| Manufacturer | John Deere |
| Price | - |
| Model | 4320 |
| Equipment Type | Compact Utility Tractors |
| Factory | Augusta, Georgia, USA |
NEBRASKA TRACTOR TEST 1853 2
| Description | Diesel eHydro 4WD September 1 - 2, 2005 Link: Nebraska Tractor Test 1853 file PTO performance |
| Power at rated engine speed | 41.58hp / 31.0kW |
| Fuel use | 2.9gal/hour / 11.0l/hour |
JOHN DEERE 4320 POWER
| Engine (gross) | 48.1hp / 35.9kW |
| Gear PTO (claimed) | 40.5hp / 30.2kW |
| Hydro PTO (claimed) | 40hp / 29.8kW |
| PTO (tested) | 41.58hp / 31.0kW |
ENGINE DETAIL
The John Deere 4320 features a turbocharged 4-cylinder diesel engine with a notable compression ratio of 20:1, enabling improved fuel efficiency and power generation at a rated RPM of 2400. With a gross power output of 48.1 hp and peak torque of 127 lb-ft at 1440 RPM, it excels in agricultural tasks that demand consistent torque under load. Its efficient cooling system (6.4 qts) and pre-heating via glow plugs allow reliable operation in varied climate conditions, although maintenance of the air cleaner's dual element design may be required for optimal performance.
| Description | John Deere turbocharged diesel 4-cylinder liquid-cooled vertical |
| Displacement | 148.9ci / 2.4L |
| Bore/Stroke | 3.386x4.134inches / 86x 105mm |
| Power (gross) | 48.1hp / 35.9kW |
| Air cleaner | paper and felt elements |
| Pre-heating | glow plugs |
| Compression | 20:1 |
| Rated RPM | 2400 |
| Idle RPM | 1000-2600 |
| Torque | 127lb-ft / 172.2Nm |
| Torque RPM | 1440 |
| Starter volts | 12 |
| Starter power | 2.9hp / 2.2kW |
| Oil capacity | 7.9qts / 7.5L |
| Coolant capacity | 6.4qts / 6.1L |
JOHN DEERE 4320 ENGINE
The John Deere 4320 features a robust 2.4L 4-cylinder diesel engine, providing a balance between power and fuel efficiency, making it suitable for both agricultural and small-scale industrial applications. Its compact design allows for agility in tight spaces, though it may have limitations in heavy-duty towing compared to larger models. Overall, this tractor is ideal for tasks such as mowing, tilling, and light hauling, but users should consider power requirements for more extensive operations.
| Description | John Deere 2.4L 4-cyl diesel |
TRANSMISSIONS OVERVIEW
The John Deere 4320's 12-speed hydrostatic transmission provides smooth and precise speed control, enhancing operator comfort and productivity in various agricultural tasks. However, hydrostatic systems may require more maintenance compared to traditional gear transmissions, and initial costs can be higher. This tractor is particularly well-suited for operations that demand frequent speed adjustments, such as mowing or loader work.
| Description | 12-speed hydrostatic |
TRANSMISSION 1
The John Deere 4320 features a PowrReverser transmission, offering smooth gear shifting between 12 forward and 12 reverse, which enhances maneuverability in tight spaces. With an oil capacity of 41.2 quarts (39.0 liters), it ensures adequate lubrication for extended operational life but may require frequent checks in demanding applications. This tractor is ideally suited for varied tasks such as tillage and loader work, benefiting from its efficient power management and operational versatility.
| Transmission | PowrReverser |
| Gears | 12 forward and reverse |
| Oil capacity | 41.2qts / 39.0L |
SPEEDS 1
| Description | With 13.6-28 rear tires |
TRANSMISSION 2
The John Deere 4320 features an eHydro hydrostatic transmission, providing infinite speed control over three ranges in both forward and reverse, enhancing maneuverability in tight spaces. Its oil capacity of 38.4 quarts (36.3 liters) supports efficient hydraulic operation and cooling, crucial for extended heavy-duty use. However, the complexity of hydrostatic systems may lead to higher maintenance costs and requires operator familiarity for optimal performance.
| Transmission | eHydro |
| Type | hydrostatic |
| Gears | infinite 3-range forward and reverse |
| Oil capacity | 38.4qts / 36.3L |
SPEEDS 2
| Description | With 16.3-28 rear tires |
MECHANICAL
The John Deere 4320 features a robust 4x4 MFWD design, enhancing traction and stability in diverse terrain. Its 12-speed hydrostatic transmission ensures smooth speed variations, facilitating both precision in field work and ease of operation. With ROPS and differential mechanical wet disc brakes, operator safety is prioritized while maintaining solid stopping power in challenging conditions.
| Chassis | 4x4 MFWD 4WD |
| Steering | power |
| Brakes | differential mechanical wet disc |
| Cab | ROPS |
| Transmissions | 12-speed hydrostatic |
CAPACITY
| Fuel | 14.5gal / 54.9L |
| Gear Hydraulic system | 10.3gal / 39.0L |
| Hydro Hydraulic system | 9.6gal / 36.3L |
HYDRAULICS
| Type | open center |
| Gear Capacity | 10.3gal / 39.0L |
| Hydro Capacity | 9.6gal / 36.3L |
| Pressure | 2500psi / 172.4bar |
| Pump flow | 12gpm / 45.4lpm |
| Total flow | 17.1gpm / 64.7lpm |
| Steering flow | 5.1gpm / 19.3lpm |
TRACTOR HITCH
| Rear Type | I |
| Rear lift (at 24 | 2,500lbs / 1134kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 540 |
| Mid PTO | independent |
| Mid RPM | 2100 |
JOHN DEERE 4320 TIRES
The John Deere 4320 features agricultural tires with front specifications of 8.00-16 and rear specifications of 13.6-28, providing a balanced traction and weight distribution for various farming tasks. The larger rear tires improve traction on uneven terrains, while the front tires enhance steering responsiveness. However, operators should consider the potential challenges in narrow spaces due to the wider rear setup.
| Ag front | 8.00-16 |
| Ag rear | 13.6-28 |
DIMENSIONS
| Wheelbase | 71.5inches / 181cm |
| Length | 128.2inches / 325cm |
| Width | 65.6inches / 166cm (R1 tires) 91.9inches / 233cm (R4 tires) |
| Height (hood) | 62inches / 157cm |
| Height (ROPS) | 97.2inches / 246cm |
| Operating weight | 3,850lbs / 1746kg |
| Max Drawbar | 1,103lbs / 500kg |
DIMENSIONS & TIRES
The John Deere 4320's wheelbase of 71.5 inches provides stability and maneuverability, ideal for mid-range applications like row cropping. Weighing 3,850 lbs, its compact size allows for versatility in smaller fields but may limit performance in heavy-duty tasks compared to larger tractors. The tire specifications (front: 8.00-16, rear: 13.6-28) facilitate adequate traction on various terrains, although users should consider potential ground compaction in softer soils.
| Wheelbase | 71.5inches / 181cm |
| Weight | 3,850lbs / 1746kg |
| Front tire | 8.00-16 |
| Rear tire | 13.6-28 |
ATTACHMENT OVERVIEW
| Description | Front-end loader Backhoe |
JOHN DEERE 400X LOADER
| Loader weight | 927lbs / 420kg |
| Height (to pin) | 112.8inches / 286cm |
| Dump reach | 24.7inches / 62cm |
| Dump angle | 46° |
| Rollback angle | 31° |
| Breakout force (at pin) | 3506lbs / 1590kg |
| Breakout force (at 500mm) | 2641lbs / 1197kg |
| Lift to full height (at pin) | 2368lbs / 1074kg |
| Lift to full height (at 500mm) | 1742lbs / 790kg |
| Lift to 1.5m (at pin) | 2634lbs / 1194kg |
| Lift to 1.5m (at 500mm) | 2181lbs / 989kg |
| Raise time to height | 3.68 s |
| Bucket dump time | 2.44 s |
| Lowering time | 2.48 s |
| Rollback time | 1.44 s |
JOHN DEERE 400CX (MSL) LOADER
| Loader weight | 1100lbs / 498kg |
| Height (to pin) | 110.9inches / 281cm |
| Dump reach | 27.5inches / 69cm |
| Dump angle | 45° |
| Rollback angle | 41° |
| Breakout force (at pin) | 3512lbs / 1593kg |
| Breakout force (at 500mm) | 3159lbs / 1432kg |
| Lift to full height (at pin) | 2194lbs / 995kg |
| Lift to full height (at 500mm) | 2339lbs / 1060kg |
| Lift to 1.5m (at pin) | 2627lbs / 1191kg |
| Lift to 1.5m (at 500mm) | 2576lbs / 1168kg |
| Raise time to height | 3.68 s |
| Bucket dump time | 1.6 s |
| Lowering time | 2.48 s |
| Rollback time | 1.1 s |
JOHN DEERE 485 BACKHOE
| Backhoe type | John Deere 485 Backhoe |
| Weight | 1460lbs / 662kg |
| Transport height | 90inches / 228cm |
| Digging depth | 105inches / 266cm |
| Reach from pivot | 142inches / 360cm |
| Loading height | 88inches / 223cm |
| Bucket Rotation | 180 |
| Swing Arc | 180 |
| Bucket force | 3730lbs / 1691kg |
| Dipperstick force | 2435lbs / 1104kg |
4320 SERIAL NUMBERS
| Location | Serial number plate on the right side of the 4320 tractor frame, above the front axle |
| 2005 | 230001 |
| 2006 | 320001 |
| 2007 | 420001 |
| 2008 | 520001 |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 75 |
| Battery CCA | 770 |
| Battery volts | 12 |