Massey-Harris 33

The Massey-Harris 33 is a tractor produced by Massey Harris. It is equipped with a 201 ci 3.3 L engine. The rated power output is 39.52 hp 29.5 kW. Transmission: 5 forward and 1 reverse. Operating weight: 5191 lbs 2354 kg.

Overview

	1952 - 1955 Row-Crop tractor
1952 - 1955
Row-Crop tractor

Production
Manufacturer	Massey-Harris
Row-Crop tractor
Original price was $2,550 in 1955

Massey-Harris 33 Transmission
5-speed gear
Transmission details ...

Massey-Harris 33 Power
Drawbar (claimed)	28 hp 20.9 kW
PTO (claimed)	36 hp 26.8 kW
Plows	3
Drawbar (tested)	35.54 hp 26.5 kW
Belt (tested)	39.52 hp 29.5 kW
Performance test details ...

Mechanical
Two-wheel drive
Manual steering
Open operator station

Power Take-off (PTO)
Rear PTO Type	540
Engine RPM	551@1500

Dimensions & Tires
Wheelbase	100.6 inches 255 cm
Weight	5191 lbs 2354 kg
Front tire	5.50-16
Rear tire	11-38
Full dimensions and tires ...

Belt Pulley
Diameter	13.5 inches 34 cm
Width	6.4 inches 16 cm
RPM	890
Speed	3146 ft/min 958.90 meters/min

References
Power For Your Farm published in 1953, by Massey-Harris
Massey-Harris Tractors published in 1954
Massey-Harris Tractors published in 1955

Engine

Engine options
Continental 3.3L 4-cyl gasoline
Continental 3.3L 4-cyl diesel

Engine Detail — 201 ci / 3.3 L Gasoline

Manufacturer	Continental
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled
Displacement	201 ci 3.3 L
Bore/Stroke	3.625x4.875 inches 92 x 124 mm
Air cleaner	oil bath
Compression	6.3:1
Rated RPM	1500
Starter volts	6
Oil capacity	8 qts 7.6 L
Coolant capacity	18 qts 17.0 L

Massey-Harris 33 Engine

Engine Detail — 201 ci / 3.3 L Diesel

Manufacturer	Continental
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled
Displacement	201 ci 3.3 L
Bore/Stroke	3.625x4.875 inches 92 x 124 mm
Air cleaner	oil bath
Compression	15:1
Rated RPM	1500
Oil capacity	8 qts 7.6 L
Coolant capacity	18 qts 17.0 L

Transmission

Transmission — 5 forward and 1 reverse gear

Type	gear
Gears	5 forward and 1 reverse
Clutch	254mm mechanical dry disc
With 11-38 rear tires.

Dimensions

Massey-Harris 33 Tires
Ag front	5.50-16
Ag rear	11-38
Ag front	9.00x10
Ag rear	12-28
	13-28
	12-38
	13-30

Dimensions
Wheelbase	100.6 inches 255 cm
Operating weight	5191 lbs 2354 kg
Ballasted weight	7007 lbs 3178 kg
Tricycle to inches 21 to 0 cm Front tread	8.5
Rear tread	52.75 to 88.625 inches 133 to 225 cm

Tests

Nebraska Tractor Test 509
Gasoline 5-speed 2WD October 10 - 24, 1953 Link: Nebraska Tractor Test 509 file
Belt power (max)	39.52 hp 29.5 kW
Belt fuel use (max)	3.4 gal/hour 12.9 l/hour
Drawbar performance
Max power	35.54 hp 26.5 kW
Gear 3 used for power test.
Max pull	4,456 lbs 2021 kg
Gear 1 used for pull test.

Photos

Massey Harris 33 with front-end loader.

Massey Harris 33 with front-end loader.

Massey Harris 33 tractor.

Massey-Harris 33 cut-away view.