| Manufacturer | John Deere |
| Price | 142,000(USD) |
| Model | 8960 |
| Equipment Type | Four-wheel Drive 4WD Tractors |
| Factory | Waterloo, Iowa, USA |
OCED TRACTOR TEST 1625 2
| Description | Diesel Powrsync 4WD May 1 - June 1, 1989 Link: OCED Tractor Test 1625 file PTO performance Drawbar performance |
| Max power | 308.26hp / 229.9kW |
| Fuel use | 19.2gal/hour / 72.7l/hour |
| Power at rated engine speed | 333.40hp / 248.6kW |
| Max pull | 34,462lbs / 15631kg |
OCED TRACTOR TEST 1632 2
| Description | Diesel Power Shift 4WD September 1 - October 1, 1989 Link: OCED Tractor Test 1632 file PTO performance Drawbar performance Gear 6 used for power test Gear 1 used for pull test |
| Max power | 302.04hp / 225.2kW |
| Fuel use | 19.5gal/hour / 73.8l/hour |
| Power at rated engine speed | 332.25hp / 247.8kW |
| Max pull | 34,913lbs / 15836kg |
JOHN DEERE 8960 POWER
| Engine | 370hp / 275.9kW |
| PTO (claimed) | 332hp / 247.6kW |
| Drawbar (tested) | 308.26hp / 229.9kW |
| PTO (tested) | 337.42hp / 251.6kW |
ENGINE DETAIL
The John Deere 8960 is powered by a robust 14.0L Cummins turbocharged diesel engine, providing 370 hp, which is advantageous for heavy-duty agricultural tasks that require high torque at lower RPMs. Its dual paper air cleaner enhances filtration, crucial for maintaining engine performance in dusty environments, while a high compression ratio of 14.0:1 allows for improved fuel efficiency. However, the 72 qt coolant capacity necessitates vigilant maintenance to prevent overheating during prolonged operation, especially in high-stress applications.
| Description | Cummins turbocharged diesel 6-cylinder liquid-cooled |
| Displacement | 855ci / 14.0L |
| Bore/Stroke | 5.50x6.00inches / 140x 152mm |
| Power | 370hp / 275.9kW |
| Air cleaner | dual paper elements with aspirator |
| Compression | 14.0:1 |
| Rated RPM | 1900 |
| Starter volts | 12 |
| Coolant capacity | 72qts / 68.1L |
JOHN DEERE 8960 ENGINE
The John Deere 8960 is powered by a robust Cummins 14.0L 6-cylinder diesel engine, providing exceptional torque and horsepower for demanding tasks. Its high displacement allows for enhanced fuel efficiency and increased power output, making it ideal for heavy-duty farming and industrial applications. However, the engine's size may lead to higher maintenance costs and a need for specialized service knowledge, which could be a challenge for some operators.
| Description | Cummins 14.0L 6-cyl diesel |
TRANSMISSIONS OVERVIEW
The John Deere 8960 features a versatile 12-speed partially synchronized transmission, offering flexibility for various field conditions, while the 24-speed partial power shift allows for smoother gear transitions under load. Its 12-speed full power shift enhances operational efficiency by enabling seamless gear changes without interruptions in power delivery. However, the complexity of this transmission system may present maintenance challenges and requires skilled operation to maximize its performance during intensive tasks.
| Description | 12-speed partially synchronized 24-speed partial power shift 12-speed full power shift |
TRANSMISSION 1
The John Deere 8960 features a partially synchronized John Deere Syncro transmission with 12 forward and 3 reverse gears, allowing for efficient management of power and speed across varying terrains. The hydraulic wet disc clutch provides smooth engagement and enhances durability under heavy loads, but may require more maintenance compared to dry clutches. This transmission is particularly advantageous in applications needing frequent gear changes, such as tilling and hauling, while its complexity could challenge inexperienced operators.
| Transmission | John Deere Syncro |
| Type | partially synchronized |
| Gears | 12 forward and 3 reverse |
| Clutch | hydraulic wet disc |
| Description | Three speeds (1-3) in four ranges (A-D). Synchronized shifting between speeds |
TRANSMISSION 2
The John Deere 8960's PowrSync transmission offers a versatile partial power shift system, providing smooth transitions with six speeds across four ranges, allowing for optimal power management during varied operational tasks. The hydraulic wet disc clutch enhances durability and reduces slippage during engagement, making it suitable for extensive fieldwork and heavy-load applications. However, the complexity of the system may require more maintenance compared to simpler transmission types, which could lead to increased downtime if not managed properly.
| Transmission | John Deere PowrSync |
| Type | partial power shift |
| Gears | 24 forward and 6 reverse |
| Clutch | hydraulic wet disc |
| Description | Six speeds (1-6) in four ranges (A-D). Power shift between speeds 1-2, 3-4, and 5-6. Synchronized shifting between other gears and ranges |
TRANSMISSION 3
The John Deere 8960 features a full power shift transmission, offering seamless gear transitions across 12 forward and 2 reverse gears, enhancing operational efficiency. The hydraulic wet disc clutch provides robust torque handling and durability, reducing maintenance needs in demanding applications. However, the complexity of power shift systems may require specialized training, which could be a consideration for operators in remote areas.
| Transmission | John Deere Power Shift |
| Type | full power shift |
| Gears | 12 forward and 2 reverse |
| Clutch | hydraulic wet disc |
MECHANICAL
The John Deere 8960 features a robust 4x4 articulated 4WD chassis that enhances stability and traction in diverse terrains, making it ideal for heavy-duty tasks. Its articulated power steering offers better maneuverability in tight spaces, while the hydraulic wet disc brakes ensure consistent performance under load. The various transmission options, including 12-speed variations and a 24-speed partial power shift, provide versatility for different operational needs, allowing for optimized power delivery and efficiency in both field and transport scenarios.
| Chassis | 4x4 articulated 4WD |
| Steering | articulated power |
| Brakes | hydraulic wet disc |
| Cab | Sound-Gard Cab standard |
| Transmissions | 12-speed partially synchronized 24-speed partial power shift 12-speed full power shift |
CAPACITY
| Fuel | 220gal / 832.7L |
| Hydraulic system | 47gal / 177.9L |
HYDRAULICS
| Type | closed-center pressure compensated |
| Capacity | 47gal / 177.9L |
| Valves | 3 |
| Pump flow | 39.6gpm / 149.9lpm |
| SCV flow | 33.3gpm / 126.0lpm |
TRACTOR HITCH
| Rear Type | IV |
| Rear lift | 13966lbs / 6334kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent |
| Rear RPM | 1000 |
JOHN DEERE 8960 TIRES
The John Deere 8960, equipped with 20.8R-38 tires both front and rear, offers excellent flotation and stability on various terrains, which is advantageous for heavy field operations. However, its large tire size may limit maneuverability in tighter spaces, making it less ideal for small-scale farming or orchards. Overall, this tractor excels in larger agricultural settings where power and traction are priorities.
| Ag front | 20.8R-38 |
| Ag rear | 20.8R-38 |
DIMENSIONS
| Wheelbase | 134inches / 340cm |
| Length | 268.9inches / 683cm |
| Operating weight | 35115lbs / 15928kg *Weight with 20.8R42 duals |
DIMENSIONS & TIRES
The John Deere 8960, with a 134-inch wheelbase and a weight of 35,115 lbs, offers significant stability for heavy draft applications. The 20.8R-38 tires front and rear provide enhanced traction and flotation, making this tractor suitable for diverse agricultural tasks, particularly in soft or uneven terrains. However, its substantial weight may pose challenges in transportability and require adequate infrastructure for operation on sensitive soils.
| Wheelbase | 134inches / 340cm |
| Weight | 35115lbs / 15928kg |
| Front tire | 20.8R-38 |
| Rear tire | 20.8R-38 |
8960 SERIAL NUMBERS
| Location | Data plate behind left-side step |
| 1989 | 1001 |
| 1990 | 1501 |
| 1991 | 2501 |
| 1992 | 2937 |
| 1993 | 4449 |
ELECTRICAL
| Ground | negative |
| Charging system | alternator |
| Charging amps | 120 |
| Batteries | 3 |
| Battery CCA | 925 |
| Battery volts | 12 |