Minneapolis 27-42

Last Updated: July 2024

Overview

The Minneapolis 27-42 is a vintage standard-tread tractor with a 4x2 2WD chassis and manual steering. It's powered by a 4-cylinder gasoline engine from The Minneapolis Threshing Co., with a displacement of 522.6 cubic inches, bore of 5.25 inches, and stroke of 7 inches. The engine operates at a rated RPM of 925. The tractor weighs 8373 lbs and features 53-inch diameter rear wheels. It has a 2-forward, 1-reverse gear transmission. Notable features include an American Bosch magneto, Stromberg carburetor, fly-ball governor, and Donaldson air cleaner. In Nebraska Tractor Tests, it demonstrated a maximum brake horsepower of 48.42 HP with a fuel consumption of 4.210 Gal/hr at maximum power.
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Key Specifications

Category: Utility, Standard Tread

Transmission: Gear

Drive Type: 2WD

Operating Weight: 8373

Fuel Type: Gasoline

Image Gallery

Minneapolis 27-42 Tractor Minneapolis 27-42 Tractor Minneapolis 27-42 Tractor Minneapolis 27-42 Tractor Minneapolis 27-42 Tractor Minneapolis 27-42 Tractor Minneapolis 27-42 Tractor Minneapolis 27-42 Tractor

Minneapolis 27-42 vs. Similar Tractors

Operating Weight
Average
Greater than 51% of similar tractors.

Technical Specifications

Engine

Manufacturer
The Minneapolis Threshing Co.
Model
-
Cooling Type
Liquid-cooled
Cylinder Orientation
-
Valve Configuration
-
Fuel Type
Gasoline
Induction Type
-
Cylinders
4
Displacement (ci)
522.6
Bore (in)
5.25
Stroke (in)
7
Rated RPM
925
Power Output (hp)
-

Transmission

Type
Gear
Forward Gears
2
Reverse Gears
1
Total Gears
-

Dimensions

Length (in)
143
Width (in)
76.5
Height (in)
-
Operating Weight (lb)
8373

Power Take-Off (PTO)

PTO Type
-
PTO Speed 1 (rpm)
-
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x2 2WD
Drive Type
2WD
Steering Type
Manual
Coolant Capacity (qts)
34
Front Tire Diameter (in)
Unknown
Front Tire Width (in)
Unknown
Rear Tire Diameter (in)
53
Rear Tire Width (in)
Unknown
Front/Rear Rim Diameter (in)
-
Tire Type
Steel
Manufacture - End Year
-
Hitch Type
-
Hitch Category
-
Hitch Position
-
Hitch Capacity (lb)
-
Operator Station Type
-
Starter Type
Unknown
Brake Type
-
Hydraulic System Type
-

Test Results

Nebraska Tractor Test Laboratory - Test Date: May 28 to June 11, 1929

Maximum Power and Fuel Consumption

  • Maximum Brake Horsepower: 48.42 HP at 925 RPM
  • Fuel Consumption at Maximum Power: 4.210 Gal/hr with a fuel efficiency of 0.617 lb/hp.hr

Drawbar Performance

  • Drawbar Horsepower at Rated Speed (10-hour Test): 24.68 HP with a drawbar pull of 2956 lbs
  • Fuel Consumption at Rated Speed: 4.190 Gal/hr with a fuel efficiency of 0.929 lb/hp.hr

Engine Specifications

  • Engine Type: 4-cylinder, vertical
  • Bore and Stroke: 5¼ x 7 in.
  • Carburetor: Stromberg Model "UTR" Size 1-1/2"
  • Governor: Fly-ball type

Operating Conditions

  • Barometer Reading: 27.79 inches of mercury
  • Maximum Cooling Water Temperature: 187°F

Overall Efficiency

  • Weight of Tractor (with operator): 8373 pounds
  • Fuel Type: Gasoline with a weight of 6.15 pounds per gallon



NTTL.(1929).Nebraska Tractor Test 162: Minneapolis 27-42 Tractor. Lincoln, NE: Nebraska Tractor Test Laboratory. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/2268

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