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Engine:
Minneapolis-Moline Standard
Power:
25 HP (Engine) / HP (PTO)
Fuel Type:
Diesel
Production:
1939 - 1951
| Overview | |
|---|---|
| Summary | x1939 - 1951 R Series Row-Crop tractor |
| Production | |
|---|---|
| Manufacturer | Minneapolis-Moline |
| Summary | Row-Crop tractor / Built in Minneapolis, Minnesota, USA |
| Total built | 906 |
| Summary | The Minneapolis-Moline RTN was the single-front wheel version of the R series. |
| Variants | |
|---|---|
| RTU | tricycle-front |
| RTS | standard-front |
| RTN | single-front |
| RTE | adjustable-front |
| RTI | industrial tractor |
| Mechanical | |
|---|---|
| Summary | Two-wheel drive |
| Steering | manual |
| Summary | Open operator station. |
| Links | |
|---|---|
| Summary | R production data : |
| Belt Pulley | |
|---|---|
| Diameter | 12.25 inches 31 cm |
| Width | 6 inches 15 cm |
| RPM | 933 |
| Electrical | |
|---|---|
| Charging system | generator |
| Battery volts | 6 |
| References | |
|---|---|
| Summary | / Visionlined R Tractors published in 1949, by Minneapolis-Moline / Sales Manual published in 1952, by Minneapolis-Moline |
| Engine Detail | |
|---|---|
| Summary | 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 |
| Exhaust valve clearance | 0.014 inches 0.356 mm |
| Transmission | |
|---|---|
| Type | unsynchronized gear |
| Gears | 4 forward and 1 reverse |
| Clutch | dry disc |
| 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 |
| Tractor Tests |
| NTTL 341: gasoline 4-speed 2WD |
| NTTL 468: gasoline 4-speed 2WD |
| Nebraska Tractor Test 341 | |
|---|---|
| Summary | 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 |
| Summary | Drawbar performance |
| Max power | 20.01 hp 14.9 kW |
| Summary | Gear 3 used for power test. |
| Max pull | 2,666 lbs 1209 kg |
| Summary | Gear 1 used for pull test. |
| Nebraska Tractor Test 468 | |
|---|---|
| Summary | 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 |
| Summary | Drawbar performance |
| Max power | 23.9 hp 17.8 kW |
| Summary | Gear 3 used for power test. |
| Max pull | 2,801 lbs 1270 kg |
| Summary | Gear 1 used for pull test. |
Last Database Update: 12/7/2025