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Years in Production / 1991–1997
AGCO Allis
6680
Explore the specifications, hardware, and original references for the AGCO Allis 6680.
No photo
79hp
Source index power
MFWD Optional
Drive
1991–1997
Production years
AGCO Allis
Manufacturer
6680 / 01
At a glance
Production
Utility tractor
Built in Italy
Original price was $40,000 in 1997
- Distributor
- AGCO Allis
- Manufacturer
- SAME
Mechanical
Two- or four-wheel drive
Power steering
Hydraulic wet disc brakes
Cab standard with air-conditioning.
- Differential Lock
- mechanical foot-actuated rear
Capacity
- Fuel
- 28.27 gal107.0 L
- Hydraulic System
- 15.2 gal57.5 L
Hydraulics
- Type
- open center
- Capacity
- 15.2 gal57.5 L
- Pressure
- 2610 psi180.0 bar
- Valves
- 2
- Pump Flow
- 11.1 gpm42.0 lpm
Hitch
- Rear Type
- II/I
- Control
- position and draft control with lower-link sensing
- Rear Lift At Ends
- 6,790 lbs3079 kg
Pto
- Rear Pto
- independent
- Clutch
- 124.5mm hydraulic wet disc
- Rear Type
- 540/1000 (1.375)
- Engine Rpm
- 540@2200
- Engine Rpm
- 1000@2450
Electrical
- Ground
- negative
- Charging System
- alternator
- Charging Amps
- 55
- Battery Volts
- 12
- Battery Ah
- 100
6680 / 02
Under the hood
Engine Detail
SLH 1000.4-A
diesel
4-cylinder
air-cooled
- Displacement
- 244 ci4.0 L
- Bore Stroke
- 4.13x4.55 inches105 x 116 mm
- Power
- 79.27 hp59.1 kW
- Air Cleaner
- dry element
- Compression Ratio
- 17:1
- Rated Rpm
- 2500
- Idle Rpm
- 650-2710
- Starter Volts
- 12
- Starter Power
- 4.7 hp3.5 kW
- Oil Capacity
- 9.7 qts9.2 L
- Fuel Type
- diesel
- Cylinders
- 4
- Cooling
- air-cooled
6680 / 03
Gears & controls
Transmission (Option 1)
Four synchronized gears in three ranges.
- Transmission Type
- synchromesh
- Gears
- 12 forward and reverse
- Clutch
- 305mm dry disc
- Oil Capacity
- 61 qts57.7 L
Transmission (Option 2)
- Gears
- 24 forward and 12 reverse
Transmission (Option 3)
- Gears
- 16 forward and reverse
Transmission (Option 4)
Five gears (1-5) in three ranges (L/M/H) with high-low power shift.
- Transmission Type
- partial power shift
- Gears
- 30 forward and reverse
6680 / 04
Size. Stance. Footprint.
Dimensions
- Length
- 161 in408 cm
- Width
- 82.4 in209 cm
- Height
- 111.2 in282 cm
- Wheelbase
- 92.8 in235 cm
- Ground clearance
- 17.6 in44 cm
Dimensions And Tires
- 2wd Wheelbase
- 96.4 inches244 cm
- 4wd Wheelbase
- 92.8 inches235 cm
- Weight
- 6724 to 7385 pounds
- Front Tire
- 7.50-18
- Rear Tire
- 16.9R342WD
Tires And Tracks
- Standard Tires Ag
- Front: 7.50-18. Rear: 16.9R342WD
- Standard Tires Ag
- Front: 14.9R24. Rear: 16.9R344WD
6680 / 05
Tests (NTTL)
Oced Tractor Test1091
Diesel 12-speed 4WD7/1987Link: OCED Tractor Test 1091 file
PTO performance
Drawbar performance
Gear 3N used for power test.
Gear 3N used for pull test.
- Power At Rated Engine Speed
- 72.7 hp54.2 kW
- Fuel Use
- 4.4 gal/hour16.7 l/hour
- Fuel Use
- 5.2 gal/hour19.7 l/hour
- Max Power
- 62.09 hp46.3 kW
- Max Pull
- 5860 lbs2658 kg