Every published spec, side by side, including the details the graphs above don't chart.
Spec
John Deere4075R
John Deere5520
Engine Manufacturer
Yanmar
John Deere
Engine Model
4TNV86CHT-MJT
4045T
Engine Type
Turbocharged 4-cylinder Diesel
4-cylinder turbocharged diesel
No. of Cylinders
4
4
Displacement
127.6 in³
278 in³
Rated Engine Speed
2600 rpm
2400 rpm
Engine Power (Gross)
74.3 hp
89 hp
PTO Power
60 hp
75 hp
Engine Emissions Constraints
Tier 4
Not Published
Cooling System Type
Liquid-cooled
Liquid-cooled
Air Cleaner
Dry type with safety element
Not Published
Fuel System
High pressure common-rail direct injection
Not Published
Alternator
75 A, 12 V
40 A
Pump Type
Dual Independent
Tandem gear pump
Implement Flow
10.2 gpm
15.9 gpm
Steering Flow
5.7 gpm
6.6 gpm
Total Hydraulic Flow
15.9 gpm
22.5 gpm (15.9 + 6.6, computed)
Overall Hydraulic Pump Flow
15.9 gpm
Not Published
Hydraulic System Type
Open center
Open center
Rear Remote Hydraulic Flow
Not Published
15.9 gpm
No. of Standard Remote Valves
Not Published
2 to 3 rear
No. of Optional Remote Valves
3rd, 4th, and 5th optional (up to 5 total)
Not Published
Fuel Tank Capacity
14.7 gal
22 gal (straddle mount, early model); 25 gal (straddle mount, late model); 27 gal (IOOS or cab, small filler neck); 29.5 gal (IOOS or cab, large filler neck)
Coolant Capacity
8.0 qt
11.4 qt
Crankcase Capacity
5.7 qt (with filter)
9 qt
Transmission / Hydraulic System Capacity
12.5 gal
10 gal (CollarShift and SyncShuttle, dry clutch); 11.5 gal (PowrReverser, wet clutch)