Minneapolis-Moline M-670

The Minneapolis-Moline M-670 is a tractor produced by Minneapolis Moline. It is equipped with a 336 ci 5.5 L engine. The listed engine power is 71.01 hp 53.0 kW. Transmission: Ampli-Torc. Operating weight: 6350 to 6550 pounds.

Engine Power

71.01 hp 53.0 kW

Fuel & Capacities

LP gas

Transmission

Ampli-Torc

Operating Weight

6350 to 6550 pounds

Overview

	1964 - 1965 Row-Crop tractor

Production
Manufacturer	Minneapolis-Moline
Row-Crop tractor
Built in Minneapolis, Minnesota, USA

Minneapolis-Moline M-670 Transmission
10-speed two-speed power shift
Transmission details ...

Minneapolis-Moline M-670 Power
Drawbar (claimed)	62 hp 46.2 kW
PTO (claimed)	73 hp 54.4 kW
Drawbar (tested)	64.08 hp 47.8 kW
PTO (tested)	74.2 hp 55.3 kW
Performance test details ...

Mechanical
Two-wheel drive
Power steering
Open operator station.

Hydraulics
Type	open center
Valves	2

Tractor hitch
Rear Type	II

Power Take-off (PTO)
Rear PTO	independent
Rear PTO Type	540 (1.375)
	540/1000 (1.375)OptOptional
Engine RPM	540@1365

Dimensions & Tires
Wheelbase	103 inches 261 cm
Weight	6350 to 6550 pounds
Front tire	6.00-16
Rear tire	18.4-34
Full dimensions and tires ...

References

M-670: A New Force in Power Farming published in 1965, by Minneapolis-Moline

Engine

Engine options
Minneapolis-Moline 5.5L 4-cyl gasoline
Minneapolis-Moline 5.5L 4-cyl diesel
Minneapolis-Moline 5.5L 4-cyl LP gas

Engine Detail — 336 ci / 5.5 L Gasoline

Manufacturer	Minneapolis-Moline 336A-4
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled
Displacement	336 ci 5.5 L
Bore/Stroke	4.625x5.00 inches 117 x 127 mm
Air cleaner	dry
Compression	7:1
Rated RPM	1600
Starter volts	12
Coolant capacity	22 qts 20.8 L

Engine Detail — 336 ci / 5.5 L Diesel

Manufacturer	Minneapolis-Moline D336A-4
Fuel Type	Diesel
Configuration	4-cylinder, liquid-cooled
Displacement	336 ci 5.5 L
Bore/Stroke	4.625x5.00 inches 117 x 127 mm
Air cleaner	dry
Pre-heating	ether injection
Rated RPM	1600
Starter volts	12

Engine Detail — 336 ci / 5.5 L LP Gas

Manufacturer	Minneapolis-Moline
Fuel Type	LP gas
Configuration	4-cylinder, liquid-cooled
Displacement	336 ci 5.5 L
Bore/Stroke	4.625x5.00 inches 117 x 127 mm
Air cleaner	dry
Compression	9.3:1
Rated RPM	1600
Starter volts	12

Transmission

Transmission — Ampli-Torc

Transmission	Ampli-Torc
Type	two-speed power shift
Gears	10 forward and 2 reverse
Clutch	304.8mm dry disc

Dimensions

Minneapolis-Moline M-670 Tires
Ag front	6.00-16
Ag rear	18.4-34
Ag front	7.50-16 *With single front wheel

Dimensions
Wheelbase	103 inches 261 cm
Front tread	7.75/12.875 inches 19/32 cm
Front tread	52 to 76 inches 132 to 193 cm
Rear tread	60 to 96 inches 152 to 243 cm

Minneapolis-Moline M-670 Weight
Gas	6350 lbs 2880 kg
LP-gas	6550 lbs 2971 kg
Diesel	6500 lbs 2948 kg

Tests

Tractor Tests
NTTL 924: LP gas 10-speed 2WD
NTTL 925: gasoline 10-speed 2WD
NTTL 926: diesel 10-speed 2WD

Nebraska Tractor Test 924
LP gas 10-speed 2WD November 1 - 9, 1965 Link: Nebraska Tractor Test 924 file
PTO performance
Power at rated engine speed	74.2 hp 55.3 kW
Fuel use	7.7 gal/hour 29.1 l/hour
Power at rated PTO speed	66.10 hp 49.3 kW
Fuel use	6.4 gal/hour 24.2 l/hour
Drawbar performance
Max power	63.5 hp 47.4 kW
Fuel use	7.6 gal/hour 28.8 l/hour
Gear 2H used for power test.
Max pull	9923 lbs 4501 kg
Gear 2L used for pull test.

Nebraska Tractor Test 925
Gasoline 10-speed 2WD November 1 - 9, 1965 Link: Nebraska Tractor Test 925 file
PTO performance
Power at rated engine speed	73.02 hp 54.5 kW
Fuel use	6.4 gal/hour 24.2 l/hour
Power at rated PTO speed	66.10 hp 49.3 kW
Fuel use	5.7 gal/hour 21.6 l/hour
Drawbar performance
Max power	62.15 hp 46.3 kW
Fuel use	6.3 gal/hour 23.8 l/hour
Gear 2H used for power test.
Max pull	9646 lbs 4375 kg
Gear 2L used for pull test.

Nebraska Tractor Test 926
Diesel 10-speed 2WD November 4 - 10, 1965 Link: Nebraska Tractor Test 926 file
PTO performance
Power at rated engine speed	71.01 hp 53.0 kW
Fuel use	5.0 gal/hour 18.9 l/hour
Power at rated PTO speed	62.51 hp 46.6 kW
Fuel use	4.3 gal/hour 16.3 l/hour
Drawbar performance
Max power	64.08 hp 47.8 kW
Fuel use	5.1 gal/hour 19.3 l/hour
Gear 2H used for power test.
Max pull	9731 lbs 4413 kg
Gear 2L used for pull test.

Photos

Minneapolis-Moline M-670

Recommended Implements & Sizing Guide

Engineering recommendations for Minneapolis Moline Minneapolis-Moline M-670 based on its 71.01 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	3 to 4 Bottom (16")3 - 4 铧 (40 cm)	Heavy Duty	Suitable for medium loam and stubble turnover.
Rotary Cutter / MowerMowing & Clearing	7 to 8 ft (84-96 in)2.1 - 2.4 m	Heavy Duty	Heavy-duty twin spindle cutter for overgrown acreage.
Rotary TillerSeedbed Prep	78 to 84 in200 - 215 cm	Heavy Duty	Heavy commercial tiller with multi-speed gearbox.
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	4x4 to 4x5 Round Baler1.2x1.5 m 紧凑圆捆机	Heavy Duty	Silage and dry hay; 540 RPM PTO with slip-clutch.

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 M-670.

Estimated Continuous Field Runtime: 1.4 hrs

Approximately 1.4 hours of continuous field operation at ~75% rated power on a full tank (5.1 gal / 19.3 L).

Estimated 75% Load Fuel Burn~3.7 gal/hr (14 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 M-670 Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Minneapolis Moline Minneapolis-Moline M-670.

Enter value:

Unit:

Converted Equivalents:

Horsepower (HP)71 hp

Kilowatts (kW)53 kW

Metric Horsepower (PS / CV)72 PS

Direct Competitor Comparison

Compare Minneapolis-Moline M-670 against same-era industry alternatives in the same horsepower class.

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