John Deere 9RX 590

Last Updated: July 2024

Overview

The John Deere 9RX 590 is a robust tractor, engineered to meet demanding agricultural duties. It is powered by a John Deere JD14 turbocharged aftercooled diesel engine, with 6 cylinders and an impressive displacement of 826.9 cubic inches. The unit operates at a rated power of 582 horsepower and a peak power of 639.7 horsepower, ensuring that even the most challenging tasks are handled with ease. An electronic high-pressure common rail fuel system, a dry air cleaner, and a high compression ratio of 15.9:1 make this model both efficient and powerful. The e18 full power shift transmission gives operators 18 forward and 6 reverse gears, allowing for excellent maneuverability and control. The tractor's operating weight stands at 56,320 pounds, testament to its substantial build quality and capacity for heavy-duty work. It features a comfortable cab operator station, supporting long and demanding workdays. The information available on the tire type, hitch type, and PTO specifications are unknown, but this reliable workhorse is equipped to handle various agricultural applications. The 9RX 590 embodies John Deere's reputation for durable, high-performance agricultural machinery.

Key Specifications

Power Output: 582

Transmission: Full Power Shift

Drive Type: Track

Operating Weight: 56320

Fuel Type: Diesel

Technical Specifications

Engine

Manufacturer: John Deere
Model: JD14
Cooling Type: Liquid-cooled
Cylinder Orientation: Inline
Valve Configuration: 24-valve
Fuel Type: Diesel
Induction Type: Turbocharged aftercooled
Cylinders: 6
Displacement (ci): 826.9
Bore (in): 5.2
Stroke (in): 6.5
Rated RPM: 2100
Power Output (hp): 582

Transmission

Type: Full Power Shift
Forward Gears: 18
Reverse Gears: 6
Total Gears: -

Dimensions

Length (in): 346.3
Width (in): 36
Height (in): 146.3
Operating Weight (lb): 56320

Power Take-Off (PTO)

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

Miscellaneous

Chassis: -
Drive Type: Track
Steering Type: -
Coolant Capacity (qts): 59.7
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: -
Hitch Category: -
Hitch Position: -
Hitch Capacity (lb): -
Operator Station Type: Cab
Starter Type: Electric
Brake Type: -
Hydraulic System Type: Closed Center Pressure/Flow Compensated

Test Results

Nebraska Tractor Test Laboratory - Test Date: May 23 to June 8, 2022

Maximum Power and Fuel Consumption

Maximum Power at Rated Engine Speed: 320.69 HP (239.14 kW) at 2099 rpm
Fuel Consumption at Rated Engine Speed: 18.65 Gal/hr (70.60 l/h) with a fuel efficiency of 0.410 lb/hp.hr (0.249 kg/kW.h)
DEF Consumption at Rated Engine Speed: 0.83 Gal/hr (3.13 l/h)

Drawbar Performance

Power at Rated Engine Speed (7th Gear, Manual mode): 453.54 HP (338.20 kW) with a drawbar pull of 34,076 lbs (151.58 kN) and a speed of 4.99 mph (8.03 km/h)
Fuel Consumption at Rated Speed: 0.437 lb/hp.hr (0.266 kg/kW.h) with a fuel efficiency of 16.12 Hp.hr/gal (3.17 kW.h/l)

Torque and Engine Performance

Maximum Torque: 1184 lb-ft (1605 Nm) at 1550 rpm
Torque Rise: 47.5% with a power increase at 1749 engine rpm of 15.0%

Hydraulic Performance

Maximum Force Exerted: 20,527 lbs (91.3 kN) at hitch points (Category 4)
Pump Delivery Rate: 58.7 GPM (222.1 l/min) at maximum hydraulic power
Hydraulic Power: 84.5 HP (63.0 kW) at delivery pressure of 2468 psi (170 bar)

Overall Efficiency

Fuel Efficiency at Standard PTO Speed (1000 rpm): 18.17 Hp.hr/gal (3.58 kW.h/l)
Fuel Consumption: 20.19 Gal/hr (76.43 l/h) at 1895 rpm

NTTL.(2022). Nebraska OECD Tractor test 2253 for John Deere 9RX 590 Diesel. Lincoln, NE:Nebraska Tractor Test Laboratory. Retrieved from http://tractortestlab.unl.edu