Tractor · 1957Unverified
Ford 840
Ford 840 — 800 Series · 40 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
40 hp
Weight
2850 to 3400 pounds
Hover a source tag to verify
Overview
ManufacturerFordReference
Utility tractorReference
Built in Highland Park, Michigan, USAReference
Two-wheel driveReference
SteeringmanualReference
Steeringpower assist optionalReference
Differential mechanical expanding shoe brakesReference
Open operator station.Reference
Variants
820no 3-point or hydraulicsReference
840four-speedReference
850transmission PTOReference
860live PTOReference
Engine
Ford 2.8L 4-cyl gasolineReference
Ford 2.8L 4-cyl LP gasReference
Belt (claimed)29.8 kWReference
Plows3Reference
Ford EAFReference
gasolineReference
4-cylinder 8-valveReference
liquid-cooled inlineReference
Displacement2.8 LReference
Bore/Stroke99 x 91 mmReference
Air cleaneroil bathReference
Compression6.75:1Reference
Rated RPM2200Reference
Firing order1-2-4-3Reference
Starter volts6Reference
Coolant capacity14.2 LReference
Oil capacity4.7 LReference
LP gasReference
Compression8.0:1Reference
Transmission
4-speed unsynchronized gearReference
12-speed unsynchronized gearReference
Typeunsynchronized gearReference
Gears4 forward and 1 reverseReference
Clutchdry discReference
Oil capacity7.6 LReference
Oil typeSAE 80 Mild EPReference
TransmissionShermanReference
Gears12 forward and 3 reverseReference
The Sherman under-over auxiliary transmission was available as a factory option on the 840. Tractors equipped with the transmission were marked 840S.Reference
Capacities
Fuel53.0 LReference
Rear axle10.4 LReference
PTO & Hydraulics
Hydraulic system7.6 LReference
Typeopen centerReference
Capacity7.6 LReference
Pressure137.9 barReference
Pump flow18.2 lpmReference
Rear TypeIReference
Controlposition and draft controlReference
Rear lift567 kgReference
Rear PTOtransmissionReference
Rear PTO Type540 (1.125)Reference
Dimensions
Wheelbase190 cmReference
Weight2850 to 3400 poundsReference
Front tire6.00-16Reference
Rear tire12-28Reference
Ag front6.00-16Reference
Ag rear12-28Reference
Length309 cmReference
Width164 cmReference
Height150 cmReference
Ground clearance53 cmReference
Front tread132 to 193 cmReference
Rear tread132 to 193 cmReference
Shipping1292 kgReference
Operating1542 kgReference
Ballasted3039 kgReference
Ford 840 attachments
front-end loaderReference
840 Serial Number Location
On the left-hand side of the transmission housing behind the starter.Reference
840 Serial Numbers
19541Reference
195510615Reference
195677271Reference
1957116368Reference
FAQ: How to read a serial number table.Reference
Electrical
GroundpositiveReference
Charging systemgeneratorReference
Charging amps20Reference
Battery volts6Reference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.