Massey-Harris Pony 812 tractor

Massey-Harris Pony 812

Power

15 hp

Production

1951-1957

Engine

Gasoline, 4-cylinder

Transmission

Gear

Weight

1653 lbs [749 kg]

Drive

2WD

From the same series:

Introduction

Massey-Harris Pony 812 Utility Tractor

The Massey-Harris Pony 812 is a utility tractor manufactured between 1951 and 1957 in Marquette-lez-Lille, France. Designed for general agricultural tasks, this model represents a classic iteration of the Massey-Harris Pony series, focusing on mechanical simplicity and operational reliability.

Engine and Performance

The tractor is powered by a liquid-cooled, 4-cylinder Simca gasoline engine with a displacement of 74.5 cubic inches (1.2 liters). It produces a rated power of 15.8 horsepower (11.8 kW) at 1850 engine RPM. The engine features a compression ratio of 6.25:1 and utilizes an electric starter system with a 6-volt electrical setup.

Transmission and Drivetrain

The Pony 812 is equipped with a gear-type transmission providing 3 forward and 1 reverse speeds. It is a two-wheel drive machine utilizing spur gear final drives. Power delivery to implements is managed via an independent rear Power Take-Off (PTO) shaft.

Mechanical and Chassis

The chassis features a manual steering system and mechanical band brakes for stopping control. The operator station is of an open design. The tractor has a wheelbase of 66.9 inches (169 cm) and provides a ground clearance of 20.9 inches (53 cm), allowing for versatile operation in various field conditions.

Dimensions and Weight

With a dry weight of 1653 lbs (749 kg), the tractor can be ballasted up to 2271 lbs (1030 kg) to improve traction. It measures 104.7 inches in length and 55.9 inches in width. The front tread is adjustable between 40.9 and 68.9 inches, matching the rear tread adjustment range. It is fitted with 4x15 front agricultural tires and 8x24 rear agricultural tires.

Conclusion

The Massey-Harris Pony 812 is a compact utility tractor well-suited for light agricultural duties and small-scale farming applications. Its straightforward mechanical architecture, combined with a manageable power-to-weight ratio, makes it a durable and functional machine for historical preservation and light field utility work.

Production Information of Massey-Harris, Pony 812

  • Utility tractor
  • Built in Marquette-lez-Lille, France
ManufacturerMassey-Harris

Dimension and Tires Information of Massey-Harris, Pony 812

Ground clearance20.9 inches [53 cm]
Wheelbase66.9 inches [169 cm]
Weight1653 lbs [749 kg]
Height61.4 inches [155 cm]
Length104.7 inches [265 cm]
Front tread40.9 to 68.9 inches [103 to 175 cm]
Ballasted weight2271 lbs [1030 kg]
Width55.9 inches [141 cm]
Rear tread40.9 to 68.9 inches [103 to 175 cm]
Ag front4x15
Ag rear8x24
Ag rear(optional)9x24

Engine Specifications of Massey-Harris, Pony 812

  • Simca
  • Liquid-cooled
  • Gasoline
  • 4-cylinder
Starter volts6
Displacement74.5 ci [1.2 L]
Compression6.25:1
Bore/Stroke2.83x2.95 inches [72 x 75 mm]
Oil capacity3 qts [2.8 L]
StarterElectric
Rated RPM1850
Power15.8 hp [11.8 kW]

Transmission Information of Massey-Harris, Pony 812

Transmission variants 1

TypeGear
Gears3 forward and 1 reverse
Oil capacity3.6 qts [3.4 L]

Mechanical Specs of Massey-Harris, Pony 812

  • Two-wheel drive
  • Open operator station.
  • Mechanical band brakes
  • Manual steering
Final drivesSpur gear

Power Information of Massey-Harris, Pony 812

Rear PTOIndependent

Where it sits

Its power puts it in the 7th percentile of 1950s models in our database (592 machines).

Frequently asked questions

How much horsepower does the Massey-Harris Pony 812 have?

The Massey-Harris Pony 812 delivers 15 HP.

What years was the Massey-Harris Pony 812 produced?

The Massey-Harris Pony 812 was produced in 1951-1957.

What engine does the Massey-Harris Pony 812 have?

The Massey-Harris Pony 812 is powered by a Gasoline, 4-cylinder engine.

What transmission does the Massey-Harris Pony 812 use?

The Massey-Harris Pony 812 uses a Gear transmission.

How much does the Massey-Harris Pony 812 weigh?

The Massey-Harris Pony 812 weighs 1653 lbs [749 kg].

Is the Massey-Harris Pony 812 4WD?

The Massey-Harris Pony 812 is available in 2WD.

Compare the Massey-Harris Pony 812 with another model