John Deere 6120E

Last Updated: July 2024

Overview

The John Deere 6120E is a versatile utility tractor with a 4.5 L four-cylinder diesel engine that is turbocharged and intercooled. It has a selective gear fixed ratio transmission with up to 24 forward and 12 reverse gears. Key performance metrics from independent testing include a maximum power of 108.48 HP at 1950 rpm, maximum torque of 328 lb.-ft. at 1549 rpm with a 35.8% torque rise, and detailed PTO, drawbar, and hydraulic performance values. The tractor has power steering, hydraulic wet disc brakes, and options for a foldable ROPS or an enclosed cab. It has a significant lift capacity of 7304 lbs at the hitch points, making it suitable for various agricultural work.

Key Specifications

Category: Utility

Power Output: 120

Transmission: Selective gear fixed ratio

Drive Type: 2WD / 4WD

Operating Weight: 14250 (ballasted)

Fuel Type: Diesel

John Deere 6120E vs. Similar Tractors

Power Output

Above Average

Greater than 87% of similar tractors.

Hitch Capacity

Excellent

Greater than 99% of similar tractors.

Operating Weight

Average

Greater than 67% of similar tractors.

Technical Specifications

Engine

Manufacturer: John Deere
Model: PowerTech PWL
Cooling Type: Liquid-cooled
Cylinder Orientation: Inline
Valve Configuration: 16-valve
Fuel Type: Diesel
Induction Type: Wastegate turbocharger with air-to-air aftercooling
Cylinders: 4
Displacement (ci): 276
Bore (in): 4.19
Stroke (in): 5
Rated RPM: 2200
Power Output (hp): 120

Transmission

Type: Selective gear fixed ratio
Forward Gears: 24
Reverse Gears: 12
Total Gears: 36

Dimensions

Length (in): -
Width (in): -
Height (in): -
Operating Weight (lb): 14250 (ballasted)

Power Take-Off (PTO)

PTO Type: Independent
PTO Speed 1 (rpm): 540
PTO Speed 2 (rpm): 1000
PTO Speed 3 (rpm): -

Miscellaneous

Chassis: 4x2 2WD / 4x4 MFWD 4WD
Drive Type: 2WD / 4WD
Steering Type: Power
Coolant Capacity (qts): -
Front Tire Diameter (in): -
Front Tire Width (in): -
Rear Tire Diameter (in): -
Rear Tire Width (in): -
Front/Rear Rim Diameter (in): -
Tire Type: -
Manufacture - End Year: -
Hitch Type: III
Hitch Category: Category II
Hitch Position: Rear
Hitch Capacity (lb): 7300 (at 610 mm/24 in)
Operator Station Type: Two-post foldable ROPS or Cab (optional)
Starter Type: Electric
Brake Type: Hydraulic wet disc
Hydraulic System Type: Open center

Test Results

Nebraska Tractor Test Laboratory - Test Date: March 30 to April 12, 2016

Maximum Power and Fuel Consumption

Maximum Power: 108.48 HP (80.90 kW) at 1950 rpm
Fuel Consumption at Maximum Power: 6.26 Gal/hr (23.70 l/h) with a fuel efficiency of 0.404 lb/hp.hr (0.246 kg/kW.h)
DEF Consumption: 0.20 Gal/hr (0.77 l/h)

Drawbar Performance

Power at Rated Engine Speed (6th Gear): 89.58 HP (66.80 kW) with a drawbar pull of 5474 lbs (24.35 kN) and a speed of 6.14 mph (9.88 km/h)
Fuel Consumption at Rated Speed: 0.494 lb/hp.hr (0.301 kg/kW.h) with a fuel efficiency of 14.18 Hp.hr/gal (2.79 kW.h/l)

Torque and Engine Performance

Maximum Torque: 328 lb.-ft. (445 Nm) at 1549 rpm
Torque Rise: 35.8% with a power increase at 1950 rpm of 7.2%

Hydraulic Performance

Maximum Force Exerted: 7304 lbs (32.5 kN) at hitch points
Pump Delivery Rate: 21.2 GPM (80.1 l/min) at minimum pressure and rated engine speed
Hydraulic Power: 28.5 HP (21.3 kW) at delivery pressure of 2809 psi (194 bar)

Overall Efficiency

Fuel Efficiency at Standard PTO Speed (1000 rpm): 16.81 Hp.hr/gal (3.31 kW.h/l)
Fuel Consumption: 6.41 Gal/hr (24.27 l/h) at 2065 rpm

Nebraska Tractor Test Lab.(2016).Test 2144: John Deere 6120E. Nebraska Tractor Tests, 2572. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/2572