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Tractor · 1955Unverified

Massey-Harris 50

Name: Massey-Harris 50
Brand: Massey-Harris

Massey-Harris 50 — Utility tractor · 31 hp. Reference specifications; pending source verification.

The Massey-Harris 50 is a compact tractor model, rated at 31 horsepower. Manufactured from 1955 to 1957, it features a 4-cylinder petrol liquid-cooled engine, coupled to a 6-speed gearbox and two-wheel drive. The tractor weighs 1556 kilograms and is suited for tasks 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

31 hp

Max power

22.7 kW

Weight

1556 kg

Catalogue coverage

Variants represented

Richest spec table

72 rows

Recorded power

31 hp

Recorded weight

1556 kg

Transmissions

6-speed unsynchronized gear

Production years

1955-1957

Verified variants

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

Hover a source tag to verify

Overview

ManufacturerMassey-HarrisReference

Utility tractorReference

Built in Detroit, Michigan, USAReference

The Massey-Harris 50 was based on the Ferguson TO-35 and introduced after the merger that created Massey-Harris-Ferguson. It was also produced as the F-40 for Ferguson dealers. The 50 was available in several configurations: utility, high-crop utility, or row-crop with a choice of single, tricycle, or wide adjustable front ends.Reference

Two-wheel driveReference

SteeringmanualReference

SteeringpowerReference

Differential mechanical shoe brakesReference

Open operator station.Reference

Variants

F-40similar Ferguson modelReference

Engine

Continental 2.2L 4-cyl gasolineReference

Fuel tank64.3 LReference

Plows3Reference

Drawbar (tested)22.7 kWReference

Belt (tested)24.3 kWReference

Continental Z-134Reference

gasolineReference

4-cylinderReference

liquid-cooledReference

Displacement2.2 LReference

Bore/Stroke84 x 98 mmReference

Air cleaneroil bathReference

Compression6.6:1Reference

Rated RPM2000Reference

Starter volts12Reference

Oil capacity5.7 LReference

Coolant capacity9.5 LReference

Belt power (max)24.3 kWReference

Max power22.7 kWReference

Transmission

6-speed unsynchronized gearReference

Typeunsynchronized gearReference

Gears6 forward and 2 reverseReference

Clutch279.4mm dry discReference

Three gears, plus reverse, in two ranges.Reference

PTO & Hydraulics

Typeopen centerReference

Pump flow11.4 lpmReference

Rear TypeIReference

Controlmechanical draft controlReference

Rear PTOliveReference

Clutch228.6mm dry discReference

Rear PTO Type540 (1.375)Reference

Dimensions

Wheelbase206 cmReference

Weight1556 kgReference

Front tire5.50-16Reference

Rear tire11-28Reference

Ag front5.50-16Reference

Ag front7.50-10Reference

Ag rear11-28Reference

Ag rear10-38Reference

Length304 cmReference

Height144 cmReference

Operating weight1556 kgReference

Ballasted weight2480 kgReference

Rear tread121 to 193 cmReference

Rear tread132 to 182 cmReference

50 Serial Number Location

Serial number plate on the dashboard of the Massey-Harris 50.Reference

50 Serial Numbers

1955500001Reference

1956500473Reference

1957510764Reference

FAQ: How to read a serial number table.Reference

Capacities

Diameter22 cmReference

Width16 cmReference

RPM1313Reference

Speed944.88 meters/minReference

Electrical

Charging systemgeneratorReference

Battery volts12Reference

Test results

Gasoline 6-speed 2WDSeptember 25 - October 4, 1956Link: Nebraska Tractor Test 595 fileReference

Belt fuel use (max)11.7 l/hourReference

Drawbar performanceReference

Gear 4 used for power test.Reference

Max pull1598 kgReference

Gear 1 used for pull test.Reference

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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