UtilityPerformance profile

John Deere 4120

The John Deere 4120 is a utility tractor made from 2004 to 2014. It's a strong helper on the farm, with a 4-wheel drive system that can handle tough jobs. The tractor has a 43 horsepower engine, which is about average for its size. It uses diesel fuel and has a turbocharger to give it extra power when needed. This tractor is built to be versatile. It has a three-point hitch in the back that can lift up to 3,131 pounds, which is very good for its class. The power take-off (PTO) runs at 540 rpm, letting you use many different tools. The John Deere 4120 has 12 forward and 12 reverse gears, giving you lots of choices for different tasks. It also has features like differential lock and mechanical front-wheel drive to help in tricky conditions. The open operator station with a roll-over protection system (ROPS) keeps the driver safe while working.

ManufacturerJohn DeerePower43 hpEngine4-cylTransPower shuttle
John Deere 4120

Quick specs

Category
Utility
Engine Power Output
43hp
Operating Weight
3,700 lb
Transmission
Power shuttle
Compare this model

At a glance

How the 4120 compares

vs. Utility median

Distribution

Engine Power (hp)

Across all Utility tractors

43 hp · 37th

This model

9
Median 55 hp
177
This modelUtility tractorsMediann = 5,383

The 4120 ranks at the 37th percentile for engine power among recorded utility tractors.

Overview

About the John Deere 4120

The John Deere 4120 is a utility tractor made from 2004 to 2014. It's a strong helper on the farm, with a 4-wheel drive system that can handle tough jobs. The tractor has a 43 horsepower engine, which is about average for its size. It uses diesel fuel and has a turbocharger to give it extra power when needed. This tractor is built to be versatile. It has a three-point hitch in the back that can lift up to 3,131 pounds, which is very good for its class. The power take-off (PTO) runs at 540 rpm, letting you use many different tools. The John Deere 4120 has 12 forward and 12 reverse gears, giving you lots of choices for different tasks. It also has features like differential lock and mechanical front-wheel drive to help in tricky conditions. The open operator station with a roll-over protection system (ROPS) keeps the driver safe while working.

Full specifications

Every recorded spec

General

ManufacturerJohn Deere
Model4120
CategoryUtility tractor
Type4x4 MFWD 4WD
Years built2004–2014
Operating weight3,700lb

Engine

MakeJohn Deere
Model4024T
Power43hp
Cylinders4
Displacement148.9ci
Bore3.39in
Stroke4.13in

Transmission

TypePower shuttle
Forward gears12
Reverse gears12

Chassis & drive

Chassis4x4 MFWD 4WD
Drive4WD
SteeringHydrostatic Power
BrakesWet disc
CabOpen with ROPS

Hydraulics

TypeOpen Center

Power take-off

Rear PTOIndependent
PTO speed540rpm

Dimensions

Length128.2in
Width65.4in
Height96.9in
Operating weight3,700lb

Capacities

Cooling system1.6gal

Head to head

4120 vs. Utility median

How the John Deere 4120 compares to other Utility tractors

SpecThis modelUtility medianDifferencePercentile
Engine Power43 hp55 hp-22%37th
Engine Displacement149 ci183 ci-19%39th
Cylinders44at median50th
Forward Gears1212at median50th
Operating Weight3,700 lb5,303 lb-30%32nd
Length128 in137 in-6%39th
Width65.4 in66 in-1%49th
Height96.9 in94.1 in+3%57th
3-Point Hitch Capacity3,131 lb3,197 lb-2%50th

Medians and percentiles are computed from the utility tractors in our database with a recorded value for each spec (sample sizes 1,0835,720 models).

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FAQ

Common questions

What years was the John Deere 4120 manufactured?

Production of the John Deere 4120 ran from 2004 through 2014.

What type of hydraulic system does the John Deere 4120 use?

Hydraulics on the John Deere 4120 are Open Center.

What hitch category is the John Deere 4120?

The John Deere 4120 uses a Category I hitch with a lift capacity of 3,131 lb.

How powerful is the John Deere 4120?

The John Deere 4120 has an engine power output of 43 hp. It is powered by a 4-cylinder engine displacing 148.9 ci.

What is the working weight of the John Deere 4120?

The operating weight of the John Deere 4120 is approximately 3,700 lb.

What type of transmission does the John Deere 4120 have?

The John Deere 4120 uses a Power shuttle transmission offering 12 forward gears.

What routine service does the John Deere 4120 need?

Regular maintenance for the John Deere 4120 includes checking and changing engine oil, hydraulic fluid, and filters, plus routine inspections as recommended in the owner's manual. Always follow the manufacturer's maintenance schedule for specific intervals and procedures.