Tractor · 1991Unverified
AGCO Allis 6680
AGCO Allis 6680 — Utility tractor · 73 hp. Reference specifications; pending source verification.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
73 hp
Max power
46.3 kW
Weight
6724 to 7385 pounds
Hover a source tag to verify
Overview
DistributorAGCO AllisReference
ManufacturerSAMEReference
Utility tractorReference
Built in ItalyReference
Original price was $40,000 in 1997Reference
Two- or four-wheel driveReference
Differential lockmechanical foot-actuated rearReference
Power steeringReference
Hydraulic wet disc brakesReference
Cab standard with air-conditioning.Reference
Variants
5680ROPSReference
6680CabReference
Explorer II 80similar SAME modelReference
Engine
SLH 4.0L 4-cyl dieselReference
Engine59.1 kWReference
Drawbar (tested)46.3 kWReference
SLH 1000.4-AReference
dieselReference
4-cylinderReference
air-cooledReference
Displacement4.0 LReference
Bore/Stroke105 x 116 mmReference
Power59.1 kWReference
Air cleanerdry elementReference
Compression17:1Reference
Rated RPM2500Reference
Idle RPM650-2710Reference
Starter volts12Reference
Starter power3.5 kWReference
Oil capacity9.2 LReference
Power at rated engine speed54.2 kWReference
Max power46.3 kWReference
Transmission
12-speed synchromeshReference
24-speedReference
16-speedReference
30-speed partial power shiftReference
TypesynchromeshReference
Gears12 forward and reverseReference
Clutch305mm dry discReference
Oil capacity57.7 LReference
Four synchronized gears in three ranges.Reference
Gears24 forward and 12 reverseReference
Gears16 forward and reverseReference
Typepartial power shiftReference
Gears30 forward and reverseReference
Five gears (1-5) in three ranges (L/M/H) with high-low power shift.Reference
PTO & Hydraulics
PTO (claimed)54.2 kWReference
PTO (tested)54.2 kWReference
Hydraulic system57.5 LReference
Typeopen centerReference
Capacity57.5 LReference
Pressure180.0 barReference
Valves2Reference
Pump flow42.0 lpmReference
Rear TypeII/IReference
Controlposition and draft control with lower-link sensingReference
Rear lift (at ends)3079 kgReference
Rear PTOindependentReference
Clutch124.5mm hydraulic wet discReference
Rear PTO Type540/1000 (1.375)Reference
Engine RPM540@2200Reference
Engine RPM1000@2450Reference
Capacities
Fuel107.0 LReference
2WD Max capacity5200 kgReference
4WD Max capacity5450 kgReference
Dimensions
2WD Wheelbase244 cmReference
4WD Wheelbase235 cmReference
Weight6724 to 7385 poundsReference
Front tire7.50-18Reference
Rear tire16.9R34 (2WD)Reference
Standard tires (ag)Front: 7.50-18. Rear: 16.9R34 (2WD)Reference
Standard tires (ag)Front: 14.9R24. Rear: 16.9R34 (4WD)Reference
Length408 cmReference
Width209 cmReference
Height282 cmReference
Ground clearance44 cmReference
Flange rear axleReference
2WD Shipping3050 kgReference
4WD Shipping3349 kgReference
6680 Serial Numbers
Location:Console, right sideReference
19911001Reference
19921147Reference
19931157Reference
19941242Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Charging amps55Reference
Battery volts12Reference
Battery AH100Reference
Test results
Diesel 12-speed 4WD7/1987Link: OCED Tractor Test 1091 fileReference
PTO performanceReference
Fuel use16.7 l/hourReference
Drawbar performanceReference
Fuel use19.7 l/hourReference
Gear 3N used for power test.Reference
Max pull2658 kgReference
Gear 3N used for pull test.Reference
Speeds
With 16.9R34 rear tires.Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.