John Deere 6120R

Last Updated: July 2024

Overview

The John Deere 6120R is a utility tractor featuring a turbocharged diesel engine with two turbochargers, an air-to-air intercooler, and a diesel exhaust fluid (DEF) exhaust treatment system. The liquid-cooled engine with a 16-valve configuration delivers a maximum power output of 113.2 hp at 1900 rpm and a peak torque of 364 lb-ft at 1500 rpm. The transmission options include a 24-speed partial power shift and an infinitely variable transmission (AutoPowr IVT). The tractor has a 4x2 2WD chassis, power steering, and an unladen weight of 12,390 lbs. It is equipped with hydraulic wet disc brakes and a wet multiple disc hydraulically actuated clutch. The hydraulic system can exert a maximum force of 7,571 lbs at the hitch points, with a pump delivery rate of 32.2 GPM and hydraulic power of 45.1 HP. At rated engine speed, the drawbar performance is 91.7 HP with a pull of 9,037 lbs and a speed of 5.27 mph. The fuel efficiency at standard PTO speed is 17.28 Hp.hr/gal, with a fuel consumption of 6.59 Gal/hr at 1900 rpm and a DEF consumption of 0.16 Gal/hr at maximum power.

Key Specifications

Category: Utility

Power Output: 113.2 (Maximum Power at 1900 rpm)

Transmission: Partial power shift / Infinitely Variable Transmission (IVT)

Drive Type: 2WD

Operating Weight: 12390 (Unladen tractor mass)

Fuel Type: No. 2 Diesel

John Deere 6120R vs. Similar Tractors

Power Output

Excellent

Greater than 100% of similar tractors.

Operating Weight

Above Average

Greater than 70% of similar tractors.

Technical Specifications

Engine

Manufacturer: John Deere
Model: -
Cooling Type: Liquid with thermostat and variable speed fan
Cylinder Orientation: Inline
Valve Configuration: 16-valve
Fuel Type: No. 2 Diesel
Induction Type: Turbocharged with two turbochargers, air-to-air intercooler, and diesel exhaust fluid (DEF) exhaust treatment
Cylinders: 4
Displacement (ci): 276
Bore (in): 4.19
Stroke (in): 5
Rated RPM: 2100
Power Output (hp): 113.2 (Maximum Power at 1900 rpm)

Transmission

Type: Partial power shift / Infinitely Variable Transmission (IVT)
Forward Gears: 24
Reverse Gears: 24
Total Gears: Infinite (assuming the AutoPowr IVT transmission is specified)

Dimensions

Length (in): -
Width (in): -
Height (in): -
Operating Weight (lb): 12390 (Unladen tractor mass)

Power Take-Off (PTO)

PTO Type: -
PTO Speed 1 (rpm): -
PTO Speed 2 (rpm): -
PTO Speed 3 (rpm): -

Miscellaneous

Chassis: 4x2 2WD
Drive Type: 2WD
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: Category 3, Rear Type II
Hitch Category: Category 3
Hitch Position: Rear
Hitch Capacity (lb): -
Operator Station Type: -
Starter Type: Electric
Brake Type: -
Hydraulic System Type: Closed center

Test Results

Nebraska Tractor Test Laboratory - Test Date: October to November, 2017

Maximum Power and Fuel Consumption

Maximum Power: 113.2 HP (84.4 kW) at 1900 rpm
Fuel Consumption at Maximum Power: 6.55 Gal/hr (24.79 l/h) with a fuel efficiency of 0.405 lb/hp.hr (0.246 kg/kW.h)
DEF Consumption: 0.16 Gal/hr (0.60 l/h)

Drawbar Performance

Power at Rated Engine Speed (8th Gear): 91.7 HP (68.4 kW) with a drawbar pull of 9037 lbs (40.1 kN) and a speed of 5.27 mph (8.5 km/h)
Fuel Consumption at Rated Speed: 0.490 lb/hp.hr (0.298 kg/kW.h) with a fuel efficiency of 14.29 Hp.hr/gal (2.82 kW.h/l)

Torque and Engine Performance

Maximum Torque: 364 lb.-ft. (494 Nm) at 1500 rpm
Torque Rise: 46.6% with a power increase at 1900 rpm of 13.8%

Hydraulic Performance

Maximum Force Exerted: 7571 lbs (33.7 kN) at hitch points
Pump Delivery Rate: 32.2 GPM (122.0 l/min) at minimum pressure and rated engine speed
Hydraulic Power: 45.1 HP (33.6 kW) at delivery pressure of 2715 psi (187 bar)

Overall Efficiency

Fuel Efficiency at Standard PTO Speed (1000 rpm): 17.28 Hp.hr/gal (3.41 kW.h/l)
Fuel Consumption: 6.59 Gal/hr (24.97 l/h) at 1900 rpm

NTTL.(2018). OECD tractor test 3085 for John Deere 6120R PowerQuad Plus Diesel. Lincoln, NE: Nebraska Tractor Test Laboratory. Retrieved from http://tractortestlab.unl.edu