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
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
Oil capacity
7.9qts / 7.5L
JOHN DEERE 4720 ENGINE
Description
John Deere 2.4L 4-cyl diesel
TRANSMISSION
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
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
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
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
About John Deere Tractor
The 4720 model tractor is part of John Deere's 9R line of tractors. The 4720 is a Compact Utility Tractors type, which is used mostly in Agriculture Tractors. The 4720 tractor features a engine. This configuration gives better real-world usability.