| Manufacturer | John Deere |
| Price | - |
| Model | 7630 |
| Equipment Type | Row-Crop Tractors |
| Factory | Waterloo, Iowa, USA |
OCED TRACTOR TEST 560 2
| Description | Diesel AutoQuad Plus 4WD March 22 - April 20, 2007 Link: OCED Tractor Test 560 file PTO performance Drawbar performance |
| Max power | 126.97hp / 94.7kW |
| Fuel use | 8.4gal/hour / 31.8l/hour |
| Power at rated engine speed | 141.66hp / 105.6kW |
| Power at rated PTO speed | 159.73hp / 119.1kW |
JOHN DEERE 7630 POWER
| Engine | 175hp / 130.5kW |
| PTO (claimed) | 140hp / 104.4kW |
| Drawbar (tested) | 126.97hp / 94.7kW |
| PTO (tested) | 161.88hp / 120.7kW |
ENGINE DETAIL
The John Deere 7630's 6.8L intercooled turbocharged engine produces 175hp at a rated RPM of 2100, benefiting from a high-pressure common rail fuel system for improved fuel efficiency and performance under load. Challenges may include ensuring optimal cooling given its viscous fan-driven cooling system, which can be affected by ambient temperatures. With a 17:1 compression ratio, the engine design maximizes torque output, making it suitable for heavy-duty applications such as tillage or hauling where consistent power delivery is critical.
| Description | John Deere intercooled turbocharged diesel 6-cylinder liquid-cooled |
| Displacement | 414ci / 6.8L |
| Bore/Stroke | 4.19x5.00inches / 106x 127mm |
| Power | 175hp / 130.5kW |
| 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 7630 ENGINE
The John Deere 7630 is powered by a robust 6.8L 6-cylinder diesel engine, delivering reliable torque and fuel efficiency, ideal for heavy-duty agricultural tasks. Key advantages include its high power-to-weight ratio, enhancing maneuverability and traction in challenging terrains. However, potential challenges may arise in maintenance complexity due to the advanced technology of the engine; understanding this is crucial for optimizing operational uptime and longevity.
| Description | John Deere 6.8L 6-cyl diesel |
TRANSMISSIONS OVERVIEW
The John Deere 7630 features a 16-speed or 20-speed transmission, allowing for enhanced torque management and improved fuel efficiency in varying field conditions. The 20-speed option offers finer control over speed, making it ideal for applications requiring precision, such as tillage and planting. However, service complexity may increase with the additional gears, necessitating more skilled maintenance and repair.
| Description | 16-speed 20-speed |
TRANSMISSION 1
The John Deere 7630 features a PowrQuad PLUS transmission, which offers 16 forward and reverse gears, enhancing flexibility for various applications. The four push-button power shift gears in synchronized ranges (A-D) allow for seamless gear transitions, optimizing productivity in demanding field conditions. However, operators may require some training to maximize efficiency with the left-hand power shuttle, as it alters traditional gear shifting practices used in tractors.
| 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 7630's AutoQuad PLUS transmission offers seamless shifting with 20 forward and reverse gears, enhancing operational efficiency across varied terrains. The combination of four push-button power shift gears in five synchronized ranges allows for precise control, particularly beneficial during tasks requiring frequent speed adjustments. However, the complexity of this system may pose a challenge for operators unfamiliar with advanced transmission features, necessitating proper training to maximize performance.
| 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 7630 features an Infinitely Variable Transmission (IVT), allowing seamless speed adjustments without gear shifting, enhancing operator comfort and productivity. This infinite forward and reverse capability is ideal for tasks requiring variable speeds, such as tilling or hauling. However, potential challenges may include higher initial costs and maintenance complexity compared to traditional transmission systems.
| Transmission | Infinitely Variable Transmission (IVT) |
| Gears | infinite forward and reverse |
MECHANICAL
The John Deere 7630 offers a versatile drivetrain configuration with options for 2WD or 4WD, where the MFWD improves traction on uneven terrain, enhancing productivity in challenging conditions. Its hydraulic wet disc brakes provide superior stopping power and durability, critical for safety in heavy-duty applications. Notably, the advanced 16-speed or optional 20-speed transmission allows for optimal torque management and efficient operation across various field tasks, making it ideal for both agricultural and utility work.
| 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 7630 TIRES
The John Deere 7630 offers configurations in both 2WD and 4WD, allowing for flexibility in traction and ground engagement based on field conditions. The 2WD variant, with standard agricultural tires, provides adequate performance in stable soils but may struggle in wet or uneven terrains, whereas the 4WD version enhances grip and maneuverability, making it ideal for adverse conditions or heavy implements. Key considerations include tire size compatibility for attachments and potential increased fuel consumption in 4WD mode.
| 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 7630 WEIGHT
| 2WD Shipping | 15360lbs / 6967kg |
| 4WD Shipping | 17131lbs / 7770kg |
| Operating | 17,200lbs / 7801kg (4WD AutoQuad) |
DIMENSIONS & TIRES
The John Deere 7630 offers a choice between 2WD and 4WD configurations, with the 2WD wheelbase providing superior stability for on-road applications, while the shorter 4WD wheelbase enhances maneuverability in tight farming conditions. Weighing between 15,360 to 17,200 pounds, this tractor is robust enough for heavy fieldwork, but operators should assess weight distribution, particularly when equipped with larger rear tires (480/80R42) for optimal traction. The front tire size (11.00-16) indicates a focus on balance and steering precision, essential in applications requiring agility and control.
| 2WD Wheelbase | 116.8inches / 296cm |
| 4WD Wheelbase | 112.6inches / 286cm |
| Weight | 15360 to 17200 pounds |
| Front tire | 11.00-16 |
| 2WD Rear tire | 480/80R42 |
7630 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 |