The Massey-Harris Pony 812 is a tractor with a power rating of 16 hp, positioning it at the lighter end of its class. It was produced from 1951 to 1957 and features a 4-cylinder petrol liquid-cooled engine, coupled with two-wheel drive and a 3-speed gearbox. The tractor has an operating weight of 749 kg. It is suitable for use on areas of up to 200 acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Rated power
16 hp
Weight
749 kg
Catalogue coverage
Variants represented
2
Richest spec table
42 rows
Recorded power
16 hp
Recorded weight
749 kg
Transmissions
3-speed gear
Production years
1951-1957
Verified variants
0
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Overview
ManufacturerMassey-HarrisReference
Utility tractorReference
Built in Marquette-lez-Lille, FranceReference
Two-wheel driveReference
Final drivesspur gearReference
Manual steeringReference
Mechanical band brakesReference
Open operator station.Reference
Engine
Simca 1.2L 4-cyl gasolineReference
Fuel tank26.1 LReference
Engine11.8 kWReference
SimcaReference
gasolineReference
4-cylinderReference
liquid-cooledReference
Displacement1.2 LReference
Bore/Stroke72 x 75 mmReference
Power11.8 kWReference
Compression6.25:1Reference
Rated RPM1850Reference
StarterelectricReference
Starter volts6Reference
Oil capacity2.8 LReference
Transmission
3-speed gearReference
TypegearReference
Gears3 forward and 1 reverseReference
Oil capacity3.4 LReference
PTO & Hydraulics
Rear PTOindependentReference
Dimensions
Wheelbase169 cmReference
Weight749 kgReference
Front tire4x15Reference
Rear tire8x24Reference
Ag front4x15Reference
Ag rear8x24Reference
Ag rear9x24Reference
Length265 cmReference
Width141 cmReference
Height155 cmReference
Ballasted weight1030 kgReference
Ground clearance53 cmReference
Front tread103 to 175 cmReference
Rear tread103 to 175 cmReference
Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.
