AGCO Allis 6680
The AGCO Allis 6680 is a utility tractor built by SAME and distributed by AGCO Allis from 1991 to 1997. It belongs to the 6600 Series and was built in Italy. The tractor features a 4.0L 4-cylinder air-cooled diesel engine producing 79.27 hp (59.1 kW). It offers multiple transmission options including 12-speed synchromesh, 24-speed, 16-speed, and 30-speed partial power shift. The tractor has two- or four-wheel drive, mechanical foot-actuated rear differential lock, power steering, hydraulic wet disc brakes, and a cab with air-conditioning. Fuel capacity is 28.27 gallons (107.0 L) and hydraulic system capacity is 15.2 gallons (57.5 L). The rear hitch is type II/I with position and draft control and a rear lift capacity of 6,790 lbs (3079 kg). The PTO is independent with 540/1000 RPM options. Dimensions include a 2WD wheelbase of 96.4 inches (244 cm), 4WD wheelbase of 92.8 inches (235 cm), length of 161 inches (408 cm), width of 82.4 inches (209 cm), and height of 111.2 inches (282 cm). Shipping weight ranges from 6,724 to 7,385 lbs depending on configuration. Standard tires vary by drive type. Electrical system features a 12-volt battery and 55 amp alternator. Original price was approximately $40,000 in 1997.
Power79 hp
Founded1991 - 1997
Model6680
Technical Specifications
Detailed specifications and technical data for AGCO Allis 6680
Power
| Engine | 79.27 hp (59.1 kW) |
|---|---|
| PTO (tested) | 72.7 hp (54.2 kW) |
| PTO (claimed) | 72.7 hp (54.2 kW) |
| Drawbar (tested) | 62.09 hp (46.3 kW) |
Tires
| Standard tires (ag) | Front: 7.50-18. Rear: 16.9R34 (2WD), Front: 14.9R24. Rear: 16.9R34 (4WD) |
|---|
Engine
| Type | diesel |
|---|---|
| Model | SLH 1000.4-A |
| Power | 79.27 hp (59.1 kW) |
| Cooling | air-cooled |
| Idle RPM | 650-2710 |
| Cylinders | 4-cylinder |
| Rated RPM | 2500 |
| Air cleaner | dry element |
| Bore/Stroke | 4.13x4.55 inches (105 x 116 mm) |
| Compression | 17:1 |
| Displacement | 244 ci (4.0 L) |
| Oil capacity | 9.7 qts (9.2 L) |
| Starter power | 4.7 hp (3.5 kW) |
| Starter volts | 12 |
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) |
Capacity
| Fuel | 28.27 gal (107.0 L) |
|---|---|
| Hydraulic system | 15.2 gal (57.5 L) |
Variants
| 5680 | ROPS |
|---|---|
| 6680 | Cab |
| Explorer II 80 | similar SAME model |
Dimensions
| Width | 82.4 inches (209 cm) |
|---|---|
| Height | 111.2 inches (282 cm) |
| Length | 161 inches (408 cm) |
| 2WD Wheelbase | 96.4 inches (244 cm) |
| 4WD Wheelbase | 92.8 inches (235 cm) |
| Ground clearance | 17.6 inches (44 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery AH | 100 |
| Battery volts | 12 |
| Charging amps | 55 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Valves | 2 |
| Capacity | 15.2 gal (57.5 L) |
| Pressure | 2610 psi (180.0 bar) |
| Pump flow | 11.1 gpm (42.0 lpm) |
Mechanical
| Cab | standard with air-conditioning |
|---|---|
| Drive | Two- or four-wheel drive |
| Brakes | Hydraulic wet disc brakes |
| Power steering | Yes |
| Differential lock | mechanical foot-actuated rear |
Production
| Type | Utility tractor |
|---|---|
| Series | 6600 Series |
| Built in | Italy |
| Distributor | AGCO Allis |
| Manufacturer | SAME |
| Original price | $40,000 in 1997 |
| Years produced | 1991 - 1997 |
Transmission
| Type | synchromesh |
|---|---|
| Gears | 12 forward and reverse |
| Clutch | 305mm dry disc |
| Details | Four synchronized gears in three ranges. |
| Options | 12-speed synchromesh, 24-speed, 16-speed, 30-speed partial power shift |
| Oil capacity | 61 qts (57.7 L) |
| Additional gears | 24 forward and 12 reverse, 16 forward and reverse, 30 forward and reverse partial power shift |
| Partial power shift details | Five gears (1-5) in three ranges (L/M/H) with high-low power shift. |
Tractor hitch
| Control | position and draft control with lower-link sensing |
|---|---|
| Rear Type | II/I |
| Rear lift (at ends) | 6,790 lbs (3079 kg) |
Power Take-off (PTO)
| Clutch | 124.5mm hydraulic wet disc |
|---|---|
| Rear PTO | independent |
| Engine RPM | 540@2200, 1000@2450 |
| Rear PTO Type | 540/1000 (1.375) |
