The Massey-Harris Pony 811 is a compact tractor model with a rating of 16 hp, manufactured in 1951. It features a 4-cylinder petrol liquid-cooled engine, driving through two-wheel drive with a 3-speed gearbox. The listed weight of the tractor is 800 kg, and it is suitable for use on areas of approximately 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
800 kg
Catalogue coverage
Variants represented
2
Richest spec table
41 rows
Recorded power
16 hp
Recorded weight
800 kg
Transmissions
3-speed gear
Production years
1951-1951
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
Dimensions
Wheelbase169 cmReference
Weight800 kgReference
Front tire4x15Reference
Rear tire8x24Reference
Ag front4x15Reference
Ag rear8x24Reference
Ag rear9x24Reference
Length251 cmReference
Width141 cmReference
Height151 cmReference
Ballasted weight1080 kgReference
Ground clearance54 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.
