| Manufacturer | John Deere |
| Price | - |
| Model | 8430 |
| Equipment Type | Row-Crop Tractors |
| Factory | Waterloo, Iowa, USA |
OCED TRACTOR TEST 1873 2
| Description | Diesel PowerShift 4WD March 14 - April 5, 2006 Link: OCED Tractor Test 1873 file PTO performance Drawbar performance Gear 10 used for power test Gear 5 used for pull test |
| Max power | 223.57hp / 166.7kW |
| Fuel use | 13.4gal/hour / 50.7l/hour |
| Power at rated engine speed | 253.05hp / 188.7kW |
| Power at rated PTO speed | 273.44hp / 203.9kW |
| Max pull | 24028lbs / 10899kg |
OCED TRACTOR TEST 1874 2
| Description | Diesel IVT 4WD March 16 - April 5, 2006 Link: OCED Tractor Test 1874 file PTO performance Drawbar performance Pull at 7.5 kph/Pull at 3.6 kph |
| Max power | 211.26hp / 157.5kW |
| Fuel use | 13.6gal/hour / 51.5l/hour |
| Power at rated engine speed | 253.01hp / 188.7kW |
| Power at rated PTO speed | 272.59hp / 203.3kW |
| Max pull | 34,671lbs / 15726kg |
JOHN DEERE 8430 POWER
| Engine (gross) | 305hp / 227.4kW |
| Engine (max) | 330hp / 246.1kW |
| PTO (claimed) | 250hp / 186.4kW |
| Drawbar (tested) | 223.57hp / 166.7kW |
| PTO (tested) | 289.26hp / 215.7kW |
ENGINE DETAIL
The John Deere 8430 is equipped with a robust 9.0L PowerTech diesel engine featuring a variable geometry turbocharger, delivering a rated power of 305hp and a maximum power of 330hp, making it suitable for demanding agricultural tasks. Its high compression ratio of 16.3:1 and efficient dual air cleaner system contribute to improved fuel efficiency and performance at operating RPMs of 1500-2100, ideal for sustained operations. However, maintenance considerations include managing a substantial oil capacity of 25.5 to 29.5 quarts and coolant needs of 42.3 quarts, which can affect operational downtime if not regularly monitored.
| Description | John Deere PowerTech variable geometry turbocharger diesel 6-cylinder 24-valve liquid-cooled inline |
| Displacement | 548ci / 9.0L |
| Bore/Stroke | 4.661x5.354inches / 118x 136mm |
| Rated Power (EC 97/98) | 305hp / 227.4kW |
| Maximum Power (EC 97/68) | 330hp / 246.1kW |
| Air cleaner | dual paper elements |
| Compression | 16.3:1 |
| Rated RPM | 2100 |
| Idle RPM | 900-2200 |
| Operating RPM | 1500-2100 |
| Starter volts | 12 |
| Oil capacity | 25.5qts / 24.1L 29.5qts / 27.9L (ILS) |
| Coolant capacity | 42.3qts / 40.0L |
JOHN DEERE 8430 ENGINE
The John Deere 8430 features a robust 9.0L 6-cylinder diesel engine, providing high torque output for demanding applications like plowing or heavy tillage. Its advantages include fuel efficiency and strong power-to-weight ratio, ideal for large-scale farming operations. However, the engine's complexity may lead to higher maintenance costs and requires skilled technicians for repairs.
| Description | John Deere 9.0L 6-cyl diesel |
TRANSMISSION 1
The John Deere 8430 features a full PowerShift transmission with 16 forward and 4 reverse gears, providing flexibility for various field conditions and driving scenarios. Its hydraulic wet disc clutch enhances durability and performance during prolonged use, while the Automatic PowerShift (APS) function optimizes engine load management for efficiency. However, operators may face a learning curve due to the control setup, and programming default gears can be crucial for quick operation in diverse tasks.
| Transmission | John Deere PowerShift |
| Type | full power shift |
| Gears | 16 forward and 4 reverse |
| Clutch | hydraulic wet disc |
| Oil capacity | 160qts / 151.4L 168qts / 159.0L (ILS) |
| Description | Full power shift transmission operated with right-hand control lever. Transmission defaults to gear 7-forward and 2-reverse on startup, although this may be re-programmed. Automatic PowerShift (APS) enables automatic shifting to maintain engine load |
TRANSMISSION 2
The John Deere 8430's Infinitely Variable Transmission (IVT) offers seamless gear transitions with infinite forward and reverse options, enhancing operational efficiency. Its capability to adjust maximum speed up to 40 or 50 kph (25 or 31 mph) allows for versatile fieldwork, while the automatic creeper mode below 2 kph is advantageous for precise tasks such as planting or tilling. However, the complexity of IVT may require specialized maintenance and operator training to ensure optimal performance.
| Transmission | John Deere Infinitely Variable Transmission (IVT) |
| Gears | infinite forward and reverse |
| Description | IVT available with 40 or 50 kph (25 or 31 mph) maximum speed. With maximum speed set to less than 2 kph the transmission automatically enters creeper mode |
MECHANICAL
The John Deere 8430 features a 4x4 Independent Link Suspension (ILS), providing exceptional traction and stability on varied terrain, which is advantageous for heavy-duty field operations. Its 16-speed full power shift transmission allows for precise speed control, enhancing efficiency during complex tasks like plowing and tilling. However, the advanced wet disc brakes require regular maintenance to ensure optimal performance, which might be a consideration for operators in remote areas.
| Chassis | 4x4 Independent Link Suspension (ILS) MFWD 4WD/4x4 MFWD 4WD |
| Steering | power |
| Brakes | wet disc |
| Cab | CommandView cab standard |
| Transmission | 16-speed full power shift |
CAPACITY
| Fuel | 180gal / 681.3L |
| Hydraulic system | 9.5gal / 36.0L 14.5gal / 54.9L (with aux reservoir) |
HYDRAULICS
| Type | closed center PFC |
| Capacity | 9.5gal / 36.0L 14.5gal / 54.9L (with aux reservoir) |
| Valves | 3 to 5 |
| Pump flow | 31.7gpm / 120.0lpm |
| Total flow | 44gpm / 166.5lpm 60gpm / 227.1lpm (optional) |
TRACTOR HITCH
| Rear Type | III/IV (optional) |
| Rear lift | 17,300lbs / 7847kg 18,300lbs / 8300kg (optional) |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 1000/540/1000 (optional) |
| Engine RPM | 540@1817 / 1000@2000 |
DIMENSIONS
| Wheelbase | 118.9inches / 302cm (ILS) 120.1inches / 305cm (MFWD) |
| Length | 219.1inches / 556cm |
| Height | 122.9inches / 312cm |
| Ground clearance | 17.4inches / 44cm |
JOHN DEERE 8430 WEIGHT
| Operating | 24,825lbs / 11260kg 25,791lbs / 11698kg (ILS) |
| Ballasted | 33,650lbs / 15263kg |
DIMENSIONS & TIRES
The John Deere 8430's wheelbase of 118.9 inches (ILS) and 120.1 inches (MFWD) enhances stability and traction, especially during field operations or heavy towing. Its weight range of 24,825 to 25,791 pounds provides sufficient ballast for optimal performance in various agricultural tasks, but may pose challenges in mobility on softer terrain. Operators should consider their specific application needs, as the ILS configuration is favored for improved ride quality, while the MFWD offers enhanced traction in diverse soil conditions.
| Wheelbase | 118.9inches / 302cm (ILS) 120.1inches / 305cm (MFWD) |
| Weight | 24825 to 25791 pounds |
8430 SERIAL NUMBERS
| Location | Rear of tractor near PTO |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 200 |
| Batteries | 2 |
| Battery CCA | 925 |
| Battery volts | 12 |