 lbs [1746 kg] |
|---|---|
| Wheelbase | 71.5 inches [181 cm] |
| Height (hood) | 62 inches [157 cm] |
| Height (hood)(optional) | 91.9 inches (R4 tires) [233 cm] |
| Length | 128.2 inches [325 cm] |
| Max Drawbar | 1,103 lbs [500 kg] |
| Height (ROPS) | 97.2 inches [246 cm] |
| Width | 65.6 inches (R1 tires) [166 cm] |
| Ag front | 8.00-16 |
|---|---|
| Ag rear | 13.6-28 |
Engine Specifications of John Deere, 4320
- John Deere
- Liquid-cooled vertical
- Turbocharged diesel
- 4-cylinder
| Starter power | 2.9 hp [2.2 kW] |
|---|---|
| Starter volts | 12 |
| Air cleaner | Paper and felt elements |
| Oil capacity | 7.9 qts [7.5 L] |
| Compression | 20:1 |
| Rated RPM | 2400 |
| Pre-heating | Glow plugs |
| Displacement | 148.9 ci [2.4 L] |
| Power (gross) | 48.1 hp [35.9 kW] |
| Bore/Stroke | 3.386x4.134 inches [86 x 105 mm] |
| Torque RPM | 1440 |
| Coolant capacity | 6.4 qts [6.1 L] |
| Torque | 127 lb-ft [172.2 Nm] |
| Idle RPM | 1000-2600 |
Transmission Information of John Deere, 4320
Transmission variants 1
| Transmission | PowrReverser |
|---|---|
| Gears | 12 forward and reverse |
| Oil capacity | 41.2 qts [39.0 L] |
Transmission variants 2
| Transmission | EHydro |
|---|---|
| Oil capacity | 38.4 qts [36.3 L] |
| Type | Hydrostatic |
| Gears | Infinite 3-range forward and reverse |
- 12-speed
- Hydrostatic
Mechanical Specs of John Deere, 4320
- Four-wheel drive
- ROPS
- Power steering
- Differential mechanical wet disc brakes
Power Information of John Deere, 4320
| Rear PTO | Independent |
|---|---|
| Mid PTO Type | 2100 |
| Rear PTO Type | 540 |
| Mid PTO(optional) | Independent |
Hydraulics Specifications of John Deere, 4320
| Steering flow | 5.1 gpm [19.3 lpm] |
|---|---|
| Type | Open center |
| Pump flow | 12 gpm [45.4 lpm] |
| Pressure | 2500 psi [172.4 bar] |
| Gear Capacity | 10.3 gal [39.0 L] |
| Total flow | 17.1 gpm [64.7 lpm] |
| Hydro Capacity | 9.6 gal [36.3 L] |
Three-Point Hitch of John Deere, 4320
| Rear Type | I |
|---|---|
| Rear lift (at 24"/610mm) | 2,500 lbs [1134 kg] |
Electrical System of John Deere, 4320
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Battery CCA | 770 |
| Charging system | Alternator |
| Charging amps | 75 |
Where it sits
With 48 HP, the John Deere 4320 sits between 4120 (43 HP) and 4049M (49 HP) in John Deere's range. Its power puts it in the 31th percentile of 2000s models in our database (2822 machines).
Frequently asked questions
How much horsepower does the John Deere 4320 have?
The John Deere 4320 delivers 48 HP.
What years was the John Deere 4320 produced?
The John Deere 4320 was produced in 2005-2014.
What engine does the John Deere 4320 have?
The John Deere 4320 is powered by a Turbocharged diesel, 4-cylinder engine.
What transmission does the John Deere 4320 use?
The John Deere 4320 uses a PowrReverser transmission.
How much does the John Deere 4320 weigh?
The John Deere 4320 weighs 3,850 lbs [1746 kg].
Is the John Deere 4320 4WD?
The John Deere 4320 is available in 4WD.