The 4020's decedents are usually considered to be the 4430 and 4440.
Deere still sells a stripped down simple mechanical 6D, 6115D series built in Mexico. Which is considered the "modern 4020".
Tractors
6D Series
6100D (100 hp)
6115D (115 hp)
6130D (130 hp)
6140D (140 hp)
6115D Cab
MANUFACTURER
MODEL John Deere
6115D Cab
Official Test
Nebraska Test Number TBD-Nebraska Test
Engine
Manufacturer John Deere 4.5L PowerTech E (2 valve)
Aspiration Turbocharged & Inercooled
Cylinders/Displacement, cu. in. (liters) 4/276 (4.5)
Cylinder Liners Wet
Fuel Tank Cap., US Gal. (L) (Open; Cab) ---
Standard 41.7 (158)
Optional N/A
Underhood muffler Yes
Performance
Advertised PTO HP (kW) @ Rated RPM 95 (70.8) @2100 per ISO 97/68/EC
Official PTO HP (kW) @ Rated RPM TBD-Nebraska Test
@ Standard PTO @ Eng RPM TBD-Nebraska Test
Maximum @ Eng RPM TBD-Nebraska Test
Advertised Engine HP (kW) @ Rated Speed 118.4 (87.0) @ 2100
Max Unballast Drwbr HP (kW) @ Eng RPM TBD-Nebraska Test
Maximum Torque (PTO) @ RPM, lb-ft (Nm) TBD-Nebraska Test
Max Torque Rise (80% Rtd Spd) @ Eng RPM TBD-Nebraska Test
Maximum Torque Rise % (PTO) @ Eng RPM TBD-Nebraska Test
Fuel Use, U.S. gal./hr. & HP hr./gal. at:
PTO @ Rated Eng RPM TBD-Nebraska Test
Standard PTO Speed @ Eng Speed TBD-Nebraska Test
Maximum PTO Power @ Eng RPM TBD-Nebraska Test
Maximum Engine Power @ Eng RPM TBD-Nebraska Test
Max Unballasted Drawbar Power @ Eng RPM TBD-Nebraska Test
75% Load, Full Engine RPM (Unballasted) TBD-Nebraska Test
75% Load @ Reduced RPM (Unballasted) TBD-Nebraska Test
Transmission
Std. Transmission; Forward/Reverse 9F/9R PowrReverser
Opt. Transmission; Forward/Reverse 9F/3R Top Shaft Syncronized
Reverser Base LH
On-the-Go Shifting (Yes/No/Partial) Yes
Clutch; Wet/Dry Wet
Creeper No
Power Take-Off (PTO)
Standard Independent 540/1000
Optional N/A
PTO Speeds @ Engine RPM TBD-Nebraska Test
PTO Actuation TBD-Nebraska Test
Hydraulics
Type Open-Center
Pump Rated Output, GPM (L/min.) ---
Standard 17.6 (66.6)
Optional N/A
Rated Flow @ One SCV, GPM (L/min.) N/A
Max Output @ SCV Couplers, GPM (L/min.) N/A
Maximum Operating Pressure, PSI (kPa) 2830 (19500)
Maximum Hydraulic Power, HP (kW) 18.6 (13.8)
Hitch Draft Control Load Sense Type Lower-link
Remote Control Valves Available 2 std., 3 opt.
Hitch Category (SAE Designation) Category II
Hitch Lift Cap. lb. (kg) @24"Bhnd Lift Pt. ---
OECD ---
Standard 6930 (3150)
Optional ---
Hitch Lift Cap. lb. (kg) @24"Bhnd Lift Pt. (SAE) ---
Standard ---
Optional ---
Hitch Lift Cap. lb. (kg) @24"Bhnd Lift Pt. (ASAE) ---
Standard ---
Optional ---
Sensing Type Mechanical
Joystick SCV Control Mid mount, opt.
Final Drive
Type Inboard Planetary
Differential Controls Mechanical
Availability ---
Front N/A
Front & Rear N/A
Engage On-the-Go Rear Differential Lock Yes
Axle Type Flanged
Brakes, Type and Control Mechanically actuated wet disk
Operator Station
Rollover Protective Structure, OOS N/A
Rigid - Foldable - Telescopic N/A
Platform - Flat/Straddle N/A
Gearshift Location - Console/Floor N/A
Cab ---
Doors 2
Platform - Flat/Straddle Flat
dB(A) Rating 82
Seat Suspension System Mechanical, Air opt.
2WD Dimensions
Wheelbase, in. (mm) 92.5 (2350)
Front Tread Range, in. (mm) 60.4-80.4 (1533-2043)
Rear Tread Range, in. (mm) 59.5-79.4 (1512-2016)
Minimum Rear Tread Setting, in. (mm) 59.5 (1512)
Front Axle Clearance, in. (mm) 23.5 (597)
Turning Radius w/Brakes, ft. (m) 7 (2.1) @ 64.4 in. tread setting
Turning Radius w/o Brakes, ft. (m) 9.5 (2.9) @ 64.4 in. tread setting
Unballasted Operating Weight, lb. (kg) 8160 (3700)
Approx. Ship Wgt, lb. (kg) Open; Cab 8160 (3700)
MFWD Dimensions
Wheelbase, in. (mm) 92.5 (2350)
Front Tread Range, in. (mm) 59.7-79.4 (1516-2016)
Front Axle Clearance, in. (mm) 18 (457)
Turning Radius w/Brakes, ft. (m) N/A
Turning Radius w/o Brakes, ft. (m) 14.7 (4.5) @ 67.7 in. tread setting
Limited Slip Differential Yes
Unballasted Operating Weight, lb. (kg) 9390 (4260)
Approx. Ship Wgt, lb. (kg) Open; Cab 9390 (4260)
4WD Dimensions
Wheelbase, in. (mm) N/A
Wheel Tread, Min. to Max. in. (mm) N/A
Turning Radius w/o Brakes, ft. (m) N/A
Nebraska Test Unballasted w/Duals, lb.(kg) N/A
Unballasted Weight, lb. (kg) N/A
Standard Tires
2WD ---
Front 10.00-16 in., 6 PR F2
Rear 18.4-34 in., 8 PR R1
MFWD ---
Front 13.6-24 in., 6 PR R1
Rear 18.4-34 in., 8 PR R1
4WD N/A
Track Widths N/A
Miscellaneous
Country of Manufacture Saltillo, Mexico