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Years in Production / 1991–1997

AGCO Allis

6690

Explore the specifications, hardware, and original references for the AGCO Allis 6690.

Generic tractor; no model photo available
No photo

86hp

Source index power

MFWD Optional

Drive

1991–1997

Production years

AGCO Allis

Manufacturer

6690 / 01

At a glance

Production

Utility tractor

Built in Italy

Original price was $35,000 in 1997

Distributor
AGCO Allis
Manufacturer
SAME

Capacity

Fuel
28.27 gal107.0 L
Hydraulic System
15.2 gal57.5 L

Hydraulics

Type
open center
Capacity
15.2 gal57.5 L
Valves
2
Pump Flow
11.23 gpm42.5 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

Mechanical

Two- or four-wheel drive

Power steering

Hydraulic wet disc brakes

Flat-deck with four-post ROPS. Cab optional with air-conditioning.

6690 / 02

Under the hood

Engine Detail

SLH 1000.4-AT

turbocharged diesel

4-cylinder

air-cooled

Displacement
244 ci4.0 L
Bore Stroke
4.13x4.55 inches105 x 116 mm
Power
86.91 hp64.8 kW
Air Cleaner
dry element
Pre Heating
thermostart
Rated Rpm
2500
Idle Rpm
650-2710
Starter Volts
12
Oil Capacity
9.2 qts8.7 L
Cylinders
4
Cooling
air-cooled

6690 / 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

6690 / 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

6690 / 05

Tests (NTTL)

Oced Tractor Test1080

Diesel 12-speed 5/1987Link: OCED Tractor Test 1080 file

PTO performance

Drawbar performance

Power At Rated Engine Speed
80.85 hp60.3 kW
Fuel Use
4.7 gal/hour17.8 l/hour
Fuel Use
5.3 gal/hour20.1 l/hour
Max Power
68.53 hp51.1 kW