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John Deere 8770

John Deere 8770 tractor
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The John Deere 8770 is a four-wheel drive (4WD) tractor produced from 1993 to 1996 as part of the 8070 Series. Built in Waterloo, Iowa, USA, it features a John Deere 10.1L 6-cylinder turbocharged aftercooled diesel engine producing 300 hp gross. The tractor offers multiple transmission options including 12-speed partially synchronized, 24-speed two-speed power shift, and 12-speed full power shift. It has a wheelbase of 134 inches, weighs up to 32,960 lbs, and includes advanced hydraulics and PTO capabilities. The 8770 is known for its robust mechanical features such as inboard planetary final drives, hydrostatic power steering, and hydraulic wet disc brakes, with a Sound-Gard cab as standard.
John Deere 8770tractorspecificationsenginetransmissiondimensionshydraulics4WDfarm tractor
Power300 hp
Founded1993 - 1996
Model8770

Technical Specifications

Detailed specifications and technical data for John Deere 8770

Power

PTO (tested):259.31 hp (193.4 kW)
PTO (claimed):256 hp (190.9 kW)
Engine (gross):300 hp (223.7 kW)
Drawbar (tested):242.52 hp (180.8 kW)

Tires

Ag rear:24.5R-32, 18.4R-38, 20.8R-38, 710/70R38, 18.4R-42, 20.8R-42, 18.4R-46
Ag front:24.5R-32, 18.4R-38, 20.8R-38, 710/70R38, 18.4R-42, 20.8R-42, 18.4R-46

Engine

Type:turbocharged aftercooled diesel
Cooling:liquid-cooled
Cylinders:6-cylinder
Rated RPM:2100
Air cleaner:dual paper elements with aspirator
Bore/Stroke:5.12x5.00 inches (130 x 127 mm)
Compression:15.75:1
Displacement:619 ci (10.1 L)
Manufacturer:John Deere
Oil capacity:33.8 qts (32.0 L)
Power (gross):300 hp (223.7 kW)
Starter volts:12
Coolant capacity:58 qts (54.9 L)

Capacity

Fuel:220 gal (832.7 L)
Hydraulic system:38 gal (143.8 L)

Dimensions

Length:268.9 inches (683 cm)
Weight:32,960 lbs (14950 kg)
Rear axle:3.937 by 120 inches (99 by 3048 mm)
Wheelbase:134 inches (340 cm)
Front axle:3.937 by 120 inches (99 by 3048 mm)
Shipping weight:31,438 lbs (14260 kg)

Electrical

Ground:negative
Batteries:2
Battery CCA:925
Battery volts:12

Hydraulics

Type:closed center pressure compensated
Capacity:38 gal (143.8 L)
Pressure:2530 psi (174.4 bar)
SCV flow:33.3 gpm (126.0 lpm)
Pump flow:44.8 gpm (169.6 lpm)
Rear valves:3 to 5

Mechanical

Cab:Sound-Gard cab standard
Drive:Four-wheel drive
Brakes:Hydraulic wet discs brakes
Steering:hydrostatic power
Final drives:inboard planetary

Production

Type:Four-wheel Drive (4WD) tractor
Series:8070 Series
Built in:Waterloo, Iowa, USA
Original price:$114,945
Years produced:1993 - 1996

Transmission

Options:12-speed partially synchronized, 24-speed two-speed power shift, 12-speed full power shift

12-speed full power shift

Type:full power shift
Gears:12 forward and 2 reverse
Clutch:hydraulic wet disc
Transmission:Power Shift

24-speed two-speed power shift

Type:two-speed power shift
Gears:24 forward and 6 reverse
Notes: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.
Clutch:hydraulic wet disc
Transmission:PowrSync

12-speed partially synchronized

Type:partially synchronized
Gears:12 forward and 3 reverse
Notes:Three synchronized gears (1-3) in four ranges (A-D).
Clutch:PermaClutch hydraulic wet disc
Transmission:Syncro

Tractor hitch

Control:draft sensing
Rear Type:3 (optional)
Rear lift:14,980 lbs (6794 kg)

Serial Numbers

1993:1001
1994:1771
1995:2795
1996:4001
Location:Left side of tractor hinge.

Power Take-off (PTO)

Clutch:hydraulic wet disc
Rear PTO:independent Optional
Rear PTO Type:1000 (1.75)

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