Pick up to 4tractors and we'll lay every spec sheet out side by side. Same data we publish on the individual model pages, stacked in columns so you can compare numbers at a glance.
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JohnDeere4066M
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JohnDeere2038R
Comparison loaded for 2 tractors.
Spec
John Deere4066M
John Deere2038R
PTO Power
51.9 hp
30.4 hp
Alternator
75 A, 12 V
85 A, 12 V
Air Cleaner
Dual element (dry type with safety element)
Dual element
Engine Type
Diesel
Diesel, turbocharged
Fuel System
High-pressure common rail direct injection
Direct fuel injection
Displacement
127.6 in³
95.7 in³
No. of Cylinders
4
3
Rated Engine Speed
2600 rpm
2500 rpm
Cooling System Type
Liquid (water pump)
Liquid-cooled
Engine Manufacturer
Yanmar
Yanmar
Engine Power (Gross)
65 hp @ 600 rpm
36.7 hp @ 500 rpm
Engine Emissions Constraints
Tier 4
Tier 4
Tractor Weight with Loader
Not Published
Not Published
Weight with Cab and Loader
Not Applicable
Not Applicable
Weight with ROPS and Loader
Not Published
Not Published
Pump Type
Dual gear
Dual gear
Steering Flow
5.7 gpm
3.9 gpm
Implement Flow
10.2 gpm
5.2 gpm
Total Hydraulic Flow
17.4 gpm
9.1 gpm
Hydraulic System Type
Open center
Open center
Rear Remote Hydraulic Flow
Not Published
Not Published
Overall Hydraulic Pump Flow
17.4 gpm
9.1 gpm
No. of Optional Remote Valves
Up to 6 rear remotes
Up to 3
No. of Standard Remote Valves
Not Published
Not Published
PTO Rear
540 rpm
540 rpm
PTO Type
Independent (electrohydraulic)
Independent
Lift Control Type
Position control
Position control
Hitch Lift Capacity
3,130 lb
1,356 lb
Mid-PTO Availability
Available
Standard
Category, 3-Point Hitch
Category 1 (limited)
Category 1
Hitch Lift Capacity (at 24”)
2,500 lb
1,356 lb
R3 Turf - Rear
44X18.00-20 (4PR)
14-17.5
R3 Turf - Front
27X10.50-15
23X8.50-14
Tire Size & Options
R1 Bar, R3 Turf, R4 Industrial
R1 Ag, R3 Turf, R4 Industrial, R3 Turf Radial
R4 Industrial - Rear
420/85D24
14-17.5
R4 Industrial - Front
260/70D16.5
23X8.50-14
R1 Agricultural - Rear
13.6-28 (6PR) or 380/70R28 or 360/80R28
12.4-16
R1 Agricultural - Front
8.00-16 (10PR) or 280/70R16 or 250/75R16
7.00-12
Coolant Capacity
Open station: 6.8 qt; Cab: 8.0 qt (if equipped)
1.37 gal
Crankcase Capacity
5.6 qt (with filter)
1.13 gal
Fuel Tank Capacity
Open station: 15.0 gal; Cab: 14.7 gal (if equipped)
8.5 gal
Front Axle Fluid Capacity
5.3 qt
1.0 gal
Transmission / Hydraulic System Capacity
12.5 gal
6.2 gal
Loader Lift Height
112.1 in
85 in
Loader Breakout Force
At pivot: 3,853 lbf; @ 19.7 in ahead of pivot: 2,902 lbf
1,949 lbf (pivot)
Price for Backhoe Option
Not Published
Not Published
Price for Mid-Mount Mower
Not Published
Not Published
Quick Attach Loader System
Rigid mounted with parking kit available; Parking stand kit BW16127 (parkable)
Quik-Park
Loader Lift Capacity (Full Height)
At pivot: 2,396 lb; @ 19.7 in ahead of pivot: 1,764 lb
1,120 lb (pivot)
Clutch
Wet; wet clutch disk diameter 5.08 in
Not Applicable
No. of Speeds
PowrReverser: 12F/12R; eHydro: Infinitely-variable, 3 range
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John Deere 4066M vs John Deere 2038R | Side-by-side comparison | ITC Resource Center
