Diesel eHydro 4WD August 31 - September 2, 2005 Link: Nebraska Tractor Test 1854 file PTO performance
Power at rated engine speed
46.58hp / 34.7kW
Fuel use
3.0gal/hour / 11.4l/hour
Power at rated PTO speed
46.58hp / 34.7kW
JOHN DEERE 4520 POWER
Engine
53.1hp / 39.6kW
PTO (claimed)
40hp / 29.8kW
PTO (tested)
46.58hp / 34.7kW
ENGINE DETAIL
Description
John Deere 4042T turbocharged diesel 4-cylinder liquid-cooled
Displacement
148.9ci / 2.4L
Bore/Stroke
3.386x4.134inches / 86x 105mm
Power
53.1hp / 39.6kW
Air cleaner
paper and felt elements
Compression
20.5:1
Rated RPM
2400
Torque
141lb-ft / 191.2Nm
Torque RPM
1440
Starter volts
12
Starter power
2.9hp / 2.2kW
Coolant capacity
6.4qts / 6.1L 8.8qts / 8.3L (with cab)
ENGINE OIL
Oil capacity
7.9qts / 7.5L
JOHN DEERE 4520 ENGINE
Description
John Deere 2.4L 4-cyl diesel
TRANSMISSIONS OVERVIEW
Description
12-speed hydrostatic
TRANSMISSION 1
Transmission
PowrReverser
Gears
12 forward and reverse
Oil capacity
41.2qts / 39.0L
0oF [-17oC]
Deere HY-GARD
100oF [37oC]
Low-visc HY-GARD / JDM J20C / J20D
Description
Power Reverser uses three ranges, four gears, and a reverser to provide 12 speeds in each direction. The tractor must be stopped, and clutch depressed, to change ranges. The gear can be changed while the tractor is in motion using the clutch. The clutch is not needed to change directions with the reverser lever
SPEEDS 1
Description
With 13.6-28 rear tires
TRANSMISSION 2
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 4520 tractor is part of the John Deere's 4000 Twenty Compact Series. The 4520 is a Compact Utility Tractors type, which is used often in Agriculture Tractors. The 4520 tractor has a engine. This configuration offers better real-world usability.