| Manufacturer | John Deere |
| Price | - |
| Model | 7730 |
| Equipment Type | Row-Crop Tractors |
| Factory | Waterloo, Iowa, USA |
OCED TRACTOR TEST 1894 2
| Description | Diesel AutoQuad Plus 4WD March 21 - April 9, 2007 Link: OCED Tractor Test 1894 file PTO performance Drawbar performance |
| Max power | 139.10hp / 103.7kW |
| Fuel use | 9.3gal/hour / 35.2l/hour |
| Power at rated engine speed | 153.29hp / 114.3kW |
| Power at rated PTO speed | 168.19hp / 125.4kW |
JOHN DEERE 7730 POWER
| Engine | 190hp / 141.7kW |
| PTO (claimed) | 152hp / 113.3kW |
| Drawbar (tested) | 139.10hp / 103.7kW |
| PTO (tested) | 172.51hp / 128.6kW |
ENGINE DETAIL
The John Deere 7730 features a robust 6-cylinder, 6.8L turbocharged diesel engine, providing 190 horsepower and an impressive torque of 564 lb-ft at 1600 RPM, ideal for heavy-duty agricultural tasks. With a high-pressure common rail fuel system, its fuel efficiency and performance during varied load conditions are enhanced, while the viscous fan cooling system ensures optimal engine temperatures for prolonged operation. A potential challenge may arise from the engine's weight and size, necessitating suitable infrastructure for operation and maintenance, particularly in compact farming scenarios.
| Description | John Deere intercooled turbocharged diesel 6-cylinder liquid-cooled |
| Displacement | 414ci / 6.8L |
| Bore/Stroke | 4.19x5.00inches / 106x 127mm |
| Power | 190hp / 141.7kW |
| Fuel system | high-pressure common rail |
| Cooling system | viscous fan |
| Air cleaner | dual paper elements |
| Compression | 17:1 |
| Rated RPM | 2100 |
| Torque | 564lb-ft / 764.8Nm |
| Torque RPM | 1600 |
| Firing order | 1-5-3-6-2-4 |
| Starter volts | 12 |
| Oil capacity | 27.5qts / 26.0L |
JOHN DEERE 7730 ENGINE
The John Deere 7730 is powered by a robust 6.8L 6-cylinder diesel engine, known for its durability and fuel efficiency, making it suitable for demanding agricultural tasks. One of its advantages is the PowerTech Plus design, which optimizes performance and reduces emissions, though it may require more specialized maintenance. Ideal for mid-sized farms, this tractor excels in both fieldwork and loader applications, providing versatility and reliability.
| Description | John Deere 6.8L 6-cyl diesel |
TRANSMISSIONS OVERVIEW
The John Deere 7730 features a robust 6.8L engine with an efficient Automatic Power Shift (APS) transmission, offering either 16-speed or 20-speed options to match varying field conditions. The 20-speed transmission allows for finer speed adjustments, which can enhance productivity during diverse operations like planting or tilling. Key advantages include improved fuel efficiency and reduced operator fatigue; however, the complexity of the transmission could present challenges in maintenance and operator training.
| Description | 16-speed 20-speed |
TRANSMISSION 1
The John Deere 7730 features the PowrQuad PLUS transmission, providing 16 forward and reverse gears for seamless operation across diverse terrains. Its four push-button power shift gears in synchronized ranges (A-D) enhance productivity by enabling quick gear changes without stopping. The left-hand power shuttle allows for efficient direction changes, making it ideal for tasks requiring frequent forward-reverse operations, such as loader work or frequent turns in tight spaces.
| 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 7730 features the AutoQuad PLUS transmission, providing 20 forward and reverse gears, allowing for optimal power delivery and efficiency in varied field conditions. The four push-button power shift gears and five synchronized ranges enhance operational versatility, especially in tasks requiring frequent speed adjustments. The left-hand power shuttle offers improved user ergonomics, but operators should be aware of the learning curve associated with multi-range shifting for maximum productivity.
| 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 7730 features an Infinitely Variable Transmission (IVT), allowing for seamless gear transitions without shifting, enhancing operator comfort and efficiency. Its infinite forward and reverse capabilities provide excellent maneuverability, making it ideal for tasks requiring precise speed adjustments, such as tilling or planting. However, potential challenges may include the complexity of IVT systems, which may require specialized knowledge for maintenance and repairs.
| Transmission | Infinitely Variable Transmission (IVT) |
| Gears | infinite forward and reverse |
MECHANICAL
The John Deere 7730 features a robust 4x4 MFWD drivetrain, offering enhanced traction and stability in varied terrain, which is advantageous for farming and hauling in challenging conditions. The hydraulic wet disc brakes provide reliable stopping power and durability, while the available 16-speed and 20-speed transmissions allow for optimal speed control and efficiency across different operational tasks. The standard air-conditioned cab enhances operator comfort, making it suitable for long hours in the field.
| Chassis | 4x2 2WD/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 | 540/1000 (1.375) |
| Engine RPM | 540E@1750 / 540@1950 / 1000E@1750 / 1000@1950 |
JOHN DEERE 7730 TIRES
The John Deere 7730 tractor offers configurations for both 2WD and 4WD, with 2WD providing better fuel efficiency and reduced maintenance complexities, ideal for less demanding tasks. In contrast, the 4WD setup significantly enhances traction and stability, making it suitable for challenging terrains and heavy-duty applications. When choosing, consider that 2WD may excel in flat, dry fields, while 4WD is preferred for slippery or uneven surfaces.
| 2WD Standard tires (ag) | Front: 11.00-16. Rear: 480/80R42 |
| 4WD Standard tires (ag) | Front: 420/85R28. Rear: 480/80R42 |
DIMENSIONS
| 2WD Wheelbase | 116.8inches / 296cm |
| 4WD Wheelbase | 112.6inches / 286cm |
| Length | 225inches / 571cm |
| Width | 96inches / 243cm |
| Height (cab) | 120.9inches / 307cm |
| 2WD Clearance (front axle) | 26inches / 66cm |
| 4WD Clearance (front axle) | 25.3inches / 64cm |
| Clearance (rear axle) | 31inches / 78cm |
| Clearance (drawbar) | 17.75inches / 45cm |
| Rear axle | Bar: 3.94 by 118.5inches / 100by 3009mm |
JOHN DEERE 7730 WEIGHT
| 2WD Shipping | 15860lbs / 7194kg |
| 4WD Shipping | 17102lbs / 7757kg |
| Operating | 17,125lbs / 7767kg (4WD AutoQuad) |
DIMENSIONS & TIRES
The John Deere 7730 tractor, available in both 2WD and 4WD configurations, offers a robust wheelbase of 116.8 inches or 296 cm (2WD) and 112.6 inches or 286 cm (4WD), providing stability and maneuverability in various terrains. Weighing between 15,860 to 17,125 pounds, it is suitable for heavy-duty applications, while the tire specifications (11.00-16 fronts and 480/80R42 rears) enhance traction and load-bearing capabilities. However, the choice of 2WD vs. 4WD may impact performance on slippery surfaces, with 4WD offering additional traction but potentially higher operational costs in terms of fuel and maintenance.
| 2WD Wheelbase | 116.8inches / 296cm |
| 4WD Wheelbase | 112.6inches / 286cm |
| Weight | 15860 to 17125 pounds |
| Front tire | 11.00-16 |
| 2WD Rear tire | 480/80R42 |
7730 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 |