John Deere 9R 440

Last Updated: July 2024

Overview

The John Deere 9R 440 is a high-powered agricultural tractor designed for large-scale farming operations. It features a John Deere Diesel engine with six cylinders and a 24-valve configuration, delivering 390 engine horsepower. The tractor has a full power shift transmission with 18 forward and 6 reverse gears. With an operating weight of 46,800 lbs and a displacement of 826 cubic inches, it's built for heavy-duty tasks. The hydraulic system is a dual pump system with a maximum force of 21,384 lbs at the hitch points. The 9R 440 demonstrates excellent fuel efficiency, especially at standard PTO speed. Its robust design and advanced features make it suitable for demanding agricultural applications.

Key Specifications

Power Output: 390

Transmission: Full power shift

Operating Weight: 46800

Fuel Type: Diesel

Technical Specifications

Engine

Manufacturer: John Deere
Model: John Deere Diesel
Cooling Type: Liquid-cooled
Cylinder Orientation: Inline
Valve Configuration: 24-valve
Fuel Type: Diesel
Induction Type: Turbocharged aftercooled
Cylinders: 6
Displacement (ci): 826
Bore (in): 5.2
Stroke (in): 6.5
Rated RPM: 2100
Power Output (hp): 390

Transmission

Type: Full power shift
Forward Gears: 18
Reverse Gears: 6
Total Gears: -

Dimensions

Length (in): 312.8
Width (in): 173.3
Height (in): 147.3
Operating Weight (lb): 46800

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): 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: IV
Hitch Position: -
Hitch Capacity (lb): -
Operator Station Type: Cab
Starter Type: Electric
Brake Type: -
Hydraulic System Type: Dual pump system

Test Results

Nebraska Tractor Test Laboratory - Test Date: September 28 to October 5, 2022

Maximum Power and Fuel Consumption

Maximum Power (1 hour): 369.13 HP (275.26 kW) at 1800 rpm
Fuel Consumption at Maximum Power: 19.76 Gal/hr (74.80 l/h) with a fuel efficiency of 0.377 lb/hp.hr (0.229 kg/kW.h)
DEF Consumption: 0.78 Gal/hr (2.95 l/h)

Drawbar Performance

Power at Rated Engine Speed (7th Gear, Manual mode): 340.59 HP (253.98 kW) with a drawbar pull of 24671 lbs (109.74 kN) and a speed of 5.18 mph (8.34 km/h)
Fuel Consumption at Rated Speed: 0.432 lb/hp.hr (0.263 kg/kW.h) with a fuel efficiency of 16.28 Hp.hr/gal (3.21 kW.h/l)

Torque and Engine Performance

Maximum Torque: 1167 lb.-ft. (1582 Nm) at 1499 rpm
Torque Rise: 45.1% with a power increase at 1800 rpm of 14.9%

Hydraulic Performance

Maximum Force Exerted (Category 4): 21384 lbs (95.1 kN) at hitch points (2 x 110 mm cylinders)
Pump Delivery Rate: 58.6 GPM (222.0 l/min) with a delivery pressure of 2478 psi (171 bar) and power of 84.8 HP (63.2 kW)

Overall Efficiency

Fuel Efficiency at Standard PTO Speed (1000 rpm): 18.40 Hp.hr/gal (3.62 kW.h/l)
Fuel Consumption: 19.67 Gal/hr (74.47 l/h) at 1895 rpm

NTTL.(2023).Nebraska OECD Tractor test 2259 for John Deere 9R 440 Diesel. Lincoln, NE:Nebraska Tractor Test Laboratory. Retrieved from http://tractortestlab.unl.edu