| Manufacturer | John Deere |
| Price | - |
| Model | 7830 |
| Equipment Type | Row-Crop Tractors |
| Factory | Waterloo, Iowa, USA |
OCED TRACTOR TEST 562 2
| Description | Diesel 20 speed 4WD March 27 - April 20, 2007 Link: OCED Tractor Test 562 file PTO performance Drawbar performance |
| Max power | 148.48hp / 110.7kW |
| Fuel use | 9.7gal/hour / 36.7l/hour |
| Power at rated engine speed | 166.81hp / 124.4kW |
| Power at rated PTO speed | 183.39hp / 136.8kW |
JOHN DEERE 7830 POWER
| Engine | 205hp / 152.9kW |
| PTO (claimed) | 165hp / 123.0kW |
| Drawbar (tested) | 148.48hp / 110.7kW |
| PTO (tested) | 189.15hp / 141.0kW |
ENGINE DETAIL
The John Deere 7830 features a robust 6.8L intercooled turbocharged diesel engine, delivering 205hp at a rated 2100 RPM, which provides ample power for demanding agricultural tasks. The high-pressure common rail fuel system enhances fuel efficiency and performance, but the 17:1 compression ratio can make cold starts challenging in low temperatures. With a substantial oil capacity of 27.5 quarts, maintenance intervals are extended, allowing for prolonged operation before servicing is required.
| Description | John Deere intercooled turbocharged diesel 6-cylinder liquid-cooled |
| Displacement | 414ci / 6.8L |
| Bore/Stroke | 4.19x5.00inches / 106x 127mm |
| Power | 205hp / 152.9kW |
| Fuel system | high-pressure common rail |
| Cooling system | viscous fan |
| Air cleaner | dual paper elements |
| Compression | 17:1 |
| Rated RPM | 2100 |
| Firing order | 1-5-3-6-2-4 |
| Starter volts | 12 |
| Oil capacity | 27.5qts / 26.0L |
JOHN DEERE 7830 ENGINE
The John Deere 7830 is powered by a robust 6.8L 6-cylinder diesel engine, providing a balance of power and fuel efficiency for various agricultural tasks. Its efficient engine design enhances torque performance, particularly in demanding applications like plowing or towing heavy implements. However, operators should be aware of maintenance requirements and potential emissions standards challenges associated with diesel engines when considering long-term operation.
| Description | John Deere 6.8L 6-cyl diesel |
TRANSMISSIONS OVERVIEW
The John Deere 7830 features an advanced transmission system with options for either a 16-speed or a 20-speed configuration, allowing for precise speed control and adaptability to various field conditions. The 20-speed variant provides enhanced torque management and efficiency, which is advantageous for heavy-duty applications or varied terrain. However, a more complex transmission may require additional maintenance and operator training to maximize its potential.
| Description | 16-speed 20-speed |
TRANSMISSION 1
The John Deere 7830 features the PowrQuad PLUS transmission, offering 16 forward and reverse gears which enhance operational flexibility and provide optimal torque management during varied field conditions. The four push-button power shift gears in conjunction with synchronized ranges (A-D) allow for quick and efficient gear changes, improving productivity during tasks such as plowing or hauling. However, operators may face a learning curve with the left-hand power shuttle system, which requires adjustment for those accustomed to traditional gear switching methods.
| Transmission | PowrQuad PLUS |
| Gears | 16 forward and reverse |
| Description | Four push-button power shift gears (1-4) in four synchronized ranges (A-D) with left-hand power shuttle |
SPEEDS 1
| Description | With group 47 rear tires. Reverse speeds are 4% faster than forward |
TRANSMISSION 2
The John Deere 7830 features the AutoQuad PLUS transmission, providing 20 forward and reverse gears with four push-button power shift gears and five synchronized ranges, allowing smooth transitions and optimal power management. The inclusion of a left-hand power shuttle enhances operator convenience, particularly during repetitive forward-reverse tasks such as loading or unloading. However, operators should consider the gear complexity and potential learning curve associated with maximizing the transmission's capabilities in diverse agricultural applications.
| Transmission | AutoQuad PLUS |
| Gears | 20 forward and reverse |
| Description | Four push-button power shift gears (1-4) in five synchronized ranges (A-D) with left-hand power shuttle. Available in 40 kph and 50 kph versions |
SPEEDS 2
| Description | With group 47 rear tires. Reverse speeds are 4% faster than forward |
TRANSMISSION 3
The John Deere 7830 features an Infinite Variable Transmission (IVT), providing seamless power delivery and allowing for infinitely adjustable speed within its range. This transmission enhances operator comfort and efficiency, especially during tasks requiring constant speed, like tillage or mowing. However, it may present a learning curve for operators accustomed to traditional gear transmissions, impacting initial productivity.
| Transmission | Infinitely Variable Transmission (IVT) |
| Gears | infinite forward and reverse |
MECHANICAL
The John Deere 7830 features a robust 4x4 MFWD chassis, enhancing traction and stability on various terrains, which is advantageous for agricultural applications requiring high maneuverability. Its hydraulic wet disc brakes provide superior stopping power and reliability, particularly in heavy-load scenarios, while the standard cab equipped with air-conditioning ensures operator comfort during extended working hours. The available 16-speed and 20-speed transmissions offer versatility for both fieldwork and transport, with the latter providing more precise speed control for diverse operational needs.
| Chassis | 4x4 MFWD 4WD |
| Steering | power |
| Brakes | hydraulic wet disc |
| Cab | Cab standard with air-conditioning |
| Transmissions | 16-speed 20-speed |
CAPACITY
| Fuel | 103gal / 389.9L 94gal / 355.8L (with right-hand steps) |
| Hydraulic system | 28.5gal / 107.9L |
HYDRAULICS
| Type | closed center load-sensing |
| Capacity | 28.5gal / 107.9L |
| Pressure | 2900psi / 200.0bar |
| Valves | 2 to 7 |
| SCV flow | 30gpm / 113.6lpm |
| Total flow | 32gpm / 121.1lpm 45gpm / 170.3lpm |
TRACTOR HITCH
| Rear Type | III |
| Rear lift | 10,050lbs / 4558kg 14,000lbs / 6350kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Clutch | hydraulic wet disc |
| Rear RPM | 1000 (1.75) / 540/1000 (1.375) |
| Engine RPM | 540@1950 / 1000@1950 |
JOHN DEERE 7830 TIRES
The John Deere 7830 with standard agricultural tires features a front size of 420/90R30 and a rear size of 480/80R46, providing optimal traction and stability. This tire combination enhances its load-carrying capacity and improves performance in various field conditions, especially for row crop applications. However, operators should be cautious of soil compaction, particularly in wet conditions, as larger tires can exacerbate this issue.
| Standard tires (ag) | Front: 420/90R30. Rear: 480/80R46 |
DIMENSIONS
| Wheelbase | 112.6inches / 286cm |
| Length | 225inches / 571cm |
| Width | 96inches / 243cm |
| Height (cab) | 122.4inches / 310cm |
| Shipping weight | 17731lbs / 8042kg |
| Clearance (front axle) | 27.4inches / 69cm |
| Clearance (rear axle) | 32.5inches / 82cm |
| Clearance (drawbar) | 18.25inches / 46cm |
| Rear axle | Bar: 3.94 by 118.5inches / 100by 3009mm |
DIMENSIONS & TIRES
The John Deere 7830 has a wheelbase of 112.6 inches, providing excellent stability and maneuverability for various agricultural tasks. Weighing 17,731 lbs, it is well-suited for heavy-duty applications but may pose challenges in extremely soft soils due to potential sinking. Its tire specifications (front: 420/90R30, rear: 480/80R46) enhance traction and flotation, making it ideal for diverse terrains, particularly in large crop fields or hilly landscapes.
| Wheelbase | 112.6inches / 286cm |
| Weight | 17731lbs / 8042kg |
| Front tire | 420/90R30 |
| Rear tire | 480/80R46 |
7830 SERIAL NUMBERS
| Location | Serial number plate on the right side of the tractor frame, above the front axle |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 200 |
| Batteries | 2 |
| Battery CCA | 925 |
| Battery volts | 12 |