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Tractor · 1974Unverified

Hefty F

Name: Hefty F
Brand: Hefty

Hefty F — Utility tractor · 24 hp. Reference specifications; pending source verification.

The Hefty F is a compact tractor, featuring a 24 hp rating, which places it within a smaller size category for its class. This model was produced from 1974 to 1978. It is equipped with a 4-cylinder petrol liquid-cooled engine, transmitting power through two-wheel drive and a 6-speed gearbox. Its listed weight is 997 kg, suitable for tasks involving approximately 200 acres.

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

Rated power

24 hp

Weight

997 kg

Catalogue coverage

Variants represented

Richest spec table

62 rows

Recorded power

24 hp

Recorded weight

997 kg

Transmissions

6-speed gear

Production years

1974-1978

Verified variants

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

Hover a source tag to verify

Overview

ManufacturerHeftyReference

Utility tractorReference

Built in Juneau, Wisconsin, USAReference

Two-wheel driveReference

Final drivesspur gearReference

Manual steeringReference

Mechanical disc brakesReference

Open operator station.Reference

Engine

Continental 0.8L 4-cyl gasolineReference

Fuel tank18.9 LReference

Engine20.1 kWReference

Continental R800-46Reference

gasolineReference

4-cylinderReference

liquid-cooled inlineReference

The Continental R800 engine was built by Renault.Reference

Displacement0.8 LReference

Bore/Stroke58 x 80 mmReference

Power20.1 kWReference

Compression8:1Reference

Rated RPM3300Reference

Firing order1-3-4-2Reference

StarterelectricReference

Starter volts12Reference

Coolant capacity4.7 LReference

Transmission

6-speed gearReference

TypegearReference

Gears6 forward and 1 reverseReference

Clutchmechanical dry discReference

Two speeds, plus reverse, in three ranges.Reference

PTO & Hydraulics

PTO (claimed)17.9 kWReference

Typeopen centerReference

Pressure137.9 barReference

Pump flow12.1 lpmReference

Rear TypeIReference

Controlposition controlReference

Rear lift (at ends)712 kgReference

Rear lift (at 24"/610mm)548 kgReference

Rear PTOindependentReference

Rear PTO Type540 (1.375)Reference

Dimensions

Wheelbase172 cmReference

Weight997 kgReference

Front tire5.00-15Reference

Rear tire11.2-24Reference

Ag front5.00-15Reference

Ag rear11.2-24Reference

Ag front6.00-12Reference

Length256 cmReference

Height (steering wheel)147 cmReference

Shipping weight997 kgReference

Ground clearance46 cmReference

Clearance (front axle)40 cmReference

Clearance (rear axle)49 cmReference

Front tread101 to 152 cmReference

Front tread121 to 193 cmReference

Front tread152 to 203 cmReference

Rear tread96 to 157 cmReference

Rear tread116 to 213 cmReference

Rear tread152 to 213 cmReference

F Serial Numbers

Location:Serial number plate on the right side of the transmission.Reference

Electrical

GroundnegativeReference

Battery volts12Reference

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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