John Deere 9400

Last Updated: July 2024

Overview

The John Deere 9400 is a powerful 4WD articulated tractor with a 425 HP turbocharged aftercooled diesel engine. It offers multiple transmission options and impressive torque, hydraulic, and drawbar performance capabilities based on independent test results. Key specifications include a maximum torque of 1400 lb-ft at 1500 rpm, 35% torque rise, hydraulic force up to 12,000 lbs, 40.1 GPM hydraulic pump flow rate, and 56.9 HP hydraulic power output. Fuel efficiency ratings are provided for various operating conditions.

Key Specifications

Category: Utility, Four-Wheel Drive

Power Output: 425

Transmission: Multiple options: Partially synchronized, Partial power shift, Full power shift

Drive Type: 4WD

Operating Weight: 37410

Fuel Type: Diesel

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John Deere 9400 Tractor

John Deere 9400 vs. Similar Tractors

Power Output

Excellent

Greater than 97% of similar tractors.

Hitch Capacity

Above Average

Greater than 88% of similar tractors.

Operating Weight

Above Average

Greater than 74% of similar tractors.

Technical Specifications

Engine

Manufacturer: John Deere
Model: John Deere
Cooling Type: Liquid-cooled
Cylinder Orientation: Inline
Valve Configuration: -
Fuel Type: Diesel
Induction Type: Turbocharged aftercooled
Cylinders: 6
Displacement (ci): 765
Bore (in): 5
Stroke (in): 6.5
Rated RPM: 2100
Power Output (hp): 425

Transmission

Type: Multiple options: Partially synchronized, Partial power shift, Full power shift
Forward Gears: 12 (partially synchronized), 24 (partial power shift), 12 (full power shift)
Reverse Gears: 3 (partially synchronized), 6 (partial power shift), 2 (full power shift)
Total Gears: Unknown (as specific distribution is known)

Dimensions

Length (in): 273.6
Width (in): 171.7
Height (in): 137.4
Operating Weight (lb): 37410

Power Take-Off (PTO)

PTO Type: Independent
PTO Speed 1 (rpm): 1000
PTO Speed 2 (rpm): -
PTO Speed 3 (rpm): -

Miscellaneous

Chassis: 4x4 articulated 4WD
Drive Type: 4WD
Steering Type: Hydrostatic power
Coolant Capacity (qts): 64
Front Tire Diameter (in): 28.0
Front Tire Width (in): 28.0
Rear Tire Diameter (in): 28.0
Rear Tire Width (in): 28.0
Front/Rear Rim Diameter (in): 38
Tire Type: Agricultural
Manufacture - End Year: -
Hitch Type: Category III/IV
Hitch Category: III or IV/IVN
Hitch Position: Rear
Hitch Capacity (lb): 13870 (minimum), 14445 (maximum)
Operator Station Type: Cab
Starter Type: Electric
Brake Type: Hydraulic wet disc
Hydraulic System Type: Closed Center PFC

Test Results

Nebraska Tractor Test Laboratory - Test Date: 1997

Maximum Power and Fuel Consumption

Maximum Power: 425 HP (316.9 kW) at 2100 rpm
Fuel Consumption at Maximum Power: 23.20 Gal/hr (87.85 l/h) with a fuel efficiency of 0.486 lb/hp.hr (0.296 kg/kW.h)

Drawbar Performance

Power at Rated Engine Speed (8th Gear): 360 HP (268.5 kW) with a drawbar pull of 36522 lbs (162.5 kN) and a speed of 5.2 mph (8.37 km/h)
Fuel Consumption at Rated Speed: 0.524 lb/hp.hr (0.319 kg/kW.h) with a fuel efficiency of 13.44 Hp.hr/gal (2.65 kW.h/l)

Torque and Engine Performance

Maximum Torque: 1400 lb.-ft. (1898 Nm) at 1500 rpm
Torque Rise: 35% with a power increase at 2100 rpm of 13%

Hydraulic Performance

Maximum Force Exerted: 12000 lbs (53.4 kN) at hitch points
Pump Delivery Rate: 40.1 GPM (151.7 l/min) at minimum pressure and rated engine speed
Hydraulic Power: 56.9 HP (42.4 kW) at delivery pressure of 2900 psi (200 bar)

Overall Efficiency

Fuel Efficiency at Standard PTO Speed (1000 rpm): 14.5 Hp.hr/gal (2.85 kW.h/l)
Fuel Consumption: 22.75 Gal/hr (86.11 l/h) at 2075 rpm

Nebraska Tractor Test Lab, "Test 1733: John Deere 9400 Powersync Diesel 12 and 24-Speed also John Deere 9420" (1997). Nebraska Tractor Tests. 2041. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/2041