Massey-Harris No. 3 15-28 Specs ( 1922-1923 )
Overview
The Massey-Harris No. 3 15-28 is a standard-tread farm tractor produced from 1922 to 1923 in Weston, Ontario, utilizing a design licensed from Parrett. It is powered by a 6.5L Waukesha four-cylinder liquid-cooled gasoline engine rated at 1000 RPM, providing a claimed 28 hp at the belt and 15 hp at the drawbar. The machine features an open operator station, a 5800-pound operating weight, and a gear transmission with two forward speeds.
Ideal Applications
Belt Pulley Performance:
The tractor is equipped with a 12-inch diameter by 7-inch wide belt pulley rated for 1000 RPM to deliver a claimed 28 horsepower for stationary applications.
Drawbar and Plowing Capacity:
This model is rated to pull three 14-inch plows and provides a claimed 15 horsepower at the drawbar through a two-wheel-drive system with spur gear final drives.
Engine and Mechanical Configuration:
The power plant is a 398 cubic inch Waukesha DU-10A gasoline engine with a 4.50x6.25 inch bore and stroke, paired with a manual steering system and a transmission offering two forward and one reverse gear.
Production
| Description | Standard-tread tractor / Built in Weston, Ontario, Canada / The Massey-Harris No. 3 15-28 was based on a tractor design licensed from Parrett. |
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| Manufacturer | Massey-Harris |
Engine
| Engine type | Waukesha 6.5L 4-cyl gasoline |
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| Bore/Stroke | 4.50x6.25 inches (114 x 159 mm) |
| Description | Waukesha DU-10A / gasoline / 4-cylinder / liquid-cooled |
| Displacement | 398 ci (6.5 L) |
| Rated RPM | 1000 |
| Belt (claimed) | 28 hp (20.9 kW) |
| Drawbar (claimed) | 15 hp (11.2 kW) |
| Plows | 3 (14-inch) |
Transmission
| Gears | 2 forward and 1 reverse |
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| Transmission type | 2-speed gear |
| Type | gear |
Mechanical
| Cab | Open operator station. |
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| Drive type | Two-wheel drive |
| Final drives | spur gear |
| Steering | manual |
Dimensions & Tires
| Weight | 5800 lbs (2630 kg) |
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Belt Pulley
| Diameter | 12 inches (30 cm) |
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| RPM | 1000 |
| Width | 7 inches (17 cm) |
No. 3 15-28 Serial Numbers
| Location: | Inside right rear tractor fender. |
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