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Tractor · 1928Unverified

Minneapolis 39-57

Minneapolis 39-57 — Standard-tread tractor · 39 hp. Reference specifications; pending source verification.

The Minneapolis 39-57 is a tractor with a rating of approximately 39 hp, positioned at the lower end of its class in terms of power output. It was manufactured between 1928 and 1929. The tractor is equipped with a 4-cylinder petrol liquid-cooled engine and features two-wheel drive with a 2-speed gearbox. Its operating weight is listed at 4397 kg, with a capacity for operations on up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power
39 hp
Max power
35.6 kW
Weight
4397 kg

Catalogue coverage

Variants represented
2
Richest spec table
34 rows
Recorded power
39 hp
Recorded weight
4397 kg
Transmissions
2-speed gear
Production years
1928-1929
Verified variants
0

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

Hover a source tag to verify

Overview

ManufacturerMinneapolis (a part of Minneapolis Threshing Machine Company)Reference
Standard-tread tractorReference
Built in Hopkins, Minnesota, USAReference
Two-wheel driveReference
Manual steeringReference
Open operator station.Reference

Engine

Stearns 10.1L 4-cyl gasolineReference
Drawbar (claimed)29.1 kWReference
Belt (claimed)42.5 kWReference
Drawbar (tested)35.6 kWReference
Belt (tested)48.1 kWReference
StearnsReference
gasolineReference
4-cylinderReference
liquid-cooledReference
Displacement10.1 LReference
Bore/Stroke140 x 165 mmReference
Rated RPM1000Reference
Starter typehand crankReference
Belt power (max)48.1 kWReference
Max power35.6 kWReference

Transmission

2-speed gearReference
TypegearReference
Gears2 forward and 1 reverseReference

Dimensions

Weight4397 kgReference
Rear tire58x19.5Reference
Ag rear58x19.5 (steel)Reference

Capacities

Diameter50 cmReference
Width21 cmReference
RPM620Reference

Test results

June 5 - 14, 1929Link: Nebraska Tractor Test 163 fileReference
Belt fuel use (max)24.2 l/hourReference
Drawbar performanceReference
Max pull2698 kgReference

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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