Massey Ferguson 8680

Last Updated: July 2024

Overview

The Massey Ferguson 8680 is a powerful row-crop tractor with a 4x4 MFWD 4WD chassis and a AGCO SISU POWER 84CTA 8.4-liter six-cylinder turbocharged intercooled diesel engine. Based on independent test results, it delivers 281.2 horsepower at the rated engine speed of 2100 RPM with a displacement of 513 cubic inches. Key performance metrics include a maximum torque of 1056 lb-ft at 1500 RPM, hydraulic system capabilities with a maximum force of 24,590 lbs and pump delivery of 51 GPM, and fuel efficiency of 0.372 lb/hp.hr at rated power. The tractor rides on 600/65R34 front and 710/75R42 rear agricultural tires, with an operating weight of 25,200 pounds. It features a CVT transmission, power steering, and a Category III/IV rear hitch with a lift capacity of 26,460 lbs.
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Key Specifications

Category: Row Crop

Power Output: 281.2

Transmission: Continuously Variable Transmission (CVT)

Drive Type: 4WD

Operating Weight: 25,200

Fuel Type: Diesel

Massey Ferguson 8680 vs. Similar Tractors

Power Output
Above Average
Greater than 89% of similar tractors.
Operating Weight
Below Average
Greater than 14% of similar tractors.

Technical Specifications

Engine

Manufacturer
AGCO SISU POWER
Model
84CTA
Cooling Type
Liquid-cooled
Cylinder Orientation
Inline
Valve Configuration
-
Fuel Type
Diesel
Induction Type
Turbocharged intercooled
Cylinders
6
Displacement (ci)
513.0
Bore (in)
4.37
Stroke (in)
5.71
Rated RPM
2100
Power Output (hp)
281.2

Transmission

Type
Continuously Variable Transmission (CVT)
Forward Gears
Infinite
Reverse Gears
Infinite
Total Gears
Infinite

Dimensions

Length (in)
223.2
Width (in)
-
Height (in)
133.1
Operating Weight (lb)
25,200

Power Take-Off (PTO)

PTO Type
Independent with electro-hydraulic clutch
PTO Speed 1 (rpm)
1000
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x4 MFWD 4WD
Drive Type
4WD
Steering Type
Power
Coolant Capacity (qts)
-
Front Tire Diameter (in)
-
Front Tire Width (in)
-
Rear Tire Diameter (in)
-
Rear Tire Width (in)
-
Front/Rear Rim Diameter (in)
-
Tire Type
Ag: Front: 600/65R34, Rear: 710/75R42
Manufacture - End Year
2013
Hitch Type
Category III/Category IV/Drawbar
Hitch Category
III
Hitch Position
Rear
Hitch Capacity (lb)
26,460 Terminal; 11,020 at ends
Operator Station Type
Cab with heat and air-conditioning
Starter Type
Electric
Brake Type
Hydraulic wet disc
Hydraulic System Type
Closed center pressure flow compensated (PFC)

Test Results

Nebraska Tractor Test Laboratory - Test Date: October 2008 to March 2009

Maximum Power and Fuel Consumption

  • Maximum Power: 316.6 HP (236.1 kW) at 1850 rpm
  • Fuel Consumption at Maximum Power: 15.60 Gal/hr (59.07 l/h) with a fuel efficiency of 0.343 lb/hp.hr (0.209 kg/kW.h) and 20.30 Hp.hr/gal (4.00 kW.h/l)
  • Power at Rated Engine Speed: 281.2 HP (209.7 kW) at 2200 rpm with a fuel consumption of 15.01 Gal/hr (56.82 l/h) and a fuel efficiency of 0.372 lb/hp.hr (0.227 kg/kW.h)

Drawbar Performance

  • Maximum Drawbar Power: 266.1 HP (198.4 kW) with a drawbar pull of 23060 lbs (102.58 kN) at 4.33 mph (6.96 km/h)
  • Fuel Consumption at Maximum Drawbar Power: 0.411 lb/hp.hr (0.250 kg/kW.h) and 16.95 Hp.hr/gal (3.34 kW.h/l)
  • Torque Rise: 57.4% with a maximum torque of 1056 lb.-ft. (1432 Nm) at 1500 rpm

Hydraulic Performance

  • Maximum Force Exerted through Whole Range: 24590 lbs (109.4 kN)
  • Pump Delivery Rate at Minimum Pressure: 51.0 GPM (193.2 l/min) at rated engine speed
  • Hydraulic Power: 75.6 HP (56.4 kW) at delivery pressure of 2770 psi (191 bar)

Overall Efficiency

  • Fuel Efficiency at Standard PTO Speed (1000 rpm): 19.56 Hp.hr/gal (3.85 kW.h/l)
  • Fuel Consumption at Standard PTO Speed: 15.69 Gal/hr (59.39 l/h) at 2035 rpm



Nebraska Tractor Test Lab. (2008). Nebraska Summary: S651 Massey Ferguson 8680. University of Nebraska-Lincoln. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/3158

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