RTN by Minneapolis-Moline

1939 - 1951

1939 - 1951 R SeriesRow-Crop tractor

Production

Production Manufacturer:Minneapolis-Moline
Type:Row-Crop tractor
Factory:Minneapolis, Minnesota, USA
Total built:906
The Minneapolis-Moline RTN was the single-front wheel version of the R series.

Variants

Variants RTU:tricycle-front
RTS:standard-front
RTN:single-front
RTE:adjustable-front
RTI:industrial tractor

1939 - 1954

1939 - 1954
R Series
Row-Crop tractor

Production

Production
Manufacturer:Minneapolis-Moline
Type:Row-Crop tractor
Factory:Minneapolis, Minnesota, USA
Total built:25,824
Original price:$1700 (1954)
The Minneapolis-Moline RTU was the universal row-crop version of the R series tractors. It was also the most popular version. The R series were available with the Comfort Cab featuring upholstered seat, roll-down windows, and rear door.

Variants

Variants
RTU:tricycle-front
RTS:standard-front
RTN:single-front
RTE:adjustable-front
RTI:industrial tractor

Minneapolis-Moline RTU Power

Minneapolis-Moline RTU Power
Drawbar (claimed):20 hp
14.9 kW
 24 hp
17.9 kW (late)
Belt (claimed):23 hp
17.2 kW
Plows:2
Drawbar (tested):23.9 hp
17.8 kW
Belt (tested):27.09 hp
20.2 kW
power test details ...

Minneapolis-Moline RTU Engine

Minneapolis-Moline RTU Engine
Minneapolis-Moline 2.7L 4-cyl gasoline
Fuel tank:14 gal
53.0 L
Engine details ...

Mechanical

Mechanical
Chassis:4x2 2WD
Steering:manual
Brakes:disc
Cab:Open operator station.
Transmission:4-speed unsynchronized gear
Transmission details ...

Power Take-off (PTO)

Power Take-off (PTO)
Rear RPM:560

Dimensions & Tires

Dimensions & Tires
Wheelbase:76 inches
193 cm
Weight:3,100 lbs
1406 kg
Front tire:4.00-15
Rear tire:8-36
Full dimensions and tires ...

RTU Serial Numbers

RTU Serial Numbers
Location:Left side of tractor frame, near brake pedals.
photo of RTU serial number
1939:400001
1940:402201
1941:405576
1942:407951
1943:408826
1944:409358
1945:410748
1946:413755
1947:416545
1948:0014800001
1949:0014900001
1950:0015000001
1951:00102156
1952:00103973
1954:00104824

how to read serial numbers...

Links

Links
R production data:

Belt Pulley

Belt Pulley
Diameter:12.25 inches
31 cm
Width:6 inches
15 cm
RPM:933

Electrical

Electrical
Charging system:generator
Battery volts:6

Minneapolis-Moline RTN Power

Minneapolis-Moline RTN Power Drawbar (claimed):20 hp
14.9 kW
Belt (claimed):23 hp
17.2 kW
Plows:2
Drawbar (tested):23.9 hp
17.8 kW
Belt (tested):27.09 hp
20.2 kW
power test details ...

1939 - 1951

1939 - 1951
R Series
Row-Crop tractor

Nebraska Tractor Test 341

Nebraska Tractor Test 341

Nebraska Tractor Test 341

Nebraska Tractor Test 341
Gasoline 4-speed 2WD
April 29 - May 10, 1940
Link: Nebraska Tractor Test 341 file
Belt power (max):23.22 hp
17.3 kW
Belt fuel use (max):2.4 gal/hour
9.1 l/hour
Drawbar performance
Max power:20.01 hp
14.9 kW
Gear 3 used for power test.
Max pull:2,666 lbs
1209 kg
Gear 1 used for pull test.

Nebraska Tractor Test 468

Nebraska Tractor Test 468

Nebraska Tractor Test 468

Nebraska Tractor Test 468
Gasoline 4-speed 2WD
October 20 - November 1, 1951
Link: Nebraska Tractor Test 468 file
Belt power (max):27.09 hp
20.2 kW
Belt fuel use (max):2.9 gal/hour
11.0 l/hour
Drawbar performance
Max power:23.9 hp
17.8 kW
Gear 3 used for power test.
Max pull:2,801 lbs
1270 kg
Gear 1 used for pull test.

Minneapolis-Moline RTN Engine

Minneapolis-Moline RTN Engine Minneapolis-Moline 2.7L 4-cyl gasoline Fuel tank:14 gal
53.0 L
Engine details ...

1939 - 1951

1939 - 1951
R Series
Row-Crop tractor

Engine Detail

Engine Detail
Minneapolis-Moline
gasoline
4-cylinder
liquid-cooled
Displacement:165 ci
2.7 L
Bore/Stroke:3.625x4.00 inches
92 x 102 mm
Rated RPM:1500
Firing order:1-3-4-2
Starter volts:6
Oil capacity:7 qts
6.6 L
Coolant capacity:13.5 qts
12.8 L
Sparkplug gap:0.025 inches
0.635 mm
Point gap:0.020 inches
0.508 mm
Intake valve clearance:0.025 inches
0.635 mm hot
Exhaust valve clearance:0.014 inches
0.356 mm hot

Mechanical

Mechanical Chassis:4x2 2WD
Steering:manual
Cab:Open operator station.
Transmission:4-speed unsynchronized gear
Transmission details ...

1939 - 1951

1939 - 1951
R Series
Row-Crop tractor

Transmission

Transmission
Type:unsynchronized gear
Gears:4 forward and 1 reverse
Clutch:dry disc

Speeds

Speeds
With 10-34 rear tires.

Power Take-off (PTO)

Power Take-off (PTO) Rear RPM:560

Dimensions & Tires

Dimensions & Tires Wheelbase:76.325 inches
193 cm
Weight:3,100 lbs
1406 kg
Full dimensions and tires ...

1939 - 1951

1939 - 1951
R Series
Row-Crop tractor

Minneapolis-Moline RTN Tires

Minneapolis-Moline RTN Tires

Dimensions

Dimensions
Wheelbase:76.325 inches
193 cm
Length:115.75 inches
294 cm
Width:81.1 inches
205 cm
Height:69.5 inches
176 cm
Weight:3,100 lbs
1406 kg
Front tread:0 inches
0 cm
Rear tread:54 to 88 inches
137 to 223 cm

RTN Serial Numbers

RTN Serial Numbers 1939:400001
1940:402201
1941:405576
1942:407851
1943:408826
1944:409358
1945:410748
1946:413755
1947:416545
1948:0034800001
1949:0034900001
1950:0035000001
1951:00300094

how to read serial numbers...

Links

Links R production data:

Belt Pulley

Belt Pulley Diameter:12.25 inches
31 cm
Width:6 inches
15 cm
RPM:933

Electrical

Electrical Charging system:generator
Battery volts:6

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