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Tractor · 1958Unverified

Ford Powermaster 821

Name: Ford Powermaster 821
Brand: Ford

Ford Powermaster 821 — 801 Powermaster Series · 63 hp. Reference specifications; pending source verification.

The Ford Powermaster 821 is a compact tractor rated at 63 hp, featuring a 4-cylinder diesel liquid-cooled engine. Manufactured from 1958 to 1962, it is equipped with a 4-speed gearbox and two-wheel drive. The listed weight of the tractor ranges from 2637 to 3500 pounds, suitable for tasks covering approximately 200 acres.

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

Rated power

63 hp

Weight

2637 to 3500 pounds

Catalogue coverage

Variants represented

Richest spec table

101 rows

Recorded power

63 hp

Transmissions

4-speed unsynchronized gear

Production years

1958-1962

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

The Ford 821 was advertised as a "special utility" model with only the most basic options. The 821 had no PTO or hydraulics.Reference

Two-wheel driveReference

SteeringmanualReference

Steeringpower assist optionalReference

Differential mechanical expanding shoe brakesReference

Open operator station.Reference

Variants

811Select-O-Speed, no PTOReference

821Four-speed, no PTO or 3-pointReference

841Four-speedReference

851Five-speedReference

861Five speed, live PTOReference

871Select-O-SpeedReference

881Select-O-Speed, dual-speed PTOReference

Engine

Ford 2.8L 4-cyl gasolineReference

Ford 2.8L 4-cyl LP gasReference

Ford 2.8L 4-cyl dieselReference

Fuel tank64.3 LReference

Engine (gross)46.7 kWReference

Engine42.0 kWReference

Drawbar (claimed)32.8 kWReference

Belt (claimed)37.3 kWReference

Plows3Reference

Ford EAFReference

gasolineReference

4-cylinder 8-valveReference

liquid-cooled vertical overhead valveReference

Displacement2.8 LReference

Bore/Stroke99 x 91 mmReference

Power (gross)46.7 kWReference

Air cleaneroil bathReference

Compression7.5:1Reference

Rated RPM2000Reference

Torque225.1 NmReference

Torque RPM1600Reference

Firing order1-2-4-3Reference

Starter volts6Reference

Coolant capacity14.2 LReference

Sparkplug gap0.686 mmReference

Point gap0.635 mmReference

Intake valve clearance0.381 mmReference

Exhaust valve clearance0.381 mmReference

Oil capacity4.7 LReference

Oil change100 hReference

LP gasReference

liquid-cooledReference

Compression8.65:1Reference

Rated RPM2200Reference

FordReference

dieselReference

Power42.0 kWReference

Compression16.8:1Reference

Torque190.4 NmReference

Torque RPM1400Reference

Starter volts12Reference

Transmission

4-speed unsynchronized gearReference

12-speedReference

ManufacturerFordReference

Typeunsynchronized gearReference

Gears4 forward and 1 reverseReference

Clutch254mm dry discReference

Oil capacity5.7 LReference

Oil typeSAE 80Reference

TransmissionSherman Step-Up Step-downReference

Gears12 forward and 3 reverseReference

Auxiliary gearbox provides over, under, and direct-drive to the basic four-speed transmission.Reference

PTO & Hydraulics

Rear PTOtransmissionReference

Rear PTO Type540Reference

Dimensions

Wheelbase189 cmReference

Weight2637 to 3500 poundsReference

Front tire6.00x16Reference

Rear tire10x28Reference

Ag front6.00x16Reference

Ag rear10x28Reference

Length306 cmReference

Width162 cmReference

Height145 cmReference

Clearance (front axle)54 cmReference

Front tread132 to 203 cmReference

Rear tread121 to 193 cmReference

Shipping1196 kgReference

Operating1587 kgReference

Ballasted2204 kgReference

821 Serial Number Location

Left side of tractor, on top of transmission case behind the starter.Reference

821 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

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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