| Manufacturer | John Deere |
| Price | 96,000(USD) |
| Model | 8570 |
| Equipment Type | Row-Crop Tractors |
| Factory | Waterloo, Iowa, USA |
NEBRASKA TRACTOR TEST 1670 2
| Description | Diesel PowerSync 4WD/October 21 - December 1, 1993/Link: Nebraska Tractor Test 1670 file/PTO performance/Drawbar performance |
| Power at rated engine speed | 208.21 hp/155.3 kW |
| Fuel use | 11.8 gal/hour/44.7 l/hour |
| Power at rated PTO speed | 230.84 hp/172.1 kW |
| Max power | 191.59 hp/142.9 kW |
| Max pull | 31,924 lbs/14480 kg |
JOHN DEERE 8570 POWER
| Engine (gross) | 250 hp/186.4 kW |
| PTO (claimed) | 205 hp/152.9 kW |
| Drawbar (tested) | 191.59 hp/142.9 kW |
| PTO (tested) | 208.21 hp/155.3 kW |
ENGINE DETAIL
The John Deere 8570 is equipped with a turbocharged aftercooled 6-cylinder diesel engine, providing a robust 250 hp at a rated RPM of 2100, ensuring high torque output for demanding agricultural applications. With a compression ratio of 15.8:1 and a displacement of 466 ci (7.6 L), it is designed for optimal efficiency and fuel economy, though the higher compression may challenge cold starting in lower temperatures. Its substantial oil (24.3 qts) and coolant (58 qts) capacities contribute to prolonged engine life and reliability during extended use, making it suitable for heavy-duty tasks in the field.
| Description | John deere/turbocharged aftercooled diesel/6-cylinder/liquid-cooled |
| Displacement | 466 ci/7.6 L |
| Bore/Stroke | 4.5625x4.75 inches/116 x 121 mm |
| Power (gross) | 250 hp/186.4 kW |
| Compression | 15.8:1 |
| Rated RPM | 2100 |
| Firing order | 1-5-3-6-2-4 |
| Starter volts | 12 |
| Oil capacity | 24.3 qts/23.0 L |
| Coolant capacity | 58 qts/54.9 L |
JOHN DEERE 8570 ENGINE
The John Deere 8570 is powered by a robust 7.6L 6-cylinder diesel engine, which offers enhanced torque and fuel efficiency for heavy-duty applications. This tractor's high power output is ideal for large farm operations, enabling efficient tillage, planting, and hauling tasks. However, potential challenges include maintenance complexity due to its advanced engine technology and the need for proper calibration to optimize performance under varying load conditions.
| Description | John deere 7.6L 6-cyl diesel |
TRANSMISSIONS OVERVIEW
The John Deere 8570's 12-speed partially synchronized and 24-speed two-speed powershift transmission offers seamless gear transitions, enhancing operational efficiency during varied field conditions. This dual system allows for optimal torque management, improving both fuel economy and power delivery. However, operators must be proficient in utilizing the synchronization features to prevent gear engagement challenges in demanding terrains.
| Description | 12-speed partially synchronized/24-speed two-speed power shift |
TRANSMISSION 1
The John Deere 8570's partially synchronized Syncro transmission allows for smoother gear changes in lower ranges, enhancing operator control, particularly in varied terrain. With 12 forward and 3 reverse gears, it facilitates versatile speed management, making it suitable for various applications from tilling to hauling. However, the reliance on hydraulic wet disc clutches may require careful maintenance to prevent premature wear, especially under heavy load conditions.
| 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 8570 tractor features a PowrSync transmission, providing efficient two-speed power shifting with 24 forward and 6 reverse gears. The hydraulic wet disc clutch enhances durability and smooth engagement, facilitating synchronized shifting in a variety of field conditions. This design is particularly advantageous for tasks requiring frequent gear changes, such as plowing or tillage, but may present challenges in maintenance due to the complexity of the hydraulic system.
| 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. |
MECHANICAL
The John Deere 8570 features a robust 4x4 articulated 4WD chassis, enhancing maneuverability in diverse terrains, making it ideal for heavy-duty farming applications. Its inboard planetary final drives provide superior torque transfer and durability, while the hydrostatic power steering ensures precise handling, particularly in tight spaces. The 12-speed partially synchronized transmission offers flexibility for various operational demands, whereas the hydraulic wet disc brakes enhance safety and reliability under heavy loads, offering a significant advantage during fieldwork.
| 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 |
CAPACITY
| Fuel | 220 gal/832.7 L |
| Hydraulic system | 38 gal/143.8 L |
HYDRAULICS
| Type | closed center pressure compensated |
| Capacity | 38 gal/143.8 L |
| Pressure | 2530 psi/174.4 bar |
| Rear valves | 3 to 5 |
| Pump flow | 44.8 gpm/169.6 lpm |
| SCV flow | 33.3 gpm/126.0 lpm |
TRACTOR HITCH
| Rear Type | 3 (optional) |
| Control | draft sensing |
| Rear lift | 14,980 lbs/6794 kg |
POWER TAKE-OFF (PTO)
| Rear PTO | independent (optional) |
| Clutch | hydraulic wet disc |
| Rear RPM | 1000 (1.75) |
JOHN DEERE 8570 TIRES
The John Deere 8570 tractor boasts versatile tire options, including sizes like 24.5R-32 and 20.8R-42, which enhance its adaptability for various agricultural applications. This range allows for optimized traction and stability on diverse terrains, crucial for high-draft tasks like plowing or cultivating. However, careful selection is essential, as incompatibility between tire sizes can impact load distribution and overall vehicle performance.
| Ag front | 24.5R-32/18.4R-38/20.8R-38/710/70R38/18.4R-42/20.8R-42/18.4R-46 |
| Ag rear | 24.5R-32/18.4R-38/20.8R-38/710/70R38/18.4R-42/20.8R-42/18.4R-46 |
DIMENSIONS
| Wheelbase | 134 inches/340 cm |
| Length | 268.9 inches/683 cm |
| Weight | 32,100 lbs/14560 kg |
| Shiping weight | 29,564 lbs/13410 kg |
| Front axle | 3.937 by 120 inches/99 by 3048 mm |
| Rear axle | 3.937 by 120 inches/99 by 3048 mm |
DIMENSIONS & TIRES
The John Deere 8570's wheelbase of 134 inches (340 cm) enhances its stability during heavy-duty operations but may limit maneuverability in tight spaces. Weighing between 29,564 and 32,100 pounds, it offers substantial traction for challenging terrains, although this added weight can lead to soil compaction if not properly managed. The uniform tire size of 24.5R-32 front and rear ensures balanced weight distribution, optimizing performance in both fieldwork and transport scenarios.
| Wheelbase | 134 inches/340 cm |
| Weight | 29564 to 32100 pounds |
| Front tire | 24.5R-32 |
| Rear tire | 24.5R-32 |
8570 SERIAL NUMBERS
| Location | Left side of tractor hinge. |
| 1993 | 1001 |
| 1994 | 1551 |
| 1995 | 2595 |
| 1996 | 3001 |
ELECTRICAL
| Ground | negative |
| Batteries | 2 |
| Battery CCA | 925 |
| Battery volts | 12 |