John Deere 8770
Power
300 hp
Production
1993-1996
Engine
Turbocharged aftercooled diesel, 6-cylinder
Transmission
Syncro
Weight
31,438 lbs [14260 kg]
Drive
4WD
From the same series:
Introduction
John Deere 8770: High-Capacity Four-Wheel Drive Tractor
The John Deere 8770 is a heavy-duty four-wheel drive tractor manufactured in Waterloo, Iowa, between 1993 and 1996. Designed for large-scale agricultural operations, this machine belongs to a series of high-horsepower tractors known for their structural durability and pulling capability.
Engine and Performance
The tractor is powered by a 6-cylinder, 10.1-liter turbocharged and aftercooled diesel engine. With a gross power output of 300 hp (223.7 kW) at a rated speed of 2100 RPM, it provides the torque required for heavy tillage and traction tasks. The liquid-cooled system ensures thermal stability during prolonged high-load operation.
Transmission Options
The 8770 offers three transmission configurations to suit varying operational requirements: a 12-speed partially synchronized Syncro transmission, a 24-speed PowrSync two-speed power shift, and a 12-speed full power shift transmission. All versions utilize a hydraulic wet disc clutch to facilitate smooth gear changes and ensure long-term reliability under stress.
Hydraulic System
Equipped with a closed-center, pressure-compensated hydraulic system, the tractor delivers a pump flow of 44.8 gpm (169.6 lpm) at a system pressure of 2530 psi. It features 3 to 5 rear remote valves, allowing for the operation of complex hydraulic implements and high-demand attachments.
Mechanical and Dimensions
Built on a 134-inch wheelbase, the 8770 has a shipping weight of 31,438 lbs, providing a stable platform for heavy draft work. It is equipped with hydrostatic power steering and inboard planetary final drives. The standard Sound-Gard cab is integrated into the design to maintain operator comfort during long field work cycles.
Conclusion
The John Deere 8770 is engineered for demanding agricultural environments where high traction and consistent power delivery are essential. Its combination of robust hydraulic output, multiple transmission choices, and durable four-wheel drive architecture makes it a versatile solution for large-acreage farming.
Production Information of John Deere, 8770
- Four-wheel Drive (4WD) tractor
- Built in Waterloo, Iowa, USA
| Manufacturer | John Deere |
|---|---|
| Original price | $114,945 |
Dimension and Tires Information of John Deere, 8770
| Wheelbase | 134 inches [340 cm] |
|---|---|
| Front axle | 3.937 by 120 inches [99 by 3048 mm] |
| Shipping weight | 31,438 lbs [14260 kg] |
| Length | 268.9 inches [683 cm] |
| Rear axle | 3.937 by 120 inches [99 by 3048 mm] |
| Weight | 32,960 lbs [14950 kg] |
| Ag front | 24.5R-32 |
|---|---|
| Ag front(optional) | 710/70R38 |
| Ag rear | 24.5R-32 |
| Ag rear(optional) | 20.8R-38 |
| Ag rear(optional) | 710/70R38 |
| Ag rear(optional) | 18.4R-38 |
| Ag rear(optional) | 18.4R-42 |
| Ag rear(optional) | 20.8R-42 |
| Ag rear(optional) | 18.4R-46 |
| Ag rear(optional) | 20.8R-38 |
| Ag rear(optional) | 18.4R-38 |
| Ag rear(optional) | 18.4R-46 |
| Ag rear(optional) | 20.8R-42 |
| Ag rear(optional) | 18.4R-42 |
Engine Specifications of John Deere, 8770
- John Deere
- Liquid-cooled
- Turbocharged aftercooled diesel
- 6-cylinder
| Starter volts | 12 |
|---|---|
| Displacement | 619 ci [10.1 L] |
| Air cleaner | Dual paper elements with aspirator |
| Bore/Stroke | 5.12x5.00 inches [130 x 127 mm] |
| Coolant capacity | 58 qts [54.9 L] |
| Oil capacity | 33.8 qts [32.0 L] |
| Rated RPM | 2100 |
| Compression | 15.75:1 |
| Power (gross) | 300 hp [223.7 kW] |
Transmission Information of John Deere, 8770
Transmission variants 1
- Three synchronized gears (1-3) in four ranges (A-D).
| Transmission | Syncro |
|---|---|
| Clutch | PermaClutch hydraulic wet disc |
| Type | Partially synchronized |
| Gears | 12 forward and 3 reverse |
Transmission variants 2
- 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 | PowrSync |
|---|---|
| Clutch | Hydraulic wet disc |
| Type | Two-speed power shift |
| Gears | 24 forward and 6 reverse |
Transmission variants 3
| Transmission | Power Shift |
|---|---|
| Clutch | Hydraulic wet disc |
| Type | Full power shift |
| Gears | 12 forward and 2 reverse |
- 12-speed partially synchronized
- 24-speed two-speed power shift
- 12-speed full power shift
Mechanical Specs of John Deere, 8770
- Four-wheel drive
- Sound-Gard cab standard.
- Hydraulic wet discs brakes
| Final drives | Inboard planetary |
|---|---|
| Steering | Hydrostatic power |
Power Information of John Deere, 8770
| Rear PTO(optional) | Independent |
|---|---|
| Clutch | Hydraulic wet disc |
| Rear PTO Type | 1000 (1.75) |
Hydraulics Specifications of John Deere, 8770
| Type | Closed center pressure compensated |
|---|---|
| Pump flow | 44.8 gpm [169.6 lpm] |
| Rear valves | 3 to 5 |
| Capacity | 38 gal [143.8 L] |
| SCV flow | 33.3 gpm [126.0 lpm] |
| Pressure | 2530 psi [174.4 bar] |
Three-Point Hitch of John Deere, 8770
| Rear Type | 3 (optional) |
|---|---|
| Control | Draft sensing |
| Rear lift | 14,980 lbs [6794 kg] |
Electrical System of John Deere, 8770
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Batteries | 2 |
| Battery CCA | 925 |
Where it sits
With 300 HP, the John Deere 8770 sits between 8570 (250 HP) and 9200 (310 HP) in John Deere's range. Its power puts it in the 97th percentile of 1990s models in our database (2097 machines).
Frequently asked questions
How much horsepower does the John Deere 8770 have?
The John Deere 8770 delivers 300 HP.
What years was the John Deere 8770 produced?
The John Deere 8770 was produced in 1993-1996.
What engine does the John Deere 8770 have?
The John Deere 8770 is powered by a Turbocharged aftercooled diesel, 6-cylinder engine.
What transmission does the John Deere 8770 use?
The John Deere 8770 uses a Syncro transmission.
How much does the John Deere 8770 weigh?
The John Deere 8770 weighs 31,438 lbs [14260 kg].
Is the John Deere 8770 4WD?
The John Deere 8770 is available in 4WD.