John Deere 6400

Last Updated: July 2024

Overview

The John Deere 6400 is a utility tractor powered by a 4.5L, 4-cylinder turbocharged diesel engine producing 90.1 hp. It has a fully synchronized or partial power shift transmission with 16 forward and reverse gears. Key performance metrics from independent testing include a maximum torque of 276 lb-ft, drawbar performance of 76.6 hp in 8th gear, and a hydraulic system pump delivery rate of 18.7 GPM at minimum pressure. The tractor weighs 10,120 lbs and has a 3-point hitch capacity of 6,950 lbs advertised (5,915 lbs tested). Detailed transmission, fuel consumption, and other performance data is available from test results.

Key Specifications

Category: Utility

Power Output: 90.1

Transmission: Fully synchronized / Partial power shift

Drive Type: 2WD / 4WD

Operating Weight: 10120

Fuel Type: Diesel

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John Deere 6400 Tractor

John Deere 6400 vs. Similar Tractors

Power Output

Above Average

Greater than 74% of similar tractors.

Hitch Capacity

Above Average

Greater than 79% of similar tractors.

Operating Weight

Excellent

Greater than 92% of similar tractors.

Technical Specifications

Engine

Manufacturer: John Deere
Model: CD4045
Cooling Type: Liquid-cooled
Cylinder Orientation: Inline
Valve Configuration: -
Fuel Type: Diesel
Induction Type: Turbocharged
Cylinders: 4
Displacement (ci): 276
Bore (in): 4.19
Stroke (in): 5
Rated RPM: 2300
Power Output (hp): 90.1

Transmission

Type: Fully synchronized / Partial power shift
Forward Gears: 16
Reverse Gears: 16
Total Gears: -

Dimensions

Length (in): 165.7
Width (in): -
Height (in): 105.9 (cab height)
Operating Weight (lb): 10120

Power Take-Off (PTO)

PTO Type: Independent
PTO Speed 1 (rpm): 540 at 2143 engine rpm / 1000 at 2208 rpm
PTO Speed 2 (rpm): -
PTO Speed 3 (rpm): -

Miscellaneous

Chassis: 4x2 2WD / 4x4 MFWD 4WD
Drive Type: 2WD / 4WD
Steering Type: Hydrostatic power
Coolant Capacity (qts): 14.5 / 18.5
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: 1998
Hitch Type: -
Hitch Category: II
Hitch Position: -
Hitch Capacity (lb): 6950
Operator Station Type: Two-post foldable ROPS / ComfortGard Cab (optional)
Starter Type: Electric
Brake Type: Multiple wet disc operated by foot pedals
Hydraulic System Type: Closed-center pressure flow compensated (PFC)

Test Results

Nebraska Tractor Test Laboratory - Test Date: December 1993 to April 1994

Maximum Power and Fuel Consumption

Maximum Power: 90.1 HP (67.2 kW) at 2300 rpm
Fuel Consumption at Maximum Power: 4.72 Gal/hr (17.88 l/h) with a fuel efficiency of 0.360 lb/hp.hr (0.219 kg/kW.h) at 1900 rpm
Standard Power Take-Off Speed: 88.5 HP (66.0 kW) at 2208 rpm with a fuel consumption of 4.83 Gal/hr (18.29 l/h) and fuel efficiency of 0.375 lb/hp.hr (0.228 kg/kW.h)

Drawbar Performance

Maximum Power in 7th Gear: 76.6 HP (57.1 kW) with a drawbar pull of 5100 lbs (22.68 kN) and a speed of 5.50 mph (8.85 km/h)
Fuel Consumption: 0.431 lb/hp.hr (0.262 kg/kW.h) with a fuel efficiency of 15.94 Hp.hr/gal (3.14 kW.h/l) at 1905 rpm in 8th gear

Torque and Engine Performance

Maximum Torque: 252.97 lb.-ft. (343 Nm) at 1700 rpm
Torque Rise: 40.8% with a torque rise at 1,800 engine rpm being 31%

Three-Point Hitch Performance

Maximum Force Exerted Through Whole Range: 6520 lbs (29.0 kN) with hydraulic pressure at 2960 psi (20.1 MPa)
Pump Delivery Rate: 18.7 GPM (70.6 l/min) at minimum pressure and rated engine speed

Overall Efficiency

Fuel Efficiency at Standard PTO Speed (1000 rpm): 18.32 Hp.hr/gal (3.61 kW.h/l)
Fuel Consumption: 4.83 Gal/hr (18.29 l/h) at 2208 rpm
Drawbar Efficiency: 15.94 Hp.hr/gal (3.14 kW.h/l) at 1905 rpm

Nebraska Tractor Test Lab.(1994).Nebraska Summary: S158 John Deere 6400 Synchro.Plus Diesel. Lincoln, NE: University of Nebraska - Lincoln. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/2738