MANUFACTURER MODEL |
John Deere 4120 |
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| Engine |
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Manufacturer |
John Deere 4024T |
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Engine HP (kW) - gross |
43.0 (31.6) |
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PTO HP (kW) - Gear transmission |
37.0 (27.6) |
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PTO HP (kW) - Hydrostatic transmission |
35.0 (26.1) |
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Rated engine speed, rpm |
2400 |
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Type |
Diesel |
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Operating range |
950-2600 |
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Aspiration |
Turbo |
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Cylinders/Displacement, cu. in. (liters) |
4 / 148.9 (2.44) |
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Cylinder Liners |
Cast-in-block |
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Bore and Stroke, mm (in.) |
86x105 (3.39x4.13) |
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Compression Ratio |
20:1 |
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Lubrication |
Pressurized |
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Cooling System |
Water pump |
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Air Cleaner |
Dry type w/ safety element and air restriction indicator |
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Engine Shutoff |
Key switch |
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Engine Torque @ rated speed, ft./lb. (N/m) |
95.0 (128.8) |
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Fuel Tank Cap., US Gal. (L) (Open; Cab) |
Open-14.5 (54.9) |
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| Electrical |
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Type |
12 volt |
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Battery Size (CCA) |
770 |
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Alternator (12 volt, amp) |
70 amp |
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Starter Size, hp (kW) |
2.2 (2.3) |
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| Fuel System |
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Type |
Direct injection |
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Injection Pump Type |
In-line with electric shutoff |
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U.S. gal./hr (L/hr) @ 100% load* |
2.46 (9.3) |
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*Fuel consumption rate should be used for comparison purposes only. |
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| Transmission |
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Std. Transmission; Forward/Reverse |
PowrReverser; 12F/12R |
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Opt. Transmission; Forward/Reverse |
eHydro - 3 range |
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Left-Hand Reverser |
Yes / NA |
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On-The-Go Shifting (Yes/No/Partial) |
Yes / NA |
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Direction Reverser; Forward/Reverse |
Yes / NA |
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Final Drive |
Planetary |
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Brakes |
Wet disk |
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Steering |
Power steering |
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Clutch; Wet/Dry |
Two wet multi-disk / NA |
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Clutch Disk Diameter, in. (mm) wet clutch |
5.1 (130) / NA |
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Drawbar Tongue Weight Capacity, lb. (kg) |
1102 (500) |
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Axle Capacity (in operation) |
--- |
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Front, lb. (kg) |
3527 (1600) or total combined front tire capacity, whichever is less. |
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Rear, lb. (kg) |
5292 (2400) |
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Creeper |
No / Optional SpeedMatch |
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| Hydraulics |
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Type |
Open Center |
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Pump Rated Output, gpm (L/min.) |
17.1 (64.6) |
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Steering |
5.1 (19.3) |
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Implement |
12 (45.3) |
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Pump Type |
Dual gear |
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Maximum Operating Pressure (PSI) |
2500 |
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Draft Control Type |
Position Control |
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Remote Control Valves Available |
5 |
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| 3-Point Hitch |
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Type |
Category I |
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Lift Capacity (24-in. behind link arms), lb. (kg) |
2500 (1134) |
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Lift Capacity @ lift link ends, lb. (kg) |
3130 (1419) |
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| Power Take-Off (PTO) |
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Standard |
Rear @ 540 RPM |
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Optional |
Mid @ 2100 RPM |
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Control |
Independent |
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Clutch |
Multi-disk, wet |
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Brake (for Mid and Rear PTO) |
Multi-disk, wet |
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| Fluid Capacities |
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Fuel Tank, gal. (l) |
14.9 (54.9) |
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Cooling system (includes coolant bottle), qt. (l) |
6.4 (6.2) |
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Crankcase with filter, qt. (l) |
8 (7.5) |
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Transmission and Hydraulic System, gal. (l) gear |
10.3 (38.9) |
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Transmission and Hydraulic System, gal. (l) hydrostatic |
9.6 (36.1) |
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Front Axle Gearcase (MFWD axle), gal. (l) |
1.3(5) |
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| Final Drive |
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Type |
Planetary |
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Engage On-the-Go Rear Differential Lock |
Yes |
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| Operator Station |
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Rollover Protective Structure |
OSHA, SAE, ASAE |
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Rigid - Foldable - Telescopic |
Foldable |
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Platform - Flat/Straddle |
Flat |
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Gear Shift Location - Console/Floor |
Left Hand Side |
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| Cab |
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Compliance |
--- |
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Visibility |
--- |
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Air Conditioning, Temperature Differential |
--- |
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Doors |
--- |
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Platform - Flat/Straddle |
--- |
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dB(A) Rating |
--- |
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Seat Suspension System |
--- |
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| 2WD Dimensions |
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Wheelbase, in. (mm) |
NA |
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Front Tread Range, in. (mm) |
NA |
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Rear Tread Range, in. (mm) |
NA |
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Minimum Rear Tread Setting, in. (mm) |
NA |
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Front Axle Clearance, in. (mm) |
NA |
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Turning Radius w/Brakes, ft. (m) |
NA |
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Turning Radius w/o Brakes, ft. (m) |
NA |
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Unballasted Operating Weight, lb. (kg) |
NA |
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Approx. Ship Wgt, lb. (kg) Open; Cab |
--- |
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| MFWD Dimensions |
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Wheelbase, in. (mm) |
71.5 (1816) |
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Front Tread Range, in. (mm) |
--- |
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Front Axle Clearance, in. (mm) |
--- |
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Turning Radius w/Brakes, ft. (m) |
9.2 (2.8) |
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Turning Radius w/o Brakes, ft. (m) |
9.8 (3) |
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Limited Slip Differential |
--- |
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Unballasted Operating Weight, lb. (kg) |
--- |
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Approx. Ship Wgt, lb. (kg) Open; Cab |
3700 (1679) |
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| Standard Tires |
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2WD |
--- |
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Front |
NA |
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Rear |
NA |
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MFWD |
--- |
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Front |
8.00-16 R1 |
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Rear |
13.6-28 R1 |
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| Miscellaneous |
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Underhood Muffler |
Yes |
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Joystick SCV Control |
Yes |
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Inboard Planetary |
Yes |
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Axle Type |
Flanged |
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Brakes - Type and Control |
Wet Disk |