Minneapolis-Moline 445 Universal

The Minneapolis-Moline 445 Universal is a tractor produced by Minneapolis Moline. It is equipped with a 221.1 ci 3.6 L engine. The listed engine power is Gasoline (listed): 51 hp / 38.0 kW. Transmission: Ampli-Torc. Operating weight: 3700 to 4871 pounds.

Engine Power

Gasoline (listed): 51 hp / 38.0 kW

Fuel & Capacities

Gasoline

Transmission

Ampli-Torc

Operating Weight

3700 to 4871 pounds

Overview

	1956 - 1959 Row-Crop tractor

Production
Manufacturer	Minneapolis-Moline
Row-Crop tractor
Built in Minneapolis, Minnesota, USA
Original price was $3075 in 1959

Variants
445U	tricycle-front
445E	adjustable-front
445N	single-front
445 Utility	utility

Minneapolis-Moline 445 Transmission
10-speed two-speed power shift
Transmission details ...

Minneapolis-Moline 445 Power
Engine	51 hp 38.0 kW
Drawbar (claimed)	40 hp 29.8 kW
Drawbar (tested)	38.48 hp 28.7 kW
Belt (tested)	41.95 hp 31.3 kW
Performance test details ...

Mechanical
Two-wheel drive
Final drives	bull gear
Steering	manual
Steering	power OptOptional
Disc brakes
Open operator station.

Tractor hitch
Rear Type	II

Power Take-off (PTO)
Rear PTO	independent
Clutch	wet disc
Rear PTO Type	540
Mid PTO	optional
Mid PTO Type	980

Dimensions & Tires
Wheelbase	86.5 inches 219 cm
Weight	3700 to 4871 pounds
Front tire	5.50-16
Rear tire	11-38
Full dimensions and tires ...

Belt Pulley
Diameter	8.375 inches 21 cm
Width	6.5 inches 16 cm
RPM	1470
Speed	3220 ft/min 981.46 meters/min

Electrical
Ground	positive
Charging system	generator
Battery volts	12

References

The new 445 tractors published in 1956, by Minneapolis-Moline
445 Universal published by Minneapolis-Moline

Engine

Engine options
Minneapolis-Moline 3.4L 4-cyl gasoline
Minneapolis-Moline 3.4L 4-cyl diesel
Minneapolis-Moline 3.6L 4-cyl gasoline

Engine Detail — 206 ci / 3.4 L Gasoline

Manufacturer	Minneapolis-Moline 206H-4
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled
Displacement	206 ci 3.4 L
Bore/Stroke	3.625x5.00 inches 92 x 127 mm
Power	51 hp 38.0 kW
Fuel system	carburetor
Air cleaner	oil bath
Compression	7.3:1
Rated RPM	1550
Firing order	1-3-4-2
Starter volts	12
Oil capacity	7 qts 6.6 L
Coolant capacity	13.5 qts 12.8 L

Engine Detail — 206 ci / 3.4 L Diesel

Manufacturer	Minneapolis-Moline D206-4
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled
Displacement	206 ci 3.4 L
Bore/Stroke	3.625x5.00 inches 92 x 127 mm
Rated RPM	1550

Engine Detail — 221.1 ci / 3.6 L Gasoline

Manufacturer	Minneapolis-Moline 220A-4
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled
The 220 ci engine was only used in the military version of the 445
Displacement	221.1 ci 3.6 L
Bore/Stroke	3.75x5.00 inches 95 x 127 mm

Transmission

Transmission — Ampli-Torc

Transmission	Ampli-Torc
Type	two-speed power shift
Gears	10 forward and 2 reverse
Clutch	279.4mm dry disc
Oil capacity	40 qts 37.9 L
With 11-38 rear tires.

Dimensions

Minneapolis-Moline 445 Tires
445U Ag front	5.50-16
445E Ag front	5.50-16
445N Ag front	7.50-10
Ag rear	11-38
Ag rear	12-38

Dimensions
Wheelbase	86.5 inches 219 cm
Length	130.5 inches 331 cm
Width	82.25 inches 208 cm
Height (steering wheel)	70 inches 177 cm
Clearance (front axle)	22.5 inches 57 cm
Clearance (rear axle)	25.5 inches 64 cm
445U Front tread	8/13 inches 20/33 cm
445E Front tread	56 to 84 inches 142 to 213 cm
Rear tread	56 to 88 inches 142 to 223 cm
Rear tread	56 to 96 inches 142 to 243 cm

Minneapolis-Moline 445 Weight
445U Shipping	3700 lbs 1678 kg
445N Shipping	3750 lbs 1701 kg
445E Shipping	3900 lbs 1769 kg
Operating	4871 lbs 2209 kg
Ballasted	7885 lbs 3576 kg

Tests

Nebraska Tractor Test 578
Gasoline 10-speed 2WD Universal June 23 - 30, 1956 Link: Nebraska Tractor Test 578 file
Belt power (max)	41.95 hp 31.3 kW
Belt fuel use (max)	4.0 gal/hour 15.1 l/hour
Drawbar performance
Max power	38.48 hp 28.7 kW
Gear 2-D used for power test.
Max pull	5233 lbs 2373 kg
Gear 1-AT used for pull test.

Photos

Minneapolis-Moline 445 Universal

Minneapolis-Moline 445 with front-end loader.

Minneapolis-Moline 445 operator station and controls.

Recommended Implements & Sizing Guide

Engineering recommendations for Minneapolis Moline Minneapolis-Moline 445 Universal based on its 51 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm)	Medium Duty	Standard utility farm tillage.
Rotary Cutter / MowerMowing & Clearing	6 ft (72 in)1.8 m	Medium Duty	Medium pasture clearing; rear slip-clutch recommended.
Rotary TillerSeedbed Prep	66 to 72 in165 - 180 cm	Medium Duty	Standard utility tiller; slip clutch protection required.
Disc HarrowSecondary Tillage	7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙	Medium Duty	Field leveling and clod breaking behind plows.
Hay BalerHay & Forage	Small Square Baler (14x18")小方捆打捆机 (36x46 cm)	Medium Duty	Classic 2-string baler for horse and small livestock hay.

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Minneapolis Moline Minneapolis-Moline 445 Universal.

Estimated Continuous Field Runtime: 1.5 hrs

Approximately 1.5 hours of continuous field operation at ~75% rated power on a full tank (4 gal / 15.1 L).

Estimated 75% Load Fuel Burn~2.7 gal/hr (10 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours

Minneapolis Moline Minneapolis-Moline 445 Universal Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Minneapolis Moline Minneapolis-Moline 445 Universal.

Enter value:

Unit:

Converted Equivalents:

Horsepower (HP)51 hp

Kilowatts (kW)38 kW

Metric Horsepower (PS / CV)51.7 PS

Direct Competitor Comparison

Compare Minneapolis-Moline 445 Universal against same-era industry alternatives in the same horsepower class.

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