| Manufacturer | John Deere |
| Price | 126,538(USD) |
| Model | 8870 |
| Equipment Type | Four-wheel Drive 4WD Tractors |
| Factory | Waterloo, Iowa, USA |
NEBRASKA TRACTOR TEST 1672 2
| Description | Diesel PowrSync 4WD October 27 - 23, 1993 Link: Nebraska Tractor Test 1672 file PTO performance Drawbar performance |
| Power at rated engine speed | 302.75hp / 225.8kW |
| Fuel use | 17.9gal/hour / 67.8l/hour |
| Power at rated PTO speed | 335.69hp / 250.3kW |
| Max power | 280.34hp / 209.0kW |
| Max pull | 35,026lbs / 15887kg |
JOHN DEERE 8870 POWER
| Engine (gross) | 350hp / 261.0kW |
| PTO (claimed) | 300hp / 223.7kW |
| Drawbar (tested) | 280.34hp / 209.0kW |
| PTO (tested) | 302.75hp / 225.8kW |
ENGINE DETAIL
The John Deere 8870 features a robust 10.1L turbocharged 6-cylinder diesel engine, providing high durability and efficiency for demanding agricultural tasks. Its 350hp at 2100 RPM, paired with a 15.75:1 compression ratio, ensures significant power delivery while the dual paper air cleaner enhances engine protection against particulates. Pros include its substantial oil and coolant capacities, which facilitate extended operation, but owners should monitor maintenance intervals closely given the complexity of turbocharged systems.
| Description | John Deere turbocharged aftercooled diesel 6-cylinder liquid-cooled |
| Displacement | 619ci / 10.1L |
| Bore/Stroke | 5.12x5.00inches / 130x 127mm |
| Power (gross) | 350hp / 261.0kW |
| Air cleaner | dual paper elements with aspirator |
| Compression | 15.75:1 |
| Rated RPM | 2100 |
| Starter volts | 12 |
| Oil capacity | 33.8qts / 32.0L |
| Coolant capacity | 58qts / 54.9L |
JOHN DEERE 8870 ENGINE
The John Deere 8870 features a robust 10.1L 6-cylinder diesel engine, providing significant horsepower and torque for demanding agricultural tasks, enhancing productivity. However, its large engine size may result in higher operational costs, particularly in fuel consumption, which should be considered for economic viability. This tractor is ideal for high-capacity farming operations requiring powerful tillage and heavy equipment hitching, but owners must weigh its efficiency against maintenance and fuel expenses.
| Description | John Deere 10.1L 6-cyl diesel |
TRANSMISSIONS OVERVIEW
The John Deere 8870 features a robust 12-speed transmission that partly synchronizes gears for smoother shifting, complemented by a 24-speed two-speed power shift for enhanced versatility in various operating conditions. The full power shift option offers seamless gear changes under load, which can improve productivity in heavy-duty applications. However, the complexity of the transmission may pose challenges in maintenance and repair for users unfamiliar with sophisticated transmissions.
| Description | 12-speed partially synchronized 24-speed two-speed power shift 12-speed full power shift |
TRANSMISSION 1
The John Deere 8870 features a partially synchronized transmission, providing smooth gear shifting with three synchronized gears across four ranges, ideal for versatile applications. However, the reliance on a hydraulic wet disc PermaClutch may require meticulous maintenance to avoid costly replacements and ensure optimal performance. For tasks requiring frequent gear changes, this transmission design enhances operational efficiency, making it suitable for demanding agricultural environments.
| Transmission | Syncro |
| Type | partially synchronized |
| Gears | 12 forward and 3 reverse |
| Clutch | PermaClutch hydraulic wet disc |
| Description | Three synchronized gears (1-3) in four ranges (A-D) |
TRANSMISSION 2
The John Deere 8870 features a PowrSync transmission, providing 24 forward and 6 reverse speeds, allowing for precise control in various field conditions. The hydraulic wet disc clutch enhances durability and performance during heavy loads, while the synchronized shifting promotes smooth transitions, reducing wear on drivetrain components. However, the complexity of this transmission may require more maintenance and understanding from operators, especially in applications requiring frequent gear changes.
| Transmission | PowrSync |
| Type | two-speed power shift |
| Gears | 24 forward and 6 reverse |
| Clutch | hydraulic wet disc |
| Description | Six gears (1-6) in four ranges (A-D). Power shift between gear pairs 1/2, 3/4, and 5/6. Synchronized shifting between other gears and ranges |
TRANSMISSION 3
The John Deere 8870 features a full power shift transmission, offering 12 forward and 2 reverse gears which enhances efficiency during field operations by allowing quick adjustments to speed without clutching. The hydraulic wet disc clutch provides smooth engagement and durability, making it beneficial for heavy-duty tasks, though it may require more maintenance than conventional clutches. In scenarios demanding frequent gear changes, this setup optimizes power delivery and minimizes operator fatigue, essential for extended work periods.
| Transmission | Power Shift |
| Type | full power shift |
| Gears | 12 forward and 2 reverse |
| Clutch | hydraulic wet disc |
MECHANICAL
The John Deere 8870 features an articulated 4x4 chassis ideal for enhanced maneuverability and traction in varied terrains, making it suitable for heavy-duty agricultural applications. Its inboard planetary final drives provide robust load distribution, while the hydrostatic power steering offers excellent responsiveness, especially in tight spaces. The tractor's versatile transmission options, including a 12-speed fully synchronized and power shift variants, enable efficient operation across diverse field conditions but may require operator proficiency for optimal performance.
| Chassis | 4x4 articulated 4WD |
| Final drives | inboard planetary |
| Steering | hydrostatic power |
| Brakes | hydraulic wet discs |
| Cab | Sound-Gard cab standard |
| Transmissions | 12-speed partially synchronized 24-speed two-speed power shift 12-speed full power shift |
CAPACITY
| Fuel | 220gal / 832.7L |
| Hydraulic system | 38gal / 143.8L |
HYDRAULICS
| Type | closed center pressure compensated |
| Capacity | 38gal / 143.8L |
| Pressure | 2530psi / 174.4bar |
| Rear valves | 3 to 5 |
| Pump flow | 44.8gpm / 169.6lpm |
| SCV flow | 33.3gpm / 126.0lpm |
TRACTOR HITCH
| Rear Type | 3 (optional) |
| Control | draft sensing |
| Rear lift | 14,980lbs / 6794kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent (optional) |
| Clutch | hydraulic wet disc |
| Rear RPM | 1000 (1.75) |
JOHN DEERE 8870 TIRES
The John Deere 8870 tractor offers versatile tire options, enhancing traction and stability across varying agricultural applications. Choosing appropriately sized tires, such as the 710/70R38 for heavy tillage or the 20.8R42 for row crop operations, can significantly affect performance and soil compaction. However, tire selection must consider load capacity and field conditions to optimize fuel efficiency and minimize potential soil damage.
| Ag front | 24.5R-32 / 30.5-32 / 18.4R-38 / 20.8R-38 / 710/70R38 / 18.4R-42 / 20.8R-42 / 18.4R-46 |
| Ag rear | 24.5R-32 / 30.5-32 / 18.4R-38 / 20.8R-38 / 710/70R38 / 18.4R-42 / 20.8R-42 / 18.4R-46 |
DIMENSIONS
| Wheelbase | 134inches / 340cm |
| Length | 268.9inches / 683cm |
| Shiping weight | 31,438lbs / 14260kg |
| Operating weight | 35,130lbs / 15934kg |
| Front axle | 4.331 by 128inches / 110by 3251mm |
| Rear axle | 4.331 by 128inches / 110by 3251mm |
DIMENSIONS & TIRES
The John Deere 8870 tractor features a wheelbase of 134 inches (340 cm), providing stability and maneuverability for heavy-duty agricultural tasks. Weighing between 31,438 to 35,130 pounds, its mass allows for effective traction and soil penetration, though it may pose challenges in softer soil conditions or on uneven terrain. The uniform rear and front tire size of 24.5R-32 offers a balanced load distribution, enhancing performance in row crop applications and potentially reducing soil compaction.
| Wheelbase | 134inches / 340cm |
| Weight | 31438 to 35130 pounds |
| Front tire | 24.5R-32 |
| Rear tire | 24.5R-32 |
8870 SERIAL NUMBERS
| Location | Left side of tractor hinge |
| 1993 | 1001 |
| 1994 | 1881 |
| 1995 | 2895 |
| 1996 | 5001 |
ELECTRICAL
| Ground | negative |
| Batteries | 2 |
| Battery CCA | 925 |
| Battery volts | 12 |