Embed

Paste on your site — shows live UK/US specs and links back here. Free to use.

<iframe src="https://farmfleetspecs.com/embed/agco-allis-6680" width="100%" height="430" loading="lazy" style="border:1px solid #e6e8e4;border-radius:14px;max-width:560px" title="AGCO Allis 6680 specs — FarmFleetSpecs"></iframe>

Tractor · 1991Unverified

AGCO Allis 6680

Name: AGCO Allis 6680
Brand: AGCO Allis

AGCO Allis 6680 — Utility tractor · 73 hp. Reference specifications; pending source verification.

The AGCO Allis 6680 tractor has a rated output of 73 hp, placing it in the middle of its class in terms of power. It was manufactured between 1991 and 1997. The 4-cylinder diesel air-cooled engine powers a four-wheel drive system with a powershift transmission. The tractor weighs between 6724 and 7385 pounds, suitable for operations covering up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

73 hp

Max power

46.3 kW

Weight

6724 to 7385 pounds

Catalogue coverage

Variants represented

Richest spec table

99 rows

Recorded power

73 hp

Transmissions

12-speed synchromesh

Production years

1991-1997

Verified variants

No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.

Hover a source tag to verify

Overview

DistributorAGCO AllisReference

ManufacturerSAMEReference

Utility tractorReference

Built in ItalyReference

Original price was $40,000 in 1997Reference

Two- or four-wheel driveReference

Differential lockmechanical foot-actuated rearReference

Power steeringReference

Hydraulic wet disc brakesReference

Cab standard with air-conditioning.Reference

Variants

5680ROPSReference

6680CabReference

Explorer II 80similar SAME modelReference

Engine

SLH 4.0L 4-cyl dieselReference

Engine59.1 kWReference

Drawbar (tested)46.3 kWReference

SLH 1000.4-AReference

dieselReference

4-cylinderReference

air-cooledReference

Displacement4.0 LReference

Bore/Stroke105 x 116 mmReference

Power59.1 kWReference

Air cleanerdry elementReference

Compression17:1Reference

Rated RPM2500Reference

Idle RPM650-2710Reference

Starter volts12Reference

Starter power3.5 kWReference

Oil capacity9.2 LReference

Power at rated engine speed54.2 kWReference

Max power46.3 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)54.2 kWReference

PTO (tested)54.2 kWReference

Hydraulic system57.5 LReference

Typeopen centerReference

Capacity57.5 LReference

Pressure180.0 barReference

Valves2Reference

Pump flow42.0 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

6680 Serial Numbers

Location:Console, right sideReference

19911001Reference

19921147Reference

19931157Reference

19941242Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference

Charging systemalternatorReference

Charging amps55Reference

Battery volts12Reference

Battery AH100Reference

Test results

Diesel 12-speed 4WD7/1987Link: OCED Tractor Test 1091 fileReference

PTO performanceReference

Fuel use16.7 l/hourReference

Drawbar performanceReference

Fuel use19.7 l/hourReference

Gear 3N used for power test.Reference

Max pull2658 kgReference

Gear 3N used for pull test.Reference

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.

Partner tool · Free

Working out if you can afford this tractor?

YourIncomeCalculator.com — free, HMRC-aligned take-home pay, self-employment & VAT calculators. No sign-up.

Calculate your take-home pay

Recommended kit

Handy kit for owners

Popular tractor and farm accessories owners pick up for machines like this.

Disclosure: some links on this page are affiliate links. If you buy through them we may earn a small commission — at no extra cost to you. Learn more.