| Manufacturer | John Deere |
| Price | - |
| Model | 4720 |
| Equipment Type | Compact Utility Tractors |
| Factory | Augusta, Georgia, USA |
NEBRASKA TRACTOR TEST 1855 2
| Description | Diesel eHydro 4WD August 31 - September 2, 2005 Link: Nebraska Tractor Test 1855 file PTO performance |
| Power at rated engine speed | 51.77hp / 38.6kW |
| Fuel use | 3.3gal/hour / 12.5l/hour |
| Power at rated PTO speed | 51.77hp / 38.6kW |
JOHN DEERE 4720 POWER
| Engine | 58.1hp / 43.3kW |
| PTO (claimed) | 50hp / 37.3kW |
| PTO (tested) | 51.77hp / 38.6kW |
ENGINE DETAIL
The John Deere 4720 tractor features a turbocharged diesel engine with a displacement of 2.4L, delivering 58.1 hp and a peak torque of 155 lb-ft at 1440 RPM. Its high compression ratio of 20.5:1 enhances fuel efficiency but may require higher-quality diesel to mitigate risks of knocking in lower-grade fuels. The tractor's compact ROPS and cab coolant capacities of 6.4 and 8.8 quarts, respectively, indicate adequate thermal management for sustained operation, making it well-suited for agricultural tasks in moderate to heavy-duty scenarios.
| Description | John Deere 4024T turbocharged diesel 4-cylinder liquid-cooled vertical |
| Displacement | 148.9ci / 2.4L |
| Bore/Stroke | 3.386x4.134inches / 86x 105mm |
| Power | 58.1hp / 43.3kW |
| Air cleaner | paper and felt elements |
| Compression | 20.5:1 |
| Rated RPM | 2400 |
| Torque | 155lb-ft / 210.2Nm |
| Torque RPM | 1440 |
| Starter volts | 12 |
| Starter power | 2.9hp / 2.2kW |
| ROPS Coolant capacity | 6.4qts / 6.1L |
| Cab Coolant capacity | 8.8qts / 8.3L |
ENGINE OIL
The John Deere 4720 tractor has an oil capacity of 7.9 quarts (7.5 liters), which is essential for maintaining optimal engine performance and longevity. Crucially, regular oil changes and the use of the recommended oil type can enhance fuel efficiency and reduce mechanical wear. In scenarios requiring extended operation, ensure the oil level is monitored to prevent engine damage and maintain reliable function.
| Oil capacity | 7.9qts / 7.5L |
JOHN DEERE 4720 ENGINE
The John Deere 4720 features a robust 2.4L 4-cylinder diesel engine, providing efficient power for various agricultural tasks. With a rated horsepower of approximately 48, it balances performance with fuel efficiency, making it suitable for both small to medium-sized operations. However, potential limitations in torque output at lower RPMs may affect its performance during heavy towing or plowing scenarios, necessitating careful load management.
| Description | John Deere 2.4L 4-cyl diesel |
TRANSMISSION
The John Deere 4720 features an eHydro hydrostatic transmission, providing infinite speed control across three ranges, which enhances operational flexibility for various tasks. Oil capacity of 38.4 quarts ensures adequate lubrication under diverse conditions, but be mindful of the specific fluids required at different temperatures, including Deere HY-GARD for cold starts. Pros include ease of use with the eThrottle for automatic engine speed management, while a challenge may arise in the need to stop the tractor for range changes, which could interrupt workflow during intensive operations.
| Transmission | eHydro |
| Type | hydrostatic |
| Gears | infinite 3-range forward and reverse |
| Oil capacity | 38.4qts / 36.3L |
| 0oF [-17oC] | Deere HY-GARD |
| 100oF [37oC] | Low-visc HY-GARD / JDM J20C / J20D |
| Description | The eHydro uses a three-position range lever and two foot pedals, one for forward and one for reverse. The foot pedals must be released, and tractor stopped, to change range. The eThrottle feature allows the tractor to automatically manage engine speed |
SPEEDS
| Description | With 16.3-28 rear tires |
MECHANICAL
The John Deere 4720 features a 4x4 MFWD chassis, enhancing traction and stability on varied terrains, particularly advantageous for operations in loose or muddy soil conditions. Its hydrostatic power steering and transmission provide smooth operability, reducing operator fatigue during extended use. The optional heated and air-conditioned cab contributes to comfort, but the two-post foldable ROPS may limit overhead protection compared to a full cab structure in adverse weather or rollover situations.
| Chassis | 4x4 MFWD 4WD |
| Steering | hydrostatic power |
| Brakes | wet disc |
| Cab | Two-post foldable ROPS. Cab optional with heat and air-conditioning |
| Transmission | hydrostatic |
CAPACITY
| ROPS Fuel | 14.5gal / 54.9L |
| Cab Fuel | 13.8gal / 52.2L |
| Hydraulic system | 9.6gal / 36.3L |
HYDRAULICS
| Type | open center |
| Capacity | 9.6gal / 36.3L |
| Pressure | 2500psi / 172.4bar |
| Pump flow | 12gpm / 45.4lpm *Advertised rate. During testing, actual hydraulic flow as 11 GPM |
| Total flow | 17.1gpm / 64.7lpm |
| Steering flow | 5.1gpm / 19.3lpm |
TRACTOR HITCH
| Rear Type | I |
| Rear lift (at 24 | 2500lbs / 1134kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 540 |
| Mid PTO | independent |
| Mid RPM | 2100 |
JOHN DEERE 4720 TIRES
The John Deere 4720 tractor offers versatility with multiple tire options optimized for agricultural, lawn/turf, and industrial applications. The Ag tires provide excellent traction and stability for field operations, while the lawn/turf tires minimize ground disturbance for landscaping tasks. However, tire selection may impact performance; for instance, ag tires excel in wet, muddy fields, while turf tires are better suited for maintaining lawns without causing damage.
| Ag front | 8.00-16 |
| Ag rear | 13.6-28 |
| Lawn/turf front | 27x10.5-15/27x12LL-15 |
| Lawn/turf rear | 44x18.00-20/22.5LL-16.1 |
| Industrial front | 10.00-16.5 |
| Industrial rear | 17.5L-24 |
DIMENSIONS
| Wheelbase | 71.5inches / 181cm |
| Length | 128.2inches / 325cm |
| Width | 65.6inches / 166cm *Minimum width with R1 tires./91.9inches / 233cm *Minimum width with R4 tires |
JOHN DEERE 4720 WEIGHT
| Operating | 3860lbs / 1750kg *Tractor equipped with ROPS |
| Max capacity | 8820lbs / 4000kg |
| Max Drawbar | 1103lbs / 500kg |
JOHN DEERE 4720 HEIGHT
| Hood | 62inches / 157cm |
| ROPS | 97.2inches / 246cm |
| Cab | 92.4inches / 234cm |
DIMENSIONS & TIRES
The John Deere 4720's wheelbase of 71.5 inches contributes to improved maneuverability in tight spaces, making it suitable for varied agricultural tasks or landscaping. Weighing 3,860 lbs, it offers stability during operations, but may present challenges on softer ground conditions due to potential sinkage. The front tire size of 8.00-16 and rear tire size of 13.6-28 enhance traction, yet tire choice is critical for optimizing performance in differing soil types and conditions.
| Wheelbase | 71.5inches / 181cm |
| Weight | 3860lbs / 1750kg |
| Front tire | 8.00-16 |
| Rear tire | 13.6-28 |
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 |
4720 SERIAL NUMBERS
| Location | Serial number on the righty side of the tractor frame, above the front axle |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 70 |
| Battery CCA | 770 |
| Battery volts | 12 |