Massey-Harris 25 26-41: all source data

All 44 values recorded for this model, as the source lists them and in its units. The spec sheet shows the same data checked, typed and converted.

Overview

Production
Manufacturer	Massey-Harris
(no label)	Standard-tread tractor
(no label)	Built in Racine, Wisconsin, USA
Total built	15,000
(no label)	The Massey-Harris 25 was restyled and given a new red paint scheme in 1939. The 25 was Massey's replacement for the Wallis 20/30, which it had previously sold.

Engine
(no label)	Massey-Harris 5.7L 4-cyl gasoline
Fuel tank	24 gal \| 90.8 L
Aux. fuel	1.6 gal \| 6.1 L

Transmission
(no label)	3-speed gear

Power
Drawbar (claimed)	26 hp \| 19.4 kW
Belt (claimed)	41 hp \| 30.6 kW
Plows	3-4
Drawbar (tested)	33.13 hp \| 24.7 kW
Belt (tested)	44.2 hp \| 33.0 kW

Mechanical
(no label)	Two-wheel drive
Steering	manual
(no label)	Open operator station.

Dimensions
Weight	5000 lbs \| 2268 kg
Front tire	30x6
Rear tire	48x12

Serial location
(no label)	Serial number plate on the left side of the tractor frame.

Belt pulley
Diameter	19 inches \| 48 cm
Width	7.125 inches \| 18 cm
RPM	525
Speed	2612 ft/min \| 796.14 meters/min

Engine

Engine detail
(no label)	Massey-Harris
(no label)	gasoline
(no label)	4-cylinder
(no label)	liquid-cooled vertical valve-in-head I-head
Displacement	345.8 ci \| 5.7 L
Bore/Stroke	4.375x5.75 inches \| 111 x 146 mm
Fuel system	Kingston L3L carburetor
Air cleaner	oil bath
Rated RPM	1200
Coolant capacity (Coolant)	24 qts \| 22.7 L

Transmission

Transmission
Type	gear
Gears	3 forward and 1 reverse
Clutch	dry disc

Dimensions

Tires
Ag front	30x6 (steel)
Ag rear	48x12 (steel)

Dimensions
Length	135 inches \| 342 cm
Width	65.5 inches \| 166 cm
Height	57 inches \| 144 cm
Weight	5000 lbs \| 2268 kg