AGCO Allis 6680
The AGCO Allis 6680 is a tractor produced by Agco Allis. It is equipped with a 244 ci 4.0 L engine. The rated power output is 79.27 hp 59.1 kW. Transmission: 30 forward and reverse. Operating weight: 6724 to 7385 pounds.
Engine Power
79.27 hp
59.1 kW
Fuel & Capacities
28.27 gal
107.0 L
Transmission
30 forward and reverse
Operating Weight
6724 to 7385 pounds
Agco Allis 6680 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
![]() | 1991 - 1997
6600 SeriesUtility tractorSAME built |
|---|---|
1991 - 1997 | |
6600 Series | |
Utility tractor | |
SAME built | |
1991 - 1997 | |
|---|---|
6600 Series | |
Utility tractor | |
SAME built |
Production | |
|---|---|
Distributor | AGCO Allis |
Manufacturer | SAME |
Utility tractor | |
Built in Italy | |
Original price was $40,000 in 1997 | |
Variants | |
|---|---|
5680 | ROPS |
6680 | Cab |
Explorer II 80 | similar SAME model |
AGCO Allis 6680 Engine | |
|---|---|
SLH 4.0L 4-cyl diesel | |
Engine details ... |
AGCO Allis 6680 Power | |
|---|---|
Engine | 79.27 hp
59.1 kW |
PTO (claimed) | 72.7 hp
54.2 kW |
Drawbar (tested) | 62.09 hp
46.3 kW |
PTO (tested) | 72.7 hp
54.2 kW |
Performance test details ... | |
Mechanical | |
|---|---|
Two- or four-wheel drive | |
Differential lock | mechanical foot-actuated rear |
Power steering | |
Hydraulic wet disc brakes | |
Cab standard with air-conditioning. | |
Capacity | |
|---|---|
Fuel | 28.27 gal
107.0 L |
Hydraulic system | 15.2 gal
57.5 L |
Hydraulics | |
|---|---|
Type | open center |
Capacity | 15.2 gal
57.5 L |
Pressure | 2610 psi
180.0 bar |
Valves | 2 |
Pump flow | 11.1 gpm
42.0 lpm |
Tractor hitch | |
|---|---|
Rear Type | II/I |
Control | position and draft control with lower-link sensing |
Rear lift (at ends) | 6,790 lbs
3079 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Clutch | 124.5mm hydraulic wet disc |
Rear PTO Type | 540/1000 (1.375) |
Engine RPM | 540@2200 |
1000@2450 | |
Dimensions & Tires | |
|---|---|
2WD Wheelbase | 96.4 inches
244 cm |
4WD Wheelbase | 92.8 inches
235 cm |
Weight | 6724 to 7385 pounds |
Front tire | 7.50-18 |
Rear tire | 16.9R34 (2WD) |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 55 |
Battery volts | 12 |
Battery AH | 100 |
References | |
|---|---|
![]() | |
6600 Series published in 1991, by AGCO |
Engine
![]() | 1991 - 1997
6600 SeriesUtility tractorSAME built |
|---|---|
1991 - 1997 | |
6600 Series | |
Utility tractor | |
SAME built | |
1991 - 1997 | |
|---|---|
6600 Series | |
Utility tractor | |
SAME built |
Engine Detail — 244 ci / 4.0 L Diesel
Manufacturer | SLH 1000.4-A |
Fuel Type | Diesel |
Configuration | 4-cylinder, air-cooled |
Displacement | 244 ci
4.0 L |
Bore/Stroke | 4.13x4.55 inches
105 x 116 mm |
Power | 79.27 hp
59.1 kW |
Air cleaner | dry element |
Compression | 17:1 |
Rated RPM | 2500 |
Idle RPM | 650-2710 |
Starter volts | 12 |
Starter power | 4.7 hp
3.5 kW |
Oil capacity | 9.7 qts
9.2 L |
Transmission
![]() | 1991 - 1997
6600 SeriesUtility tractorSAME built |
|---|---|
1991 - 1997 | |
6600 Series | |
Utility tractor | |
SAME built | |
1991 - 1997 | |
|---|---|
6600 Series | |
Utility tractor | |
SAME built |
Transmission options | |
|---|---|
12-speed synchromesh | |
24-speed | |
16-speed | |
30-speed partial power shift |
Transmission — 12 forward and reverse synchromesh
Type | synchromesh |
Gears | 12 forward and reverse |
Clutch | 305mm dry disc |
Oil capacity | 61 qts
57.7 L |
Four synchronized gears in three ranges. | |
With 16.9R34 rear tires. | |
![]() | |
Transmission — 24 forward and 12 reverse
Gears | 24 forward and 12 reverse |
Transmission — 16 forward and reverse
Gears | 16 forward and reverse |
Transmission — 30 forward and reverse partial power shift
Type | partial power shift |
Gears | 30 forward and reverse |
Five gears (1-5) in three ranges (L/M/H) with high-low power shift. | |
Dimensions
![]() | 1991 - 1997
6600 SeriesUtility tractorSAME built |
|---|---|
1991 - 1997 | |
6600 Series | |
Utility tractor | |
SAME built | |
1991 - 1997 | |
|---|---|
6600 Series | |
Utility tractor | |
SAME built |
AGCO Allis 6680 Tires | |
|---|---|
Standard tires (ag) | Front: 7.50-18. Rear: 16.9R34 (2WD) |
Front: 14.9R24. Rear: 16.9R34 (4WD) | |
Dimensions | |
|---|---|
2WD Wheelbase | 96.4 inches
244 cm |
4WD Wheelbase | 92.8 inches
235 cm |
Length | 161 inches
408 cm |
Width | 82.4 inches
209 cm |
Height | 111.2 inches
282 cm |
Ground clearance | 17.6 inches
44 cm |
Flange rear axle | |
AGCO Allis 6680 Weight | |
|---|---|
2WD Shipping | 6,724 lbs
3050 kg |
4WD Shipping | 7,385 lbs
3349 kg |
2WD Max capacity | 11,464 lbs
5200 kg |
4WD Max capacity | 12,015 lbs
5450 kg |
Tests
![]() | 1991 - 1997
6600 SeriesUtility tractorSAME built |
|---|---|
1991 - 1997 | |
6600 Series | |
Utility tractor | |
SAME built | |
1991 - 1997 | |
|---|---|
6600 Series | |
Utility tractor | |
SAME built |
OCED Tractor Test 1091 | |
|---|---|
Diesel 12-speed 4WD
7/1987
Link: OCED Tractor Test 1091 file | |
PTO performance | |
Power at rated engine speed | 72.7 hp
54.2 kW |
Fuel use | 4.4 gal/hour
16.7 l/hour |
Drawbar performance | |
Max power | 62.09 hp
46.3 kW |
Fuel use | 5.2 gal/hour
19.7 l/hour |
Gear 3N used for power test. | |
Max pull | 5860 lbs
2658 kg |
Gear 3N used for pull test. | |
Photos
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