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Tractor · 1957Unverified

Ford 651

Name: Ford 651
Brand: Ford

Ford 651 — 601 Workmaster Series · 48 hp. Reference specifications; pending source verification.

The Ford 651 is a compact tractor with a rated output of 48 hp. The 651 was manufactured between 1957 and 1961. It features a 4-cylinder diesel liquid-cooled engine, coupled to a 5-speed gearbox and two-wheel drive. The tractor's weight is listed at 1506 kg, suitable for tasks of approximately 200 acres.

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

Rated power

48 hp

Max power

22.0 kW

Weight

1506 kg

Catalogue coverage

Variants represented

Richest spec table

103 rows

Recorded power

48 hp

Recorded weight

1506 kg

Transmissions

5-speed unsynchronized gear

Production years

1957-1961

Verified variants

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

Hover a source tag to verify

Overview

ManufacturerFordReference

Utility tractorReference

Built in Highland Park, Michigan, USAReference

Original price was $3,222 in 1961Reference

Two-wheel driveReference

SteeringmanualReference

Steeringpower assist optionalReference

Differential mechanical expanding shoe brakesReference

Open operator station.Reference

Variants

611Select-O-Speed, no PTOReference

621Four-speed, no PTO or 3-pointReference

631Four-speed, no PTOReference

641Four-speedReference

651Five-speedReference

661Five-speed, live PTOReference

671Select-O-SpeedReference

681Select-O-Speed, dual-speed PTOReference

Engine

Ford 2.2L 4-cyl gasolineReference

Ford 2.4L 4-cyl dieselReference

Ford 2.2L 4-cyl LP gasReference

Engine (gross)36.1 kWReference

Belt (claimed)23.9 kWReference

Plows2 (14-inch)Reference

Drawbar (tested)22.0 kWReference

Belt (tested)26.7 kWReference

Ford EAE Red TigerReference

gasolineReference

4-cylinder 8-valveReference

liquid-cooled vertical inlineReference

Displacement2.2 LReference

Bore/Stroke87 x 91 mmReference

EmissionsTier 0Reference

Power (gross)36.1 kWReference

Air cleaneroil bathReference

Compression7.5:1Reference

Rated RPM2200Reference

Torque171.9 NmReference

Torque RPM1600Reference

Firing order1-2-4-3Reference

Starter volts6Reference

Coolant capacity14.2 LReference

Sparkplug14MMReference

Sparkplug gap0.635 mmReference

Sparkplug gap0.711 mmReference

Oil capacity4.7 LReference

Oil change100 hReference

FordReference

dieselReference

Displacement2.4 LReference

Bore/Stroke90 x 91 mmReference

Power (gross)31.8 kWReference

Compression16.8:1Reference

Starter volts12Reference

LP gasReference

Belt power (max)26.7 kWReference

Max power22.0 kWReference

Transmission

5-speed unsynchronized gearReference

ManufacturerFordReference

Typeunsynchronized gearReference

Gears5 forward and 1 reverseReference

Clutch254mm dry discReference

Oil capacity7.6 LReference

Oil typeSAE 80 Mild EPReference

Capacities

Fuel49.2 LReference

Rear axle7.6 LReference

PTO & Hydraulics

Hydraulic system7.6 LReference

Typeopen centerReference

Capacity7.6 LReference

Total flow15.1 lpmReference

Rear TypeIReference

Controlposition and draft controlReference

Rear lift567 kgReference

Rear PTOtransmissionReference

Rear PTO Type540 (1.375)Reference

Dimensions

Weight1506 kgReference

Front tire5.50-16Reference

Rear tire11-28Reference

Ag front5.50-16Reference

Ag rear11-28Reference

Front tread132 to 203 cmReference

Rear tread132 to 193 cmReference

651 Serial Number Location

Transmission case, top left, behind the starter.Reference

651 Serial Numbers

19571001Reference

195811977Reference

195958312Reference

1960105943Reference

1961131427Reference

1962155531Reference

FAQ: How to read a serial number table.Reference

Electrical

Groundpositive (6V)Reference

Groundnegative (12V)Reference

Charging systemgeneratorReference

Charging amps20Reference

Battery volts6 (gas/lp)Reference

Battery volts12 (diesel)Reference

Battery AH80 (6V)Reference

Battery AH135 (12V)Reference

Test results

Gasoline 5-speed 2WD3/21/1958Link: Nebraska Tractor Test 643 fileReference

Belt fuel use (max)12.5 l/hourReference

Drawbar performanceReference

Gear 3 used for power test.Reference

Max pull1866 kgReference

Gear 1 used for pull test.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.

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