John Deere 9R 490

Last Updated: July 2024

Overview

The John Deere 9R 490 is a high-powered Row Crop tractor designed for demanding agricultural tasks. It features a John Deere 6-cylinder diesel engine with a turbocharger, air-to-air aftercooler, and DEF exhaust treatment. The engine produces a rated power of 482.8 hp and a maximum power of 531 hp, with a peak torque of 1171 lb-ft at 1499 rpm and a 45.4% torque rise. The selective gear fixed ratio transmission with full power shift provides 18 forward and 6 reverse gears. This 4WD tractor has a static weight of 46,800 lbs and is equipped with four 650/85R38 tires on both front and rear. The hydraulic system features dual pumps delivering 116.4 GPM combined flow and a maximum force of 21,408 lbs at the hitch points. The tractor has hydrostatic articulated steering and wet multiple disc brakes. The PTO operates at 1000 rpm when the engine is at 1895 rpm.

Key Specifications

Category: Row Crop

Power Output: 482.8 (Rated Power EC 97/98) | 531 (Maximum Power EC 97/68)

Transmission: Selective gear fixed ratio with full range operator controlled power shift

Drive Type: Four wheel drive with duals

Operating Weight: 46800

Fuel Type: Diesel

Image Gallery

John Deere 9R 490 Tractor

John Deere 9R 490 vs. Similar Tractors

Power Output

Excellent

Greater than 93% of similar tractors.

Operating Weight

Above Average

Greater than 82% of similar tractors.

Technical Specifications

Engine

Manufacturer: John Deere
Model: Serial No. *RG6136U000924*, Make John Deere Diesel, Type six cylinder vertical with one turbocharger, air to air aftercooler and D.E.F.(diesel exhaust fluid) exhaust treatment
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): 482.8 (Rated Power EC 97/98) | 531 (Maximum Power EC 97/68)

Transmission

Type: Selective gear fixed ratio with full range operator controlled power shift
Forward Gears: 18
Reverse Gears: 6
Total Gears: -

Dimensions

Length (in): 312.8
Width (in): -
Height (in): 147.3 (cab) | 147.1 (exhaust)
Operating Weight (lb): 46800

Power Take-Off (PTO)

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

Miscellaneous

Chassis: 4WD
Drive Type: Four wheel drive with duals
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: Agricultural
Manufacture - End Year: -
Hitch Type: IVN/IV
Hitch Category: -
Hitch Position: Rear
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: October 6 to 12, 2022

Maximum Power and Fuel Consumption

Maximum Power: 368.35 HP (274.68 kW) at 1800 rpm
Fuel Consumption at Maximum Power: 19.75 Gal/hr (74.75 l/h) with a fuel efficiency of 0.377 lb/hp.hr (0.229 kg/kW.h)
DEF Consumption: 0.74 Gal/hr (2.81 l/h)

Drawbar Performance

Power at Rated Engine Speed (7th Gear, Manual mode): 382.11 HP (284.94 kW) with a drawbar pull of 27824 lbs (123.77 kN) and a speed of 5.15 mph (8.29 km/h)
Fuel Consumption at Rated Speed: 0.426 lb/hp.hr (0.259 kg/kW.h) with a fuel efficiency of 16.50 Hp.hr/gal (3.25 kW.h/l)

Torque and Engine Performance

Maximum Torque: 1171 lb-ft (1587 Nm) at 1499 rpm
Torque Rise: 45.4%, with a power increase at 1800 rpm of 14.4%

Hydraulic Performance

Maximum Force Exerted: 21408 lbs (95.2 kN) at hitch points (Category 4N)
Pump Delivery Rate: 116.4 GPM (440.6 l/min) with dual pumps at minimum pressure and rated engine speed
Hydraulic Power: 84.5 HP (63.0 kW) and 83.3 HP (62.1 kW) at delivery pressures of 2494 psi (172 bar) and 2478 psi (171 bar) respectively

Overall Efficiency

Fuel Efficiency at Standard PTO Speed (1000 rpm): 18.44 Hp.hr/gal (3.63 kW.h/l)
Fuel Consumption: 19.68 Gal/hr (74.51 l/h) at 1895 rpm

NTTL.(2023).Nebraska OECD Tractor test 2260 for John Deere 9R 490 Diesel. Lincoln, NE:Nebraska Tractor Test Laboratory. Retrieved from http://tractortestlab.unl.edu