Wikitractor

John Deere 8770

Production ended · 4WD

PTO power · claimed

256 hp

Weight
31,438 lb
Engines
1 Diesel
Built
no record
Price new
no record

Power

Engine300 hp gross
PTO256 hp claimed
PTO, tested259.3 hp
Drawbar242.5 hp tested
Listed power300 hp engine basis

Engines

John Deere 10.1L 6-cyl dieselDiesel · 6 cyl619 ci
Engine details
John Deere 10.1L 6-cyl diesel
Bore × stroke
5.12 in × 5 in
Rated speed
2,100 rpm
Rated power
300 hp
Compression
15.75:1
Cooling
liquid-cooled

Transmissions

Syncropartially synchronized12F / 3R
PowrSynctwo-speed power shift24F / 6R
Power Shiftfull power shift12F / 2R
Transmission notes

Syncro: Three synchronized gears (1-3) in four ranges (A-D).

PowrSync: 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.

Weight

Weight31,438 lb shipping
Shipping31,438 lb

Dimensions

Wheelbase134 in
Length268.9 in

Capacities

Fuel tank220 gal
Hydraulic system38 gal

Hydraulics

Systemclosed center pressure compensated
Pump flow44.8 gpm
Remote valve flow33.3 gpm
Pressure2,530 psi
Rear valves3 to 5

Hitch

Rear hitch category3 (optional)
Controldraft sensing
Rear lift capacity14,980 lb

PTO

Rear PTOindependent
Rear PTO speeds1000 (1.75)
Clutchhydraulic wet disc

Chassis

Drive4WD
Steeringhydrostatic power
BrakesHydraulic wet discs brakes
Final drivesinboard planetary
CabSound-Gard cab standard

Tires

Front24.5R-32
Rear24.5R-32

Electrical

System voltage12 V
Batteries2
Cold cranking925 CCA
Groundnegative

Production

FactoriesWaterloo, Iowa, USA
Built byJohn Deere

Serial numbers

Left side of tractor hinge.

YearFirst serial
19931001
19941771
19952795
19964001

Literature

  • 250- to 400-HP 70 Series Tractors John Deere, 1995