John Deere 4120

Last Updated: June 2024

Overview

The John Deere 4120 compact utility tractor is a versatile and durable piece of machinery, well-suited for a variety of tasks. Manufactured from 2004 to 2014, this model features a turbocharged diesel engine with liquid cooling and four cylinders, providing a balance of efficiency and power. At a rated 2400 RPM, the engine is capable of delivering 43 horsepower. Transmission options for the 4120 include a 12-speed power shuttle and an infinite-speed hydrostatic drive, which, along with its 4WD chassis, offers substantial flexibility and control in various working conditions. The open operator station with ROPS ensures safety while operating the machine. Implement control is facilitated through a category I three-point hitch and independent PTO, with a rear hitch lift capacity of 3,131 lbs. Adding to its efficient design are the hydraulic open center system and wet disc brakes, as well as additional conveniences such as a differential lock and mechanical front-wheel drive.
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Key Specifications

Category: Utility

Power Output: 43

Transmission: Power shuttle / Hydrostatic

Drive Type: 4WD

Operating Weight: 3700

Fuel Type: Diesel

John Deere 4120 vs. Similar Tractors

Power Output
Average
Greater than 40% of similar tractors.
Hitch Capacity
Average
Greater than 57% of similar tractors.
Operating Weight
Average
Greater than 32% of similar tractors.

Technical Specifications

Engine

Manufacturer
John Deere
Model
4024T
Cooling Type
Liquid-cooled
Cylinder Orientation
Inline
Valve Configuration
-
Fuel Type
Diesel
Induction Type
Turbocharged
Cylinders
4
Displacement (ci)
148.9
Bore (in)
3.39
Stroke (in)
4.13
Rated RPM
2400
Power Output (hp)
43

Transmission

Type
Power shuttle / Hydrostatic
Forward Gears
12 (Power shuttle) / Infinite (Hydrostatic)
Reverse Gears
12 (Power shuttle) / Infinite (Hydrostatic)
Total Gears
-

Dimensions

Length (in)
128.2
Width (in)
65.4
Height (in)
96.9
Operating Weight (lb)
3700

Power Take-Off (PTO)

PTO Type
Independent
PTO Speed 1 (rpm)
2100 (Mid) / 540 (Rear)
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x4 MFWD 4WD
Drive Type
4WD
Steering Type
Hydrostatic Power
Coolant Capacity (qts)
6.4
Front Tire Diameter (in)
-
Front Tire Width (in)
-
Rear Tire Diameter (in)
-
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
Ag
Manufacture - End Year
2014
Hitch Type
Three-Point Hitch
Hitch Category
I
Hitch Position
Rear
Hitch Capacity (lb)
3131
Operator Station Type
Open with ROPS
Starter Type
Electric
Brake Type
Wet disc
Hydraulic System Type
Open Center