John Deere 8430

Last Updated: July 2024

Overview

The John Deere 8430 is a high-powered, 4-wheel drive row-crop tractor that was part of John Deere's 8030 series. It operated between 2006 to 2009 in Waterloo, Iowa, and featured a robust 9.0L diesel PowerTech engine with a variable geometry turbocharger. It delivered up to 305 HP at 2100 RPM, meeting heavy-duty farming requirements. The tractor came equipped with an advanced CommandView cab for operator comfort and was capable of handling significant load thanks to its sturdy three-point hitch and independent PTO systems. Additionally, the sophisticated hydraulic system and wet disc brakes ensured precise control and maintenance of heavy implements in the field. With a variety of features such as its turbocharged diesel 6-cylinder 24-valve liquid-cooled engine, closed center PFC hydraulic system, and a full power shift transmission with 16 forward and 4 reverse gears, the 8430 model represented a significant advance in tractor technology at the time.

Key Specifications

Category: Row Crop

Power Output: 305 hp

Transmission: Full power shift

Drive Type: 4WD

Operating Weight: 24,825

Fuel Type: Diesel

John Deere 8430 vs. Similar Tractors

Power Output

Above Average

Greater than 88% of similar tractors.

Hitch Capacity

Below Average

Greater than 24% of similar tractors.

Operating Weight

Below Average

Greater than 14% of similar tractors.

Technical Specifications

Engine

Manufacturer: John Deere
Model: PowerTech
Cooling Type: Liquid-cooled
Cylinder Orientation: Inline
Valve Configuration: 24-valve
Fuel Type: Diesel
Induction Type: Turbocharged with variable geometry
Cylinders: 6
Displacement (ci): 548 ci
Bore (in): 4.661
Stroke (in): 5.354
Rated RPM: 2100
Power Output (hp): 305 hp

Transmission

Type: Full power shift
Forward Gears: 16
Reverse Gears: 4
Total Gears: -

Dimensions

Length (in): 219.1
Width (in): 95.8
Height (in): 122.9
Operating Weight (lb): 24,825

Power Take-Off (PTO)

PTO Type: Independent
PTO Speed 1 (rpm): 1000
PTO Speed 2 (rpm): 540/1000 (optional)
PTO Speed 3 (rpm): -

Miscellaneous

Chassis: 4x4 MFWD 4WD
Drive Type: 4WD
Steering Type: Power
Coolant Capacity (qts): 42.3 qts
Front Tire Diameter (in): 34
Front Tire Width (in): 18.4
Rear Tire Diameter (in): 34
Rear Tire Width (in): 18.4
Front/Rear Rim Diameter (in): -
Tire Type: Ag
Manufacture - End Year: -
Hitch Type: Three-Point Hitch
Hitch Category: Category 3
Hitch Position: Rear
Hitch Capacity (lb): 18,300 lbs
Operator Station Type: CommandView Cab (standard)
Starter Type: Electric
Brake Type: Wet disc
Hydraulic System Type: Closed center PFC

Test Results

Nebraska Tractor Test Laboratory - Test Date: March 14 to April 5, 2006

Maximum Power and Fuel Consumption

Maximum Power: 289.26 HP (215.70 kW) at 1800 rpm
Fuel Consumption at Maximum Power: 14.92 Gal/hr (56.47 l/h) with a fuel efficiency of 0.360 lb/hp.hr (0.219 kg/kW.h)
Fuel Consumption at Rated Engine Speed (2100 rpm): 13.57 Gal/hr (51.36 l/h) with a fuel efficiency of 0.375 lb/hp.hr (0.228 kg/kW.h)

Drawbar Performance

Power at Maximum Pull (10th Gear): 223.57 HP (166.71 kW) with a drawbar pull of 13359 lbs (59.42 kN) and a speed of 6.28 mph (10.10 km/h), slip 2.12%
Fuel Consumption at Maximum Power (10th Gear): 0.419 lb/hp.hr (0.255 kg/kW.h) with a fuel efficiency of 16.70 Hp.hr/gal (3.29 kW.h/l)
Power at Reduced Engine Speed (PWM 1800 RPM in 10th Gear): 256.23 HP (191.07 kW) with a drawbar pull of 18102 lbs (80.52 kN) and a speed of 5.31 mph (8.54 km/h), slip 3.42%

Torque and Engine Performance

Maximum Torque: 930 lb.-ft. (1261 Nm) at 1500 rpm
Torque Rise: 46.8%

Hydraulic Performance

Maximum Force Exerted through whole range: 17719 lbs (78.8 kN) for III, 18326 lbs (81.5 kN) for IVN hitches
Pump Delivery Rate at minimum pressure and rated engine speed: 46.6 GPM (176.3 l/min) for III, 61.6 GPM (233.0 l/min) for IVN
Hydraulic Power: 67.9 HP (50.7 kW) at delivery pressure of 2479 psi (171 bar) for III, 87.7 HP (65.4 kW) at delivery pressure of 2443 psi (168 bar) for IVN

Overall Efficiency

Fuel Efficiency at Standard PTO Speed: 19.04 Hp.hr/gal (3.75 kW.h/l)
Fuel Consumption: 14.36 Gal/hr (54.36 l/h) at 2003 rpm

NTTL.(2006).Nebraska OECD Tractor test 1873 for John Deere 8430 16 Speed Diesel. Lincoln, NE:Nebraska Tractor Test Laboratory. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/188.