Tractor · 1991Unverified
AGCO Allis 6690
AGCO Allis 6690 — Utility tractor · 81 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
81 hp
Max power
51.1 kW
Weight
6724 to 7385 pounds
Hover a source tag to verify
Overview
DistributorAGCO AllisReference
ManufacturerSAMEReference
Utility tractorReference
Built in ItalyReference
Original price was $35,000 in 1997Reference
Two- or four-wheel driveReference
Power steeringReference
Hydraulic wet disc brakesReference
Flat-deck with four-post ROPS. Cab optional with air-conditioning.Reference
Variants
Explorer II 90similar SAME modelReference
Engine
SLH 4.0L 4-cyl dieselReference
Engine64.8 kWReference
Drawbar (tested)51.1 kWReference
SLH 1000.4-ATReference
turbocharged dieselReference
4-cylinderReference
air-cooledReference
Displacement4.0 LReference
Bore/Stroke105 x 116 mmReference
Power64.8 kWReference
Air cleanerdry elementReference
Pre-heatingthermostartReference
Rated RPM2500Reference
Idle RPM650-2710Reference
Starter volts12Reference
Oil capacity8.7 LReference
Power at rated engine speed60.3 kWReference
Max power51.1 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)60.3 kWReference
PTO (tested)60.3 kWReference
Hydraulic system57.5 LReference
Typeopen centerReference
Capacity57.5 LReference
Valves2Reference
Pump flow42.5 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
6690 Serial Numbers
Location:Console, right sideReference
19911001Reference
19921427Reference
19931506Reference
19941669Reference
19951888Reference
19962010Reference
19972131Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundnegativeReference
Charging systemalternatorReference
Charging amps55Reference
Battery volts12Reference
Battery AH100Reference
Test results
Diesel 12-speed 5/1987Link: OCED Tractor Test 1080 fileReference
PTO performanceReference
Fuel use17.8 l/hourReference
Drawbar performanceReference
Fuel use20.1 l/hourReference
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.