AGCO Allis 6690

AGCO Allis 6690 Utility tractor Technical Specifications

AGCO Allis 6690 is a Row-Crop tractor that was produced by the John Deere between 1991 – 1997.

Below you will find detailed technical specifications for AGCO Allis 6690 covering engine types, horsepower ratings, weight, height, fuel type and tank volume, oil capacity and type, hydraulic system diagram, wiring diagram, battery specs, etc.

AGCO Allis 6690 Production

Distributor: AGCO Allis
Manufacturer: SAME
Type: Utility tractor
Factory: Italy
Original price: $35,000 (1997)

AGCO Allis 6690 Power

Engine: 86.91 hp
64.8 kW
PTO (claimed): 80.88 hp
60.3 kW
Drawbar (tested): 68.53 hp
51.1 kW
PTO (tested): 80.85 hp
60.3 kW

AGCO Allis 6690 Electrical

Ground: negative
Charging system: alternator
Charging amps: 55
Battery volts: 12
Battery AH: 100

AGCO Allis 6690 Mechanical

Chassis: 4×2 2WD
  4×4 MFWD 4WD (optional)
Steering: hydrostatic power
Brakes: hydrualic wet disc
Cab: Flat-deck with four-post ROPS. Cab optional with air-conditioning.
Transmissions: 12-speed synchromesh
  30-speed partial power shift


Fuel: 28.27 gal
107.0 L
Hydraulic system: 15.2 gal
57.5 L


Type: open center
Capacity: 15.2 gal
57.5 L
Valves: 2
Pump flow: 11.23 gpm
42.5 lpm

Tracktor 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 RPM: 540/1000 (1.375)
Engine RPM: 540@2200

AGCO Allis 6690 Engine detail

Engine Detail
SLH 1000.4-AT
turbocharged diesel
Displacement: 244 ci
4.0 L
Bore/Stroke: 4.13×4.55 inches
105 x 116 mm
Power: 86.91 hp
64.8 kW
Air cleaner: dry element
Pre-heating: thermostart
Rated RPM: 2500
Idle RPM: 650-2710
Starter volts: 12
Oil capacity: 9.2 qts
8.7 L

AGCO Allis 6690 Transmission overview

Engine Oil

Type: synchromesh
Gears: 12 forward and reverse
Clutch: 305mm dry disc
Oil capacity: 61 qts
57.7 L
Four synchronized gears in three ranges.

AGCO Allis 6690 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
Rear axle: Flange

AGCO Allis 6690 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

AGCO Allis 6690 Tests

OCED Tractor Test 1080
Diesel 12-speed
PTO performance
Power at rated engine speed: 80.85 hp
60.3 kW
Fuel use: 4.7 gal/hour
17.8 l/hour
Drawbar performance
Max power: 68.53 hp
51.1 kW
Fuel use: 5.3 gal/hour
20.1 l/hour


Is AGCO Allis 6690 a good tractor?

The AGCO Allis 6690 is one of the great tractors in the SAME stable, and it has earned SAME a fantastic reputation.

How much oil does a AGCO Allis 6690 take?

Check out the AGCO Allis 6690 oil capacity and oil type in the engine specs section as it may vary across the engines. Keep in mind, that older models might have their oil capacity increased over time. You may compare between the early and late oil capacity.

Do tractors have VIN numbers?

Every tractor has a VIN number. The number is usually engraved below the driver’s seat. Tractor manufacturers put the number in different places on the tractor body.

What was the last year SAME made the 6680

The AGCO Allis 6690 was an agricultural tractor model made from 1991 – 1997

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