John Deere 9120

Last Updated: June 2024

Overview

The John Deere 9120 tractor, with a robust 280 horsepower engine, is designed to tackle a wide range of agricultural tasks. Equipped with a 24-speed powr-sync transmission, this tractor provides ample flexibility and power for various field operations. The 6 cylinder engine, with a displacement of 496 cubic inches and a maximum rated RPM of 2100, demonstrates the tractor's capability for efficient tillage, planting, and harvesting activities. Its turbocharged and air-to-air aftercooled induction system ensures optimal performance, even under strenuous working conditions. Furthermore, the John Deere 9120 is built to manage significant loads with a hitch lift capacity of 13,871 pounds and operates at an operating weight of 30,968.4 pounds, highlighting its substantial build quality and reliability.

Key Specifications

Power Output: 280

Transmission: 24-speed powr-sync

Operating Weight: 30968.4

Lift Capacity: 13871

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John Deere 9120 Tractor

Technical Specifications

Engine

Manufacturer: -
Model: -
Cooling Type: -
Cylinder Orientation: -
Valve Configuration: -
Fuel Type: -
Induction Type: Turbocharged and air-to-air aftercooled
Cylinders: 6
Displacement (ci): 496
Bore (in): -
Stroke (in): -
Rated RPM: 2100
Power Output (hp): 280

Transmission

Type: 24-speed powr-sync
Forward Gears: -
Reverse Gears: -
Total Gears: 24

Dimensions

Length (in): -
Width (in): -
Height (in): -
Operating Weight (lb): 30968.4

Power Take-Off (PTO)

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

Miscellaneous

Chassis: -
Drive Type: -
Steering Type: -
Coolant Capacity (qts): -
Front Tire Diameter (in): -
Front Tire Width (in): -
Rear Tire Diameter (in): 42
Rear Tire Width (in): 20.8
Front/Rear Rim Diameter (in): -
Tire Type: -
Manufacture - End Year: -
Hitch Type: -
Hitch Category: -
Hitch Position: -
Hitch Capacity (lb): 13871
Operator Station Type: -
Starter Type: -
Brake Type: -
Hydraulic System Type: -

Test Results

Nebraska Tractor Test Laboratory - Test Date: September 23 - 27, 2002

Maximum Power and Fuel Consumption

Maximum Power at Rated Engine Speed: 244.57 HP (182.37 kW) at 2100 rpm
Fuel Consumption at Maximum Power: 14.55 Gal/hr (55.09 l/h) with a fuel efficiency of 0.418 lb/hp.hr (0.254 kg/kW.h)
Maximum PTO Power: 262.97 HP (196.10 kW) at 1900 rpm with fuel consumption of 14.42 Gal/hr (54.58 l/h) and fuel efficiency of 0.385 lb/hp.hr (0.234 kg/kW.h)

Drawbar Performance

Power at 7th Gear (Rated Speed): 226.02 HP (168.54 kW) with a drawbar pull of 16927 lbs (75.30 kN) and a speed of 5.01 mph (8.06 km/h)
Fuel Consumption at 7th Gear (Rated Speed): 0.450 lb/hp.hr (0.274 kg/kW.h) with a fuel efficiency of 15.59 Hp.hr/gal (3.07 kW.h/l)

Torque and Engine Performance

Maximum Torque: 874 lb.-ft. (1185 Nm) at 1400 rpm
Torque Rise: 42.7%

Hydraulic Performance

Maximum Force Exerted: 13104 lbs (58.3 kN)
Pump Delivery Rate at Minimum Pressure: 34.0 GPM (128.7 l/min)
Hydraulic Power: 55.6 HP (41.5 kW) at delivery pressure of 2150 psi (148 bar)

Overall Efficiency

Fuel Efficiency at Standard PTO Speed (1000 rpm): 18.24 Hp.hr/gal (3.59 kW.h/l)
Fuel Consumption: 14.42 Gal/hr (54.58 l/h) at 1900 rpm

Nebraska Tractor Test Lab. (2002). Test 1810: John Deere 9120 18 Speed. Lincoln, NE: University of Nebraska-Lincoln. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/183